[Pkg-cmake-team] Bug#1050506: Bug#1050506: Could NOT find EXPAT (missing: EXPAT_LIBRARY) (found version "2.5.0")

[Brad King]

On Fri, Aug 25, 2023 at 10:15 AM Mathieu Malaterre wrote:
> > Also, why do you think this is a CMake issue and not a VTK issue?
>
> As explained in my original report, this is a change of behavior in
> current cmake 3.27.

The problem is that VTK has its own copy of FindEXPAT that steps
on private implementation details of CMake's FindEXPAT.  In CMake
3.27, some of those implementation details changed:

* https://gitlab.kitware.com/cmake/cmake/-/merge_requests/8225

VTK's copy needs to be updated to account for them.

-Brad