I'm out... :/

I have Xubuntu 14.04. After install qt4, I cant find "QtMultimedia" folder in /usr/include/qt4/Qt
I don't know how to install it. I want sound in qt bitcoin trader.

Please developers try install new build on ubuntu/xubuntu 14.04 and make simply install instruction.

Thank for advance.

//Sorry for my english

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Best regards
Stefan