All coin-or ports are conflicting with the maintainer guidelines.

[Neumann-A]

The following ports:
coinutils, clp, cgl, osi, openmvg(?)
are conflicting with maintainer guidelines.

a) vendored CMakeLists.txt (upstream also doesn't seem eager to add it coin-or/CoinUtils#101)
b) exported targets not namespaced with unoffical::
c) no pc files from original build system
d) port names don't reflect entries in https://repology.org (those are typically prefixed with coin-or-)

So I vote to remove those ports from the version db and move them to their correct names while at the same time moving them to their upstream buildsystem.

The reason i discovered this is because i wanted to add coin-or-ipopt

[dg0yt]

I experimented with the upstream autotools build system for coinutils in #26524.
The problem is that it uses such heavy customizations of autotool that they are bound to specific version of each autothing. They are lagging behind current versions, and we can't autoreconf easily, and so we can't easily get improvements need for uwp et al.

[Neumann-A]

#29398 works for x64-windows. Uwp looks a bit sketchy maybe there is just an include missing but otherwise I'll consider it unsupoorted by upstream. don't know about the linux error yet.

[Neumann-A]

also maybe I was lucky that they seem to have updated autotools yesterday.

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[Neumann-A]

stll relevant

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