josegonzalez/homebrew-php — pull request #461 by ShonM (2013-02-04 16:10:44+00:00)
Title: Pthreads support

Although I have no idea what the possible implications of this change are, it was the only way I could get pthreads to build. I've only installed PHP 5.4 on OS X 10.8.2, please excuse me if there are issues elsewhere.