通用 Makefile(3)

# Readme:
# use: make config
# use: make dir
# use: make
# use: make clean
# use: make rebuild
# use: make cleanall
# use: make test
# use: make

# firs of all, use "make config" or "make dir" to
# build a source files struct. and then,
# put your source files into the DIR src
# link libs to the DIR lib
 

SHELL=/bin/sh
CC=gcc
CXX=g++
MAKE=make

SRC_DIR=./src/
OBJ_DIR=./obj/
LIB_DIR=./lib/
DEBUG_DIR=./debug/
RELEASE_DIR=./release/
OUTPUT_DIR=
LIB=-L./lib/
OUTPUT_FILE=out
OUT=

DEBUG=1

SRC_FILES:=$(wildcard $(SRC_DIR)*.c)
SRC_FILES:=$(notdir $(SRC_FILES))
OBJ_FILES:=$(patsubst %.c,%.o,$(SRC_FILES) )

SRC_FILES:=$(addprefix $(SRC_DIR),$(SRC_FILES))
OBJ_FILES:=$(addprefix $(OBJ_DIR),$(OBJ_FILES))

FLAG_DEBUG=-g
FLAG_COMPLE=-c
FLAG_LINK=

ifeq ($(DEBUG),1)
OUTPUT_DIR:=$(DEBUG_DIR)
FLAG_COMPLE:=$(FLAG_COMPLE) $(FLAG_DEBUG)
FLAG_LINK:=
else
OUTPUT_DIR:=$(RELEASE_DIR)
FLAG_COMPLE:=$(FLAG_COMPLE)
FLAG_LINK:=
endif

OUT=$(OUTPUT_DIR)$(OUTPUT_FILE)

all: $(OUT)
$(OUT): $(OBJ_FILES)
 $(CC) $^ -o $@
$(OBJ_DIR)%.o:$(SRC_DIR)%.c $(OBJ_DIR)%.d
 $(CC) $(FLAG_COMPLE) $< -o $@
$(OBJ_DIR)%.d:$(SRC_DIR)%.c
 $(CC) $< -MM -o $@
# if the system-libs will always update, please ues this instead for
# $(CC) $< -M -o $@
config: dir
dir:
 mkdir -p $(SRC_DIR)
 mkdir -p $(OBJ_DIR)
 mkdir -p $(LIB_DIR)
 mkdir -p $(DEBUG_DIR)
 mkdir -p $(RELEASE_DIR)
clean:
 rm -f $(OBJ_DIR)*
 rm -f $(OUT)
rebuild: clean all
cleanall:
 rm -f $(OBJ_DIR)*
 rm -f $(RELEASE_DIR)*
 rm -f $(DEBUG_DIR)*
test:
 $(OUT)
.PHONY: all config rebuild