How to install Qt5 on Ubuntu

sudo apt-get install build-essential perl python "^libxcb.*" libx11-xcb-dev libglu1-mesa-dev libxrender-dev flex bison gperf libicu-dev libxslt-dev ruby libcups2-dev libgstreamer-plugins-base0.10-dev libssl-dev libpulse-dev libasound2-dev libgtk2.0-dev
wget http://releases.qt-project.org/qt5/5.0.0/single/qt-everywhere-opensource-src-5.0.0.tar.gz
tar -xf qt-everywhere-opensource-src-5.0.0.tar.gz
cd qt-everywhere-opensource-src-5.0.0




./configure -opensource -confirm-license -release -nomake tests -nomake examples -nomake demos

make -j3

sudo make install




http://2buntu.com/1267/how-to-install-qt-50-on-ubuntu-1210/