If you're using Ubuntu, it's this package: sudo apt-get install iwyu I agree the name isn't clear; I also wasted time downloading and compiling stuff until I

If you're using Ubuntu, it's this package: sudo apt-get install iwyu I agree the name isn't clear; I also wasted time downloading and compiling stuff until I realized it was in apt after all. On my VS 2015, in C#, the IDE grays out unused includes, so Microsoft has at least ~something. I'm hoping these tool are just a first step towards mostly automatic #include management.