From 82142aa36bdaf2560958014fbe766dd9db60ab69 Mon Sep 17 00:00:00 2001
From: Christopher Dykes <cdykes@fb.com>
Date: Tue, 12 Jul 2016 14:58:19 -0700
Subject: [PATCH] Define TCPI_OPT_SYN_DATA if it isn't defined

Summary: Because it doesn't in a lot of our open-source builds.

Differential Revision: D3551445

fbshipit-source-id: 599f45f51d1cbecedd02cb2ca3ef611648986039
---
 folly/detail/SocketFastOpen.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/folly/detail/SocketFastOpen.cpp b/folly/detail/SocketFastOpen.cpp
index 31917eab..6ac35f94 100644
--- a/folly/detail/SocketFastOpen.cpp
+++ b/folly/detail/SocketFastOpen.cpp
@@ -36,6 +36,10 @@ namespace detail {
 #define TCP_FASTOPEN 23
 #endif
 
+#if !defined(TCPI_OPT_SYN_DATA)
+#define TCPI_OPT_SYN_DATA 32
+#endif
+
 ssize_t tfo_sendmsg(int sockfd, const struct msghdr* msg, int flags) {
   flags |= MSG_FASTOPEN;
   return sendmsg(sockfd, msg, flags);
-- 
2.34.1