[CMake] add_test to support generator expressions?

[Stephen Kelly]

Chris Green wrote:

> Ah, I see. It appears I was unclear on the difference between target and
> test. What I actually want is the *test* property SKIP_RETURN_CODE,
> which there does not seem to be any way to access via a generator
> expression. Looks like I'm out of look, unless this is an upcoming
> feature?

Generator expressions are generally only useful for things which are 
determined at generate-time.

Can't you just read the test property at configure-time instead? You're the 
one setting the property, right?

Thanks,

Steve.