http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52623
David Edelsohn <dje at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2012-03-20 Ever Confirmed|0 |1 --- Comment #2 from David Edelsohn <dje at gcc dot gnu.org> 2012-03-20 14:12:00 UTC --- We should disable libquadmath on AIX. It is not needed or useful there. Have you tried adding --disable-libquadmath when configuring GCC?