View the most recent changes for the i386-mingw32-runtime port at: i386-mingw32-runtime.darwinports.com/diff
Scroll down toward the bottom of the page to get installation instructions for i386-mingw32-runtime.
The raw portfile for i386-mingw32-runtime 3.15.2 is located here:
http://i386-mingw32-runtime.darwinports.com/dports/cross/i386-mingw32-runtime/Portfile
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Check for any related Fink projects here: pdb.finkproject.org/pdb/package.php/i386-mingw32-runtime

The i386-mingw32-runtime Portfile 52691 2009-06-21 17:55:31Z ryandesign macports.org $
PortSystem 1.0

Name: i386-mingw32-runtime
Version: 3.15.2
Maintainers: landonf
Description: Free Microsoft C runtime, headers and import libraries.
Long Description: Free Microsoft C runtime, headers and import libraries to support cross-compilation of software written for the Microsoft Windows. Maintained by the MinGW developers.
Homepage: http://www.mingw.org
Category: cross devel

# Parameters for this port.
set crossgcc-target i386-mingw32

Platform: darwin
Master Sites: sourceforge:mingw
distname mingwrt-${version}-mingw32-dev
dist_subdir ${name}/${version}_1
Checksums: md5 f24d63744af66b54547223bd5476b8f0 sha1 9f562408b94202ecff558e683e5d7df5440612c4 rmd160 42ed8faa0bc26918f192ade6ab011ab462c66693

extract.dir ${worksrcpath}
extract.mkdir yes

# Nothing to configure
use_configure no

# Nothing to build
build {}

destroot.violate_mtree yes
destroot {
file mkdir ${destpath}/${prefix}/${crossgcc-target}
foreach dir {include lib doc share} {
file copy -force ${worksrcpath}/$dir ${destpath}/${prefix}/${crossgcc-target}
}
}

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/i386-mingw32-runtime
%  sudo port install i386-mingw32-runtime  
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 i386-mingw32-runtime
--->  Verifying checksum for i386-mingw32-runtime
--->  Extracting i386-mingw32-runtime
--->  Configuring i386-mingw32-runtime
--->  Building i386-mingw32-runtime with target all

--->  Staging i386-mingw32-runtime into destroot

--->  Installing i386-mingw32-runtime

- 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 i386-mingw32-runtime with these commands:

%  man i386-mingw32-runtime
%  apropos i386-mingw32-runtime
%  which i386-mingw32-runtime
%  locate i386-mingw32-runtime

 Where to find more information: