From 68ea4fc7ca53bf010e5ec738ad078452f0eaa639 Mon Sep 17 00:00:00 2001
From: Bernd Kuhls <bernd.kuhls@t-online.de>
Date: Tue, 23 Jul 2019 18:48:06 +0200
Subject: [PATCH] Fix uClibc build
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structs.h:757:18: error: ‘NS_MAXMSG’ undeclared here (not in a function); did you mean ‘N_MASC’?
   uschar  answer[NS_MAXMSG];      /* the answer itself */

Patch sent upstream: https://github.com/Exim/exim/pull/70

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
---
 OS/os.h-Linux | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/OS/os.h-Linux b/OS/os.h-Linux
index 63cf9babd..1d82e9bad 100644
--- a/OS/os.h-Linux
+++ b/OS/os.h-Linux
@@ -87,5 +87,9 @@ then change the 0 to 1 in the next block. */
 # define TCPI_OPT_SYN_DATA 32
 #endif
 
+/* Needed for uClibc */
+#ifndef NS_MAXMSG
+# define NS_MAXMSG 65535
+#endif
 
 /* End */
-- 
2.20.1