Determining if the include file pthread.h exists failed with the following output:
Change Dir: C:/Users/Patrick/Documents/Studium/master/sem2/projekt/toc/antlr4-cpp-runtime-4.9.2-source/build/runtime/utfcpp-prefix/src/utfcpp-build/CMakeFiles/CMakeTmp

Run Build Command(s):C:/Program Files (x86)/Microsoft Visual Studio/2019/Community/MSBuild/Current/Bin/MSBuild.exe cmTC_5ce1f.vcxproj /p:Configuration=Debug /p:Platform=x64 /p:VisualStudioVersion=16.0 /v:m && Microsoft (R)-Build-Engine, Version 16.8.2+25e4d540b für .NET Framework

Copyright (C) Microsoft Corporation. Alle Rechte vorbehalten.



  Microsoft (R) C/C++-Optimierungscompiler Version 19.28.29335 für x64

  Copyright (C) Microsoft Corporation. Alle Rechte vorbehalten.

  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_5ce1f.dir\Debug\\" /Fd"cmTC_5ce1f.dir\Debug\vc142.pdb" /Gd /TC /errorReport:queue "C:\Users\Patrick\Documents\Studium\master\sem2\projekt\toc\antlr4-cpp-runtime-4.9.2-source\build\runtime\utfcpp-prefix\src\utfcpp-build\CMakeFiles\CMakeTmp\CheckIncludeFile.c"

C:\Users\Patrick\Documents\Studium\master\sem2\projekt\toc\antlr4-cpp-runtime-4.9.2-source\build\runtime\utfcpp-prefix\src\utfcpp-build\CMakeFiles\CMakeTmp\CheckIncludeFile.c(1,10): fatal error C1083: Datei (Include) kann nicht geöffnet werden: "pthread.h": No such file or directory [C:\Users\Patrick\Documents\Studium\master\sem2\projekt\toc\antlr4-cpp-runtime-4.9.2-source\build\runtime\utfcpp-prefix\src\utfcpp-build\CMakeFiles\CMakeTmp\cmTC_5ce1f.vcxproj]