[Lazarus] Where to define conditionals for FPC

[Gabor Boros]

2020. 05. 08. 14:07 keltezéssel, Bo Berglund via lazarus írta:
> I know that you can define "custom options" in Lazarus
> Project/Options/CompilerOptions/CustomOptions/Defines
> 
> These can then be used in constructs like this example:
> 
> {$IFDEF USE_LAZSERIAL}
> //Code pertaining to LazSerial
> {$ELSE}
> //Code pertaining to AsyncPro
> {$ENDIF}
> 
> But if I do not want to use Lazarus, how do I set the conditionals I
> want to use?


Compile with "fpc ... -dUSE_LAZSERIAL".

Gabor