无法运行程序“g++”：启动失败- Eclipse C++

Question

我必须和OpenCV一起做一些项目。我下载了Eclipse，使用CDT对其进行了升级，安装了MinGW并链接了OpenCV库。但是我仍然不能启动任何程序！

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]

谁能告诉我，问题出在哪里？(我在Windows上工作)

Answer 1

各种答案摘要：

1. Get gcc-g++ bin and dll：如有必要，请参阅MinGW http://www.mingw.org/wiki/InstallationHOWTOforMinGW

-g++的how to页面-g++：http://www.mingw.org/wiki/InstallationHOWTOforMinGW

1. Check g++.exe location并将其添加到您的环境变量PATH。

Answer 2

安装MinGW后，仍然需要在MinGW中安装gcc编译器和g++编译器。