build.log

build.log (text/x-log), 27.56 KB, created by Bertrand Jacquin on 2016-08-28 15:14:30 UTC

[32;01m * [39;49;00mPackage:    sys-libs/libcxx-3.8.1
[32;01m * [39;49;00mRepository: gentoo
[32;01m * [39;49;00mMaintainer: [e-mail] [e-mail],[e-mail]
[32;01m * [39;49;00mUSE:        abi_x86_32 elibc_glibc kernel_linux libcxxrt libunwind static-libs userland_GNU x86
[32;01m * [39;49;00mFEATURES:   preserve-libs sandbox userpriv usersandbox
>>> Unpacking source...
>>> Unpacking libcxx-3.8.1.src.tar.xz to /var/tmp/portage/sys-libs/libcxx-3.8.1/work
>>> Source unpacked in /var/tmp/portage/sys-libs/libcxx-3.8.1/work
>>> Preparing source in /var/tmp/portage/sys-libs/libcxx-3.8.1/work/libcxx-3.8.1.src ...
 [32;01m*[0m Will copy sources from /var/tmp/portage/sys-libs/libcxx-3.8.1/work/libcxx-3.8.1.src
 [32;01m*[0m abi_x86_32.x86: copying to /var/tmp/portage/sys-libs/libcxx-3.8.1/work/libcxx-3.8.1.src-abi_x86_32.x86
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/sys-libs/libcxx-3.8.1/work/libcxx-3.8.1.src ...
>>> Source configured.
>>> Compiling source in /var/tmp/portage/sys-libs/libcxx-3.8.1/work/libcxx-3.8.1.src ...
 [32;01m*[0m abi_x86_32.x86: running multilib-minimal_abi_src_compile
make -j4 shared 
i686-pc-linux-gnu-g++ -I../include  -DLIBCXXRT -I/usr/include/libcxxrt/ -march=native -O2 -pipe -fomit-frame-pointer -std=c++11 -fstrict-aliasing -Wall -Wextra -Wshadow -Wconversion -Wpadded -Wstrict-aliasing=2 -Wstrict-overflow=4 -fPIC -nostdinc++ -c ../src/algorithm.cpp -o algorithm.So
i686-pc-linux-gnu-g++ -I../include  -DLIBCXXRT -I/usr/include/libcxxrt/ -march=native -O2 -pipe -fomit-frame-pointer -std=c++11 -fstrict-aliasing -Wall -Wextra -Wshadow -Wconversion -Wpadded -Wstrict-aliasing=2 -Wstrict-overflow=4 -fPIC -nostdinc++ -c ../src/optional.cpp -o optional.So
i686-pc-linux-gnu-g++ -I../include  -DLIBCXXRT -I/usr/include/libcxxrt/ -march=native -O2 -pipe -fomit-frame-pointer -std=c++11 -fstrict-aliasing -Wall -Wextra -Wshadow -Wconversion -Wpadded -Wstrict-aliasing=2 -Wstrict-overflow=4 -fPIC -nostdinc++ -c ../src/random.cpp -o random.So
i686-pc-linux-gnu-g++ -I../include  -DLIBCXXRT -I/usr/include/libcxxrt/ -march=native -O2 -pipe -fomit-frame-pointer -std=c++11 -fstrict-aliasing -Wall -Wextra -Wshadow -Wconversion -Wpadded -Wstrict-aliasing=2 -Wstrict-overflow=4 -fPIC -nostdinc++ -c ../src/new.cpp -o new.So
../src/new.cpp:132:1: warning: 'void operator delete(void*, size_t)' is a usual (non-placement) deallocation function in C++14 (or with -fsized-deallocation) [-Wc++14-compat]
 operator delete(void* ptr, size_t) _NOEXCEPT
 ^
../src/new.cpp:153:1: warning: 'void operator delete [](void*, size_t)' is a usual (non-placement) deallocation function in C++14 (or with -fsized-deallocation) [-Wc++14-compat]
 operator delete[] (void* ptr, size_t) _NOEXCEPT
 ^
i686-pc-linux-gnu-g++ -I../include  -DLIBCXXRT -I/usr/include/libcxxrt/ -march=native -O2 -pipe -fomit-frame-pointer -std=c++11 -fstrict-aliasing -Wall -Wextra -Wshadow -Wconversion -Wpadded -Wstrict-aliasing=2 -Wstrict-overflow=4 -fPIC -nostdinc++ -c ../src/locale.cpp -o locale.So
i686-pc-linux-gnu-g++ -I../include  -DLIBCXXRT -I/usr/include/libcxxrt/ -march=native -O2 -pipe -fomit-frame-pointer -std=c++11 -fstrict-aliasing -Wall -Wextra -Wshadow -Wconversion -Wpadded -Wstrict-aliasing=2 -Wstrict-overflow=4 -fPIC -nostdinc++ -c ../src/thread.cpp -o thread.So
../src/locale.cpp:131:30: warning: padding struct size to alignment boundary [-Wpadded]
 class _LIBCPP_HIDDEN locale::__imp
