Qt examples fail to run on Ubuntu

Question

I am beginner on Qt,i just installed the last version with Qt creator. I choose Calculator example or create new Application and when i build i always got the same errors:

cannot find -lGL
collect2: error: ld returned 1 exit status.

Could someone help me to overcome those errors? Thank you

Answer 1

正如 ubuntu 中指出的文档，您必须安装以下内容：

sudo apt-get install build-essential libgl1-mesa-dev