[Buildroot] [PATCH] dependencies/cmake: blacklist cmake 3.7
Yann E. MORIN
yann.morin.1998 at free.fr
Mon Feb 27 18:30:16 UTC 2017
Jörg, All,
On 2017-02-27 18:25 +0100, Yann E. MORIN spake thusly:
> On 2017-02-27 18:12 +0100, Jörg Krause spake thusly:
> > On Sun, 2017-02-26 at 23:42 +0100, Yann E. MORIN wrote:
> > > cmake-3.7 has a bug in how it handles rpath, linking with libraries
> > > from
> > > the host.
> > >
> > > Until we completely understand the issue, just blacklist cmake-3.7.
> > >
> > > The issue has been reported upstream:
> > > http://public.kitware.com/pipermail/cmake/2017-February/064970.ht
> > > ml
> >
> > Brad King from Kitware replied today [1]. In short, Brad does not think
> > there anything wrong about handling the rpath and supposes to load a
> > custom platform cmake file instead of the Linux one.
> >
> > [1] http://public.kitware.com/pipermail/cmake/2017-February/065063.html
>
> OK, so what we would have to do (basically):
>
> - copy Modules/Platform/Linux.cmake to Modules/Platform/Buildroot.cmake
>
> - tweak that file so that the two settings (lib32 and lib64) are now
> FALSE in that file
>
> - tweak our support/misc/toolchain.cmake to set(CMAKE_SYSTEM_NAME Buildroot)
>
> and we'd be all good?
>
> Or alternatively:
>
> - add Modules/Platform/Buildroot.cmake, which:
> - includes Modules/Platform/Linux.cmake
> - sets the the two settings (lib32 and lib64) to FALSE
>
> - tweak our support/misc/toolchain.cmake to set(CMAKE_SYSTEM_NAME Buildroot)
So I tested that last solution, and it indeed fixes the build. Woot!
Of course, this is only for when we build out own cmake, not when we use
the host pre-installed one. I'll try to see tonight if we can do similar
for it, too.
Thanks for the hints! :-)
Regards,
Yann E. MORIN.
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