[Pkg-pascal-devel] Bug#997948: winff FTBFS: Fatal: (10022) Can't find unit Interfaces used by winff

[Abou Al Montacir]

Hi Paul

> A retry worked. It seems to me that the failure was due to lazarus not
> having been rebuild against the latest fpc in the archive.
More exactly, because the installed lcl-units-* were not build using the
installed FPC.

> But in Debian
> I'd expect package relations to embed the knowledge to prevent this from
> happening.
This is generally the case except when FPC get upgraded to a new version, which
is generally a transitory situation for a very short time.
> 
> Similar to the discussion in bug 997940 about src:castle-game-engine.
It is not  exactly the same. Lazarus is an IDE + framework (LCL).
The IDE itself can work with whatever FPC version and with many LCL versions. So
in principle, one can install the IDE and have a custom FPC + LCL.
One problem here is that the LCL is packaged with the IDE, and this is a issue
from upstream not separating the IDE development from the framework development.

I don't like the idea to enforce the dependency because in principle, the same
instance of Lazarus IDE can work with FPC-2.2.0 and FPC-2.2.2 which allows a
developer to have time to migrate his application broken by a FPC or LCL upgrade
wile using the last IDE. I personally use this feature for a SW that is tightly
linked to LCL and thus using a new Lazarus with an old LCL until upgrade is
done.
-- 
Cheers,
Abou Al Montacir
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