[mythtv] CMake build on Fedora 42

[Klaas de Waal]

On Wed, 7 May 2025 at 22:30, David Hampton via mythtv-dev <
mythtv-dev at mythtv.org> wrote:

> On Wed, 2025-05-07 at 22:12 +0200, Klaas de Waal wrote:
> > Hi,
> >
> > Is the CMake build on Fedora 42 supposed to work?
> > I did give it a try but it failed on lto (link time optimization)
> > with a segfault on linking libmythmpeg2.
> > The classic configure script works OK but that does not do lto.
>
> I compile regularly using cmake on both Fedora 41 and Fedora 42.  I've
> not see a crash linking that directory.  I just deleted and recreated
> my build directory on an F42 system and I still don't see a problem.
>
> Is cmake reusing any libraries from a previous build?  This might be a
> case where the build is trying to link together an lto and a non-lto
> library/file.  ISTR some link time crashes when I was trying to get lto
> support working.
>
> And it is now working! In addition to deleting the build directory I
needed to clean the ccache.

Thanks,
Klaas.
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