From: John Ellson <john.ellson@comcast.net>
Date: Thu, 22 Dec 2016 05:30:00 +0000 (-0500)
Subject: probably need gd-dev for diffimg
X-Git-Tag: 2.40.1~2^2~2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=d7d694b315cd073f08d5a980498b4d0b9ded6e47;p=graphviz

probably need gd-dev for diffimg
---

diff --git a/.travis.yml b/.travis.yml
index 8eef3be36..938b99546 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,6 +10,7 @@ addons:
     - libxaw7-dev
     - freeglut3-dev
     - colorgcc
+    - gd-dev
 
 services:
 - docker