Re: When to drop Qt 4 support and require Qt 5?

[Guy Harris <guy () alum mit edu>]

On Feb 21, 2018, at 8:48 AM, Guy Harris <guy () alum mit edu> wrote:

> On Jan 25, 2018, at 3:13 PM, Guy Harris <guy () alum mit edu> wrote:
>
> > On Jan 25, 2018, at 2:15 PM, Roland Knall <rknall () gmail com> wrote:
> >
> > > But as far as versions go, it was agreed at SFEU17, that all dependencies for 2.4 must be set for 2.6 as well. 3.0 
> > > is when we cut off, and for now, I would keep it that way.
> > >
> > > 2.6 should be the final LTS for gtk and qt4.8
> >
> > Speaking of dropping support for older Qt versions and the OSes that require them:
> >
> > Qt 5.3.2 is the last version that supports macOS 10.6/Snow Leopard; do we want to drop support for Snow Leopard at 
> > some point?
>
> This person:
>
>       
> https://ask.wireshark.org/question/1760/crash-at-start-up-i-tried-all-versions-i-am-not-allowed-to-download-anything-other-than-wireshark-itself/
>
> is still using Snow Leopard:
>
> > Date/Time:       2018-02-21 08:32:09.445 -0500
> > OS Version:      Mac OS X 10.6.8 (10K549)

...and it's crashing due to what appears to be a low-level support library issue (as in "GCC support library") that has 
something to do with changes between 10.6 and 10.7.  I've put a long discussion in as the answer, and asked the person 
to file a bug.  I haven't figured out what needs to be done differently in the build procedure - or the procedure for 
building the support libraries on macOS - to fix it.

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