                              ^
../src/locale.cpp: In static member function 'static const std::__1::locale& std::__1::locale::__imp::make_classic()':
../src/locale.cpp:462:47: warning: dereferencing type-punned pointer might break strict-aliasing rules [-Wstrict-aliasing]
     locale* c = reinterpret_cast<locale*>(&buf);
                                               ^
../src/locale.cpp: In static member function 'static std::__1::locale& std::__1::locale::__imp::make_global()':
../src/locale.cpp:480:43: warning: dereferencing type-punned pointer might break strict-aliasing rules [-Wstrict-aliasing]
     return *reinterpret_cast<locale*>(&buf);
                                           ^
../src/locale.cpp: In member function 'void std::__1::locale::__install_ctor(const std::__1::locale&, std::__1::locale::facet*, long int)':
../src/locale.cpp:563:62: warning: declaration of 'id' shadows a member of 'std::__1::locale' [-Wshadow]
 locale::__install_ctor(const locale& other, facet* f, long id)
                                                              ^
In file included from ../include/locale:182:0,
                 from ../src/locale.cpp:17:
../include/__locale:138:32: note: shadowed declaration is here
 class _LIBCPP_TYPE_VIS locale::id
                                ^
../src/locale.cpp: In function 'std::__1::codecvt_base::result std::__1::utf16_to_utf8(const uint16_t*, const uint16_t*, const uint16_t*&, uint8_t*, uint8_t*, uint8_t*&, long unsigned int, std::__1::codecvt_mode)':
../src/locale.cpp:1850:49: warning: conversion to 'uint8_t {aka unsigned char}' from 'int' may alter its value [-Wconversion]
             uint8_t z = ((wc1 & 0x03C0) >> 6) + 1;
                                                 ^
../src/locale.cpp: In function 'std::__1::codecvt_base::result std::__1::utf16_to_utf8(const uint32_t*, const uint32_t*, const uint32_t*&, uint8_t*, uint8_t*, uint8_t*&, long unsigned int, std::__1::codecvt_mode)':
../src/locale.cpp:1927:49: warning: conversion to 'uint8_t {aka unsigned char}' from 'int' may alter its value [-Wconversion]
             uint8_t z = ((wc1 & 0x03C0) >> 6) + 1;
                                                 ^
i686-pc-linux-gnu-g++ -I../include  -DLIBCXXRT -I/usr/include/libcxxrt/ -march=native -O2 -pipe -fomit-frame-pointer -std=c++11 -fstrict-aliasing -Wall -Wextra -Wshadow -Wconversion -Wpadded -Wstrict-aliasing=2 -Wstrict-overflow=4 -fPIC -nostdinc++ -c ../src/future.cpp -o future.So
i686-pc-linux-gnu-g++ -I../include  -DLIBCXXRT -I/usr/include/libcxxrt/ -march=native -O2 -pipe -fomit-frame-pointer -std=c++11 -fstrict-aliasing -Wall -Wextra -Wshadow -Wconversion -Wpadded -Wstrict-aliasing=2 -Wstrict-overflow=4 -fPIC -nostdinc++ -c ../src/regex.cpp -o regex.So
../src/locale.cpp: In instantiation of 'T& std::__1::{anonymous}::make(A0) [with T = std::__1::collate<char>; A0 = unsigned int]':
../src/locale.cpp:176:44:   required from here
../src/locale.cpp:69:38: warning: dereferencing type-punned pointer might break strict-aliasing rules [-Wstrict-aliasing]
     return *reinterpret_cast<T*>(&buf);
                                      ^
../src/locale.cpp: In instantiation of 'T& std::__1::{anonymous}::make(A0) [with T = std::__1::collate<wchar_t>; A0 = unsigned int]':
../src/locale.cpp:177:47:   required from here
../src/locale.cpp:69:38: warning: dereferencing type-punned pointer might break strict-aliasing rules [-Wstrict-aliasing]
