I have no problems getting the PPD
<SOFTPKG NAME="MathGMP" VERSION="2,04,0,0">
<TITLE>MathGMP</TITLE>
<ABSTRACT>High speed arbitrary size integer math </ABSTRACT>
<AUTHOR>Chip Turner</AUTHOR>
<IMPLEMENTATION>
<OS NAME="MSWin32" />
<ARCHITECTURE NAME="MSWin32x86multithread5.8" />
<CODEBASE HREF="http://theoryx5.uwinnipeg.ca/ppms/x86/MathGMP.tar.g
+z" />
<PROVIDE NAME="Math::GMP" VERSION="2.04" />
</IMPLEMENTATION>
</SOFTPKG>
And I had no problems installing it (ActivePerl 5.8.8).
>ppm install http://theoryx5.uwinnipeg.ca/ppms/MathGMP.ppd
Downloading MathGMP2.04...done
Unpacking MathGMP2.04...done
Generating HTML for MathGMP2.04...done
Updating files in site area...done
5 files installed
>perl le"use Math::GMP; print Math::GMP>VERSION"
2.04
I think installation consists of unzipping and generating docs. If you're ok with skipping the latter, just do the former.
