我必须使用OpenCV做一些项目。我下载了Eclipse，用CDT升级了它，使用了MinGW和链接的OpenCV库。但我仍然无法推出单一节目！
01:27:48 **** Rebuild of configuration Debug for project Detector ****
Info: Internal Builder is used for build
g++ "-IC:\\opencv\\build\\include" "-IC:\\Program Files (x86)\\Microsoft Visual Studio 11.0\\VC\\include" "-IC:\\MinGW\\mingw32\\lib\\gcc\\mingw32\\4.8.1\\include" "-IC:\\MinGW\\mingw32\\include" "-IC:\\MinGW\\include" "-IC:\\opencv\\build\\include\\opencv" "-IC:\\opencv\\build\\include\\opencv2" "-IC:\\opencv\\include" "-IC:\\opencv\\include\\opencv" -O0 -g3 -Wall -c -fmessage-length=0 -o "src\\main.o" "..\\src\\main.cpp"
Cannot run program "g++": Launching failed
Error: Program "g++" not found in PATH
PATH=[C:\MinGW\bin;C:\MinGW\msys\1.0\binC:/Program Files (x86)/Java/jre7/bin/client;C:/Program Files (x86)/Java/jre7/bin;C:/Program Files (x86)/Java/jre7/lib/i386;C:\Program Files (x86)\EasyPHP-DevServer\binaries\php\php_runningversion;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files\TortoiseSVN\bin;C:\Program Files\Microsoft\Web Platform Installer\;C:\Program Files (x86)\Microsoft ASP.NET\ASP.NET Web Pages\v1.0\;C:\Program Files\Microsoft SQL Server\110\Tools\Binn\;C:\Program Files (x86)\Bitvise SSH Client;C:\opencv\build\bin\;C:\opencv\build\x86\vc10\bin\;C:\opencv\;C:\Program Files (x86)\Windows Kits\8.0\Windows Performance Toolkit\;C:\Program Files\Java\jre7\bin\;C:\eclipseCPP\Program Files (x86)\Microsoft ASP.NET\ASP.NET Web Pages\v1.0\;C:\Program Files\Microsoft SQL Server\110\Tools\Binn\;C:\Program Files (x86)\Bitvise SSH Client;C:\opencv\build\bin\;C:\opencv\build\x86\vc10\bin\;C:\opencv\;C:\Program Files (x86)\Windows Kits\8.0\Windows Performance Toolkit\;C:\Program Files\Java\jre7\bin\;C:\eclipseCPP]
有人可以告诉我，问题出在哪里？ （我在Windows上工作）
答案 0 :(得分：1)
各种答案摘要：
获取gcc-g++ bin和dll：请参阅MinGW for gcc-g ++的页面方式：http://www.mingw.org/wiki/InstallationHOWTOforMinGW
检查g++.exe位置，如有必要，将其添加到环境变量PATH。
答案 1 :(得分：0)
安装MinGW后，仍然需要在MinGW中安装gcc和g ++编译器。