[cmake-developers] INCLUDE_DIRECTORIES variable expansion (was: Performance problem in tll-set-include-and-defines-requirements)

[Brad King]

On 11/29/2012 07:34 AM, Stephen Kelly wrote:
> The patch that added that line is d899eb71b52616c9e3f3f5987f229619605e632b. 
> It is apparently there for strict backwards compatibility, but it is not 
> clear what exactly needs to be backwards compatible there. Any idea about 
> that? 

I don't know off the top of my head, Dave?

Stephen, please add the policy that the d899eb71 commit message
suggests.  Only bother with expansion if the policy is OLD or
not set.

-Brad