Select Code to Download

ifeq "{xxx}" "xxx"
MAKE_USED = dmake
...
#if... How can nmake be identified?
#MAKE_USED = nmake
#endif

NORL =@# No Output of Recipe Line
.PHONY: check_used_make_program
...
ifeq "$(MAKE_USED)" "gnumake"
    $(NORL)$(error ERROR: Using $(MAKE_USED) for a Makefile intended f
+or ?make)
endif

ifeq "$(MAKE_USED)" "dmake"
#               The message is NOT sent to STDERR
    $(NORL)echo ERROR: Using $(MAKE_USED) for a Makefile intended for 
+?make
    $(assign ERR OR = ERROR) #Generates an error message
endif