The Docker image contains the OS and dependencies to produce a standalone copy of Qt 5.6, written to the current working directory.
Install
$ git clone https://gist.github.com/079a94008192a222c837812d7c9f14ea.git build-qt5
$ cd build-qt5
$ docker build -t mottosso/scientific:6.6-qt5 .
$ docker run -ti --rm -v $(pwd):/home/root mottosso/scientific:6.6-qt5 bash build.sh
$ cd qt5.6