чт, 16 мар. 2023 г., 13:56 Philippe Mathieu-Daudé <phi...@linaro.org>:

> On 16/3/23 11:22, Andrew Randrianasulu wrote:
> > чт, 16 мар. 2023 г., 12:17 Andrew Randrianasulu <randrianas...@gmail.com
> > <mailto:randrianas...@gmail.com>>:
> >     чт, 16 мар. 2023 г., 11:31 Thomas Huth <th...@redhat.com
> >     <mailto:th...@redhat.com>>:
> >         On 16/03/2023 08.36, Philippe Mathieu-Daudé wrote:
> >          > On 16/3/23 08:17, Andrew Randrianasulu wrote:
> >          >> чт, 16 мар. 2023 г., 10:05 Philippe Mathieu-Daudé
> >         <phi...@linaro.org <mailto:phi...@linaro.org>
> >          >> <mailto:phi...@linaro.org <mailto:phi...@linaro.org>>>:
> >          >>     On 16/3/23 01:57, Andrew Randrianasulu wrote:
> >          >>      > Looking at https://wiki.qemu.org/ChangeLog/8.0
> >         <https://wiki.qemu.org/ChangeLog/8.0>
> >          >>     <https://wiki.qemu.org/ChangeLog/8.0
> >         <https://wiki.qemu.org/ChangeLog/8.0>>
> >          >>      > <https://wiki.qemu.org/ChangeLog/8.0
> >         <https://wiki.qemu.org/ChangeLog/8.0>
> >          >>     <https://wiki.qemu.org/ChangeLog/8.0
> >         <https://wiki.qemu.org/ChangeLog/8.0>>>
> >          >>      >
> >          >>      > ===
> >          >>      > System emulation on 32-bit x86 and ARM hosts has been
> >         deprecated.
> >          >>     The
> >          >>      > QEMU project no longer considers 32-bit x86 and ARM
> >         support for
> >          >>     system
> >          >>      > emulation to be an effective use of its limited
> >         resources, and thus
> >          >>      > intends to discontinue.
>
>
> > Still, pushing users into endless hw upgrade is no fun:
> >
> >
> https://hackaday.com/2023/02/28/repurposing-old-smartphones-when-reusing-makes-more-sense-than-recycling/
> <
> https://hackaday.com/2023/02/28/repurposing-old-smartphones-when-reusing-makes-more-sense-than-recycling/
> >
> >
> > note e-waste and energy consumption
> >
> > This graph does not make me happy:
> >
> >
> https://ourworldindata.org/grapher/global-energy-substitution?time=earliest..2021
> <
> https://ourworldindata.org/grapher/global-energy-substitution?time=earliest..2021
> >
> >
> > Note this paradox too
> >
> > https://en.m.wikipedia.org/wiki/Jevons_paradox
> > <https://en.m.wikipedia.org/wiki/Jevons_paradox>
>
>
> >          >> [...] I also ran qemu-system-ppc on Huawei Matepad T8 (32
> >         bit Android,
> >          >> too) for emulating old mac os 9. Yes, I can wait 10 min per
> >         guest boot.
> >          >> Fedora 36 armhf boots even slower on emulation!
> >
> >         Yes, but for such scenarios, you can also use older versions of
> >         QEMU, you
> >         don't need the latest and greatest shiny QEMU version.
>
> Thomas answer still applies: if you can use QEMU v8.0.0 to emulate
> macOS 9 on your Huawei Matepad T8 with 32-bit Android, why worry
> about trying to use future QEMU versions?
>

Because Termux (only one currently supported distro for bare Android, as
far as I know, everything else either unsupported or run under it, with
some space penalty due to not using Android's libraries) will update qemu
As Fast As Possible, being rolling release.


Again, I as maintainer/developer (due to our real developer  being dead
from road  incident) of cinelerra-gg I only can recommend to try your
favourite projects in somewhat constrained environment, I tweaked our build
system quite heavily simply because I was forced by device's constrains.

Also, for CI thing may be lessen compiler optimization levels at least for
some runs? And/or tweak ccache compression ....

>

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