Messages in this thread | | | Date | Mon, 18 Oct 2021 21:10:58 +0200 | From | Sebastian Andrzej Siewior <> | Subject | Re: [PATCH] ARM: drop cc-option fallbacks for architecture selection |
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On 2021-10-18 16:07:12 [+0200], Arnd Bergmann wrote: … > Passing e.g. -march=armv6k+fp in place of -march=armv6k would avoid this > issue, but the fallback logic is already broken because all supported > compilers (gcc-5 and higher) are much more recent than these options, > and building with -march=armv5t as a fallback no longer works. > > The best way forward that I see is to just remove all the checks, which > also has the nice side-effect of slightly improving the startup time for > 'make'. > … > This should be safe to apply on all stable kernels, and will be required > in order to keep building them with gcc-11 and higher.
Yes, please.
> Reported-by: Antonio Terceiro <antonio.terceiro@linaro.org> > Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org> > Reported-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc> > Link: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=996419 > Cc: Matthias Klose <doko@debian.org> > Cc: stable@vger.kernel.org > Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Just booted Debian 9/ Stretch which ships gcc version 6.3.0 20170516 (Debian 6.3.0-18)
to confirm that it fails to compile with the armv5t fallback.
Sebastian
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