makefile如何調用靜態(tài)庫的方法實現

更新時間：2020年12月23日 09:52:20 作者：wch_NUDT

這篇文章主要介紹了makefile如何調用靜態(tài)庫的方法實現，文中通過示例代碼介紹的非常詳細，對大家的學習或者工作具有一定的參考學習價值，需要的朋友們下面隨著小編來一起學習學習吧

makefile如何調用靜態(tài)庫

1、在windows下 g++環(huán)境中，調用一個python的靜態(tài)鏈接庫，在makefile文件有一段是全局的g++命令：

$(PROG): $(OBJS)
 $(CXX) $(LFLAGS) $^ -o $@

現在我要鏈接上一個python的靜態(tài)庫，lib存儲在makefile同目錄下libs文件夾下：

$(PROG): $(OBJS)
 $(CXX) $(LFLAGS) $^ -o $@ ./libs/libpython37.a

2、在Linux Ubuntu 18.04版本中添加靜態(tài)庫，視python版本而定：

$(PROG): $(OBJS)
 $(CXX) $(LFLAGS) $^ -o $@ -lpython3.6m

Makefile 如何調用opencv 的靜態(tài)庫

main.cpp

#include <stdio.h>
#include "opencv2/opencv.hpp"

int main()
{

  cv::Mat image = cv::imread("./testPic/jianhui.jpg");

  //cv::imshow("xxx", image);

  //cv::waitKey(40);

  printf("image.col=%d image.row=%d \n", image.cols, image.rows);

  cv::imwrite("aa.jpg", image);

  return 0;
}

Makefile

EXE=main

#SUBDIR=src object
#CXXFLAGS:編譯選項, LDFLAGS:鏈接選項
thirdparty_root := /local_install/static
CC := g++


#export PKG_CONFIG_PATH := ${thirdparty_root}/lib/pkgconfig:${PKG_CONFIG_PATH}
#INCS += `pkg-config --cflags opencv`
#LIBS += `pkg-config --libs opencv`

INCS := -I${thirdparty_root}/include


LIBS += -L${thirdparty_root}/lib -lopencv_imgcodecs -lopencv_dnn -lopencv_imgproc -lopencv_core 
#LIBS += -L${thirdparty_root}/lib -lopencv_imgcodecs -lopencv_imgproc -lopencv_core # 親們，順序不能變，因為這個快把我整崩潰了
LIBS += -L${thirdparty_root}/share/OpenCV/3rdparty/lib -lIlmImf -llibjasper -llibjpeg -llibpng -llibtiff -llibwebp -lzlib -lippicv -ldl



CXXFLAGS := -Wall -c -O2 -std=c++11 $(INCS)
LDFLAGS := $(LIBS)
LDFLAGS += -lpthread
#LDFLAGS += -Wl,-rpath,${thirdparty_root}/share/OpenCV/3rdparty/lib:${thirdparty_root}/lib: # 動態(tài)庫的時候需要尋找的路徑



#CXX_SOURCES =$(foreach dir,$(SUBDIR), $(wildcard $(dir)/*.cpp))
#CXX_OBJECTS=$(patsubst %.cpp, %.o, $(CXX_SOURCES))

CXX_OBJECTS := $(patsubst %.cpp,%.o,$(shell find . -name "*.cpp"))
DEP_FILES =$(patsubst %.o, %.d, $(CXX_OBJECTS))

$(EXE): $(CXX_OBJECTS)
 $(CC) $(CXX_OBJECTS) -o $(EXE) $(LDFLAGS)
 
%.o: %.cpp
 $(CC) -c $(CXXFLAGS) -MMD $< -o $@

-include $(DEP_FILES)

clean: 
 rm -rf $(CXX_OBJECTS) $(DEP_FILES) $(EXE)

test:
 echo $(CXX_OBJECTS)

上面的Makefile 是用調用動態(tài)庫的方式來調用靜態(tài)庫，如果同時存在靜態(tài)庫和動態(tài)庫，會優(yōu)先調用動態(tài)庫

EXE=CppWebServer

#SUBDIR=src object
#CXXFLAGS:編譯選項, LDFLAGS:鏈接選項
CC := g++
thirdparty_root := /local_install/static


#INCS += `pkg-config --cflags opencv`
INCS += -I/usr/lib/jdk1.8.0_191/include
INCS += -I/usr/lib/jdk1.8.0_191/include/linux/

INCS += -I./include

INCS := -I${thirdparty_root}/include

# 這種方式調用靜態(tài)庫，保證在在動態(tài)庫也存在的時候也能調用到靜態(tài)庫
LIBS += ${thirdparty_root}/lib/libopencv_imgcodecs.a
LIBS += ${thirdparty_root}/lib/libopencv_dnn.a
LIBS += ${thirdparty_root}/lib/libopencv_imgproc.a
LIBS += ${thirdparty_root}/lib/libopencv_core.a
LIBS += ${thirdparty_root}/share/OpenCV/3rdparty/lib/libIlmImf.a
LIBS += ${thirdparty_root}/share/OpenCV/3rdparty/lib/liblibjasper.a
LIBS += ${thirdparty_root}/share/OpenCV/3rdparty/lib/liblibjasper.a
LIBS += ${thirdparty_root}/share/OpenCV/3rdparty/lib/liblibjpeg.a
LIBS += ${thirdparty_root}/share/OpenCV/3rdparty/lib/liblibpng.a
LIBS += ${thirdparty_root}/share/OpenCV/3rdparty/lib/liblibtiff.a
LIBS += ${thirdparty_root}/share/OpenCV/3rdparty/lib/liblibwebp.a
LIBS += ${thirdparty_root}/share/OpenCV/3rdparty/lib/libzlib.a
LIBS += ${thirdparty_root}/share/OpenCV/3rdparty/lib/libippicv.a


LIBS += -L./lib -lTHFaceImage -lTHFeature
LIBS += -ldl
#LIBS += `pkg-config --libs opencv`


CXXFLAGS := -Wall -c -O2 -std=c++11 $(INCS)
LDFLAGS := $(LIBS) 
LDFLAGS += -lpthread

#CXXFLAGS += -I/usr/local/include/
#LDFLAGS += -L/usr/local/lib -lopencv_world

#CXX_SOURCES =$(foreach dir,$(SUBDIR), $(wildcard $(dir)/*.cpp))
#CXX_OBJECTS=$(patsubst %.cpp, %.o, $(CXX_SOURCES))

CXX_OBJECTS := $(patsubst %.cpp,%.o,$(shell find . -name "*.cpp"))
CXX_OBJECTS += $(patsubst %.c,%.o,$(shell find . -name "*.c"))

DEP_FILES =$(patsubst %.o, %.d, $(CXX_OBJECTS))

$(EXE): $(CXX_OBJECTS)
 $(CC) $(CXX_OBJECTS) -o $(EXE) $(LDFLAGS)

%.o: %.cpp
 $(CC) -c $(CXXFLAGS) -MMD $< -o $@

-include $(DEP_FILES)

clean: 
 rm -rf $(CXX_OBJECTS) $(DEP_FILES) $(EXE) 

OBJ_DIR = obj
move:
 if [ ! -d $(OBJ_DIR) ]; then mkdir -p $(OBJ_DIR); fi;\
 mv $(CXX_OBJECTS) $(OBJ_DIR); \
 mv $(DEP_FILES) $(OBJ_DIR); \
 mv $(EXE) $(OBJ_DIR)
 
test:
 echo $(CXX_OBJECTS)

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