Adding separate static library and DLL demonstration program projects

[freeglut] / configure.ac

diff --git a/configure.ac b/configure.ac
index 3d00d8b..e114c64 100644 (file)
--- 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
@@ -23,7 +26,8 @@ AC_SUBST([LIBXXF86VM])
 
 # Checks for header files.
 AC_HEADER_STDC
-AC_CHECK_HEADERS([GL/gl.h GL/glu.h GL/glx.h])
+AC_CHECK_HEADERS([GL/gl.h GL/glu.h GL/glx.h fcntl.h limits.h sys/ioctl.h sys/param.h sys/time.h])
+AC_HEADER_TIME
 
 save_CFLAGS="$CFLAGS"
 CFLAGS="$CFLAGS $X_CFLAGS"
@@ -31,6 +35,8 @@ AC_CHECK_HEADERS([X11/extensions/xf86vmode.h], [], [], [#include <X11/Xlib.h>])
 CFLAGS="$save_CFLAGS"
 
 # Checks for library functions.
+AC_PROG_GCC_TRADITIONAL
+AC_FUNC_VPRINTF
 AC_CHECK_LIBM
 AC_SUBST([LIBM])