From 838398fd340427bb56decb7b394e1f10b0f9b688 Mon Sep 17 00:00:00 2001
From: Zachary Ware <zachary.ware@gmail.com>
Date: Sun, 26 Mar 2017 21:21:48 -0500
Subject: [PATCH] Use `-W` option to Sphinx

Treat warnings as errors.
---
 .travis.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index 903950041ad01a3..8e99a383e0fb194 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -39,7 +39,7 @@ matrix:
         - cd Doc
         - make venv
       script:
-        - make check suspicious html PYTHON="./venv/bin/python" SPHINXBUILD="./venv/bin/python -m sphinx" SPHINXOPTS="-q"
+        - make check suspicious html PYTHON="./venv/bin/python" SPHINXBUILD="./venv/bin/python -m sphinx" SPHINXOPTS="-q -W"
     - os: linux
       language: c
       compiler: clang