../src/locale.cpp: In instantiation of 'T& std::__1::{anonymous}::make(A0, A1, A2) [with T = std::__1::ctype<char>; A0 = std::nullptr_t; A1 = bool; A2 = unsigned int]':
../src/locale.cpp:178:58:   required from here
../src/locale.cpp:89:38: warning: dereferencing type-punned pointer might break strict-aliasing rules [-Wstrict-aliasing]
     return *reinterpret_cast<T*>(&buf);
                                      ^
../src/locale.cpp: In instantiation of 'T& std::__1::{anonymous}::make(A0) [with T = std::__1::ctype<wchar_t>; A0 = unsigned int]':
../src/locale.cpp:179:45:   required from here
../src/locale.cpp:69:38: warning: dereferencing type-punned pointer might break strict-aliasing rules [-Wstrict-aliasing]
     return *reinterpret_cast<T*>(&buf);
                                      ^
../src/locale.cpp: In instantiation of 'T& std::__1::{anonymous}::make(A0) [with T = std::__1::codecvt<char, char, __mbstate_t>; A0 = unsigned int]':
../src/locale.cpp:180:54:   required from here
../src/locale.cpp:69:38: warning: dereferencing type-punned pointer might break strict-aliasing rules [-Wstrict-aliasing]
../src/locale.cpp: In instantiation of 'T& std::__1::{anonymous}::make(A0) [with T = std::__1::codecvt<wchar_t, char, __mbstate_t>; A0 = unsigned int]':
../src/locale.cpp:181:57:   required from here
../src/locale.cpp:69:38: warning: dereferencing type-punned pointer might break strict-aliasing rules [-Wstrict-aliasing]
../src/locale.cpp: In instantiation of 'T& std::__1::{anonymous}::make(A0) [with T = std::__1::codecvt<char16_t, char, __mbstate_t>; A0 = unsigned int]':
../src/locale.cpp:182:58:   required from here
../src/locale.cpp:69:38: warning: dereferencing type-punned pointer might break strict-aliasing rules [-Wstrict-aliasing]
../src/locale.cpp: In instantiation of 'T& std::__1::{anonymous}::make(A0) [with T = std::__1::codecvt<char32_t, char, __mbstate_t>; A0 = unsigned int]':
../src/locale.cpp:183:58:   required from here
../src/locale.cpp:69:38: warning: dereferencing type-punned pointer might break strict-aliasing rules [-Wstrict-aliasing]
../src/locale.cpp: In instantiation of 'T& std::__1::{anonymous}::make(A0) [with T = std::__1::numpunct<char>; A0 = unsigned int]':
../src/locale.cpp:184:38:   required from here
../src/locale.cpp:69:38: warning: dereferencing type-punned pointer might break strict-aliasing rules [-Wstrict-aliasing]
../src/locale.cpp: In instantiation of 'T& std::__1::{anonymous}::make(A0) [with T = std::__1::numpunct<wchar_t>; A0 = unsigned int]':
../src/locale.cpp:185:41:   required from here
../src/locale.cpp:69:38: warning: dereferencing type-punned pointer might break strict-aliasing rules [-Wstrict-aliasing]
../src/locale.cpp: In instantiation of 'T& std::__1::{anonymous}::make(A0) [with T = std::__1::num_get<char>; A0 = unsigned int]':
../src/locale.cpp:186:37:   required from here
../src/locale.cpp:69:38: warning: dereferencing type-punned pointer might break strict-aliasing rules [-Wstrict-aliasing]
../src/locale.cpp: In instantiation of 'T& std::__1::{anonymous}::make(A0) [with T = std::__1::num_get<wchar_t>; A0 = unsigned int]':
../src/locale.cpp:187:40:   required from here
../src/locale.cpp:69:38: warning: dereferencing type-punned pointer might break strict-aliasing rules [-Wstrict-aliasing]
../src/locale.cpp: In instantiation of 'T& std::__1::{anonymous}::make(A0) [with T = std::__1::num_put<char>; A0 = unsigned int]':
../src/locale.cpp:188:37:   required from here
