X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=configure.ac;h=d652cbe562b2005fd385f320b99652e36001b11d;hb=572817d19427ebb5d87b3705555a007611db63cc;hp=63c2cb839471023a6f0121d0f89cd7ec9d459eb1;hpb=1652c4a486eb064ee27d475b317d8bd22ea9e040;p=freeglut

diff --git a/configure.ac b/configure.ac
index 63c2cb8..d652cbe 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,11 +1,14 @@
 # Process this file with autoconf to produce a configure script.
 
-AC_INIT([freeglut library], [2.2.0], [freeglut-bugs@lists.sourceforge.net], [freeglut])
+AC_INIT([freeglut library], [2.4.0], [freeglut-bugs@lists.sourceforge.net], [freeglut])
 AM_INIT_AUTOMAKE
-AC_PREREQ([2.59])
+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($][@)])])
+
 # Checks for programs.
 AC_PROG_CC
 AC_C_CONST
@@ -33,6 +36,7 @@ CFLAGS="$save_CFLAGS"
 
 # Checks for library functions.
 AC_PROG_GCC_TRADITIONAL
+AC_FUNC_VPRINTF
 AC_CHECK_LIBM
 AC_SUBST([LIBM])
 
@@ -57,6 +61,14 @@ if test "x$enable_warnings" != xno -a "x$GCC" = xyes; then
   CFLAGS="$CFLAGS -Wall -pedantic -Werror"
 fi
 
+AC_ARG_ENABLE([debug],
+[AS_HELP_STRING([--enable-debug],
+                [enable debug (for developers) @<:@default=no@:>@])])
+
+if test "x$enable_debug" = xyes; then
+  AC_DEFINE([_DEBUG], [1], [Define to 1 if you want to include debugging code.])
+fi
+
 # Generate output.
 AC_CONFIG_FILES([Makefile
                  doc/Makefile