View the most recent changes for the dosbox port at: dosbox.darwinports.com/diff
Scroll down toward the bottom of the page to get installation instructions for dosbox.
The raw portfile for dosbox 0.73 is located here:
http://dosbox.darwinports.com/dports/emulators/dosbox/Portfile
Find related portfiles with the unique DarwinPorts.com search feature.
Check for any related Fink projects here: pdb.finkproject.org/pdb/package.php/dosbox

# -*- coding: utf-8; mode: tcl; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- vim:fenc=utf-8:ft=tcl:et:sw=4:ts=4:sts=4
The dosbox Portfile 58373 2009-09-27 23:26:26Z jmr macports.org $

PortSystem 1.0

Name: dosbox
Version: 0.73
Category: emulators
Platform: darwin
Maintainers: nomaintainer

Description: DOS emulator featuring 386 realmode, filesystem, XMS, EMS

Long Description: DOSBox is a DOS emulator supporting 286/386 realmode, directory file system, XMS/EMS and many sound cards. It can be configured to run a wide range of DOS games, from CGA/Tandy/PCjr classics up to games from the Quake era.

Homepage: http://dosbox.sourceforge.net/
Master Sites: sourceforge
Checksums: sha1 e87682f8f468f3822d2f79e38e5ddb73825fa8c1

depends_lib path:lib/pkgconfig/sdl.pc:libsdl port:libsdl_net port:libsdl_sound port:libpng

# Assembly language issues
universal_variant no

Patch Files: patch-src_gui_midi_coreaudio.h

configure.args --mandir=${prefix}/share/man --disable-sdltest --disable-alsatest
configure.cxxflags-append -mdynamic-no-pic

post-destroot {
xinstall -m 755 -d ${destroot}${prefix}/share/doc/${name}
xinstall -W ${worksrcpath} README AUTHORS COPYING ChangeLog INSTALL THANKS ${destroot}${prefix}/share/doc/${name}
}

platform darwin {
configure.args-append --build=${build_arch}-apple-darwin${os.major}
}

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

--->  Staging dosbox into destroot

--->  Installing dosbox

- 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 dosbox with these commands:

%  man dosbox
%  apropos dosbox
%  which dosbox
%  locate dosbox

 Where to find more information: