> or god forbid you touched a header file that was used in 400 code units In C/C++ that means you decided to change 400 translation units. That's not a proble

> or god forbid you touched a header file that was used in 400 code units In C/C++ that means you decided to change 400 translation units. That's not a problem with the build system at all. That's a problem with how the developers working on the project failed to follow basic best-practices in software development. No build system saves you from the mess you create yourself.