[PATCH] doc: raise an error on warnings for dts

[David Marchand]

Similarly to commit 6572fc926037 ("doc: make sphinx comply with ..."),
pass -W to sphinx to catch warnings.

Signed-off-by: David Marchand <david.marchand at redhat.com>
---
 doc/api/dts/meson.build | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/doc/api/dts/meson.build b/doc/api/dts/meson.build
index 8a6d061879..fc147f13f3 100644
--- a/doc/api/dts/meson.build
+++ b/doc/api/dts/meson.build
@@ -12,6 +12,9 @@ if python_ver_satisfied != 0
 endif
 
 extra_sphinx_args = ['-E', '-c', join_paths(doc_source_dir, 'guides')]
+if get_option('werror')
+    extra_sphinx_args += '-W'
+endif
 
 # DTS docs are generated inside main Doxygen docs build directory
 # DTS docs relies on main docs to install it so does not define install dir
-- 
2.52.0