[CMake] Editing IMPORTED targets

[Ivan Shapovalov]

On 2016-10-03 at 14:43 +0200, Stephen Kelly wrote:
> Ivan Shapovalov wrote:
> 
> > Hello!
> > 
> > Using find modules to detect dependencies has a nice feature: it is
> > then possible to edit the resulting cache entries to link to
> > different
> > libraries (or add other libraries along the found ones, for
> > whatever
> > purposes), or change directories, or flags, or whatever.
> > 
> > Using find configs and IMPORTED targets, however, prevents doing
> > this,
> > because IMPORTED targets are not stored in CMake cache. This can be
> > a
> > significant disadvantage at times.
> 
> Can you be more specific?
> 
> Why can the user provide better information than the supplier of the 
> IMPORTED target?
> 
> Thanks,
> 
> Steve.
> 
> 

Well, sometimes you need to do certain "maintainer-specific" overrides:
include custom headers before everything, link to custom libraries
before everything and so on. Think LD_PRELOAD, but at link time.

-- 
Ivan Shapovalov / intelfx /
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