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Diffstat (limited to 'ace/config-irix6.4-sgic++.h')
-rw-r--r--ace/config-irix6.4-sgic++.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/ace/config-irix6.4-sgic++.h b/ace/config-irix6.4-sgic++.h
index ceae47fd4d7..68c100e7a67 100644
--- a/ace/config-irix6.4-sgic++.h
+++ b/ace/config-irix6.4-sgic++.h
@@ -52,7 +52,9 @@
#define ACE_HAS_THREAD_SPECIFIC_STORAGE
// Compile using multi-thread libraries
-#define ACE_MT_SAFE
+#if !defined (ACE_MT_SAFE)
+ #define ACE_MT_SAFE 1
+#endif
// Platform supports the tid_t type (e.g., AIX and Irix 6.2)
#define ACE_HAS_TID_T