How to make to go to the base directory of project before calling the compile command.?

[Anand Dhanakshirur]

Hi,
I am using ede and cedet tools.
I have created the project by writing the required things in .emacs file.
What i want is,
whenever i want to compile(<f6> key is bound to compile command)
it should go to the base directory on its own and prompt with a compile 
command,
I don't want to go to the base directory of the project by command M-x cd
every time i want to compile.
How to do that?
Is there an lisp code for that?
Anand

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