how to find version?

I'm trying to figure out what version of a source code I have.  I know 
it's a 7.2 release,  but how can I find out of it's 7.2,  7.2.3,  7.2.4,  
etc.  FROM THE SOURCE CODE,  not from compiling (it doesn't compile,  it's 
testing code).

Thanks

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 c: 917-697-8665                                            h: 201-435-6226
 b. palmer,  bpalmer@crimelabs.net           pgp:crimelabs.net/bpalmer.pgp5