View the most recent changes for the libtommath port at: libtommath.darwinports.com/diff
Scroll down toward the bottom of the page to get installation instructions for libtommath.
The raw portfile for libtommath 0.40 is located here:
http://libtommath.darwinports.com/dports/math/libtommath/Portfile
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Check for any related Fink projects here: pdb.finkproject.org/pdb/package.php/libtommath

The libtommath Portfile 30184 2007-10-22 19:32:09Z mww macports.org $

PortSystem 1.0

Name: libtommath
Version: 0.40
Category: math
Platform: darwin
Maintainers: mww
Description: Comprehensive, modular and portable mathematical routines
Long Description: LibTomMath provides highly optimized and portable routines for a vast majority of integer based number theoretic applications (including public key cryptography).

Homepage: http://math.libtomcrypt.com/
Master Sites: http://libtom.org/files/ http://www.atarininja.org/~wxs/distfiles/ freebsd
distname ltm-${version}
Checksums: sha1 439899c06444c363eee527f75447d189ee4f93ba
use_bzip2 yes
Patch Files: patch-makefile

worksrcdir ${name}-${version}

use_configure no

build.args LIBDIR=${prefix}/lib

destroot {
xinstall -m 755 -d ${destroot}${prefix}/include/${name}
xinstall -m 644 -W ${worksrcpath} tommath.h tommath_class.h tommath_superclass.h ${destroot}${prefix}/include/${name}
xinstall -m 644 -W ${worksrcpath} libtommath.a libtommath.${version}.dylib ${destroot}${prefix}/lib
system "cd ${destroot}${prefix}/lib && ln -s libtommath.${version}.dylib libtommath.0.dylib && ln -s libtommath.${version}.dylib libtommath.dylib"
}

platform darwin 8 {
build.args-append CC=/usr/bin/gcc-4.0
}

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

--->  Staging libtommath into destroot

--->  Installing libtommath

- 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 libtommath with these commands:

%  man libtommath
%  apropos libtommath
%  which libtommath
%  locate libtommath

 Where to find more information: