[cmake-developers] Interface includes and defines plumbing

[Stephen Kelly]

Brad King wrote:

> On 01/04/2013 09:26 AM, Stephen Kelly wrote:
>> The other uses of context->Config is in $<CONFIGURATION>, where I don't
>> think the mapping should be used, and CONFIG_DEBUG, which you said
>> previously should not use the mapping.
>> 
>>  
http://thread.gmane.org/gmane.comp.programming.tools.cmake.devel/5398/focus=5488
> 
> Hmm...actually $<CONFIG_DEBUG> should evaluate to true or false based
> on whether the mapped configuration was considered a debug configuration
> according to the exporting project's DEBUG_CONFIGURATIONS property.
> Yuck. 

I agree.

> Previously all export properties were generated by evaluating
> each configuration of the exporting project and recording the results
> at export time.  Now the configuration isn't used for evaluation until
> loaded by the importing project.
> 
> One solution is to convert $<CONFIG_DEBUG> at export time to something
> like $<OR:$<CONFIG:Debug1>,$<CONFIG:Debug2>,...> where Debug1;Debug2;...
> are the values of the DEBUG_CONFIGURATIONS global property.  Another
> solution is to use the $<OR:...> approach instead of $<CONFIG_DEBUG>
> altogether.

I think the latter may be the best solution.

> 
> Anyway, since $<CONFIG_DEBUG> is not part of this topic it doesn't yet
> matter anyway. 

Yes.

> The topic that adds it should be based on this topic
> so it can get the config map handling.
> 
>> If, you agree, I'll merge this to next.
> 
> Yes, please.  Thanks for splitting this out.

Done, thanks,

Steve.