Performing C++ SOURCE FILE Test CMAKE_HAVE_LIBC_PTHREAD failed with the following output: Change Dir: /tmp/instance-1/output-1/build/log4cxx-0.12.0/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make cmTC_71dcf/fast && make[1]: Entering directory '/tmp/instance-1/output-1/build/log4cxx-0.12.0/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_71dcf.dir/build.make CMakeFiles/cmTC_71dcf.dir/build make[2]: Entering directory '/tmp/instance-1/output-1/build/log4cxx-0.12.0/CMakeFiles/CMakeTmp' Building CXX object CMakeFiles/cmTC_71dcf.dir/src.cxx.o /tmp/instance-1/output-1/per-package/log4cxx/host/bin/arm-none-linux-gnueabi-g++ --sysroot=/tmp/instance-1/output-1/per-package/log4cxx/host/arm-buildroot-linux-gnueabi/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -g0 -D_FORTIFY_SOURCE=1 -DCMAKE_HAVE_LIBC_PTHREAD -DNDEBUG -o CMakeFiles/cmTC_71dcf.dir/src.cxx.o -c /tmp/instance-1/output-1/build/log4cxx-0.12.0/CMakeFiles/CMakeTmp/src.cxx Linking CXX executable cmTC_71dcf /usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_71dcf.dir/link.txt --verbose=1 /tmp/instance-1/output-1/per-package/log4cxx/host/bin/arm-none-linux-gnueabi-g++ --sysroot=/tmp/instance-1/output-1/per-package/log4cxx/host/arm-buildroot-linux-gnueabi/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -g0 -D_FORTIFY_SOURCE=1 -DCMAKE_HAVE_LIBC_PTHREAD -DNDEBUG CMakeFiles/cmTC_71dcf.dir/src.cxx.o -o cmTC_71dcf CMakeFiles/cmTC_71dcf.dir/src.cxx.o: In function `main': src.cxx:(.text.startup+0x18): undefined reference to `pthread_create' src.cxx:(.text.startup+0x20): undefined reference to `pthread_detach' src.cxx:(.text.startup+0x2c): undefined reference to `pthread_join' src.cxx:(.text.startup+0x3c): undefined reference to `pthread_atfork' collect2: error: ld returned 1 exit status make[2]: *** [CMakeFiles/cmTC_71dcf.dir/build.make:87: cmTC_71dcf] Error 1 make[2]: Leaving directory '/tmp/instance-1/output-1/build/log4cxx-0.12.0/CMakeFiles/CMakeTmp' make[1]: *** [Makefile:121: cmTC_71dcf/fast] Error 2 make[1]: Leaving directory '/tmp/instance-1/output-1/build/log4cxx-0.12.0/CMakeFiles/CMakeTmp' Source file was: #include void* test_func(void* data) { return data; } int main(void) { pthread_t thread; pthread_create(&thread, NULL, test_func, NULL); pthread_detach(thread); pthread_join(thread, NULL); pthread_atfork(NULL, NULL, NULL); pthread_exit(NULL); return 0; } Determining if the function pthread_create exists in the pthreads failed with the following output: Change Dir: /tmp/instance-1/output-1/build/log4cxx-0.12.0/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make cmTC_50b93/fast && make[1]: Entering directory '/tmp/instance-1/output-1/build/log4cxx-0.12.0/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_50b93.dir/build.make CMakeFiles/cmTC_50b93.dir/build make[2]: Entering directory '/tmp/instance-1/output-1/build/log4cxx-0.12.0/CMakeFiles/CMakeTmp' Building CXX object CMakeFiles/cmTC_50b93.dir/CheckFunctionExists.cxx.o /tmp/instance-1/output-1/per-package/log4cxx/host/bin/arm-none-linux-gnueabi-g++ --sysroot=/tmp/instance-1/output-1/per-package/log4cxx/host/arm-buildroot-linux-gnueabi/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -g0 -D_FORTIFY_SOURCE=1 -DCHECK_FUNCTION_EXISTS=pthread_create -DNDEBUG -o