------- Comment #1 from schwab at suse dot de 2008-09-02 13:51 ------- Why do you need two flavors? The mfpr/gmp libraries are only used for the compiler which is only built in one flavor. If you are building for x86-64 you should configure with $PREFIX/lib64 for both library directories.
-- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37330