------- Comment #2 from brian at dessent dot net 2008-09-23 19:23 ------- Subject: Re: New: In function `fold_builtin_1': undefined reference to `mpfr_j0'
It sounds like you have an older system copy of mpfr in /usr/lib which is being used instead of the one you built. Use --with-mpfr=foo where foo is the prefix you specified when you configured mpfr. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37627
