From 86b9e8e39a0b42407c95921ca8262b0a75cad5f2 Mon Sep 17 00:00:00 2001
From: Jan Maria Matejka <mq@ucw.cz>
Date: Tue, 17 Jul 2018 15:30:59 +0200
Subject: M4: generate synchronization lines

This also includes Bison version check. Versions before 3.0 don't
support them in a reliable way and we don't promise to work with
versions older than 2.4.
---
 conf/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'conf')

diff --git a/conf/Makefile b/conf/Makefile
index fb3dd052..47024d26 100644
--- a/conf/Makefile
+++ b/conf/Makefile
@@ -11,7 +11,7 @@ BISON_DEBUG=-t
 endif
 
 $(conf-y-targets): $(s)confbase.Y $(s)flowspec.Y
-	$(M4) -P $| $^ >$@
+	$(M4) $(M4FLAGS) -P $| $^ >$@
 
 $(o)cf-parse.y: | $(s)gen_parser.m4
 $(o)keywords.h: | $(s)gen_keywords.m4
-- 
cgit v1.2.3