# To avoid Qt Creator from source mistakes the version of Qt upon building

I got the following error when I try building Qt Creator from source.

user@host:/usr/share/qtcreator/qtcreator_build$qmake -version QMake version 2.01a Using Qt version 4.8.2 in /usr/local/Trolltech/Qt-4.8.2/lib user@host:/usr/share/qtcreator/qtcreator_build$ sudo qmake ../qtcreator_fromSrc/qtcreator.pro
Project MESSAGE: Cannot build Qt Creator with Qt version 4.6.2.
Project ERROR: Use at least Qt 4.7.4.


As shown, the Qt library in use above is 4.8.2, which should be qualifying ver 4.7.2. It's installed from source. How can I let the qtcreator installer recognize the right qt version?

My workaround was to copy the source of Qt Creator to the area that doesn't require super user permission. HTH.

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