That sure is a lot of test failures. Can you please try our latest Autoconf beta? It has some fixes in this area.
ftp://alpha.gnu.org/gnu/autoconf/autoconf-2.68b.tar.gz I suggest applying these post-2.68b patches as well: http://lists.gnu.org/archive/html/bug-autoconf/2012-03/txtmjhqa66pjL.txt Thanks.