ifndef GNUSTEP_MAKEFILES oops: @echo "GNUSTEP_MAKEFILES not set; are you sure you're running GNUstep?" @echo "try running: . /path/to/GNUstep/System/Makefiles/GNUstep.sh" @echo @exit 1 all: oops clean: oops install: oops else include $(GNUSTEP_MAKEFILES)/common.make SUBPROJECTS=Source include $(GNUSTEP_MAKEFILES)/aggregate.make endif