Your answer is only good if you're writing an utterly trivial program. For any real application, you need some kind of build system, not just a g++ command lin

Your answer is only good if you're writing an utterly trivial program. For any real application, you need some kind of build system, not just a g++ command line. Makefiles don't work for extremely large and complex applications. That's the whole reason we have junk like CMake and Gradle.