../src/locale.cpp:69:38: warning: dereferencing type-punned pointer might break strict-aliasing rules [-Wstrict-aliasing]
../src/locale.cpp: In instantiation of 'T& std::__1::{anonymous}::make(A0) [with T = std::__1::num_put<wchar_t>; A0 = unsigned int]':
../src/locale.cpp:189:40:   required from here
../src/locale.cpp:69:38: warning: dereferencing type-punned pointer might break strict-aliasing rules [-Wstrict-aliasing]
../src/locale.cpp: In instantiation of 'T& std::__1::{anonymous}::make(A0) [with T = std::__1::moneypunct<char, false>; A0 = unsigned int]':
../src/locale.cpp:190:47:   required from here
../src/locale.cpp:69:38: warning: dereferencing type-punned pointer might break strict-aliasing rules [-Wstrict-aliasing]
../src/locale.cpp: In instantiation of 'T& std::__1::{anonymous}::make(A0) [with T = std::__1::moneypunct<char, true>; A0 = unsigned int]':
../src/locale.cpp:191:46:   required from here
../src/locale.cpp:69:38: warning: dereferencing type-punned pointer might break strict-aliasing rules [-Wstrict-aliasing]
../src/locale.cpp: In instantiation of 'T& std::__1::{anonymous}::make(A0) [with T = std::__1::moneypunct<wchar_t, false>; A0 = unsigned int]':
../src/locale.cpp:192:50:   required from here
../src/locale.cpp:69:38: warning: dereferencing type-punned pointer might break strict-aliasing rules [-Wstrict-aliasing]
../src/locale.cpp: In instantiation of 'T& std::__1::{anonymous}::make(A0) [with T = std::__1::moneypunct<wchar_t, true>; A0 = unsigned int]':
../src/locale.cpp:193:49:   required from here
../src/locale.cpp:69:38: warning: dereferencing type-punned pointer might break strict-aliasing rules [-Wstrict-aliasing]
../src/locale.cpp: In instantiation of 'T& std::__1::{anonymous}::make(A0) [with T = std::__1::money_get<char>; A0 = unsigned int]':
../src/locale.cpp:194:39:   required from here
../src/locale.cpp:69:38: warning: dereferencing type-punned pointer might break strict-aliasing rules [-Wstrict-aliasing]
../src/locale.cpp: In instantiation of 'T& std::__1::{anonymous}::make(A0) [with T = std::__1::money_get<wchar_t>; A0 = unsigned int]':
../src/locale.cpp:195:42:   required from here
../src/locale.cpp:69:38: warning: dereferencing type-punned pointer might break strict-aliasing rules [-Wstrict-aliasing]
../src/locale.cpp: In instantiation of 'T& std::__1::{anonymous}::make(A0) [with T = std::__1::money_put<char>; A0 = unsigned int]':
../src/locale.cpp:196:39:   required from here
../src/locale.cpp:69:38: warning: dereferencing type-punned pointer might break strict-aliasing rules [-Wstrict-aliasing]
../src/locale.cpp: In instantiation of 'T& std::__1::{anonymous}::make(A0) [with T = std::__1::money_put<wchar_t>; A0 = unsigned int]':
../src/locale.cpp:197:42:   required from here
../src/locale.cpp:69:38: warning: dereferencing type-punned pointer might break strict-aliasing rules [-Wstrict-aliasing]
../src/locale.cpp: In instantiation of 'T& std::__1::{anonymous}::make(A0) [with T = std::__1::time_get<char>; A0 = unsigned int]':
../src/locale.cpp:198:38:   required from here
../src/locale.cpp:69:38: warning: dereferencing type-punned pointer might break strict-aliasing rules [-Wstrict-aliasing]
../src/locale.cpp: In instantiation of 'T& std::__1::{anonymous}::make(A0) [with T = std::__1::time_get<wchar_t>; A0 = unsigned int]':
../src/locale.cpp:199:41:   required from here
../src/locale.cpp:69:38: warning: dereferencing type-punned pointer might break strict-aliasing rules [-Wstrict-aliasing]
