Determining if the include file pthread.h exists failed with the following output:
Change Dir: C:/Users/shish/CMakeBuilds/0f6e4bdf-632d-9639-ad79-366f81bdf509/build/x86-Debug/CMakeFiles/CMakeTmp

Run Build Command:"C:/PROGRA~2/MICROS~1/2017/COMMUN~1/Common7/IDE/COMMON~1/MICROS~1/CMake/Ninja/ninja.exe" "cmTC_d32f4"
[1/2] Building C object CMakeFiles\cmTC_d32f4.dir\CheckIncludeFile.c.obj
FAILED: CMakeFiles/cmTC_d32f4.dir/CheckIncludeFile.c.obj
C:\PROGRA~2\MICROS~1\2017\COMMUN~1\VC\Tools\MSVC\1412~1.258\bin\HostX86\x86\cl.exe  /nologo   /DWIN32 /D_WINDOWS /W3  /MDd /Zi /Ob0 /Od /RTC1 /showIncludes /FoCMakeFiles\cmTC_d32f4.dir\CheckIncludeFile.c.obj /FdCMakeFiles\cmTC_d32f4.dir\ /FS -c CheckIncludeFile.c
CheckIncludeFile.c(1): fatal error C1083: Cannot open include file: 'pthread.h': No such file or directory
ninja: build stopped: subcommand failed.