How to give the ant release parameters so it won't add debug symbols

I'm building an android app and i'm using ant to build it. I wanted to know how can i give the ant release command parameters so it won't 开发者_运维问答add any debug symbols / line numbers / local vars to the compiled unit.

thanks!

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I though it was just including the word release or -r ?

Anyway maybe this links contents will help if it's more complex than that Ant Build