K 10 svn:author V 5 adamw K 8 svn:date V 27 2017-09-21T16:33:08.186561Z K 7 svn:log V 195 Add some backup sites for math/mpfr The mpfr.org site is down, and there's no backup mirrors set. Distcache doesn't have the tarball, so the port is unfetchable Add MASTER_SITE_GNU as a backup. END