View the most recent changes for the nauty port at: nauty.darwinports.com/diff
Scroll down toward the bottom of the page to get installation instructions for nauty.
The raw portfile for nauty 2.4b7 is located here:
http://nauty.darwinports.com/dports/math/nauty/Portfile
Find related portfiles with the unique DarwinPorts.com search feature.
Check for any related Fink projects here: pdb.finkproject.org/pdb/package.php/nauty

The nauty Portfile 52216 2009-06-12 08:39:47Z ryandesign macports.org $
PortSystem 1.0

Name: nauty
Version: 2.4b7
Category: math science
Platform: darwin
Maintainers: stechert openmaintainer
Homepage: http://cs.anu.edu.au/people/bdm/nauty/
Master Sites: ${homepage}
distname ${name}${version}
worksrcdir nauty24b7
Checksums: md5 183b5a7e7c7a470ad0d81713dec65e6a sha1 932cd09eedfabf305373814f05f107b0bde3f515 rmd160 42e2111518e78eca0da72cc7c9fe487768f93225

Description: nauty is a program for computing automorphism groups of graphs and digraphs.
Long Description: nauty is a program for computing automorphism groups of graphs and digraphs. It can also produce a canonical labelling. nauty is subject to the following usage restrictions: Copyright (1984-2004) Brendan McKay. All rights reserved. Permission is hereby given for use and/or distribution with the exception of sale for profit or application with nontrivial military significance. You must not remove this copyright notice, and you must document any changes that you make to this program. This software is subject to this copyright only, irrespective of any copyright attached to any package of which this is a part. Absolutely no guarantees or warranties are made concerning the suitability, correctness, or any other aspect of this program. Any use is at your own risk.

destroot {
file copy ${worksrcpath}/NRswitchg ${destroot}${prefix}/bin
file copy ${worksrcpath}/addedgeg ${destroot}${prefix}/bin
file copy ${worksrcpath}/amtog ${destroot}${prefix}/bin
file copy ${worksrcpath}/biplabg ${destroot}${prefix}/bin
file copy ${worksrcpath}/catg ${destroot}${prefix}/bin
file copy ${worksrcpath}/complg ${destroot}${prefix}/bin
file copy ${worksrcpath}/copyg ${destroot}${prefix}/bin
file copy ${worksrcpath}/countg ${destroot}${prefix}/bin
file copy ${worksrcpath}/deledgeg ${destroot}${prefix}/bin
file copy ${worksrcpath}/directg ${destroot}${prefix}/bin
file copy ${worksrcpath}/dreadnaut ${destroot}${prefix}/bin
file copy ${worksrcpath}/dretog ${destroot}${prefix}/bin
file copy ${worksrcpath}/genbg ${destroot}${prefix}/bin
file copy ${worksrcpath}/geng ${destroot}${prefix}/bin
file copy ${worksrcpath}/genrang ${destroot}${prefix}/bin
file copy ${worksrcpath}/labelg ${destroot}${prefix}/bin
file copy ${worksrcpath}/listg ${destroot}${prefix}/bin
file copy ${worksrcpath}/multig ${destroot}${prefix}/bin
file copy ${worksrcpath}/newedgeg ${destroot}${prefix}/bin
file copy ${worksrcpath}/pickg ${destroot}${prefix}/bin
file copy ${worksrcpath}/planarg ${destroot}${prefix}/bin
file copy ${worksrcpath}/shortg ${destroot}${prefix}/bin
file copy ${worksrcpath}/showg ${destroot}${prefix}/bin
}

If you haven't already installed Darwin Ports, you can find easy instructions for doing so at the main Darwin Ports page.
Once Darwin Ports has been installed, in a terminal window and while online, type the following and hit return:

%  cd /opt/local/bin/portslocation/dports/nauty
%  sudo port install nauty  
Password: 

You will then be prompted for your root password, which you should enter. You may have to wait for a few minutes while the software is retrieved from the network and installed for you. Y ou should see something that looks similar to:

--->  Fetching nauty
--->  Verifying checksum for nauty
--->  Extracting nauty
--->  Configuring nauty
--->  Building nauty with target all

--->  Staging nauty into destroot

--->  Installing nauty

- Make sure that you do not close the terminal window while Darwin Ports is working. Once the software has been installed, you can find further information about using nauty with these commands:

%  man nauty
%  apropos nauty
%  which nauty
%  locate nauty

 Where to find more information: