mxcl/homebrew — pull request #13998 by samueljohn (2012-08-06 11:01:21+00:00)
Title: serf: On Xcode-only glibtools needs apr headers

Adding the apr include dir to the CPPFLAGS does the trick for Xcode-only systems on ML.

I don't have a Xcode-only Lion to check if he needs these CPPFLAGS, too. I guess not, since the apr is probably broken with ML.