* Package:    sys-libs/libcxx-3.9.1
 * Repository: gentoo
 * Maintainer: aballier@gentoo.org bsd@gentoo.org,llvm@gentoo.org
 * USE:        abi_x86_32 abi_x86_64 amd64 elibc_glibc kernel_linux userland_GNU
 * FEATURES:   preserve-libs sandbox userpriv usersandbox
>>> Unpacking source...
>>> Unpacking libcxx-3.9.1.src.tar.xz to /var/tmp/portage/sys-libs/libcxx-3.9.1/work
>>> Source unpacked in /var/tmp/portage/sys-libs/libcxx-3.9.1/work
>>> Preparing source in /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src ...
 * Applying libcxx-3.9-cmake-link-flags.patch ...
 [ ok ]
 * Applying libcxx-3.9-cmake-static-lib.patch ...
 [ ok ]
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src ...
 * abi_x86_32.x86: running multilib-minimal_abi_src_configure
>>> Working in BUILD_DIR: "/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src-abi_x86_32.x86"
cmake -C /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src-abi_x86_32.x86/gentoo_common_config.cmake -G Ninja -DCMAKE_INSTALL_PREFIX=/usr -DLLVM_LIBDIR_SUFFIX=64 -DLIBCXX_LIBDIR_SUFFIX=32 -DLIBCXX_ENABLE_SHARED=ON -DLIBCXX_ENABLE_STATIC=no -DLIBCXX_CXX_ABI=libsupc++ -DLIBCXX_CXX_ABI_INCLUDE_PATHS=/usr/lib/gcc/i686-pc-linux-gnu/5.4.0/include/g++-v5;/usr/lib/gcc/i686-pc-linux-gnu/5.4.0/include/g++-v5/i686-pc-linux-gnu -DLIBCXX_ENABLE_ABI_LINKER_SCRIPT=OFF -DLIBCXX_HAS_MUSL_LIBC=no -DLIBCXX_HAS_GCC_S_LIB=ON -DLIBCXX_INCLUDE_TESTS=no -DCMAKE_SHARED_LINKER_FLAGS= -Wl,-O1 -Wl,--as-needed -DCMAKE_BUILD_TYPE=Gentoo -DCMAKE_USER_MAKE_RULES_OVERRIDE=/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src-abi_x86_32.x86/gentoo_rules.cmake -DCMAKE_TOOLCHAIN_FILE=/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src-abi_x86_32.x86/gentoo_toolchain.cmake  /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src
loading initial cache file /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src-abi_x86_32.x86/gentoo_common_config.cmake
-- Configuring for standalone build.
-- Found LLVM_CONFIG as /usr/bin/llvm-config
-- Found PythonInterp: /usr/bin/python (found version "2.7.12") 
-- Sphinx disabled.
-- The CXX compiler identification is GNU 5.4.0
-- The C compiler identification is GNU 5.4.0
-- Check for working CXX compiler: /usr/bin/x86_64-pc-linux-gnu-g++
-- Check for working CXX compiler: /usr/bin/x86_64-pc-linux-gnu-g++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Check for working C compiler: /usr/bin/x86_64-pc-linux-gnu-gcc
-- Check for working C compiler: /usr/bin/x86_64-pc-linux-gnu-gcc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Detecting C compile features
-- Detecting C compile features - done
-- Performing Test LIBCXX_HAVE_CXX_ATOMICS_WITHOUT_LIB
-- Performing Test LIBCXX_HAVE_CXX_ATOMICS_WITHOUT_LIB - Success
-- Looking for __atomic_fetch_add_8 in atomic
-- Looking for __atomic_fetch_add_8 in atomic - found
-- Performing Test LIBCXX_HAS_WX_FLAG
-- Performing Test LIBCXX_HAS_WX_FLAG - Failed
-- Performing Test LIBCXX_HAS_NO_WX_FLAG
-- Performing Test LIBCXX_HAS_NO_WX_FLAG - Failed
-- Performing Test LIBCXX_HAS_EHSC_FLAG
-- Performing Test LIBCXX_HAS_EHSC_FLAG - Failed
-- Performing Test LIBCXX_HAS_NO_EHS_FLAG
-- Performing Test LIBCXX_HAS_NO_EHS_FLAG - Failed
-- Performing Test LIBCXX_HAS_NO_EHA_FLAG
-- Performing Test LIBCXX_HAS_NO_EHA_FLAG - Failed
-- Performing Test LIBCXX_HAS_NO_GR_FLAG
-- Performing Test LIBCXX_HAS_NO_GR_FLAG - Failed
-- Looking for pthread_create in pthread
-- Looking for pthread_create in pthread - found
-- Looking for fopen in c
-- Looking for fopen in c - found
-- Looking for ccos in m
-- Looking for ccos in m - found
-- Looking for clock_gettime in rt
-- Looking for clock_gettime in rt - found
CMake Warning at cmake/Modules/HandleLibCXXABI.cmake:57 (message):
  Failed to find cxxabi.h
Call Stack (most recent call first):
  cmake/Modules/HandleLibCXXABI.cmake:81 (setup_abi_lib)
  CMakeLists.txt:290 (include)


CMake Warning at cmake/Modules/HandleLibCXXABI.cmake:57 (message):
  Failed to find bits/c++config.h
Call Stack (most recent call first):
  cmake/Modules/HandleLibCXXABI.cmake:81 (setup_abi_lib)
  CMakeLists.txt:290 (include)


CMake Warning at cmake/Modules/HandleLibCXXABI.cmake:57 (message):
  Failed to find bits/os_defines.h
Call Stack (most recent call first):
  cmake/Modules/HandleLibCXXABI.cmake:81 (setup_abi_lib)
  CMakeLists.txt:290 (include)


CMake Warning at cmake/Modules/HandleLibCXXABI.cmake:57 (message):
  Failed to find bits/cpu_defines.h
Call Stack (most recent call first):
  cmake/Modules/HandleLibCXXABI.cmake:81 (setup_abi_lib)
  CMakeLists.txt:290 (include)


CMake Warning at cmake/Modules/HandleLibCXXABI.cmake:57 (message):
  Failed to find bits/cxxabi_tweaks.h
Call Stack (most recent call first):
  cmake/Modules/HandleLibCXXABI.cmake:81 (setup_abi_lib)
  CMakeLists.txt:290 (include)


CMake Warning at cmake/Modules/HandleLibCXXABI.cmake:57 (message):
  Failed to find bits/cxxabi_forced.h
Call Stack (most recent call first):
  cmake/Modules/HandleLibCXXABI.cmake:81 (setup_abi_lib)
  CMakeLists.txt:290 (include)


-- Performing Test LIBCXX_SUPPORTS_STD_EQ_CXX11_FLAG
-- Performing Test LIBCXX_SUPPORTS_STD_EQ_CXX11_FLAG - Success
-- Performing Test LIBCXX_SUPPORTS_NOSTDINCXX_FLAG
-- Performing Test LIBCXX_SUPPORTS_NOSTDINCXX_FLAG - Success
-- Performing Test LIBCXX_SUPPORTS_WALL_FLAG
-- Performing Test LIBCXX_SUPPORTS_WALL_FLAG - Success
-- Performing Test LIBCXX_SUPPORTS_W_FLAG
-- Performing Test LIBCXX_SUPPORTS_W_FLAG - Success
-- Performing Test LIBCXX_SUPPORTS_WWRITE_STRINGS_FLAG
-- Performing Test LIBCXX_SUPPORTS_WWRITE_STRINGS_FLAG - Success
-- Performing Test LIBCXX_SUPPORTS_WNO_UNUSED_PARAMETER_FLAG
-- Performing Test LIBCXX_SUPPORTS_WNO_UNUSED_PARAMETER_FLAG - Success
-- Performing Test LIBCXX_SUPPORTS_WNO_LONG_LONG_FLAG
-- Performing Test LIBCXX_SUPPORTS_WNO_LONG_LONG_FLAG - Success
-- Performing Test LIBCXX_SUPPORTS_WNO_USER_DEFINED_LITERALS_FLAG
-- Performing Test LIBCXX_SUPPORTS_WNO_USER_DEFINED_LITERALS_FLAG - Success
-- Performing Test LIBCXX_SUPPORTS_WNO_COVERED_SWITCH_DEFAULT_FLAG
-- Performing Test LIBCXX_SUPPORTS_WNO_COVERED_SWITCH_DEFAULT_FLAG - Success
-- Performing Test LIBCXX_SUPPORTS_WERROR_EQ_RETURN_TYPE_FLAG
-- Performing Test LIBCXX_SUPPORTS_WERROR_EQ_RETURN_TYPE_FLAG - Success
-- Performing Test LIBCXX_SUPPORTS_WNO_ERROR_FLAG
-- Performing Test LIBCXX_SUPPORTS_WNO_ERROR_FLAG - Success
-- Performing Test LIBCXX_SUPPORTS_EHSC_FLAG
-- Performing Test LIBCXX_SUPPORTS_EHSC_FLAG - Failed
-- Performing Test LIBCXX_SUPPORTS_FPIC_FLAG
-- Performing Test LIBCXX_SUPPORTS_FPIC_FLAG - Success
-- Performing Test LIBCXX_SUPPORTS_NODEFAULTLIBS_FLAG
-- Performing Test LIBCXX_SUPPORTS_NODEFAULTLIBS_FLAG - Success
-- Performing Test LIBCXX_SUPPORTS_STD_EQ_CXX14_FLAG
-- Performing Test LIBCXX_SUPPORTS_STD_EQ_CXX14_FLAG - Success
-- <<< Gentoo configuration >>>
Build type      Gentoo
Install path    /usr
Compiler flags:
C               -march=corei7-avx -fomit-frame-pointer -O2 -pipe
C++             -march=corei7-avx -fomit-frame-pointer -O2 -pipe
Linker flags:
Executable      -Wl,-O1 -Wl,--as-needed
Module          -Wl,-O1 -Wl,--as-needed
Shared           -Wl,-O1 -Wl,--as-needed

-- Configuring done
-- Generating done
-- Build files have been written to: /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src-abi_x86_32.x86
 * abi_x86_64.amd64: running multilib-minimal_abi_src_configure
>>> Working in BUILD_DIR: "/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src-abi_x86_64.amd64"
cmake -C /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src-abi_x86_64.amd64/gentoo_common_config.cmake -G Ninja -DCMAKE_INSTALL_PREFIX=/usr -DLLVM_LIBDIR_SUFFIX=64 -DLIBCXX_LIBDIR_SUFFIX=64 -DLIBCXX_ENABLE_SHARED=ON -DLIBCXX_ENABLE_STATIC=no -DLIBCXX_CXX_ABI=libsupc++ -DLIBCXX_CXX_ABI_INCLUDE_PATHS=/usr/lib/gcc/x86_64-pc-linux-gnu/5.4.0/include/g++-v5;/usr/lib/gcc/x86_64-pc-linux-gnu/5.4.0/include/g++-v5/x86_64-pc-linux-gnu -DLIBCXX_ENABLE_ABI_LINKER_SCRIPT=OFF -DLIBCXX_HAS_MUSL_LIBC=no -DLIBCXX_HAS_GCC_S_LIB=ON -DLIBCXX_INCLUDE_TESTS=no -DCMAKE_SHARED_LINKER_FLAGS= -Wl,-O1 -Wl,--as-needed -DCMAKE_BUILD_TYPE=Gentoo -DCMAKE_USER_MAKE_RULES_OVERRIDE=/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src-abi_x86_64.amd64/gentoo_rules.cmake -DCMAKE_TOOLCHAIN_FILE=/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src-abi_x86_64.amd64/gentoo_toolchain.cmake  /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src
loading initial cache file /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src-abi_x86_64.amd64/gentoo_common_config.cmake
-- Configuring for standalone build.
