[CMake] How to set a preprocessor define for all build configurations except one ?

[Glenn Coombs]

Thanks for the clarification - I have a much clearer understanding now.

--
Glenn

On 18 June 2011 14:30, Michael Hertling <mhertling at online.de> wrote:

>
> COMPILE_DEFINITIONS is used *always*, i.e. for every generator in every
> configuration, and COMPILE_DEFINITIONS_<CONFIG> is used *additionally*
> in configuration <CONFIG>, so it can not be used to remove definitions
> added to COMPILE_DEFINITIONS; in fact, these properties are completely
> independent from each other.
>
> > Would that approach have worked for the multi-config generators ?  Do
> they
> > use the concatenation of COMPILE_DEFINITIONS and
> COMPILE_DEFINITIONS_<active
> > config> ?
>
> All generators use this concatenation, and that's the reason why you
> must handle "NOT CMAKE_CONFIGURATION_TYPES AND NOT CMAKE_BUILD_TYPE"
> separately one way or another if the GEN_OUTFILES definition is to
> be enabled always except for the RELEASENOOUTFILES configuration.
>
> Regards,
>
> Michael
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