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Diffstat (limited to 'ACE/ace/os_include/netinet/os_in.h')
-rw-r--r--ACE/ace/os_include/netinet/os_in.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/ACE/ace/os_include/netinet/os_in.h b/ACE/ace/os_include/netinet/os_in.h
index 4c82df46183..f71e757532b 100644
--- a/ACE/ace/os_include/netinet/os_in.h
+++ b/ACE/ace/os_include/netinet/os_in.h
@@ -43,7 +43,7 @@ extern "C"
# if defined (ACE_HAS_PHARLAP_RT)
# define ACE_IPPROTO_TCP SOL_SOCKET
-# else
+# elif !defined (ACE_IPPROTO_TCP)
# define ACE_IPPROTO_TCP IPPROTO_TCP
# endif /* ACE_HAS_PHARLAP_RT */