View the most recent changes for the rb-gd2 port at: rb-gd2.darwinports.com/diff
Scroll down toward the bottom of the page to get installation instructions for rb-gd2.
The raw portfile for rb-gd2 is located here:
http://rb-gd2.darwinports.com/dports/ruby/rb-gd2/Portfile
Find related portfiles with the unique DarwinPorts.com search feature.
Check for any related Fink projects here: pdb.finkproject.org/pdb/package.php/rb-gd2

The rb-gd2 Portfile 50984 2009-05-14 21:08:43Z and.damore macports.org $

PortSystem 1.0
PortGroup ruby 1.0

ruby.setup gd2 1.1.1 gem {} rubyforge_gem
Maintainers: kallisys.net:pguyot openmaintainer
Description: Bindings for gd2 graphics library
Long Description: Ruby/GD2 is a Ruby interface to Thomas Boutell's gd 2 graphics library.
Checksums: md5 421049a6d49a278755a9b4f7b35f8822 sha1 7caf96a4bf0d637c3cf5d52690b9249207840a1d rmd160 f9db179bfb812c3a6acb71035469a5f55ca9ef14
Platform: darwin
Homepage: http://gd2.rubyforge.org/
depends_run port:gd2

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/rb-gd2
%  sudo port install rb-gd2  
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 rb-gd2
--->  Verifying checksum for rb-gd2
--->  Extracting rb-gd2
--->  Configuring rb-gd2
--->  Building rb-gd2 with target all

--->  Staging rb-gd2 into destroot

--->  Installing rb-gd2

- 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 rb-gd2 with these commands:

%  man rb-gd2
%  apropos rb-gd2
%  which rb-gd2
%  locate rb-gd2

 Where to find more information: