Makefile for 程設一

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CC = gcc
CFLAGS = -Wall -Wextra -O2 -std=c11
LDFLAGS = -lm
TARGETS = main01 main02
main01_OBJ = main01.o func01.o
main02_OBJ = main02.o func02.o

.PHONY = all clean

all: $(TARGETS)

.SECONDEXPANSION:
$(TARGETS): $$($$@_OBJ)
	$(CC) $^ -o $@ $(LDFLAGS)

%.o: $@.c

clean:
	-$(RM) $(TARGETS) $(foreach targ,$(TARGETS),$(foreach obj, $($(targ)_OBJ), $(obj)))