Performing C SOURCE FILE Test CMAKE_HAVE_LIBC_PTHREAD failed with the following output:

Change Dir: /home/andre/SOURCES/gr-iridium/build/CMakeFiles/CMakeTmp

 

Run Build Command(s):/usr/bin/gmake cmTC_3c653/fast && /usr/bin/gmake  -f CMakeFiles/cmTC_3c653.dir/build.make CMakeFiles/cmTC_3c653.dir/build

gmake[1]: Entering directory '/home/andre/SOURCES/gr-iridium/build/CMakeFiles/CMakeTmp'

Building C object CMakeFiles/cmTC_3c653.dir/src.c.o

/usr/bin/cc   -DCMAKE_HAVE_LIBC_PTHREAD   -std=gnu11 -o CMakeFiles/cmTC_3c653.dir/src.c.o   -c /home/andre/SOURCES/gr-iridium/build/CMakeFiles/CMakeTmp/src.c

Linking C executable cmTC_3c653

/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_3c653.dir/link.txt --verbose=1

/usr/bin/cc  -DCMAKE_HAVE_LIBC_PTHREAD    CMakeFiles/cmTC_3c653.dir/src.c.o  -o cmTC_3c653

/usr/bin/ld: CMakeFiles/cmTC_3c653.dir/src.c.o: in function `main':

src.c:(.text+0x2b): undefined reference to `pthread_create'

/usr/bin/ld: src.c:(.text+0x34): undefined reference to `pthread_detach'

/usr/bin/ld: src.c:(.text+0x3d): undefined reference to `pthread_cancel'

/usr/bin/ld: src.c:(.text+0x4b): undefined reference to `pthread_join'

collect2: error: ld returned 1 exit status

gmake[1]: *** [CMakeFiles/cmTC_3c653.dir/build.make:107: cmTC_3c653] Error 1

gmake[1]: Leaving directory '/home/andre/SOURCES/gr-iridium/build/CMakeFiles/CMakeTmp'

gmake: *** [Makefile:141: cmTC_3c653/fast] Error 2

 

 

Source file was:

#include <pthread.h>

 

void* test_func(void* data)

{

  return data;

}

 

int main(void)

{

  pthread_t thread;

  pthread_create(&thread, NULL, test_func, NULL);

  pthread_detach(thread);

  pthread_cancel(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/andre/SOURCES/gr-iridium/build/CMakeFiles/CMakeTmp

 

Run Build Command(s):/usr/bin/gmake cmTC_4955b/fast && /usr/bin/gmake  -f CMakeFiles/cmTC_4955b.dir/build.make CMakeFiles/cmTC_4955b.dir/build

gmake[1]: Entering directory '/home/andre/SOURCES/gr-iridium/build/CMakeFiles/CMakeTmp'

Building C object CMakeFiles/cmTC_4955b.dir/CheckFunctionExists.c.o

/usr/bin/cc   -DCHECK_FUNCTION_EXISTS=pthread_create   -std=gnu11 -o CMakeFiles/cmTC_4955b.dir/CheckFunctionExists.c.o   -c /usr/share/cmake-3.17/Modules/CheckFunctionExists.c

Linking C executable cmTC_4955b

/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_4955b.dir/link.txt --verbose=1

/usr/bin/cc  -DCHECK_FUNCTION_EXISTS=pthread_create    CMakeFiles/cmTC_4955b.dir/CheckFunctionExists.c.o  -o cmTC_4955b  -lpthreads

/usr/bin/ld: cannot find -lpthreads

collect2: error: ld returned 1 exit status

gmake[1]: *** [CMakeFiles/cmTC_4955b.dir/build.make:107: cmTC_4955b] Error 1

gmake[1]: Leaving directory '/home/andre/SOURCES/gr-iridium/build/CMakeFiles/CMakeTmp'

gmake: *** [Makefile:141: cmTC_4955b/fast] Error 2