Added check for IBV_EVENT_CLIENT_REREGISTER async

event that was not exists in old openib gen2 versions
(Ticket #1025)

This commit was SVN r14658.

config/ompi_check_openib.m4

@@ -102,7 +102,10 @@ AC_DEFUN([OMPI_CHECK_OPENIB],[
                                      [Number of arguments to ibv_create_cq])])])
 
     AS_IF([test "$ompi_check_openib_happy" = "yes"],
-          [AC_CHECK_FUNCS([ibv_create_srq], 
+          [AC_CHECK_DECLS([IBV_EVENT_CLIENT_REREGISTER], [], [], 
+                          [#include <infiniband/verbs.h>])
+
+           AC_CHECK_FUNCS([ibv_create_srq], 
                           [ompi_check_openib_have_srq=1],
                           [ompi_check_openib_have_srq=0])
            AC_DEFINE_UNQUOTED([OMPI_MCA_]m4_translit([$1], [a-z], [A-Z])[_HAVE_SRQ],

ompi/mca/btl/openib/btl_openib_component.c

@@ -1200,7 +1200,9 @@ void* btl_openib_async_thread(void *one_hca)
             case IBV_EVENT_PKEY_CHANGE:
             case IBV_EVENT_SM_CHANGE:
             case IBV_EVENT_QP_LAST_WQE_REACHED:
+#if HAVE_DECL_IBV_EVENT_CLIENT_REREGISTER
             case IBV_EVENT_CLIENT_REREGISTER:
+#endif
                 break;
             case IBV_EVENT_SRQ_LIMIT_REACHED:
                 BTL_ERROR(("Got SRQ limit event %d",event.event_type));