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

SHA1 (mpfr-2.4.1.tar.bz2) = 1f965793526cafefb30cda64cebf3712cb75b488

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

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