From 007f60a352e19ab0718d6213bba1dc85e823d7a1 Mon Sep 17 00:00:00 2001
From: Tianqi Chen <tqchen@users.noreply.github.com>
Date: Fri, 16 May 2014 22:54:24 -0700
Subject: [PATCH] Update README.md

---
 README.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/README.md b/README.md
index 659f8d5fa..1f1ec89fb 100644
--- a/README.md
+++ b/README.md
@@ -37,6 +37,12 @@ Planned components
     - matrix factorization
     - structured prediction
 
+Build
+======
+* Simply type make
+* If your compiler does not come with OpenMP support, it will fire an warning telling you that the code will compile into single thread mode, and you will get single thread xgboost
+  - You may get a error: -lgomp is not found, you can remove -fopenmp flag in Makefile to get single thread xgboost, or upgrade your compiler to compile multi-thread version
+
 File extension convention
 =======
 * .h are interface, utils and data structures, with detailed comment;