===================================================================
RCS file: /cvs/ace/ace/lib/imagelib.h,v
retrieving revision 1.2
retrieving revision 1.3
diff -p -u -r1.2 -r1.3
--- ace/lib/imagelib.h	2001/09/21 19:22:51	1.2
+++ /cvs/ace/ace/lib/imagelib.h	2007/10/22 22:59:41	1.3
@@ -1,6 +1,10 @@
 #ifndef _IMAGELIB_H_
 #define _IMAGELIB_H_
 
+#ifdef _cards_h_
+#error include imagelib.h before cards.h
+#endif
+
 #ifndef PIXELS_TYPE
 #define PIXELS_TYPE void *
 #endif