Running build steps for project comapp...
Creating gdb macros library...
Creating gdb macros library...
No valid Qt version set. Set one in Tools/Options
Error while building project comapp
When executing build step 'QMake'
Canceled build.
我安装的是开源版,在xp下安装好后,编译qt的例子报的错,
高手帮我解决哈