2 - sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test
3 - sudo add-apt-repository -y ppa:kalakris/cmake
4 - sudo apt-add-repository -y ppa:beineri/opt-qt521
5 - sudo apt-get -qq update
8 - sudo apt-get install -q gcc-4.7 g++-4.7
9 - if [ "$CXX" = "clang" ]; then sudo apt-get install -q clang-3.4; fi
10 - sudo apt-get install -q cmake
11 - sudo apt-get install -q qt52base qt52webkit qt52tools qt52script
12 - if [ "$CXX" = "g++" ]; then export CXX="g++-4.7" CC="gcc-4.7"; fi
27 - if [ "$QT_VERSION" = "qt4" ]; then cmake ..; fi
28 - if [ "$QT_VERSION" = "qt5" ]; then source /opt/qt52/bin/qt52-env.sh && cmake -DUSE_QT5=ON ..; fi