From 227ff747a640dd017bcca087e14b244afc1bd958 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= <ludo@gnu.org>
Date: Sat, 4 May 2019 22:35:23 +0200
Subject: doc: Warn about missing entries in htmlxref.cnf.

* doc/local.mk (AM_MAKEINFOHTMLFLAGS): New variable.
---
 doc/local.mk | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'doc/local.mk')

diff --git a/doc/local.mk b/doc/local.mk
index 51800bb35b..ed87638a56 100644
--- a/doc/local.mk
+++ b/doc/local.mk
@@ -122,6 +122,10 @@ dist_infoimage_DATA =				\
   %D%/images/installer-partitions.png		\
   %D%/images/installer-resume.png
 
+# Ask for warnings about cross-referenced manuals that are not listed in
+# htmlxref.cnf.
+AM_MAKEINFOHTMLFLAGS = --set-customization-variable CHECK_HTMLXREF=true
+
 # Try hard to obtain an image size and aspect that's reasonable for inclusion
 # in an Info or PDF document.
 DOT_OPTIONS =					\
-- 
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