Installation of the Dep2pict program

Dep2pict is implemented with the Ocaml language. It is easy to install on Linux or Mac OS X (installation on Windows should be possible, but this is untested).

If Dep2pict is already installed, please consult the upgrade page.

⚠️ If you run into trouble using instructions of this page, feel free to send a mail to the maintainer.

1) Install prerequisite

On Ubuntu or Debian

apt update && apt install libcairo2-dev wget m4 unzip librsvg2-bin curl bubblewrap

On Mac OS X

2) Install opam

opam is a package manager for Ocaml. Dep2pict requires opam version 2.0.0 or higher.

On Ubuntu or Debian

The apt package manager does not currently (February 2019) provide opam version 2.

You should be able to install version 2.0.3 with the following commands:

For more information, please consult opam installation page.

On Mac OS X

HomeBrew and MacPorts propose opam version 2 by default. You can install with

3) Setup opam

Run opam init and follow instructions. Note that it takes some times to download and build the ocaml compiler.

NB: some user have reported that the command opam init --disable-sandboxing may avoid errors given by opam init.

Check that ocaml is installed with ocamlc -v.

4) Install Dep2pict software

opam remote add grew
opam install --yes dep2pict

Installation of the PyQt GUI

A PyQt GUI is available (the dep2pict CLI must be installed separately). The installation command for the GUI is:

pip install dep2pict-gui

Depending on your Python installation, you may have to replace pip by pip3.

You can check that it is well installed with the unix command dep2pict-gui.