[PATCHv2] libunwind: update to 1.4.0

[Yousong Zhou]

On Wed, 29 Jul 2020 at 11:56, Rosen Penev <rosenp at gmail.com> wrote:
>
> On Tue, Jul 28, 2020 at 6:57 PM Yousong Zhou <yszhou4tech at gmail.com> wrote:
> >
> > On Wed, 29 Jul 2020 at 04:29, Rosen Penev <rosenp at gmail.com> wrote:
> > >
> > > Cleanup Makefile for consistency with other ones.
> > >
> > > Remove PKG_SSP. It can be fixed with -lssp_nonshared.
> > >
> > > Add PKG_BUILD_PARALLEL for faster compilation.
> > >
> > > Add some alpine pathes to fix potential issues.
> >
> > This is just too vague and random.  What are those potential issues?
> > Add some description patch description what's wrong and why we need
> > them, to make it more clear in the future when we can get rid of them!
> Sure.
> >
> > >
> > > Backport GCC 10 patch to fix compilation.
> > >
> > > Remove the InstallDev section for ARC. libunwind does not support ARC
> > > and fails to compile. It seems InstallDev ignores the !arc DEPENDS.
> >
> > Likely it's not caused by InstallDev, reasons given in
> > https://github.com/openwrt/packages/pull/12959#issuecomment-665021413
> I'm not talking about openvswitch. I'm talking about
> https://downloads.openwrt.org/snapshots/faillogs/arc_archs/base/libunwind/compile.txt
> >

It was failing in the configure stage.  Unlikely InstallDev has
anything to do with it.  More details?

Regards,
                yousong