From 51479ed9a3f76ec3b8113e2614438cef77e0ce27 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C5=82=20K=C4=99pie=C5=84?= <michal@isc.org>
Date: Wed, 3 Feb 2021 11:44:02 +0100
Subject: [PATCH] Make sphinx-build warnings fatal

In order to prevent documentation building issues from being glossed
over, pass the -W command line switch to all sphinx-build invocations.
This causes the latter to return with a non-zero exit code whenever any
Sphinx warnings are triggered.
---
 Makefile.docs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Makefile.docs b/Makefile.docs
index 8fe3114dbc..3b2700687b 100644
--- a/Makefile.docs
+++ b/Makefile.docs
@@ -10,6 +10,7 @@ AM_V_SPHINX_0 = @echo "  SPHINX   $@";
 SPHINXBUILDDIR = $(builddir)/_build
 
 common_SPHINXOPTS =			\
+	-W				\
 	-c $(srcdir)			\
 	-a				\
 	$(SPHINX_V)