Linux Makefile多目录的编写
手头一个项目，需要编写项目的makefile
多目录结构：
csource/
├── common
│ └── sqlite3
├── inc
│ ├── curl
│ ├── lua
│ └── Protection
├── lib
│ ├── arm
│ └── linux
├── obj
├── out
│ ├── arm
│ └── linux
├── src
源码目录src，输出目录out，include目录inc，输入链接库目录lib，常用静态函数和sqlite3目录common
makefile如下：
1 PLAT= none 2 CC= 3 CXX= 4 CFLAGS= 5 LDFLAGS= 6 MKDIR_P=mkdir -p 7 8 PLATS= linux arm 9 10 root= libroot.so 11 root_a= libroot.a 12 13 INC_DIR= ./inc 14 COM_DIR= ./common 15 SQL_DIR= ./common/sqlite3 16 LUA_DIR= ./inc/lua 17 PRO_DIR= ./inc/Protection 18 INCLUDE= -I$(LUA_DIR) -I$(INC_DIR) -I$(COM_DIR) -I$(SQL_DIR) -I$(PRO_DIR) 19 DIR_SRC= ./src 20 21 SRC = $(wildcard ${DIR_SRC}/*.cpp) 22 OBJ = $(patsubst %.cpp,${DIR_OBJ}/%.o,$(notdir ${SRC})) $(DIR_OBJ)/sqlite3.o 23 24 SO_TARGET = ${DIR_BIN}/${root} 25 LIB_TARGET= ${DIR_BIN}/${root_a} 26 27 28 # Targets start here. 29 default: $(PLAT) 30 31 none: 32 @echo "Please do 'make PLATFORM' where PLATFORM is one of these:" 33 @echo " $(PLATS)" 34 35 ${SO_TARGET}:${OBJ} 36 $(CXX) $(OBJ) -o $@ $(LDFLAGS) 37 cp ${DIR_BIN}/${root} ./test/ -f 38 39 ${LIB_TARGET}:${OBJ} 40 $(AR) $@ ${OBJ} 41 $(RANLIB) $@ 42 43 dir: 44 $(MKDIR_P) $(DIR_OBJ) $(DIR_BIN); 45 46 all:$(SO_TARGET) $(LIB_TARGET) 47 48 ALL = dir all 49 50 linux: 51 $(MAKE) $(ALL) DIR_OBJ="./obj_linux/" DIR_BIN="./out/linux" \ 52 CC="gcc" CXX="g++" AR="ar rcu" RANLIB="ranlib" \ 53 CFLAGS="-Wno-write-strings -m32 -O2 -D_DEBUG -D_LINUX -fPIC" \ 54 LDFLAGS="-O2 -shared -m32 -ldl -pthread -lrt -L./lib/linux -llua -lProtection -lz -lcurl" 55 56 arm: 57 $(MAKE) $(ALL) DIR_OBJ="./obj_arm/" DIR_BIN="./out/arm" \ 58 CC="arm-linux-gnueabihf-gcc" CXX="arm-linux-gnueabihf-g++" \ 59 AR="arm-linux-gnueabihf-ar rcu" RANLIB="arm-linux-gnueabihf-ranlib" \ 60 CFLAGS="-Wno-write-strings -O2 -D_ARM -D__LINUX -fPIC" \ 61 LDFLAGS="-O2 -shared -ldl -pthread -lrt -L./lib/arm -llua -lProtection -lz -lcurl" 62 63 64 # list targets that do not create files (but not all makes understand .PHONY) 65 .PHONY: all $(PLATS) default clean none 66 67 ${DIR_OBJ}/%.o:${DIR_SRC}/%.cpp 68 $(CXX) $(CFLAGS) $(INCLUDE) -c $< -o $@ 69 70 ${DIR_OBJ}/sqlite3.o:${DIR_SRC}/sqlite3.c 71 $(CC) $(CFLAGS) $(INCLUDE) -c $< -o $@ 72 73 .PHONY:clean 74 clean: 75 -find ${DIR_OBJ} -name *.o -exec rm -rf {} \;