../src/locale.cpp: In instantiation of 'T& std::__1::{anonymous}::make(A0) [with T = std::__1::time_put<char>; A0 = unsigned int]':
../src/locale.cpp:200:38:   required from here
../src/locale.cpp:69:38: warning: dereferencing type-punned pointer might break strict-aliasing rules [-Wstrict-aliasing]
../src/locale.cpp: In instantiation of 'T& std::__1::{anonymous}::make(A0) [with T = std::__1::time_put<wchar_t>; A0 = unsigned int]':
../src/locale.cpp:201:41:   required from here
../src/locale.cpp:69:38: warning: dereferencing type-punned pointer might break strict-aliasing rules [-Wstrict-aliasing]
../src/locale.cpp: In instantiation of 'T& std::__1::{anonymous}::make(A0) [with T = std::__1::messages<char>; A0 = unsigned int]':
../src/locale.cpp:202:45:   required from here
../src/locale.cpp:69:38: warning: dereferencing type-punned pointer might break strict-aliasing rules [-Wstrict-aliasing]
../src/locale.cpp: In instantiation of 'T& std::__1::{anonymous}::make(A0) [with T = std::__1::messages<wchar_t>; A0 = unsigned int]':
../src/locale.cpp:203:48:   required from here
../src/locale.cpp:69:38: warning: dereferencing type-punned pointer might break strict-aliasing rules [-Wstrict-aliasing]
../src/locale.cpp: In instantiation of 'T& std::__1::{anonymous}::make(A0) [with T = std::__1::locale::__imp; A0 = unsigned int]':
../src/locale.cpp:463:35:   required from here
../src/locale.cpp:69:38: warning: dereferencing type-punned pointer might break strict-aliasing rules [-Wstrict-aliasing]
../src/future.cpp: In destructor 'std::__1::promise<void>::~promise()':
../src/future.cpp:225:38: warning: assuming signed overflow does not occur when changing X +- C1 cmp C2 to X cmp C2 -+ C1 [-Wstrict-overflow]
         if (!__state_->__has_value() && __state_->use_count() > 1)
                                      ^
../src/regex.cpp:77:8: warning: padding struct size to alignment boundary [-Wpadded]
 struct collationnames
        ^
../src/regex.cpp:207:8: warning: padding struct size to alignment boundary [-Wpadded]
 struct classnames
        ^
i686-pc-linux-gnu-g++ -I../include  -DLIBCXXRT -I/usr/include/libcxxrt/ -march=native -O2 -pipe -fomit-frame-pointer -std=c++11 -fstrict-aliasing -Wall -Wextra -Wshadow -Wconversion -Wpadded -Wstrict-aliasing=2 -Wstrict-overflow=4 -fPIC -nostdinc++ -c ../src/strstream.cpp -o strstream.So
i686-pc-linux-gnu-g++ -I../include  -DLIBCXXRT -I/usr/include/libcxxrt/ -march=native -O2 -pipe -fomit-frame-pointer -std=c++11 -fstrict-aliasing -Wall -Wextra -Wshadow -Wconversion -Wpadded -Wstrict-aliasing=2 -Wstrict-overflow=4 -fPIC -nostdinc++ -c ../src/string.cpp -o string.So
../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)':
../src/strstream.cpp:267:24: warning: 'newoff' may be used uninitialized in this function [-Wmaybe-uninitialized]
         newoff += __off;
                        ^
i686-pc-linux-gnu-g++ -I../include  -DLIBCXXRT -I/usr/include/libcxxrt/ -march=native -O2 -pipe -fomit-frame-pointer -std=c++11 -fstrict-aliasing -Wall -Wextra -Wshadow -Wconversion -Wpadded -Wstrict-aliasing=2 -Wstrict-overflow=4 -fPIC -nostdinc++ -c ../src/shared_mutex.cpp -o shared_mutex.So
i686-pc-linux-gnu-g++ -I../include  -DLIBCXXRT -I/usr/include/libcxxrt/ -march=native -O2 -pipe -fomit-frame-pointer -std=c++11 -fstrict-aliasing -Wall -Wextra -Wshadow -Wconversion -Wpadded -Wstrict-aliasing=2 -Wstrict-overflow=4 -fPIC -nostdinc++ -c ../src/mutex.cpp -o mutex.So
