update the rtconfig.py and SConstruct in the BSP

in order to use buildbot.py

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2028 bbd45198-f89e-11dd-88c7-29a3b14d5316

bsp/mini2440/rtconfig.py

@@ -1,3 +1,5 @@
+import os
+
 # panel options
 # 'PNL_A70','PNL_N35', 'PNL_T35' , 'PNL_X35'
 RT_USING_LCD_TYPE = 'PNL_T35'
@@ -9,12 +11,24 @@ TextBase = '0x30000000'
 
 CROSS_TOOL 	= 'gcc'
 
+if os.getenv('RTT_CC'):
+	CROSS_TOOL = os.getenv('RTT_CC')
+
 if  CROSS_TOOL == 'gcc':
 	PLATFORM 	= 'gcc'
 	EXEC_PATH 	= 'C:/Program Files/CodeSourcery/Sourcery G++ Lite/bin'
 elif CROSS_TOOL == 'keil':
 	PLATFORM 	= 'armcc'
 	EXEC_PATH 	= 'C:/Keil'
+elif CROSS_TOOL == 'iar':
+    print '================ERROR============================'
+    print 'Not support iar yet!'
+    print '================================================='
+    exit(0)
+
+if os.getenv('RTT_EXEC_PATH'):
+	EXEC_PATH = os.getenv('RTT_EXEC_PATH')
+
 BUILD = 'debug'
 
 if PLATFORM == 'gcc':