From 754be04f114513914a3f8f8e5f46a1c7a5876292 Mon Sep 17 00:00:00 2001
From: Mario Werner <mario.werner@iaik.tugraz.at>
Date: Fri, 5 Feb 2016 14:33:56 +0100
Subject: [PATCH] state that sudo is required for CI

This informs travis that the container-based build environment can
not be used.
---
 .travis.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.travis.yml b/.travis.yml
index cbff7e59..66bc413d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,4 +1,5 @@
 language: cpp
+sudo: required # the doc target uses sudo to install dependencies
 
 os:
   - linux