[cmake-developers] New INTERFACE_LINK_LIBRARIES policy approach

Brad King brad.king at kitware.com
Thu Jan 3 16:33:02 EST 2013


On 12/29/2012 05:14 AM, Stephen Kelly wrote:
> Brad King wrote:
> 
>> When the property is not set (internally it is WARN) then tll()
> 
> s/property/policy/ ?

Yes.

> s/internally/initially/ ?

No, I was referring to cmPolicies::WARN.

>> will populate both the old and new properties.  ComputeLinkInfo
> 
> do you mean cmComputeLinkDepends?

Oops, I meant cmTarget::ComputeLinkInterface.

>> will compute both the old and new style link interfaces, warn if
>> they are different, and use the old one.
> 
> I think that's much more complex. Why do you think it's less complex than 
> what is currently in my branch which compares the contents of the properties 
> instead?

It is the same as in your current branch.

> What would happen if foo has policy WARN, and bar has policy NEW, and foo 
> depends on bar, and the policy is triggered?

I think this question is moot given the above two answers.  The
policy is not evaluated transitively.

-Brad



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