Determining if the pthread_create exist failed with the following output: Change Dir: /home/peko/autobuild/instance-0/output-1/build/gr-osmosdr-0.2.0/buildroot-build/CMakeFiles/CMakeTmp Run Build Command:"/usr/bin/make" "cmTC_6be59/fast" make[1]: Entering directory '/home/peko/autobuild/instance-0/output-1/build/gr-osmosdr-0.2.0/buildroot-build/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_6be59.dir/build.make CMakeFiles/cmTC_6be59.dir/build make[2]: Entering directory '/home/peko/autobuild/instance-0/output-1/build/gr-osmosdr-0.2.0/buildroot-build/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_6be59.dir/CheckSymbolExists.c.o /home/peko/autobuild/instance-0/output-1/host/bin/aarch64-none-linux-gnu-gcc --sysroot=/home/peko/autobuild/instance-0/output-1/host/aarch64-buildroot-linux-gnu/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -DNDEBUG -o CMakeFiles/cmTC_6be59.dir/CheckSymbolExists.c.o -c /home/peko/autobuild/instance-0/output-1/build/gr-osmosdr-0.2.0/buildroot-build/CMakeFiles/CMakeTmp/CheckSymbolExists.c Linking C executable cmTC_6be59 /usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_6be59.dir/link.txt --verbose=1 /home/peko/autobuild/instance-0/output-1/host/bin/aarch64-none-linux-gnu-gcc --sysroot=/home/peko/autobuild/instance-0/output-1/host/aarch64-buildroot-linux-gnu/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -DNDEBUG CMakeFiles/cmTC_6be59.dir/CheckSymbolExists.c.o -o cmTC_6be59 /home/peko/autobuild/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/aarch64-none-linux-gnu/9.2.1/../../../../aarch64-none-linux-gnu/bin/ld: CMakeFiles/cmTC_6be59.dir/CheckSymbolExists.c.o: in function `main': CheckSymbolExists.c:(.text.startup+0x1c): undefined reference to `pthread_create' /home/peko/autobuild/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/aarch64-none-linux-gnu/9.2.1/../../../../aarch64-none-linux-gnu/bin/ld: CheckSymbolExists.c:(.text.startup+0x20): undefined reference to `pthread_create' collect2: error: ld returned 1 exit status make[2]: *** [CMakeFiles/cmTC_6be59.dir/build.make:87: cmTC_6be59] Error 1 make[2]: Leaving directory '/home/peko/autobuild/instance-0/output-1/build/gr-osmosdr-0.2.0/buildroot-build/CMakeFiles/CMakeTmp' make[1]: *** [Makefile:121: cmTC_6be59/fast] Error 2 make[1]: Leaving directory '/home/peko/autobuild/instance-0/output-1/build/gr-osmosdr-0.2.0/buildroot-build/CMakeFiles/CMakeTmp' File /home/peko/autobuild/instance-0/output-1/build/gr-osmosdr-0.2.0/buildroot-build/CMakeFiles/CMakeTmp/CheckSymbolExists.c: /* */ #include int main(int argc, char** argv) { (void)argv; #ifndef pthread_create return ((int*)(&pthread_create))[argc]; #else (void)argc; return 0; #endif } Determining if the function pthread_create exists in the pthreads failed with the following output: Change Dir: /home/peko/autobuild/instance-0/output-1/build/gr-osmosdr-0.2.0/buildroot-build/CMakeFiles/CMakeTmp Run Build Command:"/usr/bin/make" "cmTC_ec46e/fast" make[1]: Entering directory '/home/peko/autobuild/instance-0/output-1/build/gr-osmosdr-0.2.0/buildroot-build/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_ec46e.dir/build.make CMakeFiles/cmTC_ec46e.dir/build make[2]: Entering directory '/home/peko/autobuild/instance-0/output-1/build/gr-osmosdr-0.2.0/buildroot-build/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_ec46e.dir/CheckFunctionExists.c.o /home/peko/autobuild/instance-0/output-1/host/bin/aarch64-none-linux-gnu-gcc --sysroot=/home/peko/autobuild/instance-0/output-1/host/aarch64-buildroot-linux-gnu/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -DCHECK_FUNCTION_EXISTS=pthread_create -DNDEBUG -o CMakeFiles/cmTC_ec46e.dir/CheckFunctionExists.c.o -c /usr/share/cmake-3.13/Modules/CheckFunctionExists.c Linking C executable cmTC_ec46e /usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_ec46e.dir/link.txt --verbose=1 /home/peko/autobuild/instance-0/output-1/host/bin/aarch64-none-linux-gnu-gcc --sysroot=/home/peko/autobuild/instance-0/output-1/host/aarch64-buildroot-linux-gnu/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -DCHECK_FUNCTION_EXISTS=pthread_create -DNDEBUG CMakeFiles/cmTC_ec46e.dir/CheckFunctionExists.c.o -o cmTC_ec46e -lpthreads /home/peko/autobuild/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/aarch64-none-linux-gnu/9.2.1/../../../../aarch64-none-linux-gnu/bin/ld: cannot find -lpthreads collect2: error: ld returned 1 exit status make[2]: *** [CMakeFiles/cmTC_ec46e.dir/build.make:87: cmTC_ec46e] Error 1 make[2]: Leaving directory '/home/peko/autobuild/instance-0/output-1/build/gr-osmosdr-0.2.0/buildroot-build/CMakeFiles/CMakeTmp' make[1]: *** [Makefile:121: cmTC_ec46e/fast] Error 2 make[1]: Leaving directory '/home/peko/autobuild/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/peko/autobuild/instance-0/output-1/build/gr-osmosdr-0.2.0/buildroot-build/CMakeFiles/CMakeTmp Run Build Command:"/usr/bin/make" "cmTC_5cd56/fast" make[1]: Entering directory '/home/peko/autobuild/instance-0/output-1/build/gr-osmosdr-0.2.0/buildroot-build/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_5cd56.dir/build.make CMakeFiles/cmTC_5cd56.dir/build make[2]: Entering directory '/home/peko/autobuild/instance-0/output-1/build/gr-osmosdr-0.2.0/buildroot-build/CMakeFiles/CMakeTmp' Building CXX object CMakeFiles/cmTC_5cd56.dir/src.cxx.o /home/peko/autobuild/instance-0/output-1/host/bin/aarch64-none-linux-gnu-g++ --sysroot=/home/peko/autobuild/instance-0/output-1/host/aarch64-buildroot-linux-gnu/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -DHAVE_MACH_ABSOLUTE_TIME -DNDEBUG -std=gnu++11 -o CMakeFiles/cmTC_5cd56.dir/src.cxx.o -c /home/peko/autobuild/instance-0/output-1/build/gr-osmosdr-0.2.0/buildroot-build/CMakeFiles/CMakeTmp/src.cxx /home/peko/autobuild/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 2 | #include | ^~~~~~~~~~~~~~~~~~ compilation terminated. make[2]: *** [CMakeFiles/cmTC_5cd56.dir/build.make:66: CMakeFiles/cmTC_5cd56.dir/src.cxx.o] Error 1 make[2]: Leaving directory '/home/peko/autobuild/instance-0/output-1/build/gr-osmosdr-0.2.0/buildroot-build/CMakeFiles/CMakeTmp' make[1]: *** [Makefile:121: cmTC_5cd56/fast] Error 2 make[1]: Leaving directory '/home/peko/autobuild/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/peko/autobuild/instance-0/output-1/build/gr-osmosdr-0.2.0/buildroot-build/CMakeFiles/CMakeTmp Run Build Command:"/usr/bin/make" "cmTC_5d306/fast" make[1]: Entering directory '/home/peko/autobuild/instance-0/output-1/build/gr-osmosdr-0.2.0/buildroot-build/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_5d306.dir/build.make CMakeFiles/cmTC_5d306.dir/build make[2]: Entering directory '/home/peko/autobuild/instance-0/output-1/build/gr-osmosdr-0.2.0/buildroot-build/CMakeFiles/CMakeTmp' Building CXX object CMakeFiles/cmTC_5d306.dir/src.cxx.o /home/peko/autobuild/instance-0/output-1/host/bin/aarch64-none-linux-gnu-g++ --sysroot=/home/peko/autobuild/instance-0/output-1/host/aarch64-buildroot-linux-gnu/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -DHAVE_QUERY_PERFORMANCE_COUNTER -DNDEBUG -std=gnu++11 -o CMakeFiles/cmTC_5d306.dir/src.cxx.o -c /home/peko/autobuild/instance-0/output-1/build/gr-osmosdr-0.2.0/buildroot-build/CMakeFiles/CMakeTmp/src.cxx /home/peko/autobuild/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 2 | #include | ^~~~~~~~~~~ compilation terminated. make[2]: *** [CMakeFiles/cmTC_5d306.dir/build.make:66: CMakeFiles/cmTC_5d306.dir/src.cxx.o] Error 1 make[2]: Leaving directory '/home/peko/autobuild/instance-0/output-1/build/gr-osmosdr-0.2.0/buildroot-build/CMakeFiles/CMakeTmp' make[1]: *** [Makefile:121: cmTC_5d306/fast] Error 2 make[1]: Leaving directory '/home/peko/autobuild/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; }