1-CMakeError.log

1-CMakeError.log (text/plain), 2.85 KB, created by Agostino Sarubbo on 2020-10-25 07:57:50 UTC

Performing C SOURCE FILE Test CMAKE_HAVE_LIBC_PTHREAD failed with the following output:
Change Dir: /var/tmp/portage/kde-apps/korganizer-20.08.2/work/korganizer-20.08.2_build/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/ninja cmTC_f83e2 && [1/2] Building C object CMakeFiles/cmTC_f83e2.dir/src.c.o
[2/2] Linking C executable cmTC_f83e2
FAILED: cmTC_f83e2 
: && /usr/bin/x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -frecord-gcc-switches -fno-diagnostics-color -fno-common -Wall -Wextra -Wcast-align -Wchar-subscripts -Wformat-security -Wno-long-long -Wpointer-arith -Wundef -Wmissing-format-attribute -Wwrite-strings -Werror=implicit-function-declaration -DCMAKE_HAVE_LIBC_PTHREAD -Wl,--enable-new-dtags -Wl,-O1 -Wl,--as-needed -Wl,--defsym=__gentoo_check_ldflags__=0 -fuse-ld=gold CMakeFiles/cmTC_f83e2.dir/src.c.o -o cmTC_f83e2   && :
CMakeFiles/cmTC_f83e2.dir/src.c.o:src.c:function main: error: undefined reference to 'pthread_create'
CMakeFiles/cmTC_f83e2.dir/src.c.o:src.c:function main: error: undefined reference to 'pthread_detach'
CMakeFiles/cmTC_f83e2.dir/src.c.o:src.c:function main: error: undefined reference to 'pthread_cancel'
CMakeFiles/cmTC_f83e2.dir/src.c.o:src.c:function main: error: undefined reference to 'pthread_join'
collect2: error: ld returned 1 exit status
ninja: build stopped: subcommand failed.


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: /var/tmp/portage/kde-apps/korganizer-20.08.2/work/korganizer-20.08.2_build/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/ninja cmTC_b85bc && [1/2] Building C object CMakeFiles/cmTC_b85bc.dir/CheckFunctionExists.c.o
[2/2] Linking C executable cmTC_b85bc
FAILED: cmTC_b85bc 
: && /usr/bin/x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -frecord-gcc-switches -fno-diagnostics-color -fno-common -Wall -Wextra -Wcast-align -Wchar-subscripts -Wformat-security -Wno-long-long -Wpointer-arith -Wundef -Wmissing-format-attribute -Wwrite-strings -Werror=implicit-function-declaration -DCHECK_FUNCTION_EXISTS=pthread_create -Wl,--enable-new-dtags -Wl,-O1 -Wl,--as-needed -Wl,--defsym=__gentoo_check_ldflags__=0 -fuse-ld=gold CMakeFiles/cmTC_b85bc.dir/CheckFunctionExists.c.o -o cmTC_b85bc  -lpthreads && :
/usr/lib/gcc/x86_64-pc-linux-gnu/10.2.0/../../../../x86_64-pc-linux-gnu/bin/ld.gold: error: cannot find -lpthreads
CMakeFiles/cmTC_b85bc.dir/CheckFunctionExists.c.o:CheckFunctionExists.c:function main: error: undefined reference to 'pthread_create'
collect2: error: ld returned 1 exit status
ninja: build stopped: subcommand failed.