Index: config.h
===================================================================
--- config.h	(revision 581)
+++ config.h	(revision 582)
@@ -34,6 +34,9 @@
 // Allow Xinerama Support for X11
 #define HAVE_XINERAMA
 
+// Allow DPMS Support for X11
+#define HAVE_DPMS
+
 // will highlight triangle with tag != 0 at render time :
 //#define RENDER_DEBUG_TAG