View the most recent changes for the libxtract port at: libxtract.darwinports.com/diff
Scroll down toward the bottom of the page to get installation instructions for libxtract.
The raw portfile for libxtract 0.4.7 is located here:
http://libxtract.darwinports.com/dports/audio/libxtract/Portfile
Find related portfiles with the unique DarwinPorts.com search feature.
Check for any related Fink projects here: pdb.finkproject.org/pdb/package.php/libxtract

The libxtract Portfile 54393 2009-07-26 12:27:52Z ryandesign macports.org $

PortSystem 1.0

Name: libxtract
Version: 0.4.7
Category: audio
Maintainers: christophbuente.de:info
Description: a simple, portable, lightweight library of audio feature extraction functions
Long Description: LibXtract is ${description}.
Homepage: http://libxtract.sourceforge.net/
Platform: darwin
Master Sites: sourceforge

Checksums: md5 b1dadff5422a3f5b7661bbf2522dd01d sha1 150e9ec17fb860845c58681bbc519907b4506cca rmd160 9fa0d78ad263009ceb6ec2f1a441c633e8e60280

Patch Files: patch-configure.diff

Variant: fft description {Add FFT support} {
depends_lib-append port:fftw-3
configure.args-append --enable-fft --with-fftw3-dir=${prefix}/include --libdir=${prefix}/lib
}

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

--->  Staging libxtract into destroot

--->  Installing libxtract

- 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 libxtract with these commands:

%  man libxtract
%  apropos libxtract
%  which libxtract
%  locate libxtract

 Where to find more information: