Documentation takes time – sometimes a lot of time. Here a few examples how to create dependencies pictures with Graphviz via command line. These commands can then be easily transferred to a build-process to save your time.

Mac OS X

# install Graphviz on Mac OS X
$ curl -O http://www.graphviz.org/pub/graphviz/stable/macos/mountainlion/graphviz-2.36.0.pkg
$ open graphviz-2.36.0.pkg

# check installation
$ dot -V
dot - graphviz version 2.36.0 (20140111.2315)

# clone PureDarwin
$ git clone https://github.com/PureDarwin/PureDarwin.git

# change directory
$ cd PureDarwin/scripts/

# create graph for non-installed mtr
$ sudo ./pd_portviz mtr

CentOS 7

# install Graphviz on CentOS 7
$ yum install -y graphviz

# check installation
$ dot -V
dot - graphviz version 2.30.1 (20150306.0020)

# install rpmdep
$ yum install -y epel-release && yum install -y rpmorphan

# create graph for installed which
$ rpmdep -dot which.dot which

Debian 8

# install Graphviz on Debian 8
$ apt-get install -y graphviz

# check installation
$ dot -V
dot - graphviz version 2.38.0 (20140413.2041)

# install debtree
$ apt-get install -y debtree

# create graph for non-installed make
$ debtree --with-suggests make > make.dot

Example graph for mtr on Mac OS X

# convert .dot into png
$ dot -Tpng mtr.dot -o mtr.png