The Apple Developer Technical Q&A on this problem http://developer.apple.com/qa/qa2007/qa1567.html says the fix is to add this to LDFLAGS: -dylib_file FILE:FILE where "FILE" is "/System/Library/Frameworks/OpenGL.framework/Versions/ A/Libraries/libGL.dylib" These ports do it this way: djvulibre, enblend, fox, fxscintilla, gst- plugins-bad, py25-gtkglext, xforms However we have some ports that instead add this to LDFLAGS: -Wl,-dylib_file,FILE:FILE These ports do it this way: aqbanking, geomview, glut, gtkglarea2, gvemod-cplxview, gvemod-crayola, gvemod-labeler, gvemod-ndview, gvemod-xforms-example, gvemodules-xforms, gwyddion, koffice, maniview, orrery, scribus What's the difference? Which one is better and why? If neither is better, why aren't we always doing it the Apple-recommended way?