From c395c5bed3109f834a63384901321e04148450a2 Mon Sep 17 00:00:00 2001
From: tqchen <tianqi.tchen@gmail.com>
Date: Mon, 29 Dec 2014 17:41:47 -0800
Subject: [PATCH] update build script

---
 build.sh | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/build.sh b/build.sh
index 35a566ccc..f6fbcb74b 100755
--- a/build.sh
+++ b/build.sh
@@ -3,6 +3,13 @@
 # basically, it first try to make with OpenMP, if fails, disable OpenMP and make again
 # This will automatically make xgboost for MAC users who do not have openmp support
 # In most cases, type make will give what you want
+
+# download rabit
+if [ ! -d rabit ]; then
+    git clone https://github.com/tqchen/rabit.git
+else
+    cd rabit; git pull; cd ..
+fi
 if make; then
     echo "Successfully build multi-thread xgboost"
 else