Digging ARM, old gcc

[Alexander Larsson]

On Fri, 2017-08-11 at 20:37 +0200, Aleix Pol wrote:
> On Tue, Jul 25, 2017 at 9:31 AM, Alexander Larsson <alexl at redhat.com>
> wrote:
> > On Tue, 2017-07-11 at 18:47 +0200, Aleix Pol wrote:
> > > Hi,
> > > I've been pulling the thread on the QtWebEngine again now that
> > > 5.9
> > > was
> > > released and found a different issue:
> > > https://bugreports.qt.io/browse/QTBUG-61846
> > > 
> > > In this bug report Kofler suggests that our gcc (6.2.0) may be
> > > having
> > > an issue, do you know if we could maybe be shipping a newer one?
> > > I
> > > don't see an advantage in having an old compiler.
> > > I'm not sure which version fixes the issue, if you think it's
> > > worth
> > > it
> > > I can figure it out.
> > 
> > We inherit gcc from the yocto base, and while there is nothing that
> > prohibits us from fixin particular bugs in that I don't want to
> > just
> > change to a massively different version, because that could expose
> > issues (build and runtime) in other parts of the runtime. I want to
> > use
> > the same version that upstream yocto tested against.
> > 
> > However, I know there is one arm specific thing in our compilers
> > that
> > is a bit different from what is common. It does not enable "thumb"
> > mode
> > by default. That causes some issues with GtkWebkit i believe. You
> > can
> > try adding -mthumb to CPPFLAGS and see if this affects anything.
> 
> I managed to build it in the end, here's the patch for the curious:
> https://commits.kde.org/flatpak-kde-runtime/d016215d753b6178fe615f922
> 63eb4d693ef204a
> 
> I'll be mostly AFK for the next 2 weeks, I'll look into setting up
> regular builders for the other architectures when I'm back.

Sweet! Ping me when the builds are up, then i can import it to flathub
so that qt apps can use it!

-- 
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 Alexander Larsson                                            Red Hat, Inc 
       alexl at redhat.com            alexander.larsson at gmail.com 
He's a suicidal shark-wrestling photographer who hangs with the wrong 
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