First of all, we need a cross compiler. Please see http://www.welzels.de/blog/en/arm-cross-compiling-with-mac-os-x/ for the cross compilation toolchain installation. ( Thanks to KNut Welzels ) A fews things will also be usefull, so we install: brew install wget brew install ncurses brew tap homebrew/dupes brew install grep sudo port install findutils Elf.h is somewhat missing on OSX, so we need…