From ddb8bd624af1493adea05e2e0a74d2a27f934e01 Mon Sep 17 00:00:00 2001
From: Pavel Sanda <sanda@lyx.org>
Date: Mon, 22 Feb 2021 11:09:22 +0100
Subject: [PATCH] By report autoconf 2.71 works, 2.70 is known to have
 compatibility issues.

---
 autogen.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/autogen.sh b/autogen.sh
index edc6c40fa2..0365a10165 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -38,9 +38,11 @@ fi
 case $autoversion in
     *' '2.6[5-9])
 	;;
+    *' '2.71)
+	;;
     *)
 	echo "This autoconf version is not supported by LyX."
-	echo "LyX only supports autoconf 2.65-2.69."
+	echo "LyX only supports autoconf 2.65-2.69, 2.71."
 	exit 1
 	;;
 esac