* GNUmakefile.in (short-examples):

* GNUmakefile.in (short-examples):
(long-examples): Bugfix for --srcdir build.

* stepmake/bin/config.sub:
* stepmake/bin/config.guess: Update from latest autotools.

* aclocal.m4:
* autogen.sh: Regenerate.

* configure.in:
* stepmake/configure.in:
* stepmake/aclocal.m4: Run autoupdate.  Creating ./configure now
requires autoconf >= 2.50.

* stepmake/autogen.sh: Check for autoconf >= 2.50.