-- Found LLVM_CONFIG as /usr/bin/llvm-config
-- Found PythonInterp: /usr/bin/python (found version "2.7.12") 
-- Sphinx disabled.
-- The CXX compiler identification is GNU 5.4.0
-- The C compiler identification is GNU 5.4.0
-- Check for working CXX compiler: /usr/bin/x86_64-pc-linux-gnu-g++
-- Check for working CXX compiler: /usr/bin/x86_64-pc-linux-gnu-g++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Check for working C compiler: /usr/bin/x86_64-pc-linux-gnu-gcc
-- Check for working C compiler: /usr/bin/x86_64-pc-linux-gnu-gcc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Detecting C compile features
-- Detecting C compile features - done
-- Performing Test LIBCXX_HAVE_CXX_ATOMICS_WITHOUT_LIB
-- Performing Test LIBCXX_HAVE_CXX_ATOMICS_WITHOUT_LIB - Success
-- Looking for __atomic_fetch_add_8 in atomic
-- Looking for __atomic_fetch_add_8 in atomic - found
-- Performing Test LIBCXX_HAS_WX_FLAG
-- Performing Test LIBCXX_HAS_WX_FLAG - Failed
-- Performing Test LIBCXX_HAS_NO_WX_FLAG
-- Performing Test LIBCXX_HAS_NO_WX_FLAG - Failed
-- Performing Test LIBCXX_HAS_EHSC_FLAG
-- Performing Test LIBCXX_HAS_EHSC_FLAG - Failed
-- Performing Test LIBCXX_HAS_NO_EHS_FLAG
-- Performing Test LIBCXX_HAS_NO_EHS_FLAG - Failed
-- Performing Test LIBCXX_HAS_NO_EHA_FLAG
-- Performing Test LIBCXX_HAS_NO_EHA_FLAG - Failed
-- Performing Test LIBCXX_HAS_NO_GR_FLAG
-- Performing Test LIBCXX_HAS_NO_GR_FLAG - Failed
-- Looking for pthread_create in pthread
-- Looking for pthread_create in pthread - found
-- Looking for fopen in c
-- Looking for fopen in c - found
-- Looking for ccos in m
-- Looking for ccos in m - found
-- Looking for clock_gettime in rt
-- Looking for clock_gettime in rt - found
-- Performing Test LIBCXX_SUPPORTS_STD_EQ_CXX11_FLAG
-- Performing Test LIBCXX_SUPPORTS_STD_EQ_CXX11_FLAG - Success
-- Performing Test LIBCXX_SUPPORTS_NOSTDINCXX_FLAG
-- Performing Test LIBCXX_SUPPORTS_NOSTDINCXX_FLAG - Success
-- Performing Test LIBCXX_SUPPORTS_WALL_FLAG
-- Performing Test LIBCXX_SUPPORTS_WALL_FLAG - Success
-- Performing Test LIBCXX_SUPPORTS_W_FLAG
-- Performing Test LIBCXX_SUPPORTS_W_FLAG - Success
-- Performing Test LIBCXX_SUPPORTS_WWRITE_STRINGS_FLAG
-- Performing Test LIBCXX_SUPPORTS_WWRITE_STRINGS_FLAG - Success
-- Performing Test LIBCXX_SUPPORTS_WNO_UNUSED_PARAMETER_FLAG
-- Performing Test LIBCXX_SUPPORTS_WNO_UNUSED_PARAMETER_FLAG - Success
-- Performing Test LIBCXX_SUPPORTS_WNO_LONG_LONG_FLAG
-- Performing Test LIBCXX_SUPPORTS_WNO_LONG_LONG_FLAG - Success
-- Performing Test LIBCXX_SUPPORTS_WNO_USER_DEFINED_LITERALS_FLAG
-- Performing Test LIBCXX_SUPPORTS_WNO_USER_DEFINED_LITERALS_FLAG - Success
-- Performing Test LIBCXX_SUPPORTS_WNO_COVERED_SWITCH_DEFAULT_FLAG
-- Performing Test LIBCXX_SUPPORTS_WNO_COVERED_SWITCH_DEFAULT_FLAG - Success
-- Performing Test LIBCXX_SUPPORTS_WERROR_EQ_RETURN_TYPE_FLAG
-- Performing Test LIBCXX_SUPPORTS_WERROR_EQ_RETURN_TYPE_FLAG - Success
-- Performing Test LIBCXX_SUPPORTS_WNO_ERROR_FLAG
-- Performing Test LIBCXX_SUPPORTS_WNO_ERROR_FLAG - Success
-- Performing Test LIBCXX_SUPPORTS_EHSC_FLAG
-- Performing Test LIBCXX_SUPPORTS_EHSC_FLAG - Failed
-- Performing Test LIBCXX_SUPPORTS_FPIC_FLAG
-- Performing Test LIBCXX_SUPPORTS_FPIC_FLAG - Success
-- Performing Test LIBCXX_SUPPORTS_NODEFAULTLIBS_FLAG
-- Performing Test LIBCXX_SUPPORTS_NODEFAULTLIBS_FLAG - Success
-- Performing Test LIBCXX_SUPPORTS_STD_EQ_CXX14_FLAG
-- Performing Test LIBCXX_SUPPORTS_STD_EQ_CXX14_FLAG - Success
-- <<< Gentoo configuration >>>
Build type      Gentoo
Install path    /usr
Compiler flags:
C               -march=corei7-avx -fomit-frame-pointer -O2 -pipe
C++             -march=corei7-avx -fomit-frame-pointer -O2 -pipe
Linker flags:
Executable      -Wl,-O1 -Wl,--as-needed
Module          -Wl,-O1 -Wl,--as-needed
Shared           -Wl,-O1 -Wl,--as-needed

-- Configuring done
-- Generating done
-- Build files have been written to: /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src-abi_x86_64.amd64
>>> Source configured.
>>> Compiling source in /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src ...
