From 7ce0b58af82b3ab23114d085a30e73fe3dd4aded Mon Sep 17 00:00:00 2001
From: Michael Vines <mvines@solana.com>
Date: Mon, 2 Jul 2018 10:42:56 -0700
Subject: [PATCH] Document pkg-config dependency

---
 README.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 5973aeb250..4d2bd2afd3 100644
--- a/README.md
+++ b/README.md
@@ -238,9 +238,9 @@ If your rustc version is lower than 1.26.1, please update it:
 $ rustup update
 ```
 
-On Linux systems you may need to install libssl-dev.  On Ubuntu:
+On Linux systems you may need to install libssl-dev and pkg-config.  On Ubuntu:
 ```bash
-$ sudo apt-get install libssl-dev
+$ sudo apt-get install libssl-dev pkg-config
 ```
 
 Download the source code: