:: 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\2022\BuildTools\VC\Auxiliary\Build\vcvarsall.bat" x86_amd64 mkdir build cd build :: The configure script doesn't work for Windows but we can call cmake directly :: to do the same. Ninja is installed as part of the CI image. C:\WINDOWS\system32\cmd.exe /c %SYSTEMROOT%\System32\chcp.com 65001 >NUL && ^ cmake.exe -G "Ninja" -DCMAKE_BUILD_TYPE:STRING="Debug" ^ -DCMAKE_C_COMPILER=cl.exe -DCMAKE_CXX_COMPILER=cl.exe -DCMAKE_MAKE_PROGRAM=ninja.exe ^ -DOPENSSL_ROOT_DIR="C:\Program Files\OpenSSL-Win64" -DEXTRA_FLAGS=/MP%BROKER_CI_CPUS% ^ -DDISABLE_PYTHON_BINDINGS="true" .. cmake.exe --build . --target install --config release || exit \b 1 cd ..