--- MITgcm/eesupp/inc/CPP_EEOPTIONS.h	2006/11/22 09:43:27	1.27
+++ MITgcm/eesupp/inc/CPP_EEOPTIONS.h	2007/09/04 14:40:08	1.28
@@ -1,4 +1,4 @@
-C $Header: /home/ubuntu/mnt/e9_copy/MITgcm/eesupp/inc/CPP_EEOPTIONS.h,v 1.27 2006/11/22 09:43:27 dimitri Exp $
+C $Header: /home/ubuntu/mnt/e9_copy/MITgcm/eesupp/inc/CPP_EEOPTIONS.h,v 1.28 2007/09/04 14:40:08 jmc Exp $
 C $Name:  $
 
 CBOP
@@ -114,6 +114,10 @@
 C     compiler flag -byteswapio on the Altix.
 #undef FAST_BYTESWAP
 
+C--   Alternative way of doing global sum without MPI allreduce call
+C     but instead, explicit MPI send & recv calls.
+#undef GLOBAL_SUM_SEND_RECV
+
 #endif /* _CPP_EEOPTIONS_H_ */
 
 #include "CPP_EEMACROS.h"