[cmake-developers] INTERFACE_LINK_LIBRARIES property?

[Stephen Kelly]

Brad King wrote:

> On 06/27/2013 05:28 AM, Stephen Kelly wrote:
>> Please post a snippet of cmake code showing the problems you are seeing
>> so that I can easily understand them.
> 
> Consider this code using CMake 2.8.11:
> 
>  cmake_minimum_required(VERSION 2.8.11)
>  #...
>  add_library(foo SHARED foo.c)
>  target_link_libraries(foo LINK_PUBLIC a)
>  set_property(TARGET foo APPEND PROPERTY LINK_INTERFACE_LIBRARIES b)
> 
> If someone were to change the first line to require 2.8.12 then
> suddenly the link interface will drop "b" silently.

Thanks. That was the description I was looking for.

> 
> With my suggestion then tll will also populate INTERFACE_LINK_LIBRARIES
> if the policy is not set (or a C++-only proxy).  From that the existing
> comparison of old and new interface properties will work.
> 

I went with the option of setting the INTERFACE_LINK_LIBRARIES 
unconditionally in tll. I also added a test for the case above, and added a 
FATAL_ERROR in the export file if required, and pushed it all to my clone 
again.

Thanks,

Steve.