[Bug bootstrap/54304] linking stage picks up system mpfr instead of in-tree version

[tobi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54304

--- Comment #6 from Tobias Schlüter <tobi at gcc dot gnu.org> 2012-08-17 19:33:44 UTC ---
Sorry, my mistake, it's ~/usr/lib not /usr/lib.  I'll have to find out if that
is included in any search path (I doubt it).  About the one in /opt/local/lib I
wasn't mistaken.