Determining if the pthread_setname_np exist failed with the following output: Change Dir: /nvmedata/autobuild/instance-7/output-1/build/host-grpc-v1.16.1/CMakeFiles/CMakeTmp Run Build Command:"/usr/bin/make" "cmTC_380f7/fast" make[1]: Entering directory '/nvmedata/autobuild/instance-7/output-1/build/host-grpc-v1.16.1/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_380f7.dir/build.make CMakeFiles/cmTC_380f7.dir/build make[2]: Entering directory '/nvmedata/autobuild/instance-7/output-1/build/host-grpc-v1.16.1/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_380f7.dir/CheckSymbolExists.c.o /usr/bin/gcc -O2 -I/nvmedata/autobuild/instance-7/output-1/host/include -fPIE -o CMakeFiles/cmTC_380f7.dir/CheckSymbolExists.c.o -c /nvmedata/autobuild/instance-7/output-1/build/host-grpc-v1.16.1/CMakeFiles/CMakeTmp/CheckSymbolExists.c /nvmedata/autobuild/instance-7/output-1/build/host-grpc-v1.16.1/CMakeFiles/CMakeTmp/CheckSymbolExists.c: In function 'main': /nvmedata/autobuild/instance-7/output-1/build/host-grpc-v1.16.1/CMakeFiles/CMakeTmp/CheckSymbolExists.c:8:19: error: 'pthread_setname_np' undeclared (first use in this function); did you mean 'pthread_setcanceltype'? 8 | return ((int*)(&pthread_setname_np))[argc]; | ^~~~~~~~~~~~~~~~~~ | pthread_setcanceltype /nvmedata/autobuild/instance-7/output-1/build/host-grpc-v1.16.1/CMakeFiles/CMakeTmp/CheckSymbolExists.c:8:19: note: each undeclared identifier is reported only once for each function it appears in make[2]: *** [CMakeFiles/cmTC_380f7.dir/build.make:66: CMakeFiles/cmTC_380f7.dir/CheckSymbolExists.c.o] Error 1 make[2]: Leaving directory '/nvmedata/autobuild/instance-7/output-1/build/host-grpc-v1.16.1/CMakeFiles/CMakeTmp' make[1]: *** [Makefile:121: cmTC_380f7/fast] Error 2 make[1]: Leaving directory '/nvmedata/autobuild/instance-7/output-1/build/host-grpc-v1.16.1/CMakeFiles/CMakeTmp' File /nvmedata/autobuild/instance-7/output-1/build/host-grpc-v1.16.1/CMakeFiles/CMakeTmp/CheckSymbolExists.c: /* */ #include int main(int argc, char** argv) { (void)argv; #ifndef pthread_setname_np return ((int*)(&pthread_setname_np))[argc]; #else (void)argc; return 0; #endif } Determining if the pthread_create exist failed with the following output: Change Dir: /nvmedata/autobuild/instance-7/output-1/build/host-grpc-v1.16.1/CMakeFiles/CMakeTmp Run Build Command:"/usr/bin/make" "cmTC_c11cb/fast" make[1]: Entering directory '/nvmedata/autobuild/instance-7/output-1/build/host-grpc-v1.16.1/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_c11cb.dir/build.make CMakeFiles/cmTC_c11cb.dir/build make[2]: Entering directory '/nvmedata/autobuild/instance-7/output-1/build/host-grpc-v1.16.1/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_c11cb.dir/CheckSymbolExists.c.o /usr/bin/gcc -O2 -I/nvmedata/autobuild/instance-7/output-1/host/include -fPIE -o CMakeFiles/cmTC_c11cb.dir/CheckSymbolExists.c.o -c /nvmedata/autobuild/instance-7/output-1/build/host-grpc-v1.16.1/CMakeFiles/CMakeTmp/CheckSymbolExists.c Linking C executable cmTC_c11cb /usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_c11cb.dir/link.txt --verbose=1 /usr/bin/gcc -O2 -I/nvmedata/autobuild/instance-7/output-1/host/include -rdynamic CMakeFiles/cmTC_c11cb.dir/CheckSymbolExists.c.o -o cmTC_c11cb /usr/bin/ld: CMakeFiles/cmTC_c11cb.dir/CheckSymbolExists.c.o: in function `main': CheckSymbolExists.c:(.text.startup+0x7): undefined reference to `pthread_create' collect2: error: ld returned 1 exit status make[2]: *** [CMakeFiles/cmTC_c11cb.dir/build.make:87: cmTC_c11cb] Error 1 make[2]: Leaving directory '/nvmedata/autobuild/instance-7/output-1/build/host-grpc-v1.16.1/CMakeFiles/CMakeTmp' make[1]: *** [Makefile:121: cmTC_c11cb/fast] Error 2 make[1]: Leaving directory '/nvmedata/autobuild/instance-7/output-1/build/host-grpc-v1.16.1/CMakeFiles/CMakeTmp' File /nvmedata/autobuild/instance-7/output-1/build/host-grpc-v1.16.1/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: /nvmedata/autobuild/instance-7/output-1/build/host-grpc-v1.16.1/CMakeFiles/CMakeTmp Run Build Command:"/usr/bin/make" "cmTC_fdad2/fast" make[1]: Entering directory '/nvmedata/autobuild/instance-7/output-1/build/host-grpc-v1.16.1/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_fdad2.dir/build.make CMakeFiles/cmTC_fdad2.dir/build make[2]: Entering directory '/nvmedata/autobuild/instance-7/output-1/build/host-grpc-v1.16.1/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_fdad2.dir/CheckFunctionExists.c.o /usr/bin/gcc -O2 -I/nvmedata/autobuild/instance-7/output-1/host/include -DCHECK_FUNCTION_EXISTS=pthread_create -fPIE -o CMakeFiles/cmTC_fdad2.dir/CheckFunctionExists.c.o -c /usr/share/cmake-3.13/Modules/CheckFunctionExists.c Linking C executable cmTC_fdad2 /usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_fdad2.dir/link.txt --verbose=1 /usr/bin/gcc -O2 -I/nvmedata/autobuild/instance-7/output-1/host/include -DCHECK_FUNCTION_EXISTS=pthread_create -rdynamic CMakeFiles/cmTC_fdad2.dir/CheckFunctionExists.c.o -o cmTC_fdad2 -lpthreads /usr/bin/ld: cannot find -lpthreads collect2: error: ld returned 1 exit status make[2]: *** [CMakeFiles/cmTC_fdad2.dir/build.make:87: cmTC_fdad2] Error 1 make[2]: Leaving directory '/nvmedata/autobuild/instance-7/output-1/build/host-grpc-v1.16.1/CMakeFiles/CMakeTmp' make[1]: *** [Makefile:121: cmTC_fdad2/fast] Error 2 make[1]: Leaving directory '/nvmedata/autobuild/instance-7/output-1/build/host-grpc-v1.16.1/CMakeFiles/CMakeTmp'