View the most recent changes for the duke3d port at: duke3d.darwinports.com/diff
Scroll down toward the bottom of the page to get installation instructions for duke3d.
The raw portfile for duke3d 0.1 is located here:
http://duke3d.darwinports.com/dports/games/duke3d/Portfile
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Check for any related Fink projects here: pdb.finkproject.org/pdb/package.php/duke3d

The duke3d Portfile 58210 2009-09-24 06:56:08Z ryandesign macports.org $

PortSystem 1.0

Name: duke3d
Version: 0.1
Category: games
Platform: darwin
Maintainers: phw openmaintainer
Description: Runtime for FPS Duke Nukem 3D
Long Description: Duke Nukem 3D is a first-person shooter computer game developed by 3D Realms and published by Apogee Software. Level and gamefiles are not included (use Shareware Version)
fetch.type svn
svn.url svn://svn.icculus.org/duke3d/trunk/
Homepage: http://icculus.org/duke3d/

depends_lib path:lib/pkgconfig/sdl.pc:libsdl port:libsdl_image port:libsdl_mixer

worksrcdir trunk/source/
use_configure no
build.args macosx=true

destroot {
xinstall -m 755 -d ${destroot}/${prefix}/bin
file copy ${worksrcpath}/${name} ${destroot}/${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/duke3d
%  sudo port install duke3d  
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 duke3d
--->  Verifying checksum for duke3d
--->  Extracting duke3d
--->  Configuring duke3d
--->  Building duke3d with target all

--->  Staging duke3d into destroot

--->  Installing duke3d

- 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 duke3d with these commands:

%  man duke3d
%  apropos duke3d
%  which duke3d
%  locate duke3d

 Where to find more information: