Re: ANSI C standard of zsh

[Bart Schaefer <schaefer@xxxxxxxxxxxxxxxx>]

On Tue, Mar 12, 2024 at 2:44 PM Clinton Bunch <cdb_zsh@xxxxxxxxxxx> 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 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 propose that we update the development guide to remove the bit about the 1989 standard (much less K&R compatibility) since it is no longer true, and I personally question if it even makes sense as a goal 30+ years in to development.