From e1e98d4a8940a5380b310c9d8a7375fe6b4943b9 Mon Sep 17 00:00:00 2001
From: Zach Riggle <zachriggle@users.noreply.github.com>
Date: Sun, 17 May 2015 10:41:51 -0400
Subject: [PATCH] Update README.md

---
 README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/README.md b/README.md
index 4e01bf4f..305cf31c 100644
--- a/README.md
+++ b/README.md
@@ -26,6 +26,7 @@ Best supported on Ubuntu 14.04 with default `gdb` or `gdb-multiarch` (e.g. with
 As of changes made May 17 you must have GDB 7.9 or newer.  Ubuntu Vivid users already have this.  Otherwise, you'll have to build it from source.  This works for Ubuntu 14.04:
 
 ```sh
+$ sudo apt-get build-dep gdb
 $ wget http://archive.ubuntu.com/ubuntu/pool/main/g/gdb/gdb_7.9.orig.tar.gz
 $ tar xf gdb_7.9.orig.tar.gz
 $ cd gdb-7.9