Can anyone give me some pointers on how to get out of this :---
Performing C SOURCE FILE Test CMAKE_HAVE_LIBC_PTHREAD failed with the following output:
Change Dir: /home/davide/Projects/bc/CMakeFiles/CMakeTmp
Run Build Command(s):/usr/bin/gmake cmTC_89258/fast && /usr/bin/gmake -f CMakeFiles/cmTC_89258.dir/build.make CMakeFiles/cmTC_89258.dir/build
gmake[1]: Entering directory '/home/davide/Projects/bc/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_89258.dir/src.c.o
/usr/bin/cc -DCMAKE_HAVE_LIBC_PTHREAD -o CMakeFiles/cmTC_89258.dir/src.c.o -c /home/davide/Projects/bc/CMakeFiles/CMakeTmp/src.c
Linking C executable cmTC_89258
/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_89258.dir/link.txt --verbose=1
/usr/bin/cc -DCMAKE_HAVE_LIBC_PTHREAD -rdynamic CMakeFiles/cmTC_89258.dir/src.c.o -o cmTC_89258
/usr/bin/ld: CMakeFiles/cmTC_89258.dir/src.c.o: in function `main':
src.c:(.text+0x2d): undefined reference to `pthread_create'
/usr/bin/ld: src.c:(.text+0x39): undefined reference to `pthread_detach'
/usr/bin/ld: src.c:(.text+0x45): undefined reference to `pthread_cancel'
/usr/bin/ld: src.c:(.text+0x56): undefined reference to `pthread_join'
collect2: error: ld returned 1 exit status
gmake[1]: *** [CMakeFiles/cmTC_89258.dir/build.make:107: cmTC_89258] Error 1
gmake[1]: Leaving directory '/home/davide/Projects/bc/CMakeFiles/CMakeTmp'
gmake: *** [Makefile:141: cmTC_89258/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/davide/Projects/bc/CMakeFiles/CMakeTmp
Run Build Command(s):/usr/bin/gmake cmTC_2f8c7/fast && /usr/bin/gmake -f CMakeFiles/cmTC_2f8c7.dir/build.make CMakeFiles/cmTC_2f8c7.dir/build
gmake[1]: Entering directory '/home/davide/Projects/bc/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_2f8c7.dir/CheckFunctionExists.c.o
/usr/bin/cc -DCHECK_FUNCTION_EXISTS=pthread_create -o CMakeFiles/cmTC_2f8c7.dir/CheckFunctionExists.c.o -c /usr/share/cmake/Modules/CheckFunctionExists.c
Linking C executable cmTC_2f8c7
/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_2f8c7.dir/link.txt --verbose=1
/usr/bin/cc -DCHECK_FUNCTION_EXISTS=pthread_create CMakeFiles/cmTC_2f8c7.dir/CheckFunctionExists.c.o -o cmTC_2f8c7 -lpthreads
/usr/bin/ld: cannot find -lpthreads
collect2: error: ld returned 1 exit status
gmake[1]: *** [CMakeFiles/cmTC_2f8c7.dir/build.make:107: cmTC_2f8c7] Error 1
gmake[1]: Leaving directory '/home/davide/Projects/bc/CMakeFiles/CMakeTmp'
gmake: *** [Makefile:141: cmTC_2f8c7/fast] Error 2