I find that the second limiting factor I hit is being able to easily interop with other languages and to cross-compile for other platforms. Buck makes that super easy, too.
Looking over the docs, it seems like a rather all-encompassing build tool. I might have to try it out for the one project that I'm still paying attention to which is C++ based and uses Hunter[0]. I see a lot of references/examples talking about using this for Java projects, but I haven't come across anything related to C/C++ (other than the cxx_\* calls, which appear centered around bringing in a native dependency). Any suggestions for a good quickstart project out in the wild or a larger open-source codebase (C/C++) that uses it?
[0] Or it's less official, but more commonly used name, "f!cking hunter", followed by loud, anger-ish sounding noises.