I know (through simple discovery) that I can't simply "emerge arduino" and expect things to work. I know, because they don't, and I've already found these references:
https://bugs.gentoo.org/show_bug.cgi?id=340042 https://bugs.gentoo.org/show_bug.cgi?id=378387 https://bugs.gentoo.org/show_bug.cgi?id=377039 and http://en.gentoo-wiki.com/wiki/Crossdev#AVR_Architecture (the instructions for which don't currently work) -- :wq
