上午在linux环境下，使用QT编译一段C++代码，出现下列错误：

最近在stackoverflow上找到了答案：

i was also having the same problem so what i did is

For linux

sudo apt-get install g++ sudo apt-get install libgl1-mesa-dev libglu1-mesa-dev

and then closed the qt creator and restarted it and it worked

i do not know which of the above two made it work but it worked !!

For Windows

Below given solution have worked for few people. so it is worth a try.

Delete this file C:\Users\AppData\Roaming\QtProject\qtcreator\toolchains.xml to solve the problem.

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