 * abi_x86_32.x86: running multilib-minimal_abi_src_compile
>>> Working in BUILD_DIR: "/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src-abi_x86_32.x86"
ninja -v -j1 -l0
[1/34] /usr/bin/x86_64-pc-linux-gnu-g++ -m32 -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/algorithm.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/algorithm.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/algorithm.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/algorithm.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/memory:601:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/algorithm:634,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/algorithm.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/cmath:305:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/random:1638,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/algorithm.cpp:11:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/math.h: In function 'float abs(float)':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/math.h:646:1: warning: 'float abs(float)': visibility attribute ignored because it conflicts with previous declaration [-Wattributes]
 abs(float __lcpp_x) _NOEXCEPT {return fabsf(__lcpp_x);}
 ^
<built-in>: note: previous declaration of 'float abs(float)'
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:18,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ios:216,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ostream:138,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/istream:163,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/random:1646,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/algorithm.cpp:11:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error: At global scope:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:345:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:18,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ios:216,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ostream:138,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/istream:163,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/random:1646,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/algorithm.cpp:11:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:289:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ostream:138:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/istream:163,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/random:1646,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/algorithm.cpp:11:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ios:392:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/algorithm:629:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/algorithm.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2635:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<char, false>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2636:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<char, true>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2637:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<wchar_t, false>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2638:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<wchar_t, true>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[2/34] /usr/bin/x86_64-pc-linux-gnu-g++ -m32 -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/any.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/any.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/any.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/any.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/memory:601:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/any:80,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/any.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
At global scope:
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[3/34] /usr/bin/x86_64-pc-linux-gnu-g++ -m32 -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/bind.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/bind.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/bind.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/bind.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/functional:477:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/bind.cpp:11:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
At global scope:
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[4/34] /usr/bin/x86_64-pc-linux-gnu-g++ -m32 -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/chrono.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/chrono.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/chrono.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/chrono.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__functional_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:225,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/chrono.cpp:12:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/chrono.cpp:12:0:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error: At global scope:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:345:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[5/34] /usr/bin/x86_64-pc-linux-gnu-g++ -m32 -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/condition_variable.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/condition_variable.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/condition_variable.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/condition_variable.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__functional_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:225,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:16,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/condition_variable:111,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/condition_variable.cpp:14:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/condition_variable:111,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/condition_variable.cpp:14:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error: At global scope:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:345:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/condition_variable:111:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/condition_variable.cpp:14:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:289:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[6/34] /usr/bin/x86_64-pc-linux-gnu-g++ -m32 -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/debug.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/debug.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/debug.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/debug.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/functional:477:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/debug.cpp:13:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/debug.cpp:16:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error: At global scope:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:345:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/debug.cpp:16:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:289:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[7/34] /usr/bin/x86_64-pc-linux-gnu-g++ -m32 -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/exception.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/exception.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/exception.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/exception.cpp
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/exception.cpp: In function 'void std::rethrow_exception(std::exception_ptr)':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/exception.cpp:298:74: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
     rethrow_exception(reinterpret_cast<__exception_ptr::exception_ptr&>(p));
                                                                          ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/exception.cpp:298:75: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
     rethrow_exception(reinterpret_cast<__exception_ptr::exception_ptr&>(p));
                                                                           ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/exception.cpp:179:23: note:   initializing argument 1 of 'void std::rethrow_exception(std::__exception_ptr::exception_ptr)'
 _LIBCPP_NORETURN void rethrow_exception(__exception_ptr::exception_ptr);
                       ^
At global scope:
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[8/34] /usr/bin/x86_64-pc-linux-gnu-g++ -m32 -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/future.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/future.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/future.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/future.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__functional_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:225,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/future:366,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/future.cpp:14:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/future:366:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/future.cpp:14:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error: At global scope:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:345:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/future:370,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/future.cpp:14:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:289:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/future.cpp:14:0:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/future:390:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/future:407:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/future:482:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[9/34] /usr/bin/x86_64-pc-linux-gnu-g++ -m32 -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/hash.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/hash.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/hash.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/hash.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/memory:601:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__hash_table:16,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/hash.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/cmath:305:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__hash_table:19,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/hash.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/math.h: In function 'float abs(float)':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/math.h:646:1: warning: 'float abs(float)': visibility attribute ignored because it conflicts with previous declaration [-Wattributes]
 abs(float __lcpp_x) _NOEXCEPT {return fabsf(__lcpp_x);}
 ^
<built-in>: note: previous declaration of 'float abs(float)'
At global scope:
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[10/34] /usr/bin/x86_64-pc-linux-gnu-g++ -m32 -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/ios.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/ios.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/ios.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/ios.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/memory:601:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/algorithm:634,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:442,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:15,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ios:216,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/ios.cpp:12:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:18,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ios:216,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/ios.cpp:12:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error: At global scope:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:345:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:18,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ios:216,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/ios.cpp:12:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:289:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/ios.cpp:12:0:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ios:392:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/ios.cpp:10:0:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2635:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<char, false>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2636:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<char, true>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2637:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<wchar_t, false>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2638:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<wchar_t, true>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[11/34] /usr/bin/x86_64-pc-linux-gnu-g++ -m32 -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/iostream.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/iostream.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/iostream.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/iostream.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/memory:601:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/algorithm:634,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:442,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:15,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ios:216,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ostream:138,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__std_stream:15,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/iostream.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:18,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ios:216,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ostream:138,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__std_stream:15,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/iostream.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error: At global scope:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:345:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:18,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ios:216,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ostream:138,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__std_stream:15,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/iostream.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:289:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ostream:138:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__std_stream:15,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/iostream.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ios:392:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__std_stream:14:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/iostream.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2635:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<char, false>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2636:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<char, true>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2637:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<wchar_t, false>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2638:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<wchar_t, true>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[12/34] /usr/bin/x86_64-pc-linux-gnu-g++ -m32 -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/locale.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/locale.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/locale.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/locale.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/memory:601:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/algorithm:634,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:442,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/locale.cpp:16:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:18,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:182,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/locale.cpp:17:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error: At global scope:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:345:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:18,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:182,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/locale.cpp:17:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:289:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:186:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/locale.cpp:17:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ios:392:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:437:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/locale.cpp:16:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2635:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<char, false>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2636:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<char, true>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2637:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<wchar_t, false>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2638:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<wchar_t, true>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[13/34] /usr/bin/x86_64-pc-linux-gnu-g++ -m32 -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/memory.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/memory.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/memory.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/memory.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/memory:601:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/memory.cpp:11:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/memory.cpp:13:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error: At global scope:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:345:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/memory.cpp:13:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:289:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[14/34] /usr/bin/x86_64-pc-linux-gnu-g++ -m32 -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/mutex.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/mutex.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/mutex.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/mutex.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__functional_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:225,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:16,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/mutex.cpp:11:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/mutex.cpp:11:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error: At global scope:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:345:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/mutex.cpp:11:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:289:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[15/34] /usr/bin/x86_64-pc-linux-gnu-g++ -m32 -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/new.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/new.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/new.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/new.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/new.cpp:14:0:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/new:141:30: warning: 'void operator delete(void*, size_t)' is a usual (non-placement) deallocation function in C++14 (or with -fsized-deallocation) [-Wc++14-compat]
 _LIBCPP_NEW_DELETE_VIS void  operator delete(void* __p, std::size_t __sz) _NOEXCEPT;
                              ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/new:154:30: warning: 'void operator delete [](void*, size_t)' is a usual (non-placement) deallocation function in C++14 (or with -fsized-deallocation) [-Wc++14-compat]
 _LIBCPP_NEW_DELETE_VIS void  operator delete[](void* __p, std::size_t __sz) _NOEXCEPT;
                              ^
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[16/34] /usr/bin/x86_64-pc-linux-gnu-g++ -m32 -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/optional.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/optional.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/optional.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/optional.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/functional:477:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/optional:144,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/optional.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
At global scope:
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[17/34] /usr/bin/x86_64-pc-linux-gnu-g++ -m32 -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/random.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/random.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/random.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/random.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/cmath:305:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/random:1638,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/random.cpp:15:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/math.h: In function 'float abs(float)':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/math.h:646:1: warning: 'float abs(float)': visibility attribute ignored because it conflicts with previous declaration [-Wattributes]
 abs(float __lcpp_x) _NOEXCEPT {return fabsf(__lcpp_x);}
 ^
<built-in>: note: previous declaration of 'float abs(float)'
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/memory:601:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/algorithm:634,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/random:1642,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/random.cpp:15:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:18,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ios:216,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ostream:138,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/istream:163,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/random:1646,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/random.cpp:15:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error: At global scope:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:345:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:18,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ios:216,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ostream:138,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/istream:163,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/random:1646,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/random.cpp:15:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:289:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ostream:138:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/istream:163,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/random:1646,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/random.cpp:15:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ios:392:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/random:1635:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/random.cpp:15:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2635:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<char, false>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2636:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<char, true>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2637:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<wchar_t, false>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2638:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<wchar_t, true>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[18/34] /usr/bin/x86_64-pc-linux-gnu-g++ -m32 -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/regex.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/regex.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/regex.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/regex.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/memory:601:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/algorithm:634,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:442,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:15,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/regex:757,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/regex.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:18,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/regex:757,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/regex.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error: At global scope:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:345:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:18,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/regex:757,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/regex.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:289:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[19/34] /usr/bin/x86_64-pc-linux-gnu-g++ -m32 -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/shared_mutex.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/shared_mutex.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/shared_mutex.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/shared_mutex.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__functional_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:225,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:16,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/shared_mutex:130,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/shared_mutex.cpp:14:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/shared_mutex:130,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/shared_mutex.cpp:14:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error: At global scope:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:345:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/shared_mutex:130:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/shared_mutex.cpp:14:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:289:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[20/34] /usr/bin/x86_64-pc-linux-gnu-g++ -m32 -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/stdexcept.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/stdexcept.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/stdexcept.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/stdexcept.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/memory:601:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/algorithm:634,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:442,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/stdexcept.cpp:13:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/stdexcept.cpp:14:0:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error: At global scope:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:345:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[21/34] /usr/bin/x86_64-pc-linux-gnu-g++ -m32 -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/string.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/string.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/string.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/string.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/memory:601:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/algorithm:634,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:442,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/string.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
