[Bug other/56780] --disable-install-libiberty still installs libiberty.a

[vapier at gentoo dot org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56780

--- Comment #9 from Mike Frysinger <vapier at gentoo dot org> ---
http://gcc.gnu.org/ml/gcc-patches/2014-01/msg00213.html has been committed now
which should fix trunk