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From: Sam James <sam@gentoo.org>
To: Jakub Jelinek <jakub@redhat.com>
Cc: Richard Biener <richard.guenther@gmail.com>,
	Florian Weimer <fweimer@redhat.com>,
	gcc@gcc.gnu.org, c-std-porting@lists.linux.dev
Subject: Re: More C type errors by default for GCC 14
Date: Tue, 09 May 2023 17:11:21 +0100	[thread overview]
Message-ID: <87y1lxjxgo.fsf@gentoo.org> (raw)
In-Reply-To: <ZFpvSZPGI+YtTKJw@tucnak>

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Jakub Jelinek <jakub@redhat.com> writes:

> On Tue, May 09, 2023 at 05:16:19PM +0200, Richard Biener via Gcc wrote:
>> 
>> 
>> > Am 09.05.2023 um 14:16 schrieb Florian Weimer via Gcc <gcc@gcc.gnu.org>:
>> > 
>> > TL;DR: This message is about turning implicit-int,
>> > implicit-function-declaration, and possibly int-conversion into errors
>> > for GCC 14.
>> 
>> I suppose the goal is to not need to rely on altering CFLAGS but change the default behavior with still being able to undo this using -Wno-error= or -Wno-?
>
> Can't people just compile C89/K&R code with -std=c89/-std=gnu89 and not get
> these errors that way?

This is what we've been doing for hopeless projects and it's probably my
preference, but I'm fine with Florian's -fpermissive suggestion too.

(The point about inline semantics is important but you can handle that
with other flags anyway.)

best,
sam


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  reply	other threads:[~2023-05-09 16:12 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-05-09 12:15 More C type errors by default for GCC 14 Florian Weimer
     [not found] ` <CAGWvnykoEtT0BQtuN70DN6tWohtf=Mm7SW55psZvVmj3OvKUEg@mail.gmail.com>
2023-05-09 15:07   ` Sam James
2023-05-09 15:14   ` Jonathan Wakely
     [not found]     ` <20230509102201.6aa2a7d14fdb2f1e7abff449@killthe.net>
     [not found]       ` <87r0rp5uf8.fsf@aarsen.me>
     [not found]         ` <83ttwla1ep.fsf@gnu.org>
     [not found]           ` <CAH6eHdS-7USHzX3rPJaR66sEdjG+-nHp7mDb0gD7ceBnp+Fmpg@mail.gmail.com>
     [not found]             ` <83lehx9vix.fsf@gnu.org>
     [not found]               ` <ZFqZ25xKm4w4IkqF@tucnak>
     [not found]                 ` <83fs859unu.fsf@gnu.org>
     [not found]                   ` <CAGWvny=xi++Ghyo2Ez5MJdYy5h3yH16gVpviKC99Ufu_bUmdYQ@mail.gmail.com>
     [not found]                     ` <CAH6eHdRAVwBcCmBgiuPyQNWGx3x33diAgQU8UG3s_NrJxK3ucQ@mail.gmail.com>
     [not found]                       ` <CAGWvnyk_MkQOrNNh1C=ubPj8qzg5x-p8CBfgWNqqtDVJ1mbhMg@mail.gmail.com>
     [not found]                         ` <CAF9ehCWsq-N9+U1+mTQahKT7cXEqLTptLb=b3Yq58gsWFEnxgA@mail.gmail.com>
     [not found]                           ` <CAH6eHdS_sQ37VTpJHL7cqtgSdCSL3i4=tqMoY65wep9G56cf5g@mail.gmail.com>
     [not found]                             ` <CAMfHzOsR=gY6QTss2R029Q-uMOTpC-RDV09bEF2FO7x5jpy5gg@mail.gmail.com>
2023-05-10 10:45                               ` Sam James
2023-05-10 10:56                                 ` Neal Gompa
2023-05-10 12:06                                   ` Eli Zaretskii
2023-05-10 12:10                                     ` Neal Gompa
2023-05-10 12:41                                       ` Eli Zaretskii
2023-05-09 18:22   ` Florian Weimer
2023-05-11 21:32     ` Segher Boessenkool
2023-05-09 15:16 ` Richard Biener
2023-05-09 16:05   ` Jakub Jelinek
2023-05-09 16:11     ` Sam James [this message]
2023-05-09 16:59   ` Florian Weimer
2023-05-09 17:07     ` Sam James
2023-05-09 17:35       ` Florian Weimer
2023-05-12  9:33 ` Martin Jambor
2023-05-12 12:30   ` Jakub Jelinek
2023-05-15 12:46     ` Michael Matz
2023-05-15 13:14     ` Richard Earnshaw (lists)
     [not found] <CAGWvnynMpa83AduLhRhf1PxkVujngDmmwE7Z4vk1z6+UqqAuKA@mail.gmail.com>
     [not found] ` <BBE9950C-28AA-4A1C-A4C5-7F486538004E@gmail.com>
2023-05-09 16:44   ` Florian Weimer
2023-05-09 16:58     ` Ian Lance Taylor
2023-05-09 17:08     ` Jason Merrill
2023-05-09 17:16       ` Sam James

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