$ ./configure 'CFLAGS=-Wall -ggdb -O2 -Wextra' --host=armv7a-softfloat-linux-gnueabi --prefix=$PWD/ii checking for a BSD-compatible install... /usr/bin/install -c checking whether build environment is sane... yes checking for armv7a-softfloat-linux-gnueabi-strip... armv7a-softfloat-linux-gnueabi-strip checking for a thread-safe mkdir -p... /bin/mkdir -p checking for gawk... gawk checking whether make sets $(MAKE)... yes checking whether make supports nested variables... yes checking whether make supports nested variables... (cached) yes checking for style of include used by make... GNU checking for armv7a-softfloat-linux-gnueabi-gcc... armv7a-softfloat-linux-gnueabi-gcc checking whether the C compiler works... yes checking for C compiler default output file name... a.out checking for suffix of executables... checking whether we are cross compiling... yes checking for suffix of object files... o checking whether we are using the GNU C compiler... yes checking whether armv7a-softfloat-linux-gnueabi-gcc accepts -g... yes checking for armv7a-softfloat-linux-gnueabi-gcc option to accept ISO C89... none needed checking dependency style of armv7a-softfloat-linux-gnueabi-gcc... gcc3 checking for armv7a-softfloat-linux-gnueabi-gcc option to accept ISO C99... -std=gnu99 checking for armv7a-softfloat-linux-gnueabi-ar... armv7a-softfloat-linux-gnueabi-ar checking the archiver (armv7a-softfloat-linux-gnueabi-ar) interface... ar checking build system type... x86_64-unknown-linux-gnu checking host system type... armv7a-softfloat-linux-gnueabi checking how to print strings... printf checking for a sed that does not truncate output... /bin/sed checking for grep that handles long lines and -e... /bin/grep checking for egrep... /bin/grep -E checking for fgrep... /bin/grep -F checking for ld used by armv7a-softfloat-linux-gnueabi-gcc -std=gnu99... /usr/libexec/gcc/armv7a-softfloat-linux-gnueabi/ld checking if the linker (/usr/libexec/gcc/armv7a-softfloat-linux-gnueabi/ld) is GNU ld... yes checking for BSD- or MS-compatible name lister (nm)... /usr/bin/armv7a-softfloat-linux-gnueabi-nm -B checking the name lister (/usr/bin/armv7a-softfloat-linux-gnueabi-nm -B) interface... BSD nm checking whether ln -s works... yes checking the maximum length of command line arguments... 1572864 checking whether the shell understands some XSI constructs... yes checking whether the shell understands "+="... yes checking how to convert x86_64-unknown-linux-gnu file names to armv7a-softfloat-linux-gnueabi format... func_convert_file_noop checking how to convert x86_64-unknown-linux-gnu file names to toolchain format... func_convert_file_noop checking for /usr/libexec/gcc/armv7a-softfloat-linux-gnueabi/ld option to reload object files... -r checking for armv7a-softfloat-linux-gnueabi-objdump... armv7a-softfloat-linux-gnueabi-objdump checking how to recognize dependent libraries... pass_all checking for armv7a-softfloat-linux-gnueabi-dlltool... armv7a-softfloat-linux-gnueabi-dlltool checking how to associate runtime and link libraries... printf %s\n checking for armv7a-softfloat-linux-gnueabi-ar... (cached) armv7a-softfloat-linux-gnueabi-ar checking for archiver @FILE support... @ checking for armv7a-softfloat-linux-gnueabi-strip... (cached) armv7a-softfloat-linux-gnueabi-strip checking for armv7a-softfloat-linux-gnueabi-ranlib... armv7a-softfloat-linux-gnueabi-ranlib checking command to parse /usr/bin/armv7a-softfloat-linux-gnueabi-nm -B output from armv7a-softfloat-linux-gnueabi-gcc -std=gnu99 object... ok checking for sysroot... no checking for armv7a-softfloat-linux-gnueabi-mt... no checking for mt... no checking if : is a manifest tool... no checking how to run the C preprocessor... armv7a-softfloat-linux-gnueabi-gcc -std=gnu99 -E checking for ANSI C header files... yes checking for sys/types.h... yes checking for sys/stat.h... yes checking for stdlib.h... yes checking for string.h... yes checking for memory.h... yes checking for strings.h... yes checking for inttypes.h... yes checking for stdint.h... yes checking for unistd.h... yes checking for dlfcn.h... yes checking for objdir... .libs checking if armv7a-softfloat-linux-gnueabi-gcc -std=gnu99 supports -fno-rtti -fno-exceptions... no checking for armv7a-softfloat-linux-gnueabi-gcc -std=gnu99 option to produce PIC... -fPIC -DPIC checking if armv7a-softfloat-linux-gnueabi-gcc -std=gnu99 PIC flag -fPIC -DPIC works... yes checking if armv7a-softfloat-linux-gnueabi-gcc -std=gnu99 static flag -static works... yes checking if armv7a-softfloat-linux-gnueabi-gcc -std=gnu99 supports -c -o file.o... yes checking if armv7a-softfloat-linux-gnueabi-gcc -std=gnu99 supports -c -o file.o... (cached) yes checking whether the armv7a-softfloat-linux-gnueabi-gcc -std=gnu99 linker (/usr/libexec/gcc/armv7a-softfloat-linux-gnueabi/ld) supports shared libraries... yes checking whether -lc should be explicitly linked in... no checking dynamic linker characteristics... GNU/Linux ld.so checking how to hardcode library paths into programs... immediate checking whether stripping libraries is possible... yes checking if libtool supports shared libraries... yes checking whether to build shared libraries... yes checking whether to build static libraries... no checking fcntl.h usability... yes