这篇文章演示多目录，c,c++混编的Makefile写法。
文件夹：
$dir/bin/
$dir/deps/
deps/inc/
deps/lib/
deps/src/
$dir/obj/
$dir/project/
project/test.mk
$dir/src/
src/class1.cpp
src/class1.h
src/test.cpp
src/mydir/class2.cpp
src/mydir/class2.h
src/mydir/funs1.c
src/mydir/funs1.h
class1.h:
#ifndef __CLASS_1_h__
#define __CLASS_1_h__ class CTest1
{
public:
CTest1();
~CTest1(); int get_v1(); private:
int m_v1;
}; #endif
class1.cpp:
#include "class1.h"
CTest1::CTest1()
{
m_v1 = ;
}
CTest1::~CTest1()
{
}
int CTest1::get_v1()
{
return m_v1;
}
mydir/class2.h:
#ifndef __CLASS_2_h__
#define __CLASS_2_h__ class CTest2
{
public:
CTest2();
~CTest2(); int get_v1(); private:
int m_v1;
}; #endif
mydir/class2.cpp:
#include "class2.h"
CTest2::CTest2()
{
m_v1 = ;
}
CTest2::~CTest2()
{
}
int CTest2::get_v1()
{
return m_v1;
}
mydir/funs1.h:
#ifndef __FUNS1_H__
#define __FUNS1_H__ void print1(); #endif
mydir/funs1.c:
#include "funs1.h"
#include <stdio.h> void print1()
{
printf("this is print1\n");
}
test.cpp:
//#define __STDC_LIMIT_MACROS
#include <stdint.h>
#include <iostream>
#include "class1.h"
#include "mydir/class2.h" extern "C"
{
#include "mydir/funs1.h"
} int main()
{
CTest1 test1;
CTest2 test2;
int a = ;
int16_t b = ;
print1();
std::cout << "max int=" << INT32_MAX << std::endl;
std::cout << "test1.v1 = " << test1.get_v1() << std::endl;
return ;
}
test.mk:
CFLAGS = -g -Wall -I../src -I../src/mydir -D __STDC_LIMIT_MACROS
CC = gcc
GXX = g++
#VPATH = ../src ../src/mydir
SRCPATH = ../src
OBJPATH = ../obj
BINPATH = ../bin
PROGRAM = test.exe
OBJS= class1.o class2.o funs1.o test.o PROGRAMFULL = $(addprefix $(BINPATH)/, $(PROGRAM))
OBJSFULL = $(addprefix $(OBJPATH)/, $(OBJS)) .PHONY: all clean cleanobj show all: clean $(PROGRAMFULL) ${PROGRAMFULL} : ${OBJSFULL}
$(GXX) -o $@ $(OBJSFULL) ${OBJPATH}/%.o : ${SRCPATH}/mydir/%.c
$(CC) $(CFLAGS) -c $< -o $@ ${OBJPATH}/%.o : ${SRCPATH}/mydir/%.cpp
$(GXX) $(CFLAGS) -c $< -o $@ ${OBJPATH}/%.o : ${SRCPATH}/%.cpp
$(GXX) $(CFLAGS) -c $< -o $@ clean:
rm -f ${PROGRAMFULL} ${OBJSFULL} cleanobj:
rm -f ${OBJSFULL} show:
@echo 'PROGRAMFULL :' ${PROGRAMFULL}
@echo 'OBJSFULL :' $(OBJSFULL)
@echo 'CFLAGS :' $(CFLAGS)