From 6e8d3cda509e7aeeb4140cf6d9d4a1eb45680446 Mon Sep 17 00:00:00 2001
From: Alex Meng <alexbmeng@gmail.com>
Date: Fri, 13 Mar 2015 16:12:35 -0400
Subject: [PATCH] Update install instructions with pre-install step

---
 README.md | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/README.md b/README.md
index 97dee8e..8654a12 100644
--- a/README.md
+++ b/README.md
@@ -29,6 +29,21 @@ Check the [test suite](https://github.com/mehcode/python-saml/blob/master/tests/
 
 ## Install
 
+### Pre-Install
+
+#### Linux
+
+   ```sh
+   apt-get install libxml2-dev libxmlsec1-dev
+   ```
+
+#### Mac
+
+   ```sh
+   brew install libxml2 libxmlsec1
+   ```
+
+
 ### Automated
 
 1. **saml** can be installed through `easy_install` or `pip`.