mxcl/homebrew — pull request #24411 by springmeyer (2013-11-17 23:36:00+00:00)
Title: Fix Mapnik v2.2.0 build against Boost 1.55 and libc++

Avoids these issue for Mavericks users until Mapnik provides new upstream version:

- https://github.com/mapnik/mapnik/issues/2082
- https://github.com/mapnik/mapnik/issues/1973