Re:

>Try this:
>
>#define c == 1
>#define d == 2
>
>#if CONFIG == c
>...
>#elif CONFIG == d
>...
>#endif


I presume you meant

#define c 1
#define d 2
...

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 ...
--

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

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