FYI, the current Gem auto-build on Mac OS X is linking against these Fink libs:
libdv.4.dylib libmpeg.1.dylib libquicktime.0.dylib libjpeg.62.dylib
For some reason, I think this is wrong. This is the current ./ configure:
cd $(gem_src)/src && ./configure --without-ImageMagick --with-pd=$ (pd_src)
.hc