Determining if the pthread_create exist failed with the following output:
Change Dir: /mnt/Vers1/CorasurWordGen/cpp/yaml-cpp-master/build/CMakeFiles/CMakeTmp

Run Build Command:"/usr/bin/make" "cmTryCompileExec1108977944/fast"
/usr/bin/make -f CMakeFiles/cmTryCompileExec1108977944.dir/build.make CMakeFiles/cmTryCompileExec1108977944.dir/build
make[1]: Entering directory '/mnt/Vers1/CorasurWordGen/cpp/yaml-cpp-master/build/CMakeFiles/CMakeTmp'
/usr/bin/cmake -E cmake_progress_report /mnt/Vers1/CorasurWordGen/cpp/yaml-cpp-master/build/CMakeFiles/CMakeTmp/CMakeFiles 1
Building C object CMakeFiles/cmTryCompileExec1108977944.dir/CheckSymbolExists.c.o
/usr/bin/cc    -o CMakeFiles/cmTryCompileExec1108977944.dir/CheckSymbolExists.c.o   -c /mnt/Vers1/CorasurWordGen/cpp/yaml-cpp-master/build/CMakeFiles/CMakeTmp/CheckSymbolExists.c
Linking C executable cmTryCompileExec1108977944
/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTryCompileExec1108977944.dir/link.txt --verbose=1
/usr/bin/cc       CMakeFiles/cmTryCompileExec1108977944.dir/CheckSymbolExists.c.o  -o cmTryCompileExec1108977944 -rdynamic 
CMakeFiles/cmTryCompileExec1108977944.dir/CheckSymbolExists.c.o:CheckSymbolExists.c:function main: error: undefined reference to 'pthread_create'
collect2: error: ld returned 1 exit status
CMakeFiles/cmTryCompileExec1108977944.dir/build.make:88: recipe for target 'cmTryCompileExec1108977944' failed
make[1]: *** [cmTryCompileExec1108977944] Error 1
make[1]: Leaving directory '/mnt/Vers1/CorasurWordGen/cpp/yaml-cpp-master/build/CMakeFiles/CMakeTmp'
Makefile:118: recipe for target 'cmTryCompileExec1108977944/fast' failed
make: *** [cmTryCompileExec1108977944/fast] Error 2

File /mnt/Vers1/CorasurWordGen/cpp/yaml-cpp-master/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: /mnt/Vers1/CorasurWordGen/cpp/yaml-cpp-master/build/CMakeFiles/CMakeTmp

Run Build Command:"/usr/bin/make" "cmTryCompileExec4181932339/fast"
/usr/bin/make -f CMakeFiles/cmTryCompileExec4181932339.dir/build.make CMakeFiles/cmTryCompileExec4181932339.dir/build
make[1]: Entering directory '/mnt/Vers1/CorasurWordGen/cpp/yaml-cpp-master/build/CMakeFiles/CMakeTmp'
/usr/bin/cmake -E cmake_progress_report /mnt/Vers1/CorasurWordGen/cpp/yaml-cpp-master/build/CMakeFiles/CMakeTmp/CMakeFiles 1
Building C object CMakeFiles/cmTryCompileExec4181932339.dir/CheckFunctionExists.c.o
/usr/bin/cc   -DCHECK_FUNCTION_EXISTS=pthread_create   -o CMakeFiles/cmTryCompileExec4181932339.dir/CheckFunctionExists.c.o   -c /usr/share/cmake-3.0/Modules/CheckFunctionExists.c
Linking C executable cmTryCompileExec4181932339
/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTryCompileExec4181932339.dir/link.txt --verbose=1
/usr/bin/cc   -DCHECK_FUNCTION_EXISTS=pthread_create    CMakeFiles/cmTryCompileExec4181932339.dir/CheckFunctionExists.c.o  -o cmTryCompileExec4181932339 -rdynamic -lpthreads 
/usr/bin/ld: error: cannot find -lpthreads
CMakeFiles/cmTryCompileExec4181932339.dir/CheckFunctionExists.c.o:CheckFunctionExists.c:function main: error: undefined reference to 'pthread_create'
collect2: error: ld returned 1 exit status
CMakeFiles/cmTryCompileExec4181932339.dir/build.make:88: recipe for target 'cmTryCompileExec4181932339' failed
make[1]: *** [cmTryCompileExec4181932339] Error 1
make[1]: Leaving directory '/mnt/Vers1/CorasurWordGen/cpp/yaml-cpp-master/build/CMakeFiles/CMakeTmp'
Makefile:118: recipe for target 'cmTryCompileExec4181932339/fast' failed
make: *** [cmTryCompileExec4181932339/fast] Error 2