To quote from his blog (linked above): I have just released a tool to let you build under Osx Mountain Lion:
Sony binutils and toolchain gcc 4.1.1 for SDK 3.60. Don't ask about how to get SDK 3.60
ps3dev binutils, toolchain, psl1ght and ps3libraries
What does this do?
This program will automatically build and install a compiler and other tools official and homebrew used in the creation of official and homebrew software for the Sony PlayStation 3 videogame system using Osx Mountain Lion
What do I need ?
You will need a few tool installed before:
1) Your mac with Osx Mountain Lion. All was tested with mac mini late 2012
2) Enable root account. Ref support.apple.com/kb/PH11331
3) Install xquartz (x11) Ref...