The following small patch was require to build the ompi trunk on NetBSD-5.0.
I am not sure if this was the proper header in which to add this include, but it is the first one that needs "struct timeval".
--- openmpi-1.7a1r25944/opal/dss/dss_types.h~ 2012-02-17 00:30:09.000000000 -0800
+++ openmpi-1.7a1r25944/opal/dss/dss_types.h 2012-02-17 00:34:04.000000000 -0800
@@ -31,6 +31,10 @@
+#include <sys/time.h> /* for struct timeval */
typedef uint8_t opal_data_type_t; /** data type indicators */
Paul H. Hargrove PHHargrove@lbl.gov
Future Technologies Group
HPC Research Department Tel: +1-510-495-2352
Lawrence Berkeley National Laboratory Fax: +1-510-486-6900