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[88.193.145.211]) by smtp.gmail.com with UTF8SMTPSA id m17sm944171lfg.171.2021.05.02.14.05.58 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 02 May 2021 14:05:59 -0700 (PDT) Message-ID: <9198344a-f318-55b4-62b6-22354227ff2d@gmail.com> Date: Mon, 3 May 2021 00:05:59 +0300 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:89.0) Gecko/20100101 Thunderbird/89.0 Subject: Re: [PATCH] Raise the minimum GCC version to 5.2 Content-Language: en-US To: Segher Boessenkool , Joe Perches Cc: Miguel Ojeda , Masahiro Yamada , Albert Ou , Arnd Bergmann , Linux Kbuild mailing list , Greg Kroah-Hartman , Jonathan Corbet , Linux Doc Mailing List , linux-kernel , Linus Torvalds , Palmer Dabbelt , Paul Walmsley , Catalin Marinas , Miguel Ojeda , Paul Mackerras , linux-riscv@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, Will Deacon , Linux ARM References: <20210501151538.145449-1-masahiroy@kernel.org> <3943bc020f6227c8801907317fc113aa13ad4bad.camel@perches.com> <20210502183030.GF10366@gate.crashing.org> <81a926a3bdb70debe3ae2b13655ea8d249fb9991.camel@perches.com> <20210502203253.GH10366@gate.crashing.org> From: Ali Kaasinen In-Reply-To: <20210502203253.GH10366@gate.crashing.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 02/05/2021 23.32, Segher Boessenkool wrote: > On Sun, May 02, 2021 at 01:00:28PM -0700, Joe Perches wrote: >> On Sun, 2021-05-02 at 13:30 -0500, Segher Boessenkool wrote: >>> On Sat, May 01, 2021 at 07:41:53PM -0700, Joe Perches wrote: >>>> Why not raise the minimum gcc compiler version even higher? >> On Sun, 2021-05-02 at 13:37 -0500, Segher Boessenkool wrote: >>> Everyone should always use an as new release as practical >> [] >> >>> The latest GCC 5 release is only three and a half years old. >> You argue slightly against yourself here. > I don't? > >> Yes, it's mostly a question of practicality vs latest. >> >> clang requires a _very_ recent version. >> gcc _could_ require a later version. >> Perhaps 8 might be best as that has a __diag warning control mechanism. > I have no idea what you mean? > >> gcc 8.1 is now 3 years old today. > And there will be a new GCC 8 release very soon now! > > The point is, you inconvenience users if you require a compiler version > they do not already have. Five years might be fine, but three years is > not. > > > Segher Users & especially devs should upgrade then. 3 years of not updating your compiler - if you regularly build the kernel - seems nonsensical. Ali