linux-kernel - RE: [RFC PATCH 1/8] compiler/gcc: Emit build-time warning for GCC prior to version 4.8

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Message-ID: <25ac63eaebb44564b830c697c27f959c@AcuMS.aculab.com>
Date:   Wed, 15 Jan 2020 10:35:07 +0000
From:   David Laight <David.Laight@...LAB.COM>
To:     'Nick Desaulniers' <ndesaulniers@...gle.com>,
        "arnd@...db.de" <arnd@...db.de>
CC:     "borntraeger@...ibm.com" <borntraeger@...ibm.com>,
        "kernel-team@...roid.com" <kernel-team@...roid.com>,
        "linux-arch@...r.kernel.org" <linux-arch@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "luc.vanoostenryck@...il.com" <luc.vanoostenryck@...il.com>,
        "mpe@...erman.id.au" <mpe@...erman.id.au>,
        "peterz@...radead.org" <peterz@...radead.org>,
        "segher@...nel.crashing.org" <segher@...nel.crashing.org>,
        "torvalds@...ux-foundation.org" <torvalds@...ux-foundation.org>,
        "will@...nel.org" <will@...nel.org>,
        "masahiroy@...nel.org" <masahiroy@...nel.org>
Subject: RE: [RFC PATCH 1/8] compiler/gcc: Emit build-time warning for GCC
 prior to version 4.8

From: Nick Desaulniers
> Sent: 14 January 2020 21:39
...
> Yeah, hard requirement sounds good to me. Arnd, do you have stats on which
> distros have which versions of GCC (IIRC, you had some stats for the GCC 4.6
> upgrade)? This allows us to clean up more cruft in the kernel (grep for
> GCC_VERSION).

FWIW My Ubuntu 13.04 system has gcc 4.7.3.
(Actually, looking in /usr/bin there is a copy of 4.8.1 from the original install.)

	David

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