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-rw-r--r--ace/config-aix-4.x.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/ace/config-aix-4.x.h b/ace/config-aix-4.x.h
index 6668f0ba156..42dd77418d8 100644
--- a/ace/config-aix-4.x.h
+++ b/ace/config-aix-4.x.h
@@ -14,7 +14,10 @@
//********************************************************************
//
// Compiler-related definitions. These are set for C Set ++ V3
-# define ACE_HAS_EXCEPTIONS
+# if !defined (ACE_HAS_EXCEPTIONS)
+# define ACE_HAS_EXCEPTIONS
+# endif
+
// Compiler supports the ssize_t typedef.
# define ACE_HAS_SSIZE_T