At global scope:
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[22/34] /usr/bin/x86_64-pc-linux-gnu-g++ -m32 -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/strstream.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/strstream.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/strstream.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/strstream.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/memory:601:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/algorithm:634,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:442,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:15,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ios:216,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ostream:138,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/strstream:131,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/strstream.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:18,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ios:216,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ostream:138,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/strstream:131,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/strstream.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error: At global scope:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:345:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:18,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ios:216,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ostream:138,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/strstream:131,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/strstream.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:289:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ostream:138:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/strstream:131,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/strstream.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ios:392:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/strstream:130:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/strstream.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2635:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<char, false>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2636:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<char, true>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2637:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<wchar_t, false>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2638:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<wchar_t, true>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/strstream.cpp: In member function 'virtual std::__1::basic_streambuf<char>::pos_type std::__1::strstreambuf::seekoff(std::__1::basic_streambuf<char>::off_type, std::__1::ios_base::seekdir, std::__1::ios_base::openmode)':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/strstream.cpp:270:24: warning: 'newoff' may be used uninitialized in this function [-Wmaybe-uninitialized]
         newoff += __off;
                        ^
At global scope:
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[23/34] /usr/bin/x86_64-pc-linux-gnu-g++ -m32 -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/system_error.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/system_error.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/system_error.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/system_error.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__functional_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:225,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/system_error.cpp:13:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/system_error.cpp:13:0:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error: At global scope:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:345:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[24/34] /usr/bin/x86_64-pc-linux-gnu-g++ -m32 -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/thread.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/thread.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/thread.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/thread.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__functional_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/thread:90,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/thread.cpp:13:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/thread:95:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/thread.cpp:13:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error: At global scope:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:345:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/thread:97:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/thread.cpp:13:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:289:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/thread.cpp:16:0:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/future:390:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/future:407:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/future:482:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[25/34] /usr/bin/x86_64-pc-linux-gnu-g++ -m32 -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/typeinfo.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/typeinfo.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/typeinfo.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/typeinfo.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/typeinfo.cpp:16:0:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
At global scope:
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[26/34] /usr/bin/x86_64-pc-linux-gnu-g++ -m32 -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/utility.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/utility.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/utility.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/utility.cpp
[27/34] /usr/bin/x86_64-pc-linux-gnu-g++ -m32 -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/valarray.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/valarray.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/valarray.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/valarray.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/cmath:305:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/valarray:344,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/valarray.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/math.h: In function 'float abs(float)':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/math.h:646:1: warning: 'float abs(float)': visibility attribute ignored because it conflicts with previous declaration [-Wattributes]
 abs(float __lcpp_x) _NOEXCEPT {return fabsf(__lcpp_x);}
 ^
<built-in>: note: previous declaration of 'float abs(float)'
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/memory:601:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/algorithm:634,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/valarray:346,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/valarray.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
At global scope:
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[28/34] : && /usr/bin/x86_64-pc-linux-gnu-g++ -m32 -fPIC -march=corei7-avx -fomit-frame-pointer -O2 -pipe  -Wl,-O1 -Wl,--as-needed  -fPIC -nodefaultlibs -shared -Wl,-soname,libc++.so.1 -o lib32/libc++.so.1.0 lib/CMakeFiles/cxx_objects.dir/__/src/algorithm.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/any.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/bind.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/chrono.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/condition_variable.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/debug.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/exception.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/future.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/hash.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/ios.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/iostream.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/locale.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/memory.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/mutex.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/new.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/optional.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/random.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/regex.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/shared_mutex.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/stdexcept.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/string.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/strstream.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/system_error.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/thread.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/typeinfo.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/utility.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/valarray.cpp.o  -lsupc++ -lpthread -lc -lm -lrt -lgcc_s && :
[29/34] /usr/bin/cmake -E cmake_symlink_library lib32/libc++.so.1.0  lib32/libc++.so.1 lib32/libc++.so && :
[30/34] /usr/bin/x86_64-pc-linux-gnu-g++ -m32 -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++14 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_experimental.dir/__/src/experimental/filesystem/directory_iterator.cpp.o -MF lib/CMakeFiles/cxx_experimental.dir/__/src/experimental/filesystem/directory_iterator.cpp.o.d -o lib/CMakeFiles/cxx_experimental.dir/__/src/experimental/filesystem/directory_iterator.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/directory_iterator.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:221:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/directory_iterator.cpp:1:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1087:40: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::hours operator"" h(unsigned long long __h)
                                        ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1092:71: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::duration<long double, ratio<3600,1>> operator"" h(long double __h)
                                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1098:42: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::minutes operator"" min(unsigned long long __m)
                                          ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1103:69: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::duration<long double, ratio<60,1>> operator"" min(long double __m)
                                                                     ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1109:42: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::seconds operator"" s(unsigned long long __s)
                                          ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1114:56: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::duration<long double> operator"" s(long double __s)
                                                        ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1120:47: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::milliseconds operator"" ms(unsigned long long __ms)
                                               ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1125:63: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::duration<long double, milli> operator"" ms(long double __ms)
                                                               ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1131:47: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::microseconds operator"" us(unsigned long long __us)
                                               ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1136:63: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::duration<long double, micro> operator"" us(long double __us)
                                                               ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1142:46: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::nanoseconds operator"" ns(unsigned long long __ns)
                                              ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1147:62: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::duration<long double, nano> operator"" ns(long double __ns)
                                                              ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__functional_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/iterator:412,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:222,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/directory_iterator.cpp:1:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:15:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:182,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:224,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/directory_iterator.cpp:1:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string: At global scope:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:4284:36: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     basic_string<char> operator "" s( const char *__str, size_t __len )
                                    ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:4290:39: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     basic_string<wchar_t> operator "" s( const wchar_t *__str, size_t __len )
                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:4296:40: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     basic_string<char16_t> operator "" s( const char16_t *__str, size_t __len )
                                        ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:4302:40: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     basic_string<char32_t> operator "" s( const char32_t *__str, size_t __len )
                                        ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/__config:14:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:219,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/directory_iterator.cpp:1:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:4310:48: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_TYPE_VIS basic_string<char>)
                                                ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:727:54: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE'
 #define _LIBCPP_EXTERN_TEMPLATE(...) extern template __VA_ARGS__;
                                                      ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:4311:48: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_TYPE_VIS basic_string<wchar_t>)
                                                ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:727:54: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE'
 #define _LIBCPP_EXTERN_TEMPLATE(...) extern template __VA_ARGS__;
                                                      ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:18,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:182,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:224,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/directory_iterator.cpp:1:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:345:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:18,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:182,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:224,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/directory_iterator.cpp:1:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:289:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:186:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:224,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/directory_iterator.cpp:1:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ios:392:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/__config:14:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:219,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/directory_iterator.cpp:1:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2635:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<char, false>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2636:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<char, true>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2637:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<wchar_t, false>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2638:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<wchar_t, true>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/directory_iterator.cpp:1:0:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:264:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:296:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:339:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[31/34] /usr/bin/x86_64-pc-linux-gnu-g++ -m32 -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++14 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_experimental.dir/__/src/experimental/memory_resource.cpp.o -MF lib/CMakeFiles/cxx_experimental.dir/__/src/experimental/memory_resource.cpp.o.d -o lib/CMakeFiles/cxx_experimental.dir/__/src/experimental/memory_resource.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/memory_resource.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__functional_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/__memory:16,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/memory_resource:69,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/memory_resource.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
At global scope:
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[32/34] /usr/bin/x86_64-pc-linux-gnu-g++ -m32 -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++14 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_experimental.dir/__/src/experimental/filesystem/operations.cpp.o -MF lib/CMakeFiles/cxx_experimental.dir/__/src/experimental/filesystem/operations.cpp.o.d -o lib/CMakeFiles/cxx_experimental.dir/__/src/experimental/filesystem/operations.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/operations.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:221:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/operations.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1087:40: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::hours operator"" h(unsigned long long __h)
                                        ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1092:71: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::duration<long double, ratio<3600,1>> operator"" h(long double __h)
                                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1098:42: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::minutes operator"" min(unsigned long long __m)
                                          ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1103:69: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::duration<long double, ratio<60,1>> operator"" min(long double __m)
                                                                     ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1109:42: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::seconds operator"" s(unsigned long long __s)
                                          ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1114:56: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::duration<long double> operator"" s(long double __s)
                                                        ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1120:47: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::milliseconds operator"" ms(unsigned long long __ms)
                                               ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1125:63: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::duration<long double, milli> operator"" ms(long double __ms)
                                                               ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1131:47: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::microseconds operator"" us(unsigned long long __us)
                                               ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1136:63: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::duration<long double, micro> operator"" us(long double __us)
                                                               ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1142:46: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::nanoseconds operator"" ns(unsigned long long __ns)
                                              ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1147:62: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::duration<long double, nano> operator"" ns(long double __ns)
                                                              ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__functional_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/iterator:412,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:222,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/operations.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:15:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:182,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:224,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/operations.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string: At global scope:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:4284:36: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     basic_string<char> operator "" s( const char *__str, size_t __len )
                                    ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:4290:39: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     basic_string<wchar_t> operator "" s( const wchar_t *__str, size_t __len )
                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:4296:40: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     basic_string<char16_t> operator "" s( const char16_t *__str, size_t __len )
