makefile如何调用静态库的方法实现
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LinuxUbuntu18.04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#include"opencv2/opencv.hpp" intmain() { cv::Matimage=cv::imread("./testPic/jianhui.jpg"); //cv::imshow("xxx",image); //cv::waitKey(40); printf("image.col=%dimage.row=%d\n",image.cols,image.rows); cv::imwrite("aa.jpg",image); return0; }
Makefile
EXE=main #SUBDIR=srcobject #CXXFLAGS:编译选项,LDFLAGS:链接选项 thirdparty_root:=/local_install/static CC:=g++ #exportPKG_CONFIG_PATH:=${thirdparty_root}/lib/pkgconfig:${PKG_CONFIG_PATH} #INCS+=`pkg-config--cflagsopencv` #LIBS+=`pkg-config--libsopencv` INCS:=-I${thirdparty_root}/include LIBS+=-L${thirdparty_root}/lib-lopencv_imgcodecs-lopencv_dnn-lopencv_imgproc-lopencv_core #LIBS+=-L${thirdparty_root}/lib-lopencv_imgcodecs-lopencv_imgproc-lopencv_core#亲们,顺序不能变,因为这个快把我整崩溃了 LIBS+=-L${thirdparty_root}/share/OpenCV/3rdparty/lib-lIlmImf-llibjasper-llibjpeg-llibpng-llibtiff-llibwebp-lzlib-lippicv-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:#动态库的时候需要寻找的路径 #CXX_SOURCES=$(foreachdir,$(SUBDIR),$(wildcard$(dir)/*.cpp)) #CXX_OBJECTS=$(patsubst%.cpp,%.o,$(CXX_SOURCES)) CXX_OBJECTS:=$(patsubst%.cpp,%.o,$(shellfind.-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$(CXX_OBJECTS)
上面的Makefile是用调用动态库的方式来调用静态库,如果同时存在静态库和动态库,会优先调用动态库
EXE=CppWebServer #SUBDIR=srcobject #CXXFLAGS:编译选项,LDFLAGS:链接选项 CC:=g++ thirdparty_root:=/local_install/static #INCS+=`pkg-config--cflagsopencv` INCS+=-I/usr/lib/jdk1.8.0_191/include INCS+=-I/usr/lib/jdk1.8.0_191/include/linux/ INCS+=-I./include INCS:=-I${thirdparty_root}/include #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+=${thirdparty_root}/lib/libopencv_imgcodecs.a LIBS+=${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+=${thirdparty_root}/share/OpenCV/3rdparty/lib/libippicv.a LIBS+=-L./lib-lTHFaceImage-lTHFeature LIBS+=-ldl #LIBS+=`pkg-config--libsopencv` CXXFLAGS:=-Wall-c-O2-std=c++11$(INCS) LDFLAGS:=$(LIBS) LDFLAGS+=-lpthread #CXXFLAGS+=-I/usr/local/include/ #LDFLAGS+=-L/usr/local/lib-lopencv_world #CXX_SOURCES=$(foreachdir,$(SUBDIR),$(wildcard$(dir)/*.cpp)) #CXX_OBJECTS=$(patsubst%.cpp,%.o,$(CXX_SOURCES)) CXX_OBJECTS:=$(patsubst%.cpp,%.o,$(shellfind.-name"*.cpp")) CXX_OBJECTS+=$(patsubst%.c,%.o,$(shellfind.-name"*.c")) DEP_FILES=$(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$(OBJ_DIR)];thenmkdir-p$(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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