View the most recent changes for the rb-gsl port at: rb-gsl.darwinports.com/diff
Scroll down toward the bottom of the page to get installation instructions for rb-gsl.
The raw portfile for rb-gsl is located here:
http://rb-gsl.darwinports.com/dports/ruby/rb-gsl/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-gsl

The rb-gsl Portfile 36657 2008-05-09 16:04:33Z jmr macports.org $

PortSystem 1.0
PortGroup ruby 1.0

ruby.setup {gsl rb-gsl} 1.10.3 setup.rb {README examples html} rubyforge:28909
Maintainers: nomaintainer
Description: Ruby interface to the GSL
Long Description: RubyGSL is a ruby interface to the GSL (GNU Scientific Library), for numerical computing with Ruby.
Category:-append math
Checksums: md5 fcfa01e856b3ef4af6989cc117675c09 sha1 a6eb96a12a65b3996b8b8801454c89ce5fc5413c
Platform: darwin
depends_lib-append port:gsl

Variant: narray description {Build with NArray} {
depends_lib-append port:rb-narray
configure.args-append -- --with-narray-include=${ruby.archlib}
}

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

--->  Staging rb-gsl into destroot

--->  Installing rb-gsl

- 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-gsl with these commands:

%  man rb-gsl
%  apropos rb-gsl
%  which rb-gsl
%  locate rb-gsl

 Where to find more information: