--- a/configure.ac
+++ b/configure.ac
@@ -2,15 +2,15 @@
 # Process this file with autoconf to produce a configure script.
 ################################################################################
 
-AC_INIT([freealut library], [1.1.0], [openal-devel@opensource.creative.com], [freealut])
+AC_INIT([freealut library],[1.1.0],[openal-devel@opensource.creative.com],[freealut])
 AC_CONFIG_AUX_DIR([admin/autotools])
 AM_INIT_AUTOMAKE
-AC_PREREQ([2.56])
+AC_PREREQ(2.61)
 AC_CONFIG_SRCDIR([AUTHORS])
 AC_CONFIG_HEADERS([config.h])
 
 # Compatibility hack for older autoconf versions
-m4_ifdef([AS_HELP_STRING], [], [AC_DEFUN([AS_HELP_STRING], [AC_HELP_STRING($][@)])])
+m4_ifdef([AS_HELP_STRING], [], [AC_DEFUN([AS_HELP_STRING], [AS_HELP_STRING([$@])])])
 
 ################################################################################
 ## libtool shared library version.