:: Import the visual studio compiler environment into the one running in the :: cmd current shell. This path is hard coded to the one on the CI image, but :: can be adjusted if running builds locally. Unfortunately, the initial path :: isn't in the environment so we have to hardcode the whole path. call "c:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\VC\Auxiliary\Build\vcvarsall.bat" x86_amd64 mkdir build cd build cmake.exe .. -DCMAKE_BUILD_TYPE=release -DENABLE_ZEEK_UNIT_TESTS=yes -G Ninja cmake.exe --build .