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Wed, 13 Mar 2024 01:50:29 +0000 (UTC) Received: from [IPV6:2605:a601:a57c:ee00::4000] (unknown [IPv6:2605:a601:a57c:ee00::4000]) by iris.zentaur.org (Postfix) with ESMTPSA id 4TvYPK4M8Kz3wZt for ; Wed, 13 Mar 2024 01:50:29 +0000 (UTC) Content-Type: multipart/alternative; boundary="------------wNsFnolCqoy6tUDLSW8Y9Z1U" Message-ID: Date: Tue, 12 Mar 2024 20:50:29 -0500 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: ANSI C standard of zsh Content-Language: en-US To: zsh-workers@zsh.org References: <4da53188-feb2-42d2-9294-899715991be1@zentaur.org> From: Clinton Bunch In-Reply-To: <4da53188-feb2-42d2-9294-899715991be1@zentaur.org> X-Seq: 52743 Archived-At: X-Loop: zsh-workers@zsh.org Errors-To: zsh-workers-owner@zsh.org Precedence: list Precedence: bulk Sender: zsh-workers-request@zsh.org X-no-archive: yes List-Id: List-Help: , List-Subscribe: , List-Unsubscribe: , List-Post: List-Owner: List-Archive: This is a multi-part message in MIME format. --------------wNsFnolCqoy6tUDLSW8Y9Z1U Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable c89 will not build 5.9 on Solaris On FreeBSD configure with CC=3Dc89 fails =C2=A0CC=3D'cc -std=3Dc89' is overridden by configure with -std=3Dgnu11 On 3/12/2024 16:44, Clinton Bunch wrote: > > I was looking at the development guide and saw this: > > The primary language is ANSI C as defined by the 1989 standard, but the > code should always be compatible with late K&R era compilers ("The C > Programming Language" 1st edition, plus "void" and "enum"). There a= re > many hacks to avoid the need to actually restrict the code to K&R C = -- > check out the configure tests -- but always bear the compatibility > requirements in mind. In particular, preprocessing directives must > have the "#" unindented, and string pasting is not available. > > 5.9 does not compile with gcc's c89 on EL 8 or 9 (Rocky specifically). > I intend to test FreeBSD and Solaris as well, but haven't yet. > > I will point out the C99 standard is now a quarter century old. I=20 > propose that we update the development guide to remove the bit about=20 > the 1989=C2=A0standard (much less K&R compatibility) since it is no lon= ger=20 > true, and I personally question if it even makes sense as a goal 30+=20 > years in to development. --------------wNsFnolCqoy6tUDLSW8Y9Z1U Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
c89 will not build 5.9 on Solaris

On FreeBSD

configure with CC=3Dc89 fails
=C2=A0CC=3D'cc -std=3Dc89' is overridd= en by configure with -std=3Dgnu11

On 3/12/2024 16:44, Clinton Bunch wrote:

I was looking at the development guide and saw this:

The primary language is ANSI C as defined by the 1989 standard=
, but the
  code should always be compatible with late K&R era compilers ("The =
C
  Programming Language" 1st edition, plus "void" and "enum").  There are
  many hacks to avoid the need to actually restrict the code to K&R C=
 --
  check out the configure tests -- but always bear the compatibility
  requirements in mind.  In particular, preprocessing directives must
  have the "#" unindented, and string pasting is not available.


5.9 does not compile with gcc's c89 on EL 8 or 9 (Rocky specif=
ically).
I intend to test FreeBSD and Solaris as well, but haven't yet.

I will point out the C99 standard is now a quarter century old. I propose that we update the development guide to remove the bit about the 1989=C2=A0standard (much less K&R compatibility) sinc= e it is no longer true, and I personally question if it even makes sense as a goal 30+ years in to development.


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