MacOS: probe for a usable TFO system configuration

[exim.git] / src / OS / os.h-Darwin

diff --git a/src/OS/os.h-Darwin b/src/OS/os.h-Darwin
index b597f9da30a965d330311e69bb4175e520e9cb94..d0a1a092f8e2bde642238ccbf31dd8b0326de3fc 100644 (file)
--- 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 */