i686-pc-linux-gnu-g++ -I../include  -DLIBCXXRT -I/usr/include/libcxxrt/ -march=native -O2 -pipe -fomit-frame-pointer -std=c++11 -fstrict-aliasing -Wall -Wextra -Wshadow -Wconversion -Wpadded -Wstrict-aliasing=2 -Wstrict-overflow=4 -fPIC -nostdinc++ -c ../src/exception.cpp -o exception.So
i686-pc-linux-gnu-g++ -I../include  -DLIBCXXRT -I/usr/include/libcxxrt/ -march=native -O2 -pipe -fomit-frame-pointer -std=c++11 -fstrict-aliasing -Wall -Wextra -Wshadow -Wconversion -Wpadded -Wstrict-aliasing=2 -Wstrict-overflow=4 -fPIC -nostdinc++ -c ../src/iostream.cpp -o iostream.So
i686-pc-linux-gnu-g++ -I../include  -DLIBCXXRT -I/usr/include/libcxxrt/ -march=native -O2 -pipe -fomit-frame-pointer -std=c++11 -fstrict-aliasing -Wall -Wextra -Wshadow -Wconversion -Wpadded -Wstrict-aliasing=2 -Wstrict-overflow=4 -fPIC -nostdinc++ -c ../src/any.cpp -o any.So
i686-pc-linux-gnu-g++ -I../include  -DLIBCXXRT -I/usr/include/libcxxrt/ -march=native -O2 -pipe -fomit-frame-pointer -std=c++11 -fstrict-aliasing -Wall -Wextra -Wshadow -Wconversion -Wpadded -Wstrict-aliasing=2 -Wstrict-overflow=4 -fPIC -nostdinc++ -c ../src/typeinfo.cpp -o typeinfo.So
i686-pc-linux-gnu-g++ -I../include  -DLIBCXXRT -I/usr/include/libcxxrt/ -march=native -O2 -pipe -fomit-frame-pointer -std=c++11 -fstrict-aliasing -Wall -Wextra -Wshadow -Wconversion -Wpadded -Wstrict-aliasing=2 -Wstrict-overflow=4 -fPIC -nostdinc++ -c ../src/ios.cpp -o ios.So
../src/iostream.cpp: In destructor 'std::__1::ios_base::Init::~Init()':
../src/iostream.cpp:76:56: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
     ostream* cout_ptr = reinterpret_cast<ostream*>(cout);
                                                        ^
../src/iostream.cpp:77:60: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
     wostream* wcout_ptr = reinterpret_cast<wostream*>(wcout);
                                                            ^
../src/iostream.cpp:82:56: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
     ostream* clog_ptr = reinterpret_cast<ostream*>(clog);
                                                        ^
../src/iostream.cpp:83:60: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
     wostream* wclog_ptr = reinterpret_cast<wostream*>(wclog);
                                                            ^
i686-pc-linux-gnu-g++ -I../include  -DLIBCXXRT -I/usr/include/libcxxrt/ -march=native -O2 -pipe -fomit-frame-pointer -std=c++11 -fstrict-aliasing -Wall -Wextra -Wshadow -Wconversion -Wpadded -Wstrict-aliasing=2 -Wstrict-overflow=4 -fPIC -nostdinc++ -c ../src/bind.cpp -o bind.So
../src/ios.cpp: In member function 'std::__1::locale std::__1::ios_base::imbue(const std::__1::locale&)':
../src/ios.cpp:140:61: warning: dereferencing type-punned pointer might break strict-aliasing rules [-Wstrict-aliasing]
     locale& loc_storage = *reinterpret_cast<locale*>(&__loc_);
                                                             ^
../src/ios.cpp: In member function 'std::__1::locale std::__1::ios_base::getloc() const':
../src/ios.cpp:150:73: warning: dereferencing type-punned pointer might break strict-aliasing rules [-Wstrict-aliasing]
     const locale& loc_storage = *reinterpret_cast<const locale*>(&__loc_);
                                                                         ^
../src/ios.cpp: In destructor 'virtual std::__1::ios_base::~ios_base()':
../src/ios.cpp:252:61: warning: dereferencing type-punned pointer might break strict-aliasing rules [-Wstrict-aliasing]
     locale& loc_storage = *reinterpret_cast<locale*>(&__loc_);
                                                             ^
