From 590faf89a2dd33a5f97f8e685efd019ac9c96e1e Mon Sep 17 00:00:00 2001
From: Jeremy Harris <jgh146exb@wizmail.org>
Date: Tue, 23 Oct 2018 22:23:56 +0100
Subject: MacOS: probe for a usable TFO system configuration

---
 src/OS/os.h-Darwin | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src/OS/os.h-Darwin')

diff --git a/src/OS/os.h-Darwin b/src/OS/os.h-Darwin
index b597f9da3..d0a1a092f 100644
--- a/src/OS/os.h-Darwin
+++ b/src/OS/os.h-Darwin
@@ -53,4 +53,10 @@ in "man 2 getgroups". */
 #define _DARWIN_UNLIMITED_GETGROUPS
 #define EXIM_GROUPLIST_SIZE 64
 
+/* TCP_FASTOPEN support.  For the moment, claim there is none
+(the probe fails; unsure why).
+Sometime in the future need to investigate connectex(). */
+
+#define EXIM_TFO_PROBE
+
 /* End */
-- 
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