Performing C SOURCE FILE Test CMAKE_HAVE_LIBC_PTHREAD failed with the following output: Change Dir: /home/buildroot/autobuild/run/instance-0/output-1/build/gr-osmosdr-0.2.0/buildroot-build/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make cmTC_ead29/fast && make[1]: Entering directory `/home/buildroot/autobuild/run/instance-0/output-1/build/gr-osmosdr-0.2.0/buildroot-build/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_ead29.dir/build.make CMakeFiles/cmTC_ead29.dir/build make[2]: Entering directory `/home/buildroot/autobuild/run/instance-0/output-1/build/gr-osmosdr-0.2.0/buildroot-build/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_ead29.dir/src.c.o /home/buildroot/autobuild/run/instance-0/output-1/host/bin/aarch64-linux-gnu-gcc --sysroot=/home/buildroot/autobuild/run/instance-0/output-1/host/aarch64-buildroot-linux-gnu/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -D_FORTIFY_SOURCE=1 -DCMAKE_HAVE_LIBC_PTHREAD -DNDEBUG -o CMakeFiles/cmTC_ead29.dir/src.c.o -c /home/buildroot/autobuild/run/instance-0/output-1/build/gr-osmosdr-0.2.0/buildroot-build/CMakeFiles/CMakeTmp/src.c Linking C executable cmTC_ead29 /home/buildroot/autobuild/run/instance-0/output-1/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_ead29.dir/link.txt --verbose=1 /home/buildroot/autobuild/run/instance-0/output-1/host/bin/aarch64-linux-gnu-gcc --sysroot=/home/buildroot/autobuild/run/instance-0/output-1/host/aarch64-buildroot-linux-gnu/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -D_FORTIFY_SOURCE=1 -DCMAKE_HAVE_LIBC_PTHREAD -DNDEBUG CMakeFiles/cmTC_ead29.dir/src.c.o -o cmTC_ead29 CMakeFiles/cmTC_ead29.dir/src.c.o: In function `main': src.c:(.text.startup+0x2c): undefined reference to `pthread_create' src.c:(.text.startup+0x34): undefined reference to `pthread_detach' src.c:(.text.startup+0x40): undefined reference to `pthread_join' src.c:(.text.startup+0x50): undefined reference to `pthread_atfork' collect2: error: ld returned 1 exit status make[2]: *** [cmTC_ead29] Error 1 make[2]: Leaving directory `/home/buildroot/autobuild/run/instance-0/output-1/build/gr-osmosdr-0.2.0/buildroot-build/CMakeFiles/CMakeTmp' make[1]: *** [cmTC_ead29/fast] Error 2 make[1]: Leaving directory `/home/buildroot/autobuild/run/instance-0/output-1/build/gr-osmosdr-0.2.0/buildroot-build/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: /home/buildroot/autobuild/run/instance-0/output-1/build/gr-osmosdr-0.2.0/buildroot-build/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make cmTC_d0d09/fast && make[1]: Entering directory `/home/buildroot/autobuild/run/instance-0/output-1/build/gr-osmosdr-0.2.0/buildroot-build/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_d0d09.dir/build.make CMakeFiles/cmTC_d0d09.dir/build make[2]: Entering directory `/home/buildroot/autobuild/run/instance-0/output-1/build/gr-osmosdr-0.2.0/buildroot-build/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_d0d09.dir/CheckFunctionExists.c.o /home/buildroot/autobuild/run/instance-0/output-1/host/bin/aarch64-linux-gnu-gcc --sysroot=/home/buildroot/autobuild/run/instance-0/output-1/host/aarch64-buildroot-linux-gnu/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -D_FORTIFY_SOURCE=1 -DCHECK_FUNCTION_EXISTS=pthread_create -DNDEBUG -o CMakeFiles/cmTC_d0d09.dir/CheckFunctionExists.c.o -c /home/buildroot/autobuild/run/instance-0/output-1/host/share/cmake-3.15/Modules/CheckFunctionExists.c Linking C executable cmTC_d0d09 /home/buildroot/autobuild/run/instance-0/output-1/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_d0d09.dir/link.txt --verbose=1 /home/buildroot/autobuild/run/instance-0/output-1/host/bin/aarch64-linux-gnu-gcc --sysroot=/home/buildroot/autobuild/run/instance-0/output-1/host/aarch64-buildroot-linux-gnu/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -D_FORTIFY_SOURCE=1 -DCHECK_FUNCTION_EXISTS=pthread_create -DNDEBUG CMakeFiles/cmTC_d0d09.dir/CheckFunctionExists.c.o -o cmTC_d0d09 -lpthreads /home/buildroot/autobuild/run/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/aarch64-linux-gnu/7.3.1/../../../../aarch64-linux-gnu/bin/ld: cannot find -lpthreads collect2: error: