Fail build on warnings

Resolve warning about missing favicon file and enable build
failure if Sphinx warnings exist in docs build.

Change-Id: Ie7e0d080d112895a714138983621f8d376f9f274
Signed-off-by: Thanh Ha <thanh.ha@linuxfoundation.org>

diff --git a/docs/favicon.ico b/docs/favicon.ico
new file mode 100644 (file)
index 0000000..c9b3888
Binary files /dev/null and b/docs/favicon.ico differ

diff --git a/tox.ini b/tox.ini
index a9684ffc778fbbfcf78f61e36664cdd074e59b5c..80b200bbe699e604c93dd2e4d071352faaaa542f 100644 (file)
--- a/tox.ini
+++ b/tox.ini
@@ -20,7 +20,7 @@ commands =
 [testenv:docs]
 deps = -rdocs/requirements.txt
 commands =
-    sphinx-build -b html -n -d {envtmpdir}/doctrees ./docs/ {envtmpdir}/html
+    sphinx-build -W -b html -n -d {envtmpdir}/doctrees ./docs/ {envtmpdir}/html
     echo "Generated docs available in {envtmpdir}/html"
 whitelist_externals = echo