A project to test CMake & Ninja failing to rebuild .proto change on the first try.
"c:\Program Files (x86)\Microsoft Visual Studio\2017\Professional\VC\Auxiliary\Build\vcvars32.bat"
mkdir build
cd build
d:\bin\cmake-3.16.1-win64-x64\bin\cmake.exe -G Ninja -DCMAKE_MAKE_PROGRAM="d:\bin\ninja\ninja.exe" -DCMAKE_BUILD_TYPE=Release ..