Compiler Option: -d
Add a preprocessor definition
Syntax
`
-d < name=value >
-d < name >
`
Parameters
`name`
Name of the preprocessor macro to define. No parameters are allowed.
`value`
Value to give to the macro. If omitted, it will be defined as 1
Description
The `-d` compiler option adds a preprocessor macro to all source files. The same as using the preprocessor directive `#define` or `#macro`.
See also

- #define
- #macro
- Intrinsic Defines
- Using the Command Line