Index: lldb/trunk/test/lldbtest.py
===================================================================
--- lldb/trunk/test/lldbtest.py
+++ lldb/trunk/test/lldbtest.py
@@ -1836,7 +1836,7 @@
             return self.lib_dir
 
     def getLibcPlusPlusLibs(self):
-        if sys.platform.startswith('freebsd') or sys.platform.startswith('linux'):
+        if self.getPlatform() == 'freebsd' or self.getPlatform() == 'linux':
             return ['libc++.so.1']
         else:
             return ['libc++.1.dylib','libc++abi.dylib']