http://www.micromouseonline.com/2009/05/08/codesourcery-gnu-toolchain-for-the-arm-on-a-mac/#axzz2fxWnJ9Mc


https://github.com/UnhandledException/ARMx/wiki/Sourcery-G---Lite-for-ARM-GNU-Linux-%282009q3-67%29-for-Mac-OS-X

Аздесь пишут, что надо строить
Contrary to the other platforms, where binary distributions are available, the Sourcery CodeBench Lite Edition for ARM EABI (formerly known as CodeSourcery G++ Lite for ARM EABI before the acquisition of Code Sourcery by Mentor Graphics) for Mac OS X needs to be compiled from the source code available on the Mentor Graphics site.
http://gnuarmeclipse.livius.net/wiki/Toolchain_installation_on_OS_X
http://gnuarmeclipse.livius.net/wiki/Toolchain_installation_on_OS_X