I've been working on getting the libraw library going with OS X and have hit several issues. If I build a simple test app and use the pre-built library, I can get things working just fine. The samples run as well. The issue comes when I try to build on Tiger and yet have support for Leopard.

The pre-built library appears to have been built on Leopard and wasn't built with support for 10.4. I modified the Makefile to add the required flags and build as a Universal Binary: