简单 Makefile

include/a.h

#define PI 3.14
void f1();

include/b.h

void f2();

src/a.c

#include <stdio.h>
#include "a.h"

void f1() {
    printf("A f1\n");
    printf("Pai = %f \n", PI);
    printf("\n");
}

src/b.c

#include <stdio.h>
#include "b.h"

void f2() {
    printf("B f2\n");
}

src/m.c

#include <stdio.h>
#include "a.h"
#include "b.h"

int main() {
    f1();
    f2();
    return 0;
}

INC = -I./include
SRC = ./src

main: a.o b.o $(SRC)/m.c
	cc $(INC) -o main $(SRC)/m.c a.o b.o

a.o: $(SRC)/a.c
	cc $(INC) -c $(SRC)/a.c

b.o: $(SRC)/b.c
	cc $(INC) -c $(SRC)/b.c

.PHONY: clean run

clean:
	rm -rf *.o main

run: main
	./main

运行

make run

来源：oschina

链接：https://my.oschina.net/u/3845788/blog/3010050