http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49970
--- Comment #3 from joseph at codesourcery dot com <joseph at codesourcery dot com> 2011-08-03 19:03:24 UTC --- This is a bug in libtool. See bug 46607. It will need to be fixed in upstream libtool (see bug 46607 comment 10 for what might be the simplest approach).