Determining if the pthread_create exist failed with the following output: Change Dir: /home/husarion/ros_ws/build/CMakeFiles/CMakeTmp Run Build Command:"/usr/bin/make" "cmTC_be282/fast" /usr/bin/make -f CMakeFiles/cmTC_be282.dir/build.make CMakeFiles/cmTC_be282.dir/build make[1]: Entering directory '/home/husarion/ros_ws/build/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_be282.dir/CheckSymbolExists.c.o /usr/bin/cc -o CMakeFiles/cmTC_be282.dir/CheckSymbolExists.c.o -c /home/husarion/ros_ws/build/CMakeFiles/CMakeTmp/CheckSymbolExists.c Linking C executable cmTC_be282 /usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_be282.dir/link.txt --verbose=1 /usr/bin/cc -rdynamic CMakeFiles/cmTC_be282.dir/CheckSymbolExists.c.o -o cmTC_be282 CMakeFiles/cmTC_be282.dir/CheckSymbolExists.c.o: In function `main': CheckSymbolExists.c:(.text+0x1b): undefined reference to `pthread_create' collect2: error: ld returned 1 exit status CMakeFiles/cmTC_be282.dir/build.make:97: recipe for target 'cmTC_be282' failed make[1]: *** [cmTC_be282] Error 1 make[1]: Leaving directory '/home/husarion/ros_ws/build/CMakeFiles/CMakeTmp' Makefile:126: recipe for target 'cmTC_be282/fast' failed make: *** [cmTC_be282/fast] Error 2 File /home/husarion/ros_ws/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/husarion/ros_ws/build/CMakeFiles/CMakeTmp Run Build Command:"/usr/bin/make" "cmTC_2d2fc/fast" /usr/bin/make -f CMakeFiles/cmTC_2d2fc.dir/build.make CMakeFiles/cmTC_2d2fc.dir/build make[1]: Entering directory '/home/husarion/ros_ws/build/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_2d2fc.dir/CheckFunctionExists.c.o /usr/bin/cc -DCHECK_FUNCTION_EXISTS=pthread_create -o CMakeFiles/cmTC_2d2fc.dir/CheckFunctionExists.c.o -c /usr/share/cmake-3.10/Modules/CheckFunctionExists.c Linking C executable cmTC_2d2fc /usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_2d2fc.dir/link.txt --verbose=1 /usr/bin/cc -DCHECK_FUNCTION_EXISTS=pthread_create -rdynamic CMakeFiles/cmTC_2d2fc.dir/CheckFunctionExists.c.o -o cmTC_2d2fc -lpthreads /usr/bin/ld: cannot find -lpthreads collect2: error: ld returned 1 exit status CMakeFiles/cmTC_2d2fc.dir/build.make:97: recipe for target 'cmTC_2d2fc' failed make[1]: *** [cmTC_2d2fc] Error 1 make[1]: Leaving directory '/home/husarion/ros_ws/build/CMakeFiles/CMakeTmp' Makefile:126: recipe for target 'cmTC_2d2fc/fast' failed make: *** [cmTC_2d2fc/fast] Error 2