Re: [RFC] minimum gcc version for kernel: raise to gcc-4.3 or 4.6?

From: Geert Uytterhoeven
Date: Fri Dec 16 2016 - 11:03:55 EST


Hi Arnd,

On Fri, Dec 16, 2016 at 11:56 AM, Arnd Bergmann <arnd@xxxxxxxx> wrote:
> Specifically on ARM, going further makes things rather useless especially
> for build testing: with gcc-4.2, we lose support for ARMv7, EABI, and
> effectively ARMv6 (as it relies on EABI for building reliably). Also,
> the number of false-positive build warnings is so high that it is useless
> for finding actual bugs from the warnings.

If you start with that activity now, there's indeed a massive amount of
warnings to look into.
However, I've been build testing various configs with m68k-linux-gnu-gcc-4.1.2
and looking at the compiler warnings for years, so I only have to look
at new warnings.

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds