imageworks/OpenShadingLanguage — pull request #84 by lgritz (2011-10-20 04:40:53+00:00)
Title: Review: Use a more modern cpp on Mac OS X.

On OSX, /bin/cpp is very old and seems to lack certain modern preprocessor doodads (including that it doesn't understand # and ##, how can that be?). I found that by using /bin/cpp-4.2, things are much nicer.