A simple Makefile template

Makefile

CPPFLAGS +=
CFLAGS += -Wall -Wextra -fsanitize=address,undefined
LDFLAGS += -fsanitize=address,undefined

ifeq ($(CC),clang)
  # ...
else
  # Assume gcc
  CC := gcc
  # ...
endif

SRCS := test.c
OBJS := $(SRCS:.c=.o)
BINS := $(SRCS:.o=)

all: $(BINS)

test: CFLAGS += -O2
test: LDFLAGS += -O2

depend: $(SRCS)
	$(CC) $(CFLAGS) $(CPPFLAGS) -MM $^ > depend

clean:
	rm -rf depend $(OBJS) $(BINS)

-include depend

.PHONY: all clean