We do talk about dealing with gcc versions (that the default expectation is gcc-5 but can be changed) in the documentation for native tool installation.
https://mynewt.apache.org/latest/os/get_started/native_tools/ thanks, aditi > >> 2. It seems that blinky expects gcc-5 in /usr/local/bin/ and I only had >> gcc-6 installed and an older version of gcc in /usr/bin/gcc > > Hmm, this is indeed a problem. On OS X, /usr/bin/gcc is not actually > gcc; it's clang. I don't recall the details, but I believe there was a > time when clang was incompatible with Mynewt. "gcc-5" is the name of > the gcc 5.x binary that home brew installs, so that is what newt looks > for. >
