During my 11 years at Google, I can confidently count the number of times I had to do a “clean build” with one hand: their build system is so robust that incremental builds always work. Phrases like “clean everything and try building from scratch” are unheard of. So… you can color me skeptical when someone says that incremental build problems are due to bugs in the build files and not due to a suboptimal build system. The answer lies in having a robust build system, and in this post...
