update SrcRemove function in building script.

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1830 bbd45198-f89e-11dd-88c7-29a3b14d5316

tools/building.py

@@ -609,13 +609,14 @@ def EndBuilding(target):
 
     if GetOption('target') == 'iar':
         IARProject('project.ewp', Projects) 
-import copy
+
 def SrcRemove(src, remove):
-	src_tmp = copy.copy(src)
-	count = 0
-	for i in range(0, len(src_tmp)):
-		s = os.path.basename(str(src_tmp[i]))
-		if s in remove:
-			src.pop(i-count)
-			count = count + 1
-	return src
\ No newline at end of file
+	if type(src[0]) == type('str'):
+		for item in src:
+			if os.path.basename(item) in remove:
+				src.remove(item)
+		return
+
+	for item in src:
+		if os.path.basename(item.rstr()) in remove:
+			src.remove(item)