elif [ "$QT_VERSION" == "5.5.1" ]; then
if test $TRAVIS_OS_NAME == linux ; then sudo add-apt-repository --yes ppa:beineri/opt-qt551-trusty; fi
if test $TRAVIS_OS_NAME == linux ; then sudo apt-get update -qq; fi
- if test $TRAVIS_OS_NAME == linux ; then sudo apt-get -y --force-yes install qt55tools; fi
+ if test $TRAVIS_OS_NAME == linux ; then sudo apt-get -y --force-yes install qt55tools qt55x11extras; fi
fi
if test $TRAVIS_OS_NAME == osx ; then brew install qt5; fi
if test $TRAVIS_OS_NAME == osx ; then brew link qt5 --force; fi