CC = $(CROSS_COMPILE)gcc LD = $(CROSS_COMPILE)ld CCFLAGS = EXE = basics DEBUG = ifneq ($(strip $(DEBUG)),) CCFLAGS += -g endif .PHONY: all all: clean $(EXE) .PHONY: $(EXE) $(EXE): gcc $(CCFLAGS) -o $(EXE) main.c factorial.S string.S float.S .PHONY: clean clean: @rm -f $(EXE)