From 6984413a66688674f0a600e607bfecb46b5bbec3 Mon Sep 17 00:00:00 2001
From: Jean-Paul Calderone <exarkun@twistedmatrix.com>
Date: Mon, 1 May 2017 11:20:48 -0400
Subject: [PATCH] 16.04 apparently lacks this

---
 Dockerfile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Dockerfile b/Dockerfile
index 5246e0e..0bffba9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -29,6 +29,7 @@ RUN apt-get --quiet update && \
 rm -rf /var/lib/apt/lists/*
 
 RUN apt-get --quiet update && apt-get --quiet install -y \
+    gcc \
     python-dev \
     libffi-dev \
     openssl \