From 0eb15207074965e0af09a8e40a95c7b65d49c417 Mon Sep 17 00:00:00 2001
From: OZAWA Tsuyoshi <ozawa.tsuyoshi@gmail.com>
Date: Fri, 8 Mar 2013 15:26:15 +0900
Subject: [PATCH] Update README.md

---
 README.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/README.md b/README.md
index 98ed7f4b..e1a66eee 100644
--- a/README.md
+++ b/README.md
@@ -169,6 +169,9 @@ easy to fork and contribute any changes back upstream.
    install Python 2.7.3, download and unpack the source, then run:
 
         $ pyenv install 2.7.3
+        
+   **NOTE** If you need to pass configure option to build, please use 
+   ```CONFIGURE_OPTS``` environment variable. 
 
 6. Rebuild the shim binaries. You should do this any time you install
    a new Python binary (for example, when installing a new Python version,