                                        ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:4302:40: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     basic_string<char32_t> operator "" s( const char32_t *__str, size_t __len )
                                        ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/__config:14:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:219,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/operations.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:4310:48: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_TYPE_VIS basic_string<char>)
                                                ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:727:54: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE'
 #define _LIBCPP_EXTERN_TEMPLATE(...) extern template __VA_ARGS__;
                                                      ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:4311:48: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_TYPE_VIS basic_string<wchar_t>)
                                                ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:727:54: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE'
 #define _LIBCPP_EXTERN_TEMPLATE(...) extern template __VA_ARGS__;
                                                      ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:18,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:182,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:224,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/operations.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:345:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:18,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:182,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:224,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/operations.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:289:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:186:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:224,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/operations.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ios:392:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/__config:14:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:219,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/operations.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2635:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<char, false>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2636:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<char, true>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2637:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<wchar_t, false>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2638:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<wchar_t, true>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/operations.cpp:10:0:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:264:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:296:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:339:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[33/34] /usr/bin/x86_64-pc-linux-gnu-g++ -m32 -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++14 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_experimental.dir/__/src/experimental/filesystem/path.cpp.o -MF lib/CMakeFiles/cxx_experimental.dir/__/src/experimental/filesystem/path.cpp.o.d -o lib/CMakeFiles/cxx_experimental.dir/__/src/experimental/filesystem/path.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/path.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:221:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/path.cpp:9:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1087:40: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::hours operator"" h(unsigned long long __h)
                                        ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1092:71: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::duration<long double, ratio<3600,1>> operator"" h(long double __h)
                                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1098:42: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::minutes operator"" min(unsigned long long __m)
                                          ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1103:69: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::duration<long double, ratio<60,1>> operator"" min(long double __m)
                                                                     ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1109:42: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::seconds operator"" s(unsigned long long __s)
                                          ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1114:56: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::duration<long double> operator"" s(long double __s)
                                                        ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1120:47: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::milliseconds operator"" ms(unsigned long long __ms)
                                               ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1125:63: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::duration<long double, milli> operator"" ms(long double __ms)
                                                               ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1131:47: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::microseconds operator"" us(unsigned long long __us)
                                               ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1136:63: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::duration<long double, micro> operator"" us(long double __us)
                                                               ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1142:46: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::nanoseconds operator"" ns(unsigned long long __ns)
                                              ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1147:62: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::duration<long double, nano> operator"" ns(long double __ns)
                                                              ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__functional_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/iterator:412,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:222,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/path.cpp:9:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:15:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:182,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:224,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/path.cpp:9:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string: At global scope:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:4284:36: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     basic_string<char> operator "" s( const char *__str, size_t __len )
                                    ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:4290:39: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     basic_string<wchar_t> operator "" s( const wchar_t *__str, size_t __len )
                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:4296:40: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     basic_string<char16_t> operator "" s( const char16_t *__str, size_t __len )
                                        ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:4302:40: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     basic_string<char32_t> operator "" s( const char32_t *__str, size_t __len )
                                        ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/__config:14:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:219,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/path.cpp:9:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:4310:48: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_TYPE_VIS basic_string<char>)
                                                ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:727:54: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE'
 #define _LIBCPP_EXTERN_TEMPLATE(...) extern template __VA_ARGS__;
                                                      ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:4311:48: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_TYPE_VIS basic_string<wchar_t>)
                                                ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:727:54: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE'
 #define _LIBCPP_EXTERN_TEMPLATE(...) extern template __VA_ARGS__;
                                                      ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:18,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:182,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:224,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/path.cpp:9:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:345:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:18,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:182,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:224,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/path.cpp:9:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:289:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:186:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:224,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/path.cpp:9:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ios:392:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/__config:14:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:219,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/path.cpp:9:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2635:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<char, false>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2636:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<char, true>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2637:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<wchar_t, false>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2638:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<wchar_t, true>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/path.cpp:9:0:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:264:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:296:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:339:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:15:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:182,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:224,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/path.cpp:9:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:1139:34: warning: always_inline function might not be inlinable [-Wattributes]
 size_t _LIBCPP_INLINE_VISIBILITY __do_string_hash(_Ptr __p, _Ptr __e)
                                  ^
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[34/34] : && /usr/bin/cmake -E remove lib32/libc++experimental.a && /usr/bin/ar qc lib32/libc++experimental.a  lib/CMakeFiles/cxx_experimental.dir/__/src/experimental/memory_resource.cpp.o lib/CMakeFiles/cxx_experimental.dir/__/src/experimental/filesystem/directory_iterator.cpp.o lib/CMakeFiles/cxx_experimental.dir/__/src/experimental/filesystem/operations.cpp.o lib/CMakeFiles/cxx_experimental.dir/__/src/experimental/filesystem/path.cpp.o && /usr/bin/ranlib lib32/libc++experimental.a && :
 * abi_x86_64.amd64: running multilib-minimal_abi_src_compile
>>> Working in BUILD_DIR: "/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src-abi_x86_64.amd64"
ninja -v -j1 -l0
[1/34] /usr/bin/x86_64-pc-linux-gnu-g++  -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/algorithm.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/algorithm.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/algorithm.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/algorithm.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/memory:601:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/algorithm:634,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/algorithm.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/cmath:305:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/random:1638,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/algorithm.cpp:11:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/math.h: In function 'float abs(float)':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/math.h:646:1: warning: 'float abs(float)': visibility attribute ignored because it conflicts with previous declaration [-Wattributes]
 abs(float __lcpp_x) _NOEXCEPT {return fabsf(__lcpp_x);}
 ^
<built-in>: note: previous declaration of 'float abs(float)'
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:18,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ios:216,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ostream:138,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/istream:163,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/random:1646,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/algorithm.cpp:11:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error: At global scope:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:345:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:18,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ios:216,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ostream:138,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/istream:163,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/random:1646,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/algorithm.cpp:11:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:289:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ostream:138:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/istream:163,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/random:1646,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/algorithm.cpp:11:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ios:392:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/algorithm:629:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/algorithm.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2635:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<char, false>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2636:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<char, true>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2637:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<wchar_t, false>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2638:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<wchar_t, true>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[2/34] /usr/bin/x86_64-pc-linux-gnu-g++  -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/any.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/any.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/any.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/any.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/memory:601:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/any:80,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/any.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
At global scope:
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[3/34] /usr/bin/x86_64-pc-linux-gnu-g++  -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/bind.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/bind.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/bind.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/bind.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/functional:477:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/bind.cpp:11:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
At global scope:
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[4/34] /usr/bin/x86_64-pc-linux-gnu-g++  -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/chrono.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/chrono.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/chrono.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/chrono.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__functional_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:225,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/chrono.cpp:12:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/chrono.cpp:12:0:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error: At global scope:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:345:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[5/34] /usr/bin/x86_64-pc-linux-gnu-g++  -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/condition_variable.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/condition_variable.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/condition_variable.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/condition_variable.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__functional_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:225,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:16,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/condition_variable:111,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/condition_variable.cpp:14:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/condition_variable:111,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/condition_variable.cpp:14:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error: At global scope:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:345:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/condition_variable:111:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/condition_variable.cpp:14:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:289:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[6/34] /usr/bin/x86_64-pc-linux-gnu-g++  -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/debug.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/debug.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/debug.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/debug.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/functional:477:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/debug.cpp:13:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/debug.cpp:16:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error: At global scope:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:345:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/debug.cpp:16:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:289:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[7/34] /usr/bin/x86_64-pc-linux-gnu-g++  -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/exception.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/exception.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/exception.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/exception.cpp
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/exception.cpp: In function 'void std::rethrow_exception(std::exception_ptr)':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/exception.cpp:298:74: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
     rethrow_exception(reinterpret_cast<__exception_ptr::exception_ptr&>(p));
                                                                          ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/exception.cpp:298:75: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
     rethrow_exception(reinterpret_cast<__exception_ptr::exception_ptr&>(p));
                                                                           ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/exception.cpp:179:23: note:   initializing argument 1 of 'void std::rethrow_exception(std::__exception_ptr::exception_ptr)'
 _LIBCPP_NORETURN void rethrow_exception(__exception_ptr::exception_ptr);
                       ^
At global scope:
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[8/34] /usr/bin/x86_64-pc-linux-gnu-g++  -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/future.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/future.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/future.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/future.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__functional_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:225,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/future:366,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/future.cpp:14:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/future:366:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/future.cpp:14:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error: At global scope:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:345:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/future:370,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/future.cpp:14:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:289:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/future.cpp:14:0:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/future:390:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/future:407:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/future:482:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[9/34] /usr/bin/x86_64-pc-linux-gnu-g++  -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/hash.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/hash.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/hash.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/hash.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/memory:601:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__hash_table:16,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/hash.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/cmath:305:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__hash_table:19,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/hash.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/math.h: In function 'float abs(float)':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/math.h:646:1: warning: 'float abs(float)': visibility attribute ignored because it conflicts with previous declaration [-Wattributes]
 abs(float __lcpp_x) _NOEXCEPT {return fabsf(__lcpp_x);}
 ^
<built-in>: note: previous declaration of 'float abs(float)'
At global scope:
