I am new to ruby, but while trying to install capybara to run test on my system I get the following error. Im running OSX
my_app$ gem install capybara-webkit
For Debian & Ubuntu
sudo apt-get update sudo apt-get install g++ qt5-default libqt5webkit5-dev gstreamer1.0-plugins-base gstreamer1.0-tools gstreamer1.0-x
You can find other ways to install Qt here