# following tests, but some users were unable to figure out that their
# installation was broken since --version appeared to work.
-required_autoconf_version=2.65
+AC_SUBST([required_autoconf_version], [2.65])
AC_CACHE_CHECK([whether autoconf is installed], [am_cv_autoconf_installed],
[if AM_RUN_LOG([$am_AUTOCONF --version]);
then