>  > #define c 1
>>  #define d 2
>
>Yeah, that's what I meant.
>
>>
>>  Yes, that works inside of files, but I need to define the symbol
>>  _outside_ of any file, e.g. on the compiler's command-line. I don't
>>  want to involve any other files ("include on demand") that would
>>  contain the #define directive. This is a subtle difference ...
>
>inside your file:
>
>#define c 1
>#define d 2
>
>#if CONFIG == c
>   ...
>#elif CONFIG == d
>
>#endif
>
>And all that has to go on the command line is:
>
>     -dCONFIG=c
>
>which is, I believe, what you are looking for.


Ahhh .. so we give the char a numeric value via the #define, so that
a valid comparison can be made, and we can pass any character in on
the command line.

Thanks, that's what I was looking for!
--

  ______________________________________
   Andrew E. Kalman, Ph.D.   aek@pumpkininc.com

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