[OpenWrt-Devel] [PATCH 2/5] toolchain/gcc: make GCC9 by default for archs38

Evgeniy Didin Evgeniy.Didin at synopsys.com
Fri Mar 13 14:54:49 EDT 2020

Also forgot to mention, that at GCC 8.4.0 it fails as well. I can try to find missing patches between 8.4.0 and 9.2.0 and add them.
What should I better do?


From: openwrt-devel <openwrt-devel-bounces at lists.openwrt.org> On Behalf Of Evgeniy Didin
Sent: Friday, March 13, 2020 5:26 PM
To: Hauke Mehrtens <hauke at hauke-m.de>; openwrt-devel at lists.openwrt.org
Cc: Petr Štetiar <ynezz at true.cz>; Alexey Brodkin <abrodkin at synopsys.com>; John Crispin <john at phrozen.org>
Subject: Re: [OpenWrt-Devel] [PATCH 2/5] toolchain/gcc: make GCC9 by default for archs38

Hi Hauke,

This problem reproduces only for ARC(ARM is ok) and Linux v5.4 (v4.19 is ok).

Best regards,
Evgeniy Didin

From: Hauke Mehrtens <hauke at hauke-m.de<mailto:hauke at hauke-m.de>>
Sent: Thursday, March 12, 2020 6:33 PM
To: Evgeniy Didin <didin at synopsys.com<mailto:didin at synopsys.com>>; openwrt-devel at lists.openwrt.org<mailto:openwrt-devel at lists.openwrt.org> <openwrt-devel at lists.openwrt.org<mailto:openwrt-devel at lists.openwrt.org>>
Cc: Alexey Brodkin <abrodkin at synopsys.com<mailto:abrodkin at synopsys.com>>; Petr Štetiar <ynezz at true.cz<mailto:ynezz at true.cz>>; John Crispin <john at phrozen.org<mailto:john at phrozen.org>>
Subject: Re: [PATCH 2/5] toolchain/gcc: make GCC9 by default for archs38

On 3/12/20 2:34 PM, Evgeniy Didin wrote:
> It is necessary to use GCC9 for building Linux 5.4.x version for
> archs38, in GCC8 the critical fixes are missing and ICE appears
> during building.

Is this problem specific to OpenWrt or is there a general problem with
arc Linux and gcc 8.3?

Should it work with gcc 8.4?

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