mxcl/homebrew — pull request #24184 by johnrizzo1 (2013-11-11 18:17:14+00:00)
Title: Gimp without x

This is my first formula so please make sure I've done everything right. These changes allow you to build gimp on the mac without X. just do a brew install gimp --without-x. If you don't specify --without-x then you need to make sure you have X already installed.