Determining if the include file pthread.h exists failed with the following output:
Change Dir: C:/setup/build/CMakeFiles/CMakeTmp

Run Build Command(s):C:/Program Files (x86)/Microsoft Visual Studio/2019/Community/MSBuild/Current/Bin/MSBuild.exe cmTC_b0db7.vcxproj /p:Configuration=Debug /p:Platform=x64 /p:VisualStudioVersion=16.0 /v:m && Microsoft (R) Build Engine versione 16.9.0+57a23d249 per .NET Framework

Copyright (C) Microsoft Corporation. Tutti i diritti sono riservati.



  Microsoft (R) C/C++ Optimizing Compiler versione 19.28.29913 per x64

  Copyright (C) Microsoft Corporation. Tutti i diritti  sono riservati.

  CheckIncludeFile.c

  cl /c /Zi /W3 /WX- /diagnostics:column /Od /Ob0 /D WIN32 /D _WINDOWS /D "CMAKE_INTDIR=\"Debug\"" /D _MBCS /Gm- /RTC1 /MDd /GS /fp:precise /Zc:wchar_t /Zc:forScope /Zc:inline /Fo"cmTC_b0db7.dir\Debug\\" /Fd"cmTC_b0db7.dir\Debug\vc142.pdb" /Gd /TC /errorReport:queue C:\setup\build\CMakeFiles\CMakeTmp\CheckIncludeFile.c

C:\setup\build\CMakeFiles\CMakeTmp\CheckIncludeFile.c(1,10): fatal error C1083: Non è possibile aprire il file inclusione: 'pthread.h': No such file or directory [C:\setup\build\CMakeFiles\CMakeTmp\cmTC_b0db7.vcxproj]