diff -up waf-1.8.15/docs/sphinx/conf.py.orig waf-1.8.15/docs/sphinx/conf.py
--- waf-1.8.15/docs/sphinx/conf.py.orig	2015-10-20 09:27:38.787867271 +0200
+++ waf-1.8.15/docs/sphinx/conf.py	2015-10-24 12:29:30.497809066 +0200
@@ -396,7 +396,11 @@ pygments_style = 'sphinx'
 
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
-html_theme = 'classic'
+from sphinx import version_info
+if (1, 3) <= version_info:
+	html_theme = 'classic'
+else:
+	html_theme = 'default'
 
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the