Original Source can be downloaded from:
http://www.mpfr.org

file = mpfr-2.4.2.tar
date = 30 Nov 2009
size = 7137280
sha1 = a927628065345b0706a71bfc1f08c23f036061a8

file = mpfr-2.4.2-allpatches
date = 11 Jan 2010
size = 12218
sha1 = c1a576a8279c705dbba3b33822ee615b009a1ac2

A list of files and directories removed is in README.DELETED

These sources are used only by the build of gcc-4.4+.