My guess is that it's for drop-in compatibility with make. There is (at least) one open issue about this - the solution/alternatives are not trivial: https://

My guess is that it's for drop-in compatibility with make. There is (at least) one open issue about this - the solution/alternatives are not trivial: https://github.com/ninja-build/ninja/issues/1459 https://github.com/ninja-build/ninja/issues/1459