CMakeFiles/cmTC_50b93.dir/CheckFunctionExists.cxx.o -c /tmp/instance-1/output-1/build/log4cxx-0.12.0/CMakeFiles/CheckLibraryExists/CheckFunctionExists.cxx Linking CXX executable cmTC_50b93 /usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_50b93.dir/link.txt --verbose=1 /tmp/instance-1/output-1/per-package/log4cxx/host/bin/arm-none-linux-gnueabi-g++ --sysroot=/tmp/instance-1/output-1/per-package/log4cxx/host/arm-buildroot-linux-gnueabi/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -g0 -D_FORTIFY_SOURCE=1 -DCHECK_FUNCTION_EXISTS=pthread_create -DNDEBUG CMakeFiles/cmTC_50b93.dir/CheckFunctionExists.cxx.o -o cmTC_50b93 -lpthreads /tmp/instance-1/output-1/per-package/log4cxx/host/opt/ext-toolchain/bin/../lib/gcc/arm-none-linux-gnueabi/4.8.3/../../../../arm-none-linux-gnueabi/bin/ld: cannot find -lpthreads collect2: error: ld returned 1 exit status make[2]: *** [CMakeFiles/cmTC_50b93.dir/build.make:87: cmTC_50b93] Error 1 make[2]: Leaving directory '/tmp/instance-1/output-1/build/log4cxx-0.12.0/CMakeFiles/CMakeTmp' make[1]: *** [Makefile:121: cmTC_50b93/fast] Error 2 make[1]: Leaving directory '/tmp/instance-1/output-1/build/log4cxx-0.12.0/CMakeFiles/CMakeTmp' Determining if the function smtp_create_session exists in the esmtp failed with the following output: Change Dir: /tmp/instance-1/output-1/build/log4cxx-0.12.0/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make cmTC_8ea07/fast && make[1]: Entering directory '/tmp/instance-1/output-1/build/log4cxx-0.12.0/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_8ea07.dir/build.make CMakeFiles/cmTC_8ea07.dir/build make[2]: Entering directory '/tmp/instance-1/output-1/build/log4cxx-0.12.0/CMakeFiles/CMakeTmp' Building CXX object CMakeFiles/cmTC_8ea07.dir/CheckFunctionExists.cxx.o /tmp/instance-1/output-1/per-package/log4cxx/host/bin/arm-none-linux-gnueabi-g++ --sysroot=/tmp/instance-1/output-1/per-package/log4cxx/host/arm-buildroot-linux-gnueabi/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -g0 -D_FORTIFY_SOURCE=1 -DCHECK_FUNCTION_EXISTS=smtp_create_session -DNDEBUG -std=gnu++1y -o CMakeFiles/cmTC_8ea07.dir/CheckFunctionExists.cxx.o -c /tmp/instance-1/output-1/build/log4cxx-0.12.0/CMakeFiles/CheckLibraryExists/CheckFunctionExists.cxx Linking CXX executable cmTC_8ea07 /usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_8ea07.dir/link.txt --verbose=1 /tmp/instance-1/output-1/per-package/log4cxx/host/bin/arm-none-linux-gnueabi-g++ --sysroot=/tmp/instance-1/output-1/per-package/log4cxx/host/arm-buildroot-linux-gnueabi/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -g0 -D_FORTIFY_SOURCE=1 -DCHECK_FUNCTION_EXISTS=smtp_create_session -DNDEBUG CMakeFiles/cmTC_8ea07.dir/CheckFunctionExists.cxx.o -o cmTC_8ea07 -lesmtp /tmp/instance-1/output-1/per-package/log4cxx/host/opt/ext-toolchain/bin/../lib/gcc/arm-none-linux-gnueabi/4.8.3/../../../../arm-none-linux-gnueabi/bin/ld: cannot find -lesmtp collect2: error: ld returned 1 exit status make[2]: *** [CMakeFiles/cmTC_8ea07.dir/build.make:87: cmTC_8ea07] Error 1 make[2]: Leaving directory '/tmp/instance-1/output-1/build/log4cxx-0.12.0/CMakeFiles/CMakeTmp' make[1]: *** [Makefile:121: cmTC_8ea07/fast] Error 2 make[1]: Leaving directory '/tmp/instance-1/output-1/build/log4cxx-0.12.0/CMakeFiles/CMakeTmp'