--- dclib/core/cthread.cpp.orig	2002-12-19 19:01:57.000000000 -0500
+++ dclib/core/cthread.cpp	2002-12-19 19:02:09.000000000 -0500
@@ -16,6 +16,7 @@
  ***************************************************************************/
 
 #include <stdio.h>
+#define __USE_POSIX199309
 #include <time.h>
 #include <errno.h>