[cfe-dev] How to programatically define a symbol?

[Matthieu Monrocq]

Le 7 avril 2012 20:17, Yaakov Davis <yaakov.davis at gmail.com> a écrit :

> I want to programatically define a symbol, e.g. FOO, such that the code
> "#if defined(FOO)" will evaluate to true during pre-processing.
> How do I that?
>
> I tried addMacroDef("FOO"), and other methods, but to no avail.
>
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>
Either:

#define FOO

in the code or

-DFOO

on the command line during the compilation (for gcc and clang at least)

-- Matthieu
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