From 7d8a75534f91e83540909c863c4f235be5c6aaaf Mon Sep 17 00:00:00 2001
From: Peter Harpending <pharpend2@gmail.com>
Date: Sun, 26 Oct 2014 11:42:59 -0600
Subject: [PATCH] Add Gentoo instructions for installing alex and happy.

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

diff --git a/README.md b/README.md
index dc6ffb8..3ee0bb7 100644
--- a/README.md
+++ b/README.md
@@ -107,6 +107,10 @@ tree, so you'll want to use `cabal-install` to install the more recent version.
     cabal update
     cabal install cabal-install
 
+Once you do that, you'll want to install the additional tools `alex` and `happy`.
+
+    cabal install alex happy
+
 ### Mac OS X
 
 #### 10.9