Created by: pzz2011

mkdir build cd build cmake ..

...................
CMake Error at cmake/external/python.cmake:29 (IF):
  if given arguments:

    "VERSION_LESS" "3.0.0"

  Unknown arguments specified
Call Stack (most recent call first):
  CMakeLists.txt:63 (include)


-- Configuring incomplete, errors occurred!
See also "/home/pzz/workspace/paddle/build/CMakeFiles/CMakeOutput.log".
See also "/home/pzz/workspace/paddle/build/CMakeFiles/CMakeError.log".
pzz@suu:~/workspace/paddle/build$ vim CMakeFiles/CMakeError.log 
pzz@suu:~/workspace/paddle/build$ cat CMakeFiles/CMakeError.log 
Determining if the pthread_create exist failed with the following output:
Change Dir: /home/pzz/workspace/paddle/build/CMakeFiles/CMakeTmp

Run Build Command:"/usr/bin/make" "cmTC_5f84c/fast"
/usr/bin/make -f CMakeFiles/cmTC_5f84c.dir/build.make CMakeFiles/cmTC_5f84c.dir/build
make[1]: Entering directory '/home/pzz/workspace/paddle/build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_5f84c.dir/CheckSymbolExists.c.o
/usr/bin/cc    -fPIC    -o CMakeFiles/cmTC_5f84c.dir/CheckSymbolExists.c.o   -c /home/pzz/workspace/paddle/build/CMakeFiles/CMakeTmp/CheckSymbolExists.c
Linking C executable cmTC_5f84c
/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_5f84c.dir/link.txt --verbose=1
/usr/bin/cc  -fPIC     CMakeFiles/cmTC_5f84c.dir/CheckSymbolExists.c.o  -o cmTC_5f84c -rdynamic 
CMakeFiles/cmTC_5f84c.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_5f84c.dir/build.make:97: recipe for target 'cmTC_5f84c' failed
make[1]: *** [cmTC_5f84c] Error 1
make[1]: Leaving directory '/home/pzz/workspace/paddle/build/CMakeFiles/CMakeTmp'
Makefile:126: recipe for target 'cmTC_5f84c/fast' failed
make: *** [cmTC_5f84c/fast] Error 2

File /home/pzz/workspace/paddle/build/CMakeFiles/CMakeTmp/CheckSymbolExists.c:
/* */
#include <pthread.h>

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/pzz/workspace/paddle/build/CMakeFiles/CMakeTmp

Run Build Command:"/usr/bin/make" "cmTC_2aa2e/fast"
/usr/bin/make -f CMakeFiles/cmTC_2aa2e.dir/build.make CMakeFiles/cmTC_2aa2e.dir/build
make[1]: Entering directory '/home/pzz/workspace/paddle/build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_2aa2e.dir/CheckFunctionExists.c.o
/usr/bin/cc    -fPIC -DCHECK_FUNCTION_EXISTS=pthread_create   -o CMakeFiles/cmTC_2aa2e.dir/CheckFunctionExists.c.o   -c /usr/share/cmake-3.5/Modules/CheckFunctionExists.c
Linking C executable cmTC_2aa2e
/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_2aa2e.dir/link.txt --verbose=1
/usr/bin/cc  -fPIC -DCHECK_FUNCTION_EXISTS=pthread_create    CMakeFiles/cmTC_2aa2e.dir/CheckFunctionExists.c.o  -o cmTC_2aa2e -rdynamic -lpthreads 
/usr/bin/ld: cannot find -lpthreads
collect2: error: ld returned 1 exit status
CMakeFiles/cmTC_2aa2e.dir/build.make:97: recipe for target 'cmTC_2aa2e' failed
make[1]: *** [cmTC_2aa2e] Error 1
make[1]: Leaving directory '/home/pzz/workspace/paddle/build/CMakeFiles/CMakeTmp'
Makefile:126: recipe for target 'cmTC_2aa2e/fast' failed
make: *** [cmTC_2aa2e/fast] Error 2

the error information reports that cannot find -lpthreads, while I have double-checked my machine has libpthread.so

so, what's the problem