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> But that is mostly a problem because incremental compiling in C++ is difficult for well-known reasons. Incremental compiling is well-supported in many other languages (e.g. Java) and is usually very fast. So, the issue of compilation time is IMO overstated by Go proponents.

Actually, chromium's ninja [0] build setup [1] is really awesome, and does what it can with incremental building, but it's obviously limited in what it can do, it doesn't seem to take very much to trigger a very big rebuild. It's a definite help though.

[0]:http://martine.github.io/ninja/ [1]:https://code.google.com/p/chromium/wiki/NinjaBuild