From 89a5fbbea1e344fb7e43ce4c547fbdf1ae8d81de Mon Sep 17 00:00:00 2001
From: Heinrich Schuchardt <xypron.glpk@gmx.de>
Date: Sun, 1 Aug 2021 22:11:39 +0200
Subject: [PATCH] doc: handle 'make htmldocs' warnings as errors

Parameter -W for sphinx-build turns build warnings into errors. This helps
us to avoid bad patches passing Gitlab CI.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
---
 doc/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doc/Makefile b/doc/Makefile
index 683e4b5609..050d9dd239 100644
--- a/doc/Makefile
+++ b/doc/Makefile
@@ -6,7 +6,7 @@ subdir-y :=
 
 # You can set these variables from the command line.
 SPHINXBUILD   = sphinx-build
-SPHINXOPTS    =
+SPHINXOPTS    = -W
 SPHINXDIRS    = .
 _SPHINXDIRS   = $(patsubst $(srctree)/doc/%/conf.py,%,$(wildcard $(srctree)/doc/*/conf.py))
 SPHINX_CONF   = conf.py
-- 
2.39.5