On Thu, 22 Jul 2010, Thomas Klausner wrote:
Can you please apply the attached patch to autoconf (you might need to create a devel/autoconf/patches directory first), reinstall (2.66nb1) and let us know if this fixes your problem?
http://lists.gnu.org/archive/html/autoconf/2010-07/msg00017.html contains additional pachtes. Best regards, Uwe