转载 https://www.cnblogs.com/howlclat/p/6433097.html
1、下载工具:
下载安装Qt最新版本:http://download.qt.io/official_releases/qt/
下载安装Cmake最新版本:https://cmake.org/download/
下载安装opencv3.1: https://sourceforge.net/projects/opencvlibrary/files/
2、双击打开cmake-gui,指定opencv的source目录,新建release文件夹作为编译输出目录。
2、点击Configure
3、在弹出窗口的下拉列表里选择MinGW Makefiles,选项选择Specify native compilers,点击Next;
指定编译器,在Qt自带的MinGW的目录下:
C 编译器:C:/Qt/Qt5.7.0/Tools/mingw530_32/bin/gcc.exe
C++编译器:C:/Qt/Qt5.7.0/Tools/mingw530_32/bin/g++.exe
Fortran不用填写
点击Finish
如果报这个错误:
Cmake was unable to find a build program corresponding to "MinGW Makefiles",
CMAKE_MAKE_PROGRAM" is not set, You probably need to select a different build tool.
需要配置环境变量C:/Qt/Qt5.7.0/Tools/mingw530_32/bin/
4、 单击”Generate“,产生Makefile文件,成功后,下面会提示Generating done,必须联网,可能会下载一些库;
5、进入”D:\opencv\release“目录,输入mingw32-make开始编译,此过程较为漫长;
6、编译完成后输入mingw32-make install,安装完成。
7.在.pro添加
INCLUDEPATH += D:\ProgramFile\opencv3.1.0\opencvMinGW\install\include
LIBS += -LD:\ProgramFile\opencv3.1.0\opencvMinGW\install\x86\mingw\bin\
libopencv_core310 \
libopencv_highgui310 \
libopencv_imgproc310 \
libopencv_features2d310 \
libopencv_calib3d310 \
libopencv_imgcodecs310 \
libopencv_video310 \
libopencv_videoio310 \
libopencv_videostab310
8.ok,可以正常些opencv代码了!