ld returned 1 exit status make[2]: *** [cmTC_d0d09] Error 1 make[2]: Leaving directory `/home/buildroot/autobuild/run/instance-0/output-1/build/gr-osmosdr-0.2.0/buildroot-build/CMakeFiles/CMakeTmp' make[1]: *** [cmTC_d0d09/fast] Error 2 make[1]: Leaving directory `/home/buildroot/autobuild/run/instance-0/output-1/build/gr-osmosdr-0.2.0/buildroot-build/CMakeFiles/CMakeTmp' Performing C++ SOURCE FILE Test HAVE_MACH_ABSOLUTE_TIME failed with the following output: Change Dir: /home/buildroot/autobuild/run/instance-0/output-1/build/gr-osmosdr-0.2.0/buildroot-build/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make cmTC_20b47/fast && make[1]: Entering directory `/home/buildroot/autobuild/run/instance-0/output-1/build/gr-osmosdr-0.2.0/buildroot-build/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_20b47.dir/build.make CMakeFiles/cmTC_20b47.dir/build make[2]: Entering directory `/home/buildroot/autobuild/run/instance-0/output-1/build/gr-osmosdr-0.2.0/buildroot-build/CMakeFiles/CMakeTmp' Building CXX object CMakeFiles/cmTC_20b47.dir/src.cxx.o /home/buildroot/autobuild/run/instance-0/output-1/host/bin/aarch64-linux-gnu-g++ --sysroot=/home/buildroot/autobuild/run/instance-0/output-1/host/aarch64-buildroot-linux-gnu/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -D_FORTIFY_SOURCE=1 -DHAVE_MACH_ABSOLUTE_TIME -DNDEBUG -std=gnu++11 -o CMakeFiles/cmTC_20b47.dir/src.cxx.o -c /home/buildroot/autobuild/run/instance-0/output-1/build/gr-osmosdr-0.2.0/buildroot-build/CMakeFiles/CMakeTmp/src.cxx /home/buildroot/autobuild/run/instance-0/output-1/build/gr-osmosdr-0.2.0/buildroot-build/CMakeFiles/CMakeTmp/src.cxx:2:14: fatal error: mach/mach_time.h: No such file or directory #include ^~~~~~~~~~~~~~~~~~ compilation terminated. make[2]: *** [CMakeFiles/cmTC_20b47.dir/src.cxx.o] Error 1 make[2]: Leaving directory `/home/buildroot/autobuild/run/instance-0/output-1/build/gr-osmosdr-0.2.0/buildroot-build/CMakeFiles/CMakeTmp' make[1]: *** [cmTC_20b47/fast] Error 2 make[1]: Leaving directory `/home/buildroot/autobuild/run/instance-0/output-1/build/gr-osmosdr-0.2.0/buildroot-build/CMakeFiles/CMakeTmp' Source file was: #include int main(){ mach_timebase_info_data_t info; mach_timebase_info(&info); mach_absolute_time(); return 0; } Performing C++ SOURCE FILE Test HAVE_QUERY_PERFORMANCE_COUNTER failed with the following output: Change Dir: /home/buildroot/autobuild/run/instance-0/output-1/build/gr-osmosdr-0.2.0/buildroot-build/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make cmTC_c6af3/fast && make[1]: Entering directory `/home/buildroot/autobuild/run/instance-0/output-1/build/gr-osmosdr-0.2.0/buildroot-build/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_c6af3.dir/build.make CMakeFiles/cmTC_c6af3.dir/build make[2]: Entering directory `/home/buildroot/autobuild/run/instance-0/output-1/build/gr-osmosdr-0.2.0/buildroot-build/CMakeFiles/CMakeTmp' Building CXX object CMakeFiles/cmTC_c6af3.dir/src.cxx.o /home/buildroot/autobuild/run/instance-0/output-1/host/bin/aarch64-linux-gnu-g++ --sysroot=/home/buildroot/autobuild/run/instance-0/output-1/host/aarch64-buildroot-linux-gnu/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -D_FORTIFY_SOURCE=1 -DHAVE_QUERY_PERFORMANCE_COUNTER -DNDEBUG -std=gnu++11 -o CMakeFiles/cmTC_c6af3.dir/src.cxx.o -c /home/buildroot/autobuild/run/instance-0/output-1/build/gr-osmosdr-0.2.0/buildroot-build/CMakeFiles/CMakeTmp/src.cxx /home/buildroot/autobuild/run/instance-0/output-1/build/gr-osmosdr-0.2.0/buildroot-build/CMakeFiles/CMakeTmp/src.cxx:2:14: fatal error: Windows.h: No such file or directory #include ^~~~~~~~~~~ compilation terminated. make[2]: *** [CMakeFiles/cmTC_c6af3.dir/src.cxx.o] Error 1 make[2]: Leaving directory `/home/buildroot/autobuild/run/instance-0/output-1/build/gr-osmosdr-0.2.0/buildroot-build/CMakeFiles/CMakeTmp' make[1]: *** [cmTC_c6af3/fast] Error 2 make[1]: Leaving directory `/home/buildroot/autobuild/run/instance-0/output-1/build/gr-osmosdr-0.2.0/buildroot-build/CMakeFiles/CMakeTmp' Source file was: #include int main(){ LARGE_INTEGER value; QueryPerformanceCounter(&value); QueryPerformanceFrequency(&value); return 0; }