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[10/34] /usr/bin/x86_64-pc-linux-gnu-g++  -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/ios.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/ios.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/ios.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/ios.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/memory:601:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/algorithm:634,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:442,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:15,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ios:216,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/ios.cpp:12:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:18,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ios:216,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/ios.cpp:12:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error: At global scope:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:345:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:18,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ios:216,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/ios.cpp:12:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:289:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/ios.cpp:12:0:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ios:392:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/ios.cpp:10:0:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2635:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<char, false>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2636:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<char, true>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2637:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<wchar_t, false>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2638:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<wchar_t, true>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[11/34] /usr/bin/x86_64-pc-linux-gnu-g++  -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/iostream.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/iostream.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/iostream.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/iostream.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/memory:601:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/algorithm:634,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:442,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:15,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ios:216,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ostream:138,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__std_stream:15,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/iostream.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:18,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ios:216,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ostream:138,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__std_stream:15,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/iostream.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error: At global scope:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:345:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:18,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ios:216,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ostream:138,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__std_stream:15,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/iostream.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:289:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ostream:138:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__std_stream:15,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/iostream.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ios:392:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__std_stream:14:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/iostream.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2635:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<char, false>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2636:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<char, true>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2637:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<wchar_t, false>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2638:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<wchar_t, true>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[12/34] /usr/bin/x86_64-pc-linux-gnu-g++  -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/locale.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/locale.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/locale.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/locale.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/memory:601:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/algorithm:634,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:442,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/locale.cpp:16:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:18,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:182,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/locale.cpp:17:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error: At global scope:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:345:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:18,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:182,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/locale.cpp:17:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:289:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:186:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/locale.cpp:17:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ios:392:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:437:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/locale.cpp:16:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2635:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<char, false>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2636:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<char, true>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2637:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<wchar_t, false>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2638:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<wchar_t, true>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[13/34] /usr/bin/x86_64-pc-linux-gnu-g++  -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/memory.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/memory.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/memory.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/memory.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/memory:601:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/memory.cpp:11:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/memory.cpp:13:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error: At global scope:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:345:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/memory.cpp:13:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:289:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[14/34] /usr/bin/x86_64-pc-linux-gnu-g++  -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/mutex.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/mutex.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/mutex.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/mutex.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__functional_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:225,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:16,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/mutex.cpp:11:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/mutex.cpp:11:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error: At global scope:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:345:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/mutex.cpp:11:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:289:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[15/34] /usr/bin/x86_64-pc-linux-gnu-g++  -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/new.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/new.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/new.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/new.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/new.cpp:14:0:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/new:141:30: warning: 'void operator delete(void*, size_t)' is a usual (non-placement) deallocation function in C++14 (or with -fsized-deallocation) [-Wc++14-compat]
 _LIBCPP_NEW_DELETE_VIS void  operator delete(void* __p, std::size_t __sz) _NOEXCEPT;
                              ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/new:154:30: warning: 'void operator delete [](void*, size_t)' is a usual (non-placement) deallocation function in C++14 (or with -fsized-deallocation) [-Wc++14-compat]
 _LIBCPP_NEW_DELETE_VIS void  operator delete[](void* __p, std::size_t __sz) _NOEXCEPT;
                              ^
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[16/34] /usr/bin/x86_64-pc-linux-gnu-g++  -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/optional.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/optional.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/optional.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/optional.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/functional:477:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/optional:144,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/optional.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
At global scope:
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[17/34] /usr/bin/x86_64-pc-linux-gnu-g++  -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/random.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/random.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/random.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/random.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/cmath:305:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/random:1638,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/random.cpp:15:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/math.h: In function 'float abs(float)':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/math.h:646:1: warning: 'float abs(float)': visibility attribute ignored because it conflicts with previous declaration [-Wattributes]
 abs(float __lcpp_x) _NOEXCEPT {return fabsf(__lcpp_x);}
 ^
<built-in>: note: previous declaration of 'float abs(float)'
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/memory:601:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/algorithm:634,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/random:1642,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/random.cpp:15:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:18,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ios:216,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ostream:138,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/istream:163,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/random:1646,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/random.cpp:15:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error: At global scope:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:345:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:18,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ios:216,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ostream:138,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/istream:163,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/random:1646,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/random.cpp:15:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:289:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ostream:138:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/istream:163,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/random:1646,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/random.cpp:15:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ios:392:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/random:1635:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/random.cpp:15:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2635:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<char, false>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2636:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<char, true>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2637:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<wchar_t, false>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2638:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<wchar_t, true>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[18/34] /usr/bin/x86_64-pc-linux-gnu-g++  -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/regex.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/regex.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/regex.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/regex.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/memory:601:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/algorithm:634,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:442,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:15,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/regex:757,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/regex.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:18,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/regex:757,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/regex.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error: At global scope:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:345:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:18,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/regex:757,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/regex.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:289:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[19/34] /usr/bin/x86_64-pc-linux-gnu-g++  -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/shared_mutex.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/shared_mutex.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/shared_mutex.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/shared_mutex.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__functional_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:225,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:16,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/shared_mutex:130,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/shared_mutex.cpp:14:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/shared_mutex:130,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/shared_mutex.cpp:14:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error: At global scope:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:345:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/shared_mutex:130:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/shared_mutex.cpp:14:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:289:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[20/34] /usr/bin/x86_64-pc-linux-gnu-g++  -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/stdexcept.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/stdexcept.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/stdexcept.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/stdexcept.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/memory:601:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/algorithm:634,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:442,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/stdexcept.cpp:13:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/stdexcept.cpp:14:0:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error: At global scope:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:345:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[21/34] /usr/bin/x86_64-pc-linux-gnu-g++  -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/string.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/string.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/string.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/string.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/memory:601:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/algorithm:634,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:442,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/string.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
At global scope:
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[22/34] /usr/bin/x86_64-pc-linux-gnu-g++  -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/strstream.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/strstream.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/strstream.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/strstream.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/memory:601:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/algorithm:634,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:442,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:15,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ios:216,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ostream:138,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/strstream:131,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/strstream.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:18,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ios:216,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ostream:138,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/strstream:131,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/strstream.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error: At global scope:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:345:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:18,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ios:216,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ostream:138,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/strstream:131,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/strstream.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:289:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ostream:138:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/strstream:131,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/strstream.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ios:392:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/strstream:130:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/strstream.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2635:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<char, false>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2636:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<char, true>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2637:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<wchar_t, false>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2638:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<wchar_t, true>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/strstream.cpp: In member function 'virtual std::__1::basic_streambuf<char>::pos_type std::__1::strstreambuf::seekoff(std::__1::basic_streambuf<char>::off_type, std::__1::ios_base::seekdir, std::__1::ios_base::openmode)':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/strstream.cpp:270:24: warning: 'newoff' may be used uninitialized in this function [-Wmaybe-uninitialized]
         newoff += __off;
                        ^
At global scope:
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[23/34] /usr/bin/x86_64-pc-linux-gnu-g++  -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/system_error.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/system_error.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/system_error.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/system_error.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__functional_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:225,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/system_error.cpp:13:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/system_error.cpp:13:0:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error: At global scope:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:345:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[24/34] /usr/bin/x86_64-pc-linux-gnu-g++  -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/thread.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/thread.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/thread.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/thread.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__functional_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/thread:90,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/thread.cpp:13:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/thread:95:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/thread.cpp:13:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error: At global scope:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:345:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/thread:97:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/thread.cpp:13:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:289:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/thread.cpp:16:0:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/future:390:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/future:407:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/future:482:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[25/34] /usr/bin/x86_64-pc-linux-gnu-g++  -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/typeinfo.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/typeinfo.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/typeinfo.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/typeinfo.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/typeinfo.cpp:16:0:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
At global scope:
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[26/34] /usr/bin/x86_64-pc-linux-gnu-g++  -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/utility.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/utility.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/utility.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/utility.cpp
[27/34] /usr/bin/x86_64-pc-linux-gnu-g++  -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++11 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_objects.dir/__/src/valarray.cpp.o -MF lib/CMakeFiles/cxx_objects.dir/__/src/valarray.cpp.o.d -o lib/CMakeFiles/cxx_objects.dir/__/src/valarray.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/valarray.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/cmath:305:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/valarray:344,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/valarray.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/math.h: In function 'float abs(float)':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/math.h:646:1: warning: 'float abs(float)': visibility attribute ignored because it conflicts with previous declaration [-Wattributes]
 abs(float __lcpp_x) _NOEXCEPT {return fabsf(__lcpp_x);}
 ^
<built-in>: note: previous declaration of 'float abs(float)'
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/memory:601:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/algorithm:634,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/valarray:346,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/valarray.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
At global scope:
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[28/34] : && /usr/bin/x86_64-pc-linux-gnu-g++  -fPIC -march=corei7-avx -fomit-frame-pointer -O2 -pipe  -Wl,-O1 -Wl,--as-needed  -fPIC -nodefaultlibs -shared -Wl,-soname,libc++.so.1 -o lib64/libc++.so.1.0 lib/CMakeFiles/cxx_objects.dir/__/src/algorithm.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/any.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/bind.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/chrono.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/condition_variable.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/debug.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/exception.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/future.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/hash.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/ios.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/iostream.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/locale.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/memory.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/mutex.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/new.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/optional.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/random.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/regex.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/shared_mutex.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/stdexcept.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/string.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/strstream.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/system_error.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/thread.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/typeinfo.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/utility.cpp.o lib/CMakeFiles/cxx_objects.dir/__/src/valarray.cpp.o  -lsupc++ -lpthread -lc -lm -lrt -lgcc_s && :
[29/34] /usr/bin/cmake -E cmake_symlink_library lib64/libc++.so.1.0  lib64/libc++.so.1 lib64/libc++.so && :
[30/34] /usr/bin/x86_64-pc-linux-gnu-g++  -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++14 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_experimental.dir/__/src/experimental/filesystem/directory_iterator.cpp.o -MF lib/CMakeFiles/cxx_experimental.dir/__/src/experimental/filesystem/directory_iterator.cpp.o.d -o lib/CMakeFiles/cxx_experimental.dir/__/src/experimental/filesystem/directory_iterator.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/directory_iterator.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:221:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/directory_iterator.cpp:1:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1087:40: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::hours operator"" h(unsigned long long __h)
                                        ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1092:71: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::duration<long double, ratio<3600,1>> operator"" h(long double __h)
                                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1098:42: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::minutes operator"" min(unsigned long long __m)
                                          ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1103:69: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::duration<long double, ratio<60,1>> operator"" min(long double __m)
