How to set QMAKESPEC ??

[vermarajeev]

thanks. but i have aleady checked this link. the main problem is i am not getting how to set QMAKESPEC to linux-g++.
So i wil be greatful to you if u can help me in this.
Thanks

I'm not too a linux expert but I think you can use export QMAKESPECS=PATH WHAT YOU WANT TO SET.
Hope this helps.