From e399f7927f0ce7ea2eaa3fc2542820cdfb341aeb Mon Sep 17 00:00:00 2001
From: James Kasten <jdkasten@umich.edu>
Date: Wed, 11 Feb 2015 17:00:31 -0800
Subject: [PATCH] Add libffi-dev to installation

---
 docs/using.rst | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/docs/using.rst b/docs/using.rst
index 441bf1623..d5b008670 100644
--- a/docs/using.rst
+++ b/docs/using.rst
@@ -24,7 +24,8 @@ Ubuntu
 ::
 
     sudo apt-get install python python-setuptools python-virtualenv python-dev \
-                 gcc swig dialog libaugeas0 libssl-dev ca-certificates
+                 gcc swig dialog libaugeas0 libssl-dev libffi-dev \
+                 ca-certificates
 
 
 Mac OSX