[cmake-developers] INTERFACE_LINK_LIBRARIES property?

[Brad King]

On 06/27/2013 03:35 AM, Stephen Kelly wrote:
> Brad King wrote:
>> On 6/26/2013 12:24 PM, Stephen Kelly wrote:
>> I think the generated targets file will need to bump its
>> minimum required version of CMake if the policy is NEW
>> and the compatibility export option is not used.  Otherwise
>> consuming projects running older CMake versions will silently
>> get through the CMake step and fail at build time.
> 
> Yes, something has to be done to fix that. I would add a check on the cmake 
> version with a FATAL_ERROR, like in the Qt 5 config files. It looks like 
> bumping the CMAKE_IMPORT_FILE_VERSION alone wouldn't have any effect because 
> there is no other code checking it, so that would have to be added. It seems 
> easier to me and no worse to add a FATAL_ERROR?

Yes, a version check with a fatal error would work.

The CMAKE_IMPORT_FILE_VERSION is for forward compatibility.
I do not know if we'll ever use it but I wanted to add it
at the beginning just in case.

-Brad