                                                                     ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1109:42: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::seconds operator"" s(unsigned long long __s)
                                          ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1114:56: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::duration<long double> operator"" s(long double __s)
                                                        ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1120:47: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::milliseconds operator"" ms(unsigned long long __ms)
                                               ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1125:63: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::duration<long double, milli> operator"" ms(long double __ms)
                                                               ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1131:47: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::microseconds operator"" us(unsigned long long __us)
                                               ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1136:63: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::duration<long double, micro> operator"" us(long double __us)
                                                               ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1142:46: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::nanoseconds operator"" ns(unsigned long long __ns)
                                              ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1147:62: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::duration<long double, nano> operator"" ns(long double __ns)
                                                              ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__functional_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/iterator:412,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:222,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/directory_iterator.cpp:1:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:15:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:182,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:224,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/directory_iterator.cpp:1:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string: At global scope:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:4284:36: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     basic_string<char> operator "" s( const char *__str, size_t __len )
                                    ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:4290:39: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     basic_string<wchar_t> operator "" s( const wchar_t *__str, size_t __len )
                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:4296:40: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     basic_string<char16_t> operator "" s( const char16_t *__str, size_t __len )
                                        ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:4302:40: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     basic_string<char32_t> operator "" s( const char32_t *__str, size_t __len )
                                        ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/__config:14:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:219,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/directory_iterator.cpp:1:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:4310:48: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_TYPE_VIS basic_string<char>)
                                                ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:727:54: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE'
 #define _LIBCPP_EXTERN_TEMPLATE(...) extern template __VA_ARGS__;
                                                      ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:4311:48: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_TYPE_VIS basic_string<wchar_t>)
                                                ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:727:54: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE'
 #define _LIBCPP_EXTERN_TEMPLATE(...) extern template __VA_ARGS__;
                                                      ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:18,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:182,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:224,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/directory_iterator.cpp:1:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:345:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:18,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:182,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:224,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/directory_iterator.cpp:1:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:289:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:186:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:224,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/directory_iterator.cpp:1:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ios:392:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/__config:14:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:219,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/directory_iterator.cpp:1:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2635:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<char, false>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2636:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<char, true>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2637:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<wchar_t, false>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2638:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<wchar_t, true>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/directory_iterator.cpp:1:0:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:264:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:296:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:339:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[31/34] /usr/bin/x86_64-pc-linux-gnu-g++  -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++14 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_experimental.dir/__/src/experimental/memory_resource.cpp.o -MF lib/CMakeFiles/cxx_experimental.dir/__/src/experimental/memory_resource.cpp.o.d -o lib/CMakeFiles/cxx_experimental.dir/__/src/experimental/memory_resource.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/memory_resource.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__functional_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/__memory:16,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/memory_resource:69,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/memory_resource.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
At global scope:
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[32/34] /usr/bin/x86_64-pc-linux-gnu-g++  -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++14 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_experimental.dir/__/src/experimental/filesystem/operations.cpp.o -MF lib/CMakeFiles/cxx_experimental.dir/__/src/experimental/filesystem/operations.cpp.o.d -o lib/CMakeFiles/cxx_experimental.dir/__/src/experimental/filesystem/operations.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/operations.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:221:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/operations.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1087:40: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::hours operator"" h(unsigned long long __h)
                                        ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1092:71: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::duration<long double, ratio<3600,1>> operator"" h(long double __h)
                                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1098:42: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::minutes operator"" min(unsigned long long __m)
                                          ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1103:69: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::duration<long double, ratio<60,1>> operator"" min(long double __m)
                                                                     ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1109:42: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::seconds operator"" s(unsigned long long __s)
                                          ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1114:56: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::duration<long double> operator"" s(long double __s)
                                                        ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1120:47: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::milliseconds operator"" ms(unsigned long long __ms)
                                               ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1125:63: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::duration<long double, milli> operator"" ms(long double __ms)
                                                               ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1131:47: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::microseconds operator"" us(unsigned long long __us)
                                               ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1136:63: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::duration<long double, micro> operator"" us(long double __us)
                                                               ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1142:46: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::nanoseconds operator"" ns(unsigned long long __ns)
                                              ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1147:62: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::duration<long double, nano> operator"" ns(long double __ns)
                                                              ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__functional_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/iterator:412,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:222,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/operations.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:15:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:182,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:224,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/operations.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string: At global scope:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:4284:36: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     basic_string<char> operator "" s( const char *__str, size_t __len )
                                    ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:4290:39: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     basic_string<wchar_t> operator "" s( const wchar_t *__str, size_t __len )
                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:4296:40: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     basic_string<char16_t> operator "" s( const char16_t *__str, size_t __len )
                                        ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:4302:40: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     basic_string<char32_t> operator "" s( const char32_t *__str, size_t __len )
                                        ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/__config:14:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:219,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/operations.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:4310:48: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_TYPE_VIS basic_string<char>)
                                                ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:727:54: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE'
 #define _LIBCPP_EXTERN_TEMPLATE(...) extern template __VA_ARGS__;
                                                      ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:4311:48: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_TYPE_VIS basic_string<wchar_t>)
                                                ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:727:54: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE'
 #define _LIBCPP_EXTERN_TEMPLATE(...) extern template __VA_ARGS__;
                                                      ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:18,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:182,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:224,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/operations.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:345:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:18,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:182,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:224,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/operations.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:289:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:186:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:224,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/operations.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ios:392:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/__config:14:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:219,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/operations.cpp:10:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2635:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<char, false>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2636:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<char, true>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2637:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<wchar_t, false>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2638:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<wchar_t, true>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/operations.cpp:10:0:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:264:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:296:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:339:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[33/34] /usr/bin/x86_64-pc-linux-gnu-g++  -D_DEBUG -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -Iinclude -I/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include  -DNDEBUG -march=corei7-avx -fomit-frame-pointer -O2 -pipe   -UNDEBUG -D__GLIBCXX__  -std=c++14 -nostdinc++ -Wall -W -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Wno-user-defined-literals -Wno-covered-switch-default -Werror=return-type -Wno-error -fPIC -MD -MT lib/CMakeFiles/cxx_experimental.dir/__/src/experimental/filesystem/path.cpp.o -MF lib/CMakeFiles/cxx_experimental.dir/__/src/experimental/filesystem/path.cpp.o.d -o lib/CMakeFiles/cxx_experimental.dir/__/src/experimental/filesystem/path.cpp.o -c /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/path.cpp
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:221:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/path.cpp:9:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1087:40: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::hours operator"" h(unsigned long long __h)
                                        ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1092:71: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::duration<long double, ratio<3600,1>> operator"" h(long double __h)
                                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1098:42: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::minutes operator"" min(unsigned long long __m)
                                          ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1103:69: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::duration<long double, ratio<60,1>> operator"" min(long double __m)
                                                                     ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1109:42: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::seconds operator"" s(unsigned long long __s)
                                          ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1114:56: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::duration<long double> operator"" s(long double __s)
                                                        ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1120:47: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::milliseconds operator"" ms(unsigned long long __ms)
                                               ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1125:63: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::duration<long double, milli> operator"" ms(long double __ms)
                                                               ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1131:47: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::microseconds operator"" us(unsigned long long __us)
                                               ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1136:63: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::duration<long double, micro> operator"" us(long double __us)
                                                               ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1142:46: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::nanoseconds operator"" ns(unsigned long long __ns)
                                              ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/chrono:1147:62: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     constexpr chrono::duration<long double, nano> operator"" ns(long double __ns)
                                                              ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__functional_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/iterator:412,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:222,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/path.cpp:9:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo: In member function 'size_t std::type_info::hash_code() const':
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/typeinfo:116:62: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
         {return *reinterpret_cast<const size_t*>(&__type_name);}
                                                              ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:15:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:182,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:224,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/path.cpp:9:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string: At global scope:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:4284:36: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     basic_string<char> operator "" s( const char *__str, size_t __len )
                                    ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:4290:39: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     basic_string<wchar_t> operator "" s( const wchar_t *__str, size_t __len )
                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:4296:40: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     basic_string<char16_t> operator "" s( const char16_t *__str, size_t __len )
                                        ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:4302:40: warning: literal operator suffixes not preceded by '_' are reserved for future standardization
     basic_string<char32_t> operator "" s( const char32_t *__str, size_t __len )
                                        ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/__config:14:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:219,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/path.cpp:9:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:4310:48: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_TYPE_VIS basic_string<char>)
                                                ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:727:54: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE'
 #define _LIBCPP_EXTERN_TEMPLATE(...) extern template __VA_ARGS__;
                                                      ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:4311:48: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_TYPE_VIS basic_string<wchar_t>)
                                                ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:727:54: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE'
 #define _LIBCPP_EXTERN_TEMPLATE(...) extern template __VA_ARGS__;
                                                      ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:16:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:18,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:182,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:224,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/path.cpp:9:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/system_error:345:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/mutex:189:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:18,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:182,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:224,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/path.cpp:9:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__mutex_base:289:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:186:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:224,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/path.cpp:9:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/ios:392:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/__config:14:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:219,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/path.cpp:9:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2635:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<char, false>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2636:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<char, true>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2637:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<wchar_t, false>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:2638:49: warning: type attributes ignored after type is already defined [-Wattributes]
 _LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<wchar_t, true>)
                                                 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__config:731:55: note: in definition of macro '_LIBCPP_EXTERN_TEMPLATE2'
 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
                                                       ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/path.cpp:9:0:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:264:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:296:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:339:1: warning: type attributes ignored after type is already defined [-Wattributes]
 };
 ^
In file included from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/__locale:15:0,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/locale:182,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/experimental/filesystem:224,
                 from /var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/src/experimental/filesystem/path.cpp:9:
/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src/include/string:1139:34: warning: always_inline function might not be inlinable [-Wattributes]
 size_t _LIBCPP_INLINE_VISIBILITY __do_string_hash(_Ptr __p, _Ptr __e)
                                  ^
cc1plus: warning: unrecognized command line option '-Wno-covered-switch-default'
cc1plus: warning: unrecognized command line option '-Wno-user-defined-literals'
[34/34] : && /usr/bin/cmake -E remove lib64/libc++experimental.a && /usr/bin/x86_64-pc-linux-gnu-ar qc lib64/libc++experimental.a  lib/CMakeFiles/cxx_experimental.dir/__/src/experimental/memory_resource.cpp.o lib/CMakeFiles/cxx_experimental.dir/__/src/experimental/filesystem/directory_iterator.cpp.o lib/CMakeFiles/cxx_experimental.dir/__/src/experimental/filesystem/operations.cpp.o lib/CMakeFiles/cxx_experimental.dir/__/src/experimental/filesystem/path.cpp.o && /usr/bin/x86_64-pc-linux-gnu-ranlib lib64/libc++experimental.a && :
>>> Source compiled.
