add source remove method

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1816 bbd45198-f89e-11dd-88c7-29a3b14d5316

tools/building.py

@@ -609,3 +609,13 @@ 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
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