-# This file uses AC_CONFIG_MACRO_DIR, so we need Autoconf 2.58 or better.
-# But Autoconf 2.58 has a bug in the way that it generates tests: it
-# puts the wrong absolute path names in the tests. So we need at
-# least Autoconf 2.59.
-AC_PREREQ(2.59)
+# We have strange test case titles, so we need Autoconf 2.61 or better.
+AC_PREREQ(2.61)
+
+AC_INIT([GNU Bison], [2.3a+], [bug-bison@gnu.org])
+AC_DEFINE([PACKAGE_COPYRIGHT_YEAR], [2007],
+ [The copyright year for this package])
+AC_SUBST([PACKAGE_COPYRIGHT_YEAR], [2007])