../src/ios.cpp: In member function 'void std::__1::ios_base::copyfmt(const std::__1::ios_base&)':
../src/ios.cpp:346:57: warning: dereferencing type-punned pointer might break strict-aliasing rules [-Wstrict-aliasing]
     locale& lhs_loc = *reinterpret_cast<locale*>(&__loc_);
                                                         ^
../src/ios.cpp:347:73: warning: dereferencing type-punned pointer might break strict-aliasing rules [-Wstrict-aliasing]
     const locale& rhs_loc = *reinterpret_cast<const locale*>(&rhs.__loc_);
                                                                         ^
../src/ios.cpp: In member function 'void std::__1::ios_base::move(std::__1::ios_base&)':
../src/ios.cpp:390:61: warning: dereferencing type-punned pointer might break strict-aliasing rules [-Wstrict-aliasing]
     locale& rhs_loc = *reinterpret_cast<locale*>(&rhs.__loc_);
                                                             ^
../src/ios.cpp: In member function 'void std::__1::ios_base::swap(std::__1::ios_base&)':
../src/ios.cpp:422:57: warning: dereferencing type-punned pointer might break strict-aliasing rules [-Wstrict-aliasing]
     locale& lhs_loc = *reinterpret_cast<locale*>(&__loc_);
                                                         ^
../src/ios.cpp:423:61: warning: dereferencing type-punned pointer might break strict-aliasing rules [-Wstrict-aliasing]
     locale& rhs_loc = *reinterpret_cast<locale*>(&rhs.__loc_);
                                                             ^
i686-pc-linux-gnu-g++ -I../include  -DLIBCXXRT -I/usr/include/libcxxrt/ -march=native -O2 -pipe -fomit-frame-pointer -std=c++11 -fstrict-aliasing -Wall -Wextra -Wshadow -Wconversion -Wpadded -Wstrict-aliasing=2 -Wstrict-overflow=4 -fPIC -nostdinc++ -c ../src/condition_variable.cpp -o condition_variable.So
i686-pc-linux-gnu-g++ -I../include  -DLIBCXXRT -I/usr/include/libcxxrt/ -march=native -O2 -pipe -fomit-frame-pointer -std=c++11 -fstrict-aliasing -Wall -Wextra -Wshadow -Wconversion -Wpadded -Wstrict-aliasing=2 -Wstrict-overflow=4 -fPIC -nostdinc++ -c ../src/stdexcept.cpp -o stdexcept.So
i686-pc-linux-gnu-g++ -I../include  -DLIBCXXRT -I/usr/include/libcxxrt/ -march=native -O2 -pipe -fomit-frame-pointer -std=c++11 -fstrict-aliasing -Wall -Wextra -Wshadow -Wconversion -Wpadded -Wstrict-aliasing=2 -Wstrict-overflow=4 -fPIC -nostdinc++ -c ../src/valarray.cpp -o valarray.So
i686-pc-linux-gnu-g++ -I../include  -DLIBCXXRT -I/usr/include/libcxxrt/ -march=native -O2 -pipe -fomit-frame-pointer -std=c++11 -fstrict-aliasing -Wall -Wextra -Wshadow -Wconversion -Wpadded -Wstrict-aliasing=2 -Wstrict-overflow=4 -fPIC -nostdinc++ -c ../src/system_error.cpp -o system_error.So
i686-pc-linux-gnu-g++ -I../include  -DLIBCXXRT -I/usr/include/libcxxrt/ -march=native -O2 -pipe -fomit-frame-pointer -std=c++11 -fstrict-aliasing -Wall -Wextra -Wshadow -Wconversion -Wpadded -Wstrict-aliasing=2 -Wstrict-overflow=4 -fPIC -nostdinc++ -c ../src/utility.cpp -o utility.So
i686-pc-linux-gnu-g++ -I../include  -DLIBCXXRT -I/usr/include/libcxxrt/ -march=native -O2 -pipe -fomit-frame-pointer -std=c++11 -fstrict-aliasing -Wall -Wextra -Wshadow -Wconversion -Wpadded -Wstrict-aliasing=2 -Wstrict-overflow=4 -fPIC -nostdinc++ -c ../src/memory.cpp -o memory.So
../src/ios.cpp: In member function 'long int& std::__1::ios_base::iword(int)':
../src/ios.cpp:178:1: warning: assuming pointer wraparound does not occur when comparing P +- C1 with P +- C2 [-Wstrict-overflow]