checking fcntl.h presence... yes checking for fcntl.h... yes checking stddef.h usability... yes checking stddef.h presence... yes checking for stddef.h... yes checking for stdint.h... (cached) yes checking for stdlib.h... (cached) yes checking for string.h... (cached) yes checking sys/time.h usability... yes checking sys/time.h presence... yes checking for sys/time.h... yes checking for unistd.h... (cached) yes checking for stdbool.h that conforms to C99... yes checking for _Bool... yes checking for inline... inline checking for size_t... yes checking for ssize_t... yes checking for uint16_t... yes checking for uint32_t... yes checking for uint8_t... yes checking for clock_gettime in -lrt... yes checking for clock_gettime... yes checking for gettimeofday... yes checking for memmove... yes checking for armv7a-softfloat-linux-gnueabi-pkg-config... /usr/bin/armv7a-softfloat-linux-gnueabi-pkg-config checking pkg-config is at least version 0.9.0... yes checking for PROTOBUF_C... yes checking for protoc-c... /usr/bin/protoc-c checking for DIRECTFB... yes checking for JANSSON... yes checking for LIBSODIUM... yes checking for LIBZMQ... yes checking that generated files are newer than configure... done configure: creating ./config.status config.status: creating Makefile config.status: creating fabd-cli/Makefile config.status: creating htu21d/Makefile config.status: creating freeabode/Makefile config.status: creating freeabode/libfreeabode.pc config.status: creating nbp/Makefile config.status: creating tstat/Makefile config.status: creating wallknob/Makefile config.status: creating config.h config.status: config.h is unchanged config.status: executing depfiles commands config.status: executing libtool commands $ make make all-recursive make[1]: Entering directory '/path/to/freeabode' Making all in freeabode make[2]: Entering directory '/path/to/freeabode/freeabode' PROTOC_C freeabode.pb-c.c freeabode.pb-c.h [libprotobuf WARNING /var/tmp/portage/dev-libs/protobuf-3.5.1.1/work/protobuf-3.5.1.1/src/google/protobuf/compiler/parser.cc:546] No syntax specified for the proto file: freeabode.proto. Please use 'syntax = "proto2";' or 'syntax = "proto3";' to specify a syntax version. (Defaulted to proto2 syntax.) make all-am make[3]: Entering directory '/path/to/freeabode/freeabode' CC libfreeabode_la-fabdcfg.lo fabdcfg.c: In function 'fabd_common_argv': fabdcfg.c:59:72: warning: unused parameter 'type' [-Wunused-parameter] CC libfreeabode_la-logging.lo logging.c: In function 'applog': logging.c:11:23: warning: unused parameter 'loglevel' [-Wunused-parameter] logging.c:33:8: warning: ignoring return value of 'fwrite', declared with attribute warn_unused_result [-Wunused-result] CC libfreeabode_la-security.lo CC libfreeabode_la-util.lo util.c: In function 'fabd_strtobool': util.c:98:8: warning: ignoring return value of 'strtol', declared with attribute warn_unused_result [-Wunused-result] CC libfreeabode_la-json.lo CC libfreeabode_la-freeabode.pb-c.lo CCLD libfreeabode.la make[3]: Leaving directory '/path/to/freeabode/freeabode' make[2]: Leaving directory '/path/to/freeabode/freeabode' Making all in fabd-cli make[2]: Entering directory '/path/to/freeabode/fabd-cli' CC remctl-remctl.o CCLD remctl /usr/libexec/gcc/armv7a-softfloat-linux-gnueabi/ld: warning: libstdc++.so.6, needed by /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so, not found (try using -rpath or -rpath-link) /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `__gxx_personality_v0@CXXABI_1.3' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `std::__throw_logic_error(char const*)@GLIBCXX_3.4' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `VTT for std::basic_ostringstream, std::allocator >@GLIBCXX_3.4' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `std::locale::~locale()@GLIBCXX_3.4' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `std::basic_string, std::allocator >::basic_string(std::string const&, unsigned int, unsigned int)@GLIBCXX_3.4' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `__cxa_end_catch@CXXABI_1.3' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `vtable for __cxxabiv1::__si_class_type_info@CXXABI_1.3' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `VTT for std::basic_stringstream, std::allocator >@GLIBCXX_3.4' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `std::string::_M_leak_hard()@GLIBCXX_3.4' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `std::basic_string, std::allocator >::basic_string(std::string const&)@GLIBCXX_3.4' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `std::ios_base::Init::~Init()@GLIBCXX_3.4' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `__cxa_pure_virtual@CXXABI_1.3' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `vtable for __cxxabiv1::__class_type_info@CXXABI_1.3' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `__cxa_rethrow@CXXABI_1.3' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `std::string::rfind(char const*, unsigned int, unsigned int) const@GLIBCXX_3.4' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `vtable for std::basic_stringbuf, std::allocator >@GLIBCXX_3.4' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `std::string::compare(char