View the most recent changes for the c-ares port at: c-ares.darwinports.com/diff
Scroll down toward the bottom of the page to get installation instructions for c-ares.
The raw portfile for c-ares 1.6.0 is located here:
http://c-ares.darwinports.com/dports/net/c-ares/Portfile
Find related portfiles with the unique DarwinPorts.com search feature.
Check for any related Fink projects here: pdb.finkproject.org/pdb/package.php/c-ares

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

PortSystem 1.0

Name: c-ares
Version: 1.6.0
Category: net
Maintainers: toby
Description: asynchronous DNS library
Long Description: c-ares is a C library that performs DNS requests and name resolves asynchronously. c-ares is a fork of the library named 'ares', written by Greg Hudson at MIT.
Homepage: http://c-ares.haxx.se/
Platform: darwin
license MIT
Master Sites: ${homepage}
Checksums: md5 4503b0db3dd79d3c1f58d87722dbab46 sha1 50b0f5955769117720c8ff2bde6a8a8ece65d7a3 rmd160 3eccaad5df124525c70c47a76cc3fc2cbd31bbe8
configure.args --mandir=${prefix}/share/man --enable-shared

post-configure {
system "ed - ${worksrcpath}/config.h < ${filespath}/config.h.ed"
}

livecheck.type regex
livecheck.regex href=\"c-ares-(\[0-9\]+\\.\[0-9\]+\\.\[0-9\]+)\\.tar\\.gz\"

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

--->  Staging c-ares into destroot

--->  Installing c-ares

- 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 c-ares with these commands:

%  man c-ares
%  apropos c-ares
%  which c-ares
%  locate c-ares

 Where to find more information: