[cmake-developers] conditionals in generator expressions

Stephen Kelly steveire at gmail.com
Tue Aug 14 05:11:08 EDT 2012


Brad King wrote:

> On 06/11/2012 11:27 AM, Brad King wrote:
>> I've started a local topic branch and implemented $<0:...>,
>> $<1:...>, and $<CONFIG:...>.  When I get a chance I'll add
>> some of the other queries, documentation, and tests for the
>> generator expression features.
> 
> I've been making occasional progress on this.  This morning I
> packaged up the results into a topic branch and pushed it here:
> 
>  https://gitorious.org/~bradking/cmake/bradkings-cmake/commits/generator-
expression-conditions
> 
> It includes basic documentation and extensive tests.  I'll
> look at merging it after the development pause is over.
> 
>> I don't think I'll have time to add new places like
>> INCLUDE_DIRECTORIES that evaluate values through
>> cmGeneratorExpression.  It should be pretty straightforward
>> for you to try though.
> 
> This is still the case.  You can try it based on my topic.
> 

Thanks, I'll see what I can figure out. 

I think at this point, I'm more interested in linking to a library based on 
the content of a target property (ie, linking QT_QTMAIN_LIBRARY based on 
whether WIN32_EXECUTABLE is set), so I may need to expand it along the lines 
you did for $<CONFIG:> first.

Thanks,

Steve.




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