const*) const@GLIBCXX_3.4' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `std::locale::locale()@GLIBCXX_3.4' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `std::ostream& std::ostream::_M_insert(unsigned long)@GLIBCXX_3.4.9' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `std::_Rb_tree_increment(std::_Rb_tree_node_base const*)@GLIBCXX_3.4' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `std::ios_base::~ios_base()@GLIBCXX_3.4' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `vtable for std::basic_ios >@GLIBCXX_3.4' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `vtable for std::basic_stringstream, std::allocator >@GLIBCXX_3.4' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `std::basic_ostream >& std::__ostream_insert >(std::basic_ostream >&, char const*, int)@GLIBCXX_3.4.9' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `operator new(unsigned int, std::nothrow_t const&)@GLIBCXX_3.4' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `std::string::append(std::string const&)@GLIBCXX_3.4' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `std::__throw_bad_alloc()@GLIBCXX_3.4' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `std::string::rfind(char, unsigned int) const@GLIBCXX_3.4' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `operator new(unsigned int)@GLIBCXX_3.4' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `std::_Rb_tree_increment(std::_Rb_tree_node_base*)@GLIBCXX_3.4' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `std::ios_base::Init::Init()@GLIBCXX_3.4' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `__cxa_end_cleanup@CXXABI_1.3' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `std::nothrow@GLIBCXX_3.4' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `std::string::assign(std::string const&)@GLIBCXX_3.4' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `std::basic_string, std::allocator >::basic_string(char const*, std::allocator const&)@GLIBCXX_3.4' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `std::basic_ostringstream, std::allocator >::~basic_ostringstream()@GLIBCXX_3.4' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `std::_Rb_tree_rebalance_for_erase(std::_Rb_tree_node_base*, std::_Rb_tree_node_base&)@GLIBCXX_3.4' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `std::basic_iostream >::~basic_iostream()@GLIBCXX_3.4' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `__aeabi_atexit@CXXABI_ARM_1.3.3' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `std::string::assign(char const*, unsigned int)@GLIBCXX_3.4' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `std::terminate()@GLIBCXX_3.4' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `vtable for std::basic_ostringstream, std::allocator >@GLIBCXX_3.4' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `std::basic_ios >::init(std::basic_streambuf >*)@GLIBCXX_3.4' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `operator delete(void*)@GLIBCXX_3.4' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `std::ostream::operator<<(int)@GLIBCXX_3.4' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `std::string::_Rep::_S_empty_rep_storage@GLIBCXX_3.4' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `std::string::_Rep::_M_destroy(std::allocator const&)@GLIBCXX_3.4' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `std::string::find(char const*, unsigned int, unsigned int) const@GLIBCXX_3.4' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `std::_Rb_tree_insert_and_rebalance(bool, std::_Rb_tree_node_base*, std::_Rb_tree_node_base*, std::_Rb_tree_node_base&)@GLIBCXX_3.4' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `std::basic_stringstream, std::allocator >::~basic_stringstream()@GLIBCXX_3.4' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `std::string::_M_mutate(unsigned int, unsigned int, unsigned int)@GLIBCXX_3.4' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `std::__throw_out_of_range_fmt(char const*, ...)@GLIBCXX_3.4.20' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `vtable for std::basic_streambuf >@GLIBCXX_3.4' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `std::basic_string, std::allocator >::basic_string(char const*, unsigned int, std::allocator const&)@GLIBCXX_3.4' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `__cxa_begin_catch@CXXABI_1.3' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `std::ios_base::ios_base()@GLIBCXX_3.4' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `vtable for __cxxabiv1::__vmi_class_type_info@CXXABI_1.3' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `std::__throw_length_error(char const*)@GLIBCXX_3.4' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `std::string::_Rep::_S_create(unsigned int, unsigned int, std::allocator const&)@GLIBCXX_3.4' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `operator delete(void*, std::nothrow_t const&)@GLIBCXX_3.4' /usr/armv7a-softfloat-linux-gnueabi/usr/lib/libzmq.so: undefined reference to `std::_Rb_tree_decrement(std::_Rb_tree_node_base*)@GLIBCXX_3.4' collect2: error: ld returned 1 exit status make[2]: *** [Makefile:410: remctl] Error 1 make[2]: Leaving directory '/path/to/freeabode/fabd-cli' make[1]: *** [Makefile:413: all-recursive] Error 1 make[1]: Leaving directory '/path/to/freeabode' make: *** [Makefile:344: all] Error 2