makefile如何调用静态库

1、在windows下 g++环境中，调用一个python的静态链接库，在makefile文件有一段是全局的g++命令：

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

现在我要链接上一个python的静态库，lib存储在makefile同目录下libs文件夹下：

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

2、在Linux Ubuntu 18.04版本中添加静态库，视python版本而定：

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

Makefile 如何调用opencv 的静态库

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:编译选项, LDFLAGS:链接选项thirdparty_root := /local_install/staticCC := g++#export PKG_CONFIG_PATH := ${thirdparty_root}/lib/pkgconfig:${PKG_CONFIG_PATH}#INCS += `pkg-config --cflags opencv`#LIBS += `pkg-config --libs opencv`INCS := -I${thirdparty_root}/includeLIBS += -L${thirdparty_root}/lib -lopencv_imgcodecs -lopencv_dnn -lopencv_imgproc -lopencv_core #LIBS += -L${thirdparty_root}/lib -lopencv_imgcodecs -lopencv_imgproc -lopencv_core # 亲们，顺序不能变，因为这个快把我整崩溃了LIBS += -L${thirdparty_root}/share/OpenCV/3rdparty/lib -lIlmImf -llibjasper -llibjpeg -llibpng -llibtiff -llibwebp -lzlib -lippicv -ldlCXXFLAGS := -Wall -c -O2 -std=c++11 $(INCS)LDFLAGS := $(LIBS)LDFLAGS += -lpthread#LDFLAGS += -Wl,-rpath,${thirdparty_root}/share/OpenCV/3rdparty/lib:${thirdparty_root}/lib: # 动态库的时候需要寻找的路径#CXX_SOURCES =$(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 是用调用动态库的方式来调用静态库，如果同时存在静态库和动态库，会优先调用动态库

EXE=CppWebServer#SUBDIR=src object#CXXFLAGS:编译选项, LDFLAGS:链接选项CC := g++thirdparty_root := /local_install/static#INCS += `pkg-config --cflags opencv`INCS += -I/usr/lib/jdk1.8.0_191/includeINCS += -I/usr/lib/jdk1.8.0_191/include/linux/INCS += -I./includeINCS := -I${thirdparty_root}/include# 这种方式调用静态库，保证在在动态库也存在的时候也能调用到静态库LIBS += ${thirdparty_root}/lib/libopencv_imgcodecs.aLIBS += ${thirdparty_root}/lib/libopencv_dnn.aLIBS += ${thirdparty_root}/lib/libopencv_imgproc.aLIBS += ${thirdparty_root}/lib/libopencv_core.aLIBS += ${thirdparty_root}/share/OpenCV/3rdparty/lib/libIlmImf.aLIBS += ${thirdparty_root}/share/OpenCV/3rdparty/lib/liblibjasper.aLIBS += ${thirdparty_root}/share/OpenCV/3rdparty/lib/liblibjasper.aLIBS += ${thirdparty_root}/share/OpenCV/3rdparty/lib/liblibjpeg.aLIBS += ${thirdparty_root}/share/OpenCV/3rdparty/lib/liblibpng.aLIBS += ${thirdparty_root}/share/OpenCV/3rdparty/lib/liblibtiff.aLIBS += ${thirdparty_root}/share/OpenCV/3rdparty/lib/liblibwebp.aLIBS += ${thirdparty_root}/share/OpenCV/3rdparty/lib/libzlib.aLIBS += ${thirdparty_root}/share/OpenCV/3rdparty/lib/libippicv.aLIBS += -L./lib -lTHFaceImage -lTHFeatureLIBS += -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 = objmove: 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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