From 0ab5866b7ac31fa8ff91a2d7da2b293afd9fbc8d Mon Sep 17 00:00:00 2001
From: Bruno Haible <bruno@clisp.org>
Date: Thu, 22 Jun 2023 22:31:25 +0200
Subject: [PATCH] =?utf8?q?Ensure=20that=20makeinfo=20=E2=89=A5=206.8=20che?=
 =?utf8?q?cks=20the=20@menu=20structure.?=
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See <https://lists.gnu.org/archive/html/bug-texinfo/2023-06/msg00015.html>.

* doc/Makefile.am (AM_MAKEINFOFLAGS): New variable.
---
 doc/Makefile.am | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/doc/Makefile.am b/doc/Makefile.am
index 90746d7..c4004b5 100644
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -1,4 +1,7 @@
 
 info_TEXINFOS = cln.texi
+# The customization variable CHECK_NORMAL_MENU_STRUCTURE is necessary with
+# makeinfo versions ≥ 6.8.
+AM_MAKEINFOFLAGS = -c CHECK_NORMAL_MENU_STRUCTURE=1
 AM_MAKEINFOHTMLFLAGS = --no-split
 
-- 
2.49.0