Re: libscotch-dev/7.0.1-2: Why is there no libscotchmetis.so?

[Drew Parsons <dparsons@debian.org>]

On 2022-03-18 21:50, Markus Blatt wrote:
> Hi,
>
> while investigating several bugs [1] [2] [3] caused by the scotch 
> transition,
> I started wondering why there is no libscotchmetis.so library but just
> libscotchmetisv3.so and libscotchmetisv5.so.
>
> The cause for the bugs seems to be that the CMake scripts only search
> for libscotchmetis.so.
> This can be fixed in dune-common by searching for the correct version. 
> An
> alternative fix might be that libscotch-dev also ships a
> libscotchmetis.so that points
> to one of those.



It would be like that because if you want to use scotch, then 
libscotch.so is what you want to link against, not libscotchmetis.so.

libscotchmetis.so (v3 or v5) is a (partial) compatibility library for 
metis, so if it's metis that you want, without wanting to explicitly 
specify the version, then I think you want to link against libmetis.so, 
not libscotchmets.so.

Why is FindMETIS.cmake looking for libscotchmetis.so instead of 
libmetis.so?

Drew