Performing C SOURCE FILE Test CMAKE_HAVE_LIBC_PTHREAD failed with the following output: Change Dir: /srv/storage/autobuild/run/instance-0/output-1/build/libplatform-a7cd0d5780ed80a4e70480d1650749f29e8a1fb2/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make cmTC_cc753/fast && make[1]: Entering directory '/srv/storage/autobuild/run/instance-0/output-1/build/libplatform-a7cd0d5780ed80a4e70480d1650749f29e8a1fb2/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_cc753.dir/build.make CMakeFiles/cmTC_cc753.dir/build make[2]: Entering directory '/srv/storage/autobuild/run/instance-0/output-1/build/libplatform-a7cd0d5780ed80a4e70480d1650749f29e8a1fb2/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_cc753.dir/src.c.o /srv/storage/autobuild/run/instance-0/output-1/host/bin/mips-linux-gnu-gcc --sysroot=/srv/storage/autobuild/run/instance-0/output-1/host/mips64el-buildroot-linux-gnu/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -g2 -DCMAKE_HAVE_LIBC_PTHREAD -o CMakeFiles/cmTC_cc753.dir/src.c.o -c /srv/storage/autobuild/run/instance-0/output-1/build/libplatform-a7cd0d5780ed80a4e70480d1650749f29e8a1fb2/CMakeFiles/CMakeTmp/src.c Linking C executable cmTC_cc753 /srv/storage/autobuild/run/instance-0/output-1/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_cc753.dir/link.txt --verbose=1 /srv/storage/autobuild/run/instance-0/output-1/host/bin/mips-linux-gnu-gcc --sysroot=/srv/storage/autobuild/run/instance-0/output-1/host/mips64el-buildroot-linux-gnu/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -g2 -DCMAKE_HAVE_LIBC_PTHREAD CMakeFiles/cmTC_cc753.dir/src.c.o -o cmTC_cc753 CMakeFiles/cmTC_cc753.dir/src.c.o: In function `main': /srv/storage/autobuild/run/instance-0/output-1/build/libplatform-a7cd0d5780ed80a4e70480d1650749f29e8a1fb2/CMakeFiles/CMakeTmp/src.c:11: undefined reference to `pthread_create' /srv/storage/autobuild/run/instance-0/output-1/build/libplatform-a7cd0d5780ed80a4e70480d1650749f29e8a1fb2/CMakeFiles/CMakeTmp/src.c:11: undefined reference to `pthread_create' /srv/storage/autobuild/run/instance-0/output-1/build/libplatform-a7cd0d5780ed80a4e70480d1650749f29e8a1fb2/CMakeFiles/CMakeTmp/src.c:12: undefined reference to `pthread_detach' /srv/storage/autobuild/run/instance-0/output-1/build/libplatform-a7cd0d5780ed80a4e70480d1650749f29e8a1fb2/CMakeFiles/CMakeTmp/src.c:12: undefined reference to `pthread_detach' /srv/storage/autobuild/run/instance-0/output-1/build/libplatform-a7cd0d5780ed80a4e70480d1650749f29e8a1fb2/CMakeFiles/CMakeTmp/src.c:13: undefined reference to `pthread_join' /srv/storage/autobuild/run/instance-0/output-1/build/libplatform-a7cd0d5780ed80a4e70480d1650749f29e8a1fb2/CMakeFiles/CMakeTmp/src.c:13: undefined reference to `pthread_join' /srv/storage/autobuild/run/instance-0/output-1/build/libplatform-a7cd0d5780ed80a4e70480d1650749f29e8a1fb2/CMakeFiles/CMakeTmp/src.c:14: undefined reference to `pthread_atfork' /srv/storage/autobuild/run/instance-0/output-1/build/libplatform-a7cd0d5780ed80a4e70480d1650749f29e8a1fb2/CMakeFiles/CMakeTmp/src.c:14: undefined reference to `pthread_atfork' collect2: error: ld returned 1 exit status make[2]: *** [CMakeFiles/cmTC_cc753.dir/build.make:87: cmTC_cc753] Error 1 make[2]: Leaving directory '/srv/storage/autobuild/run/instance-0/output-1/build/libplatform-a7cd0d5780ed80a4e70480d1650749f29e8a1fb2/CMakeFiles/CMakeTmp' make[1]: *** [Makefile:121: cmTC_cc753/fast] Error 2 make[1]: Leaving directory '/srv/storage/autobuild/run/instance-0/output-1/build/libplatform-a7cd0d5780ed80a4e70480d1650749f29e8a1fb2/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: /srv/storage/autobuild/run/instance-0/output-1/build/libplatform-a7cd0d5780ed80a4e70480d1650749f29e8a1fb2/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make cmTC_99290/fast && make[1]: Entering directory '/srv/storage/autobuild/run/instance-0/output-1/build/libplatform-a7cd0d5780ed80a4e70480d1650749f29e8a1fb2/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_99290.dir/build.make CMakeFiles/cmTC_99290.dir/build make[2]: Entering directory '/srv/storage/autobuild/run/instance-0/output-1/build/libplatform-a7cd0d5780ed80a4e70480d1650749f29e8a1fb2/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_99290.dir/CheckFunctionExists.c.o /srv/storage/autobuild/run/instance-0/output-1/host/bin/mips-linux-gnu-gcc --sysroot=/srv/storage/autobuild/run/instance-0/output-1/host/mips64el-buildroot-linux-gnu/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -g2 -DCHECK_FUNCTION_EXISTS=pthread_create -o CMakeFiles/cmTC_99290.dir/CheckFunctionExists.c.o -c /srv/storage/autobuild/run/instance-0/output-1/host/share/cmake-3.15/Modules/CheckFunctionExists.c Linking C executable cmTC_99290 /srv/storage/autobuild/run/instance-0/output-1/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_99290.dir/link.txt --verbose=1 /srv/storage/autobuild/run/instance-0/output-1/host/bin/mips-linux-gnu-gcc --sysroot=/srv/storage/autobuild/run/instance-0/output-1/host/mips64el-buildroot-linux-gnu/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -g2 -DCHECK_FUNCTION_EXISTS=pthread_create CMakeFiles/cmTC_99290.dir/CheckFunctionExists.c.o -o cmTC_99290 -lpthreads /srv/storage/autobuild/run/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/mips-linux-gnu/5.3.0/../../../../mips-linux-gnu/bin/ld: cannot find -lpthreads collect2: error: ld returned 1 exit status make[2]: *** [CMakeFiles/cmTC_99290.dir/build.make:87: cmTC_99290] Error 1 make[2]: Leaving directory '/srv/storage/autobuild/run/instance-0/output-1/build/libplatform-a7cd0d5780ed80a4e70480d1650749f29e8a1fb2/CMakeFiles/CMakeTmp' make[1]: *** [Makefile:121: cmTC_99290/fast] Error 2 make[1]: Leaving directory '/srv/storage/autobuild/run/instance-0/output-1/build/libplatform-a7cd0d5780ed80a4e70480d1650749f29e8a1fb2/CMakeFiles/CMakeTmp'