--- a/configure.in	Sun Jun 01 00:47:45 2008 +0000
+++ b/configure.in	Sun Jun 22 03:59:56 2008 +0000
@@ -139,6 +139,7 @@
 AC_CHECK_FUNC(glGenFramebuffersEXT, [ AC_DEFINE([HAVE_OPENGL_FBO],1,[Have EXT_framebuffer_object support]) ], [])
 AC_CHECK_FUNC(glCreateShader, [ AC_DEFINE([HAVE_OPENGL_SHADER],1,[Have 2.0 shader support]) ], [])
 AC_CHECK_FUNC(glCreateShaderObjectARB, [ AC_DEFINE([HAVE_OPENGL_SHADER_ARB],1,[Have ARB shader support]) ], [])
+AC_CHECK_FUNC(glClampColorARB, [ AC_DEFINE([HAVE_OPENGL_CLAMP_COLOR],1,[Have Color Clamp]) ], [])
 
 
 dnl Check for a supported cpu target for translation purposes