No installing, but making it UNIX-style: (assuming you have SDL installed as a framework and libSDLmain with Fink):
Makefile:
LINKLIBS=-framework Cocoa -F/Library/Frameworks -framework SDL -L/sw/lib/ -lSDLmain
gaze: $(OBJS)
- $(CC) -o $@ $(OBJS) $(LINKLIBS) -lObjC