View the most recent changes for the libart_lgpl port at: libart_lgpl.darwinports.com/diff
Scroll down toward the bottom of the page to get installation instructions for libart_lgpl.
The raw portfile for libart_lgpl 2.3.20 is located here:
http://libart_lgpl.darwinports.com/dports/graphics/libart_lgpl/Portfile
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Check for any related Fink projects here: pdb.finkproject.org/pdb/package.php/libart_lgpl

The libart_lgpl Portfile 57375 2009-09-10 08:16:41Z ryandesign macports.org $

PortSystem 1.0

Name: libart_lgpl
Version: 2.3.20
set branch [join [lrange [split ${version} .] 0 1] .]
Category: graphics
Platform: darwin
Maintainers: toby
Description: fast 2D image manipulation library

Long Description: Libart is a library for high-performance 2D graphics. It supports a very powerful imaging model, basically the same as SVG and the Java 2D API. It includes all PostScript imaging operations, and adds antialiasing and alpha-transparency. It is also highly tuned for incremental rendering. It contains data structures and algorithms suited to rapid, precise computation of Region of Interest, and a two-phase rendering pipeline optimized for interactive display.

Homepage: http://www.levien.com/libart/
Master Sites: gnome:sources/${name}/${branch}/
use_bzip2 yes

Checksums: md5 d0ce67f2ebcef1e51a83136c69242a73 sha1 40aa6c6c5fb27a8a45cd7aaa302a835ff374d13a rmd160 184cd3dd96e9cfadcba327644bc8c9dd32da26fa

Patch Files: patch-Makefile.in patch-art_config.h

use_parallel_build yes

livecheck.type regex
livecheck.url http://ftp.gnome.org/pub/gnome/sources/${name}/${branch}/
livecheck.regex {LATEST-IS-(\d+(?:\.\d+)*)}

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

--->  Staging libart_lgpl into destroot

--->  Installing libart_lgpl

- 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 libart_lgpl with these commands:

%  man libart_lgpl
%  apropos libart_lgpl
%  which libart_lgpl
%  locate libart_lgpl

 Where to find more information: