From 17e3412363bf5263c26d9bf1dfbef1fecc3d11a9 Mon Sep 17 00:00:00 2001
From: Xue-Lei Andrew Fan <xuelei@openjdk.org>
Date: Wed, 9 Nov 2022 17:36:12 +0000
Subject: [PATCH] 8296615: use of undeclared identifier 'IPV6_DONTFRAG'

Reviewed-by: michaelm
---
 src/jdk.net/macosx/native/libextnet/MacOSXSocketOptions.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/jdk.net/macosx/native/libextnet/MacOSXSocketOptions.c b/src/jdk.net/macosx/native/libextnet/MacOSXSocketOptions.c
index 296a4fd73072..762aa54cb058 100644
--- a/src/jdk.net/macosx/native/libextnet/MacOSXSocketOptions.c
+++ b/src/jdk.net/macosx/native/libextnet/MacOSXSocketOptions.c
@@ -38,6 +38,10 @@
 #define IP_DONTFRAG             28
 #endif
 
+#ifndef IPV6_DONTFRAG
+#define IPV6_DONTFRAG           62
+#endif
+
 #include "jni_util.h"
 
 /*