gcc -c SDLzilla.c -o SDLzilla.o -I"/sw/include" -I"/usr/include" -I"/usr/local/include" gcc SDLzilla.o -o izilla -L"/sw/lib" -lSDLmain -lSDL ld: Undefined symbols: .objc_class_name_NSApplication .objc_class_name_NSAutoreleasePool .objc_class_name_NSMenu .objc_class_name_NSMenuItem .objc_class_name_NSObject .objc_class_name_NSProcessInfo .objc_class_name_NSString _CFBundleCopyBundleURL _CFBundleGetInfoDictionary _CFBundleGetMainBundle _CFRelease _CFURLCreateCopyDeletingLastPathComponent _CFURLGetFileSystemRepresentation _CPSEnableForegroundOperation _CPSGetCurrentProcess _CPSSetFrontProcess _NSAllocateMemoryPages _NSApp _NSDeallocateMemoryPages ___CFConstantStringClassReference _objc_msgSend make: *** [izilla] Error 1