[vtk-developers] BandedPolyDataContourFilter failes to compile on Ubuntu 14

[Bill Lorensen]

What happened to the arguments against my complaints about this error?

Bill

On Tue, Feb 5, 2019, 9:23 AM Sankhesh Jhaveri <sankhesh.jhaveri at kitware.com
wrote:

> Sweet, thanks Rob,
> ​
>
> On Tue, Feb 5, 2019 at 11:31 AM Robert Maynard <robert.maynard at kitware.com>
> wrote:
>
>> Here is a drop-in wrapper for rotate that has the C++11 behavior but
>> also works with GCC 4.8 ( https://godbolt.org/z/1aVjiZ ).
>>
>> On Tue, Feb 5, 2019 at 10:29 AM Bill Lorensen <bill.lorensen at gmail.com>
>> wrote:
>> >
>> > I don't have a fix. Best if you can look.
>> >
>> > I've built gcc 8.2 do I don't have a problem.
>> >
>> > Bill
>> >
>> > On Tue, Feb 5, 2019, 7:20 AM Sankhesh Jhaveri <
>> sankhesh.jhaveri at kitware.com wrote:
>> >>
>> >> Bill,
>> >>
>> >> It would be great if you have a fix, neverthless. A customer noticed
>> the same issue on Red Hat GCC v4.8.5 20150623. The README says VTK requires
>> gcc  v4.8.3 or newer.
>> >>
>> >> Let me know if you would rather I look into a fix for it.
>> >>
>> >> Thanks,
>> >> Sankhesh
>> >>
>> >>
>> >> On Tue, Feb 5, 2019 at 1:27 AM Bill Lorensen <bill.lorensen at gmail.com>
>> wrote:
>> >>>
>> >>> Sean,
>> >>>
>> >>> Thanks for the suggestion. I was able to build gcc 8.2 on my Ubuntu
>> >>> 14.04 system. Only a little tricky. Took several hours to compile.
>> >>>
>> >>> I have successfully built VTK HEAD and the VTKExamples. All VTK tests
>> passed.
>> >>>
>> >>> No more bitching from me (about this topic anyway0>
>> >>>
>> >>> The compiler did expose some new warnings which I'll fix.
>> >>>
>> >>> Bill
>> >>>
>> >>> On Mon, Feb 4, 2019 at 8:38 AM Sean McBride <sean at rogue-research.com>
>> wrote:
>> >>> >
>> >>> > On Thu, 31 Jan 2019 20:37:32 -0500, David Thompson via
>> vtk-developers said:
>> >>> >
>> >>> > >I'm not sure it is a good idea to support old compilers and
>> distributions:
>> >>> > >
>> >>> > >1. Ubuntu 14.04 LTS will lose support from Canonical in 3 months. I
>> >>> > >would be surprised if what is in git master is released by then.
>> Why
>> >>> > >should we support platforms no longer supported by their
>> distributor?
>> >>> >
>> >>> > Is the compiler so tied to the OS?  Bill, can't you upgrade your
>> compiler without updating your whole OS?
>> >>> >
>> >>> > >2. If we keep forcing workarounds, the next time something breaks,
>> then
>> >>> > >*it* will be the only compiler error. That pattern just keeps
>> accruing
>> >>> > >technical debt. Ultimately, I believe that technical debt will push
>> >>> > >developers away from VTK so I want to avoid it.
>> >>> > >
>> >>> > >3. Not too long ago, it was common practice for systems in
>> production
>> >>> > >use to never get patched (lest the patch break what was working).
>> >>> >
>> >>> > Not that we (programmers collectively) have solved the problem of
>> patches always breaking things that work.  It's still the norm.  :(
>> >>> >
>> >>> > >However, security issues and increased connectivity prevalent
>> today has
>> >>> > >pretty much put a stop to this practice and I think that
>> translates into
>> >>> > >a much weaker argument for supporting older systems.
>> >>> >
>> >>> > I largely agree, but there are exceptions.
>> >>> >
>> >>> > Perhaps less on linux, but newer versions of macOS often drop
>> support for older hardware.  So it's not always easy or cheap to just keep
>> all software up-to-date.
>> >>> >
>> >>> > Cheers,
>> >>> >
>> >>> > --
>> >>> > Sean
>> >>> >
>> >>> >
>> >>>
>> >>>
>> >>> --
>> >>> Unpaid intern in BillsParadise at noware dot com
>> >>> _______________________________________________
>> >>> Powered by www.kitware.com
>> >>>
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>> >>>
>> >> --
>> >>
>> >> Sankhesh Jhaveri
>> >>
>> >> Sr. Research & Development Engineer | Kitware | (518) 881-4417
>> >
>> > _______________________________________________
>> > Powered by www.kitware.com
>> >
>> > Visit other Kitware open-source projects at
>> http://www.kitware.com/opensource/opensource.html
>> >
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>> >
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>> >
>>
> --
> Sankhesh Jhaveri *Sr. Research & Development Engineer* | Kitware
> <http://www.kitware.com/> | (518) 881-4417
> ​
>
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