From b51021698e1b87e080640eaba95402365941774b Mon Sep 17 00:00:00 2001
From: Karel Zak <kzak@redhat.com>
Date: Mon, 30 Apr 2018 09:37:14 +0200
Subject: [PATCH] build-sys: improve bison version detection

Addresses: https://github.com/karelzak/util-linux/issues/630
Signed-off-by: Karel Zak <kzak@redhat.com>
---
 autogen.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/autogen.sh b/autogen.sh
index 04b6cb4593..3625b2da91 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -73,7 +73,7 @@ if ! (bison --version) < /dev/null > /dev/null 2>&1; then
 	echo
 	DIE=1
 else
-	lexver=$(bison --version | awk '/bison \(GNU Bison\)/ { print $4 }')
+	lexver=$(bison --version | awk '/^bison \(GNU [Bb]ison\)/ { print $4 }')
 	case "$lexver" in
 		[2-9].*)
 			;;
-- 
2.47.3