mxcl/homebrew — pull request #13267 by stepheneb (2012-07-07 20:10:30+00:00)
Title: gobject-introspection: now needs depends_on :x11

gobject-introspection v1.32.1 no longer compiles on 10.6.8 because
it can't find cairo. Adding an explicit depends_on :x11 solves that
problem.

Also see jacknagel's comment on this merged pull-request #13257 that fixed pygtk.