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Diffstat (limited to 'ACE/ace/config-macosx-mojave.h')
-rw-r--r--ACE/ace/config-macosx-mojave.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/ACE/ace/config-macosx-mojave.h b/ACE/ace/config-macosx-mojave.h
index b935d80cdda..49bea758a61 100644
--- a/ACE/ace/config-macosx-mojave.h
+++ b/ACE/ace/config-macosx-mojave.h
@@ -1,7 +1,11 @@
#ifndef ACE_CONFIG_MACOSX_MOJAVE_H
#define ACE_CONFIG_MACOSX_MOJAVE_H
+// Get access to IPV6_RECVPKTINFO
+// See http://lxr.nginx.org/ident?_i=__APPLE_USE_RFC_3542
+#ifndef __APPLE_USE_RFC_3542
#define __APPLE_USE_RFC_3542
+#endif
#include "ace/config-macosx-highsierra.h"