Complete license and build script (apache#473)

1. Complete license and build script
2. Complete build script
3. Complete the READEME.md

LICENSE.txt

@@ -412,12 +412,20 @@ be/src/olap/new_status.cpp : BSD-style license
   Copyright (c) 2011 The LevelDB Authors. All rights reserved.
   Use of this source code is governed by a BSD-style license that can be
   found in the LICENSE file. See the AUTHORS file for names of contributors.
+
+--------------------------------------------------------------------------------
+
+be/src/util/murmur_hash3.h : licensed under the following terms:
+
+  MurmurHash3 was written by Austin Appleby, and is placed in the public
+  domain. The author hereby disclaims copyright to this source code.
+
 --------------------------------------------------------------------------------
 
 be/src/util/murmur_hash3.cpp : licensed under the following terms:
 
   MurmurHash3 was written by Austin Appleby, and is placed in the public
-  omain. The author hereby disclaims copyright to this source code.
+  domain. The author hereby disclaims copyright to this source code.
 
 --------------------------------------------------------------------------------
 
@@ -449,7 +457,7 @@ webroot/static/jquery.js : MIT license
 
 --------------------------------------------------------------------------------
 
-jquery.dataTables.js and webroot/static/datatables*: MIT license
+webroot/static/jquery.dataTables.js and webroot/static/datatables*: MIT license
 
   Copyright (C) 2008-2015, SpryMedia Ltd.
 

README.md

@@ -20,8 +20,7 @@ The simplicity (of developing, deploying and using) and meeting many data servin
 
 ## 4. Compile and install
 
-Currently support Docker environment and Linux OS: 
-Docker (Linux / Windows / Mac), Ubuntu and CentOS.
+Currently only supports Docker environment and Linux OS, such as Ubuntu and CentOS.
 
 ### 4.1 For Docker
 
@@ -70,25 +69,15 @@ sh build.sh
 
 After successfully building, it will install binary files in the directory output/.
 
-### 4.2 For Linux
+### 4.2 For Linux OS
 
 #### Prerequisites
 
-GCC 5.3.1+, Oracle JDK 1.8+, Python 2.7+, Apache Maven 3.5+, CMake 3.4.3+
-
-* For Ubuntu: 
-
-```
-sudo apt-get install g++ cmake zip byacc flex automake libtool binutils-dev libiberty-dev bison python2.7 libncurses5-dev
-sudo updatedb
-```
+You must be install following softwares:
 
-* For CentOS:
+GCC 5.3.1+, Oracle JDK 1.8+, Python 2.7+, Apache Maven 3.5+, CMake 3.4.3+
 
-```
-sudo yum install gcc-c++ libstdc++-static cmake byacc flex automake libtool binutils-devel bison ncurses-devel
-sudo updatedb
-```
+After you installed above all, you also must be set them to environment variable PATH and set JAVA_HOME.
 
 If your GCC version is less than 5.3.1, you can run:
 
@@ -98,7 +87,6 @@ sudo yum install devtoolset-4-toolchain -y
 
 and then, set the path of GCC (e.g /opt/rh/devtoolset-4/root/usr/bin) to the environment variable PATH.
 
-
 #### Compile and install
 
 Run following script, it will compile thirdparty libraries and build whole Doris.

env.sh

@@ -21,6 +21,14 @@ if [[ -z ${DORIS_HOME} ]]; then
     exit 1
 fi
 
+# check OS type
+if [[ ! -z "$OSTYPE" ]]; then
+    if [[ "$OSTYPE" != "linux-gnu" ]]; then
+        echo "Error: Unsupported OS type: $OSTYPE"
+        exit 1
+    fi
+fi
+
 # include custom environment variables
 if [[ -f ${DORIS_HOME}/custom_env.sh ]]; then
     . ${DORIS_HOME}/custom_env.sh