 ios_base::iword(int index)
 ^
../src/ios.cpp: In member function 'void*& std::__1::ios_base::pword(int)':
../src/ios.cpp:202:1: warning: assuming pointer wraparound does not occur when comparing P +- C1 with P +- C2 [-Wstrict-overflow]
 ios_base::pword(int index)
 ^
i686-pc-linux-gnu-g++ -I../include  -DLIBCXXRT -I/usr/include/libcxxrt/ -march=native -O2 -pipe -fomit-frame-pointer -std=c++11 -fstrict-aliasing -Wall -Wextra -Wshadow -Wconversion -Wpadded -Wstrict-aliasing=2 -Wstrict-overflow=4 -fPIC -nostdinc++ -c ../src/hash.cpp -o hash.So
i686-pc-linux-gnu-g++ -I../include  -DLIBCXXRT -I/usr/include/libcxxrt/ -march=native -O2 -pipe -fomit-frame-pointer -std=c++11 -fstrict-aliasing -Wall -Wextra -Wshadow -Wconversion -Wpadded -Wstrict-aliasing=2 -Wstrict-overflow=4 -fPIC -nostdinc++ -c ../src/chrono.cpp -o chrono.So
i686-pc-linux-gnu-g++ -I../include  -DLIBCXXRT -I/usr/include/libcxxrt/ -march=native -O2 -pipe -fomit-frame-pointer -std=c++11 -fstrict-aliasing -Wall -Wextra -Wshadow -Wconversion -Wpadded -Wstrict-aliasing=2 -Wstrict-overflow=4 -fPIC -nostdinc++ -c ../src/debug.cpp -o debug.So
i686-pc-linux-gnu-g++ -fPIC -nodefaultlibs -march=native -O2 -pipe -fomit-frame-pointer -std=c++11 -fstrict-aliasing -Wall -Wextra -Wshadow -Wconversion -Wpadded -Wstrict-aliasing=2 -Wstrict-overflow=4 -Wl,-O1 -Wl,--as-needed -Wl,-z,defs -shared -Wl,-soname,libc++.so.1 -o libc++.so.1.0 algorithm.So optional.So random.So new.So locale.So thread.So future.So regex.So strstream.So string.So shared_mutex.So mutex.So exception.So iostream.So any.So typeinfo.So ios.So bind.So condition_variable.So stdexcept.So valarray.So system_error.So utility.So memory.So hash.So chrono.So debug.So -lcxxrt -lpthread -lrt -lc -lunwind
thread.So: In function `std::__1::this_thread::sleep_for(std::__1::chrono::duration<long long, std::__1::ratio<1ll, 1000000000ll> > const&)':
thread.cpp:(.text+0x1c0): undefined reference to `__divdi3'
condition_variable.So: In function `std::__1::condition_variable::__do_timed_wait(std::__1::unique_lock<std::__1::mutex>&, std::__1::chrono::time_point<std::__1::chrono::system_clock, std::__1::chrono::duration<long long, std::__1::ratio<1ll, 1000000000ll> > >)':
condition_variable.cpp:(.text+0x10c): undefined reference to `__divdi3'
chrono.So: In function `std::__1::chrono::system_clock::to_time_t(std::__1::chrono::time_point<std::__1::chrono::system_clock, std::__1::chrono::duration<long long, std::__1::ratio<1ll, 1000000ll> > > const&)':
chrono.cpp:(.text+0xa0): undefined reference to `__divdi3'
collect2: error: ld returned 1 exit status
make: *** [Makefile:30: libc++.so.1.0] Error 1
 [31;01m*[0m ERROR: sys-libs/libcxx-3.8.1::gentoo failed (compile phase):
 [31;01m*[0m   emake failed
 [31;01m*[0m 
 [31;01m*[0m If you need support, post the output of `emerge --info '=sys-libs/libcxx-3.8.1::gentoo'`,
 [31;01m*[0m the complete build log and the output of `emerge -pqv '=sys-libs/libcxx-3.8.1::gentoo'`.
 [31;01m*[0m The complete build log is located at '/var/log/portage/sys-libs:libcxx-3.8.1:20160828-150841.log'.
 [31;01m*[0m For convenience, a symlink to the build log is located at '/var/tmp/portage/sys-libs/libcxx-3.8.1/temp/build.log'.
 [31;01m*[0m The ebuild environment file is located at '/var/tmp/portage/sys-libs/libcxx-3.8.1/temp/environment'.
 [31;01m*[0m Working directory: '/var/tmp/portage/sys-libs/libcxx-3.8.1/work/libcxx-3.8.1.src-abi_x86_32.x86/lib'
 [31;01m*[0m S: '/var/tmp/portage/sys-libs/libcxx-3.8.1/work/libcxx-3.8.1.src'