View the most recent changes for the gimp-jp2 port at: gimp-jp2.darwinports.com/diff
Scroll down toward the bottom of the page to get installation instructions for gimp-jp2.
The raw portfile for gimp-jp2 2.2.0 is located here:
http://gimp-jp2.darwinports.com/dports/graphics/gimp-jp2/Portfile
Find related portfiles with the unique DarwinPorts.com search feature.
Check for any related Fink projects here: pdb.finkproject.org/pdb/package.php/gimp-jp2

# -*- 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 gimp-jp2 Portfile 57375 2009-09-10 08:16:41Z ryandesign macports.org $

PortSystem 1.0

Name: gimp-jp2
Version: 2.2.0
Revision: 2
Maintainers: devans
Description: GIMP Wavelet/JPEG 2000 plug-in.
Long Description: GIMP Wavelet/JPEG 2000 plug-in, written by Divyanshu Vats, from the 2006 GIMP Google Summer of Code wavelet project, mentored by Simon Budig.

universal_variant no

Category: graphics
Platform: darwin
Homepage: http://registry.gimp.org/node/9899

distname jp2
Master Sites: http://registry.gimp.org/files/

Checksums: md5 dfe378981796eaeefde35874d175c9e0 sha1 6caab9ebb067b44659d59bced3da5bb54634b690 rmd160 6694475d690824feb4a1cb8b4cb232857700694c

depends_lib lib:libgimp-2.0:gimp2 port:openjpeg

post-patch {
reinplace "s|#include ||" ${worksrcpath}/src/main.c
reinplace "s|#include \"openjpeg.h\"|#include |" ${worksrcpath}/src/interface.h ${worksrcpath}/src/jp2read.c ${worksrcpath}/src/jp2write.c ${worksrcpath}/src/main.c ${worksrcpath}/src/main_back.c
reinplace "s|MAX_PATH|OPJ_PATH_LEN|" ${worksrcpath}/src/jp2read.c ${worksrcpath}/src/jp2write.c ${worksrcpath}/src/main_back.c
file delete ${worksrcpath}/src/openjpeg.h
}

post-destroot {
delete ${destroot}${prefix}/share/gimp-plugin-template
}

livecheck.type moddate
livecheck.url ${master_sites}${distname}${extract.suffix}

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/gimp-jp2
%  sudo port install gimp-jp2  
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 gimp-jp2
--->  Verifying checksum for gimp-jp2
--->  Extracting gimp-jp2
--->  Configuring gimp-jp2
--->  Building gimp-jp2 with target all

--->  Staging gimp-jp2 into destroot

--->  Installing gimp-jp2

- 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 gimp-jp2 with these commands:

%  man gimp-jp2
%  apropos gimp-jp2
%  which gimp-jp2
%  locate gimp-jp2

 Where to find more information: