升级了系统，在win10环境下进行Qt+Opencv+CMake的配置

之前在win7系统下的配置链接：http://blog.csdn.net/sinat_36420785/article/details/60906140

本文参考：https://wiki.qt.io/How_to_setup_Qt_and_openCV_on_Windows

Qt:5.9.1            

             下载链接：https://www.qt.io/download-open-source/

OpenCV:3.2.0

             下载链接：https://sourceforge.net/projects/opencvlibrary/files/opencv-win/3.2.0/

CMake:3.7.2

             下载链接： https://cmake.org/files/v3.7/cmake-3.7.2-win64-x64.msi

在D盘下创建新文件夹（Qt-Opencv）,将Qt5.9.1，Opencv3.2.0和CMake放在D:\Qt-Opencv\下。

安装Qt：

Welcome to the Qt online installer: next
Qt Account - your unified login to everything Qt: skip
Setup-Qt: next
installation folder: D:\Qt-Opencv\Qt
select components: Qt-Qt5.9-MingGW 5.3.0 32 bit
select components: Qt-Tools-MinGW 5.3.0    
License Agreement: agree and next
start menu shortcuts: next
ready to install: install

按照上述流程安装Qt， 一定要勾选Qt-Qt5.9-MingGW 5.3.0 32 bit和Qt-Tools-MinGW 5.3.0。

在D:\Qt-Opencv\Qt\Tools\QtCreator\bin\qtcreator.exe，即为QtCreator。

此时要配置环境变量，添加环境变量 Path，D:\Qt-Opencv\Qt\Tools\mingw530_32\bin;

安装OpenCV：

点击opencv-3.2.0-vc14.exe直接运行，安装在D:\Qt-Opencv\Opencv-3.2.0目录下。

安装CMake:

Welcome to the CMake etup Wizzard: next
End-User License Agreement:  勾选Accept and next
Install options: 勾选 Add CMake to the system PATH for all users, next
Destination folder: C:\Program Files\CMake (default), next
Ready to install CMake, Install

配置Opencv：

运行CMake（C:\Program Files\CMake\bin\cmake-gui.exe），然后：

Where is the source code: D:\Qt-Opencv\opencv-3.2.0\sources

Where to build the binaries: D:\opencv-build

点击finish，然后cmake进行配置。

勾选WITH_OPENGL和WITH_QT，去除掉WITH_IPP；

再次configure；

对出现的红色部分进行选择：

Set QT_MAKE_EXECUTABLE to D:\Qt\5.9\mingw53_32\bin\qmake.exe
Set Qt5Concurrent_DIR to D:\Qt\5.9\mingw53_32\lib\cmake\Qt5Concurrent
Set Qt5Core_DIR to D:\Qt\5.9\mingw53_32\lib\cmake\Qt5Core
Set Qt5Gui_DIR to D:\Qt\5.9\mingw53_32\lib\cmake\Qt5Gui
Set Qt5Test_DIR to D:\Qt\5.9\mingw53_32\lib\cmake\Qt5Test
Set Qt5Widgets_DIR to D:\Qt\5.9\mingw53_32\lib\cmake\Qt5Widgets
Set Qt5OpenGL_DIR to D:\Qt\5.9\mingw53_32\lib\cmake\Qt5OpenGL
Set CMAKE_BUILD_TYPE to Release or RelWithDebInfo

再次configure

configure done后点击generate，等待generate done；

在目录D:\Qt-Opencv\opencv-3.2.0\cmake\下找到OpenCVCompilerOptions.cmake文件。打开文件（我用记事本打开的），找到：add_extra_compiler_option(-Werror=non-vitural-dtor)将他注释掉，就是给其前面加一个井号键

添加环境变量Path：

D:\Qt-Opencv\Qt\Tools\ mingw53_32\bin;

D:\Qt-Opencv\Qt\5.9.1\ mingw53_32\bin;

运行cmd

d:
cd d:\

cd d:\Qt-Opencv

cd opencv-build 
mingw32-make （持续时间较长）

mingw32-make install

添加环境变量Path，D:\Qt-Opencv\opencv_mingw\install\x86\mingw\bin添加入系统环境变量

至此，在win10系统下对Qt5.9.1+OpenCV3.2.0的配置完成。

直到编译结束。然后输入命令：mingw32-make install ，大约一到两分钟就安装完成了。

　　　注意点：若编译期间出现如下错误：

　　　　错误: ... windres.exe: unknown option -- W ...

　　　　根据提示依据如下思路解决： in cmake uncheck ENABLE_PRECOMPILED_HEADERS

　　　　即：mingw32-make ENABLE_PRECOMPILED_HEADERS -j 8

　　　　http://answers.opencv.org/question/168538/building-opencv-with-mingw-gcc-710-and-cmake-390-windresexe-unknown-option-w/

　　　　错误：in the file opencv/sources/modules/videoio/src/cap_dshow.cpp, you have the following error : 'sprintf_instead_use_StringCbPrintfA_or_StringCchPrintfA' was not declared in this scope ...

　　　　解决：put the following line: #define NO_DSHOW_STRSAFE, before the line : #include "DShow.h"

　　　　即：在D:\Qt\opencv3.4.0\opencv\source\modules\videoio\src\cap_dshow.cpp中，在#include “DShow.h“上一行中插入: #define NO_DSHOW_STRSAFE

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