BLD: Travis

Author: larsoner

.travis.yml

@@ -1,16 +1,15 @@
 # After changing this file, check it on:
 #   http://lint.travis-ci.org/
 language: python
+dist: xenial
 sudo: false
 env:
-  - SPHINX_SPEC="Sphinx==1.2.3"
+  - SPHINX_SPEC="Sphinx==1.2.3" SPHINXOPTS=""
   - SPHINX_SPEC="Sphinx"
 matrix:
   include:
-    - python: 3.6
+    - python: 3.7
     - python: 2.7
-      env:
-        - SPHINXOPTS='-W'
 cache:
   directories:
     - $HOME/.cache/pip

doc/Makefile

@@ -2,7 +2,7 @@
 #
 
 # You can set these variables from the command line.
-SPHINXOPTS    =
+SPHINXOPTS    = -nWT --keep-going
 SPHINXBUILD   = sphinx-build
 PAPER         =
 BUILDDIR      = _build
@@ -15,7 +15,7 @@ endif
 # Internal variables.
 PAPEROPT_a4     = -D latex_paper_size=a4
 PAPEROPT_letter = -D latex_paper_size=letter
-ALLSPHINXOPTS   = -nWT --keep-going -d $(BUILDDIR)/doctrees $(PAPEROPT_$(PAPER)) $(SPHINXOPTS) .
+ALLSPHINXOPTS   = -d $(BUILDDIR)/doctrees $(PAPEROPT_$(PAPER)) $(SPHINXOPTS) .
 # the i18n builder cannot share the environment and doctrees with the others
 I18NSPHINXOPTS  = $(PAPEROPT_$(PAPER)) $(SPHINXOPTS) .