From 3e863815338fc8c5705fdf9093862d1a0e5c153a Mon Sep 17 00:00:00 2001
From: Jeff Squyres <jsquyres@cisco.com>
Date: Wed, 31 May 2006 13:48:21 +0000
Subject: [PATCH] Add thread protection -- must only construct the alock when
 we have threading support.

This commit was SVN r10138.
---
 ompi/attribute/attribute.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/ompi/attribute/attribute.c b/ompi/attribute/attribute.c
index cdf4d0f3a6..9841e41650 100644
--- a/ompi/attribute/attribute.c
+++ b/ompi/attribute/attribute.c
@@ -479,7 +479,9 @@ int ompi_attr_init(void)
         }
     }
 
+#if OMPI_HAVE_THREAD_SUPPORT
     OBJ_CONSTRUCT(&alock, opal_mutex_t);
+#endif
 
     if (OMPI_SUCCESS != (ret = opal_hash_table_init(keyval_hash,
                                                     ATTR_TABLE_SIZE))) {