>>> Test phase [not enabled]: sys-libs/libcxx-3.9.1

>>> Install libcxx-3.9.1 into /var/tmp/portage/sys-libs/libcxx-3.9.1/image/ category sys-libs
 * abi_x86_32.x86: running multilib-minimal_abi_src_install
>>> Working in BUILD_DIR: "/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src-abi_x86_32.x86"
[0/1] Install the project...
-- Install configuration: "Gentoo"
-- Installing: /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/.
-- Installing: /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/./exception
-- Installing: /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/./__sso_allocator
-- Installing: /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/./errno.h
-- Installing: /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/./math.h
-- Installing: /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/./stdlib.h
-- Installing: /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/./ctype.h
-- Installing: /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/./inttypes.h
-- Installing: /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/./typeinfo
-- Installing: /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/./wctype.h
-- Installing: /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/./fstream
-- Installing: /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/./future
-- Installing: /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/./stdexcept
-- Installing: /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/./numeric
-- Installing: /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/./typeindex
-- Installing: /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/./stack
-- Installing: /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/./iterator
-- Installing: /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/./cassert
-- Installing: /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/./__std_stream
-- Installing: /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/./__debug
-- Installing: /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/./__config
-- Installing: /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/./array
-- Installing: /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/./support
-- Installing: /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/./support/xlocale
-- Installing: /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/./support/xlocale/__posix_l_fallback.h
-- Installing: /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/./support/xlocale/__strtonum_fallback.h
-- Installing: /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/./support/xlocale/__nop_locale_mgmt.h
-- Installing: /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/./support/xlocale/xlocale.h
-- Installing: /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/./support/solaris
-- Installing: /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/./support/solaris/wchar.h
-- Installing: /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/./support/solaris/floatingpoint.h
-- Installing: /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/./support/solaris/xlocale.h
-- Installing: /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/./support/newlib
-- Installing: /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/./support/newlib/xlocale.h
-- Installing: /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/./support/ibm
-- Installing: /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/./support/ibm/limits.h
-- Installing: /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/./support/ibm/locale_mgmt_aix.h
-- Installing: /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/./support/ibm/xlocale.h
-- Installing: /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/./support/ibm/support.h
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 * abi_x86_64.amd64: running multilib-minimal_abi_src_install
>>> Working in BUILD_DIR: "/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src-abi_x86_64.amd64"
[0/1] Install the project...
-- Install configuration: "Gentoo"
-- Installing: /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/cxxabi.h
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-- Up-to-date: /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/.
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-- Up-to-date: /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/./locale
-- Up-to-date: /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/./initializer_list
-- Installing: /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/lib64/libc++.so.1.0
-- Installing: /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/lib64/libc++.so.1
-- Installing: /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/lib64/libc++.so
 * Header files have changed between ABIs.
 * --- /var/tmp/portage/sys-libs/libcxx-3.9.1/temp/.multilib_header_cksum	2017-09-11 20:35:02.476827837 +0200
 * +++ /var/tmp/portage/sys-libs/libcxx-3.9.1/temp/.multilib_header_cksum.new	2017-09-11 20:35:02.680827365 +0200
 * @@ -21,6 +21,7 @@
 *  2795259519 13116 /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/thread
 *  2501199234 13263 /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/experimental/memory_resource
 *  1356647454 1327 /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/float.h
 * +1719854431 1333 /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/bits/cpu_defines.h
 *  1792313765 134230 /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/valarray
 *  794227430 13549 /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/cmath
 *  1053333045 1370 /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/experimental/chrono
 * @@ -48,7 +49,9 @@
 *  800849921 1745 /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/cctype
 *  622742014 1768 /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/experimental/string
 *  2113255944 1780 /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/experimental/regex
 * +667027746 1783 /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/bits/os_defines.h
 *  3090244805 17834 /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/experimental/functional
 * +4255169671 1811 /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/bits/cxxabi_forced.h
 *  3378320796 1812 /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/experimental/unordered_set
 *  1228620701 181713 /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/memory
 *  1298206509 18250 /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/iomanip
 * @@ -60,10 +63,12 @@
 *  990264027 2009 /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/experimental/unordered_map
 *  2107387492 20446 /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/codecvt
 *  1829610185 20578 /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/experimental/propagate_const
 * +1652265939 2098 /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/bits/cxxabi_tweaks.h
 *  3903888188 2106 /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/__nullptr
 *  3770028336 2145 /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/experimental/tuple
 *  1588654181 21646 /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/system_error
 *  284618641 217779 /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/regex
 * +802402752 22049 /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/cxxabi.h
 *  1751385315 22242 /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/__split_buffer
 *  1495003405 2244 /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/support/solaris/xlocale.h
 *  2030215399 22548 /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/scoped_allocator
 * @@ -118,6 +123,7 @@
 *  844202695 4659 /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/__threading_support
 *  2019422037 4661 /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/string.h
 *  1788110155 50748 /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/istream
 * +3554999358 51070 /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/bits/c++config.h
 *  681234930 5131 /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/errno.h
 *  58780851 52514 /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/__bit_reference
 *  1291101994 53712 /var/tmp/portage/sys-libs/libcxx-3.9.1/image/usr/include/c++/v1/tuple
 * ERROR: sys-libs/libcxx-3.9.1::gentoo failed (install phase):
 *   Header checksum mismatch, aborting.
 * 
 * Call stack:
 *     ebuild.sh, line  115:  Called src_install
 *   environment, line 4657:  Called cmake-multilib_src_install
 *   environment, line 1031:  Called multilib-minimal_src_install
 *   environment, line 3008:  Called multilib_foreach_abi 'multilib-minimal_abi_src_install'
 *   environment, line 3202:  Called multibuild_foreach_variant '_multilib_multibuild_wrapper' 'multilib-minimal_abi_src_install'
 *   environment, line 2826:  Called _multibuild_run '_multilib_multibuild_wrapper' 'multilib-minimal_abi_src_install'
 *   environment, line 2824:  Called _multilib_multibuild_wrapper 'multilib-minimal_abi_src_install'
 *   environment, line  608:  Called multilib-minimal_abi_src_install
 *   environment, line 3005:  Called multilib_check_headers
 *   environment, line 3064:  Called die
 * The specific snippet of code:
 *               die "Header checksum mismatch, aborting.";
 * 
 * If you need support, post the output of `emerge --info '=sys-libs/libcxx-3.9.1::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=sys-libs/libcxx-3.9.1::gentoo'`.
 * The complete build log is located at '/var/tmp/portage/sys-libs/libcxx-3.9.1/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/sys-libs/libcxx-3.9.1/temp/environment'.
 * Working directory: '/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src-abi_x86_64.amd64'
 * S: '/var/tmp/portage/sys-libs/libcxx-3.9.1/work/libcxx-3.9.1.src'