Index: trunk/psLib/src/config.h.in
===================================================================
--- trunk/psLib/src/config.h.in	(revision 3191)
+++ trunk/psLib/src/config.h.in	(revision 3199)
@@ -29,7 +29,4 @@
 /* Define to 1 if you have the <inttypes.h> header file. */
 #undef HAVE_INTTYPES_H
-
-/* Define to 1 if you have the `mx' library (-lmx). */
-#undef HAVE_LIBMX
 
 /* Define to 1 if you have the <memory.h> header file. */
@@ -86,2 +83,8 @@
 /* Location of the psTime.xml file */
 #undef XML_CONFIG_FILE
+
+/* Enable GNU extensions on systems that have them. */ 
+#ifndef _GNU_SOURCE 
+# define _GNU_SOURCE 
+#endif
+