X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=configure.ac;h=d6f5f065524a33671d5150e4c253e0548400d3f9;hb=7906d486682043c1499cd781829f15d5290e3c9c;hp=d931a362252c42ebc53f72072c3fb3f275102575;hpb=e3d7d342f3d217b104468e7c4b338bdfc31fc1c8;p=freeglut

diff --git a/configure.ac b/configure.ac
index d931a36..d6f5f06 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2,10 +2,13 @@
 
 AC_INIT([freeglut library], [2.3.9], [freeglut-bugs@lists.sourceforge.net], [freeglut])
 AM_INIT_AUTOMAKE
-AC_PREREQ([2.58])
+AC_PREREQ([2.56])
 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($][@)])])
+
 # Checks for programs.
 AC_PROG_CC
 AC_C_CONST