[修改]：删除多余的代码。

Sconscript

@@ -1,10 +1,8 @@
-Import('rtconfig')
-import os
 from building import *
 
 cwd = GetCurrentDir()
 src = ['sqlite3.c']
-CPPPATH = [cwd, str(Dir('#'))]
+CPPPATH = [cwd]
 
 group = DefineGroup('sqlite', src, depend = ['RT_USING_SQLITE'], CPPPATH = CPPPATH)