I think I might start using configure/make on OSX since I am getting tired of fighting XCode, but autoconf and configure don't completely work. Some of the issues:
--with-pd= didn't work for me. I manually added the -I/path to the makefile
It doesn't build a bundle. The configure script spits out this: 'checking whether linker accepts "-bundle -bundle_loader no pd in /bin /sbin /usr/bin /usr/sbin"... no'. There's not really any other option besides a bundle for GEM on OSX so that could probably be a fixed setting.
The SIMD check finds that the compiler accepts -msse2 on PPC. The check should check for the actual CPU or at least do a uname -s and uname -p like I suggested for the Pd endian checks.
My configure skills are pretty weak so I need some help fixing this.
cgc