raspberry pi 3 compiling error

[FuzzyWaffler]

Compiling the CXX compiler identification source file "CMakeCXXCompilerId.cpp" failed.
Compiler: G++4.7
Build flags:
Id flags:

The output was:
No such file or directory

Compiling the CXX compiler identification source file "CMakeCXXCompilerId.cpp" failed.
Compiler: G++4.7
Build flags:
Id flags: -c

The output was:
No such file or directory

Checking whether the CXX compiler is IAR using "" did not match "IAR .+ Compiler":
Determining if the pthread_create exist failed with the following output:
Change Dir: /home/pi/EmulationStation/CMakeFiles/CMakeTmp

Run Build Command:"/usr/bin/make" "cmTryCompileExec3700178160/fast"
/usr/bin/make -f CMakeFiles/cmTryCompileExec3700178160.dir/build.make CMakeFiles/cmTryCompileExec3700178160.dir/build
make[1]: Entering directory '/home/pi/EmulationStation/CMakeFiles/CMakeTmp'
/usr/bin/cmake -E cmake_progress_report /home/pi/EmulationStation/CMakeFiles/CMakeTmp/CMakeFiles 1
Building C object CMakeFiles/cmTryCompileExec3700178160.dir/CheckSymbolExists.c.o
/usr/bin/cc -o CMakeFiles/cmTryCompileExec3700178160.dir/CheckSymbolExists.c.o -c /home/pi/EmulationStation/CMakeFiles/CMakeTmp/CheckSymbolExists.c
Linking C executable cmTryCompileExec3700178160
/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTryCompileExec3700178160.dir/link.txt --verbose=1
/usr/bin/cc CMakeFiles/cmTryCompileExec3700178160.dir/CheckSymbolExists.c.o -o cmTryCompileExec3700178160 -rdynamic
CMakeFiles/cmTryCompileExec3700178160.dir/CheckSymbolExists.c.o: In function main': CheckSymbolExists.c:(.text+0x38): undefined reference topthread_create'
collect2: error: ld returned 1 exit status
CMakeFiles/cmTryCompileExec3700178160.dir/build.make:88: recipe for target 'cmTryCompileExec3700178160' failed
make[1]: *** [cmTryCompileExec3700178160] Error 1
make[1]: Leaving directory '/home/pi/EmulationStation/CMakeFiles/CMakeTmp'
Makefile:118: recipe for target 'cmTryCompileExec3700178160/fast' failed
make: *** [cmTryCompileExec3700178160/fast] Error 2

File /home/pi/EmulationStation/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/pi/EmulationStation/CMakeFiles/CMakeTmp

Run Build Command:"/usr/bin/make" "cmTryCompileExec1639975148/fast"
/usr/bin/make -f CMakeFiles/cmTryCompileExec1639975148.dir/build.make CMakeFiles/cmTryCompileExec1639975148.dir/build
make[1]: Entering directory '/home/pi/EmulationStation/CMakeFiles/CMakeTmp'
/usr/bin/cmake -E cmake_progress_report /home/pi/EmulationStation/CMakeFiles/CMakeTmp/CMakeFiles 1
Building C object CMakeFiles/cmTryCompileExec1639975148.dir/CheckFunctionExists.c.o
/usr/bin/cc -DCHECK_FUNCTION_EXISTS=pthread_create -o CMakeFiles/cmTryCompileExec1639975148.dir/CheckFunctionExists.c.o -c /usr/share/cmake-3.0/Modules/CheckFunctionExists.c
Linking C executable cmTryCompileExec1639975148
/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTryCompileExec1639975148.dir/link.txt --verbose=1
/usr/bin/cc -DCHECK_FUNCTION_EXISTS=pthread_create CMakeFiles/cmTryCompileExec1639975148.dir/CheckFunctionExists.c.o -o cmTryCompileExec1639975148 -rdynamic -lpthreads
/usr/bin/ld: cannot find -lpthreads
collect2: error: ld returned 1 exit status
CMakeFiles/cmTryCompileExec1639975148.dir/build.make:88: recipe for target 'cmTryCompileExec1639975148' failed
make[1]: Leaving directory '/home/pi/EmulationStation/CMakeFiles/CMakeTmp'
make[1]: *** [cmTryCompileExec1639975148] Error 1
Makefile:118: recipe for target 'cmTryCompileExec1639975148/fast' failed
make: *** [cmTryCompileExec1639975148/fast] Error 2