From 485e0f140ed6ce10b7a1ecf2483fabd7fc74b150 Mon Sep 17 00:00:00 2001
From: tqchen <tianqi.tchen@gmail.com>
Date: Sun, 31 Aug 2014 22:53:35 -0700
Subject: [PATCH] add

---
 Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Makefile b/Makefile
index d3140777d..28a289ac6 100644
--- a/Makefile
+++ b/Makefile
@@ -41,6 +41,7 @@ install:
 	cp -f -r $(BIN)  $(INSTALL_PATH)
 
 Rpack:
+	make clean
 	rm -rf xgboost xgboost*.tar.gz
 	cp -r R-package xgboost
 	rm -rf xgboost/inst/examples/*.buffer