configure: Require automake 2.63 (widely spread) instead of 2.64

* configure.ac (AC_PREREQ): Use value of 2.63 (instead of 2.64).

diff --git a/configure.ac b/configure.ac
index cc9685ee2d68ea588d727df8f3e881e3a17215a7..40d29dda91c2d57c24a6574b06fb65165b17e2da 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1,7 +1,7 @@
 # Process this file with autoconf to produce a configure script.
 AC_INIT([libatomic_ops],[7.3alpha1],gc@linux.hpl.hp.com)
 
-AC_PREREQ(2.64)
+AC_PREREQ(2.63)
 AC_CANONICAL_TARGET([])
 AC_CONFIG_SRCDIR(src/atomic_ops.c)
 AC_CONFIG_MACRO_DIR([m4])