[cmake-developers] conditionals in generator expressions

[Brad King]

On 09/24/2012 09:15 AM, Stephen Kelly wrote:
> I also want to obsolete the IMPORTED_LINK_INTERFACE_LIBRARIES in favor 
> of INTERFACE_LINK_LIBRARIES so that expressions such as 
> 
>  $<TARGET_PROPERTY:foo,INTERFACE_LINK_LIBRARIES>
> 
> work for every target, not just non-imported ones. I'm not really sure why 
> the IMPORTED_ variants of those properties were created and whether they are 
> really needed?

I don't remember for sure the reasoning at the time.  Imported targets
were so new we weren't sure how they would end up working out.  The
IMPORTED_ prefix gave us a namespace to separately document them.

-Brad