--- rpl/src/rpl.h	2011/09/03 10:31:51	1.115
+++ rpl/src/rpl.h	2011/09/07 18:53:53	1.116
@@ -25,7 +25,7 @@
 
 #ifndef __RPLCAS
 #	define _GNU_SOURCE
-#	define _POSIX_C_SOURCE		200112L
+#	define _XOPEN_SOURCE		700
 #endif
 
 #define _REENTRANT