Re: Minimum POSIX standard

[Clinton Bunch <cdb_zsh@zentaur.org>]

On 10/23/2022 4:57 PM, Mikael Magnusson wrote:
> On 10/23/22, Clinton Bunch <cdb_zsh@zentaur.org> wrote:
>> What is the minimum POSIX standard modern Zsh code is intended to
>> conform to?
> As far as I'm aware, none.
>
Don't you think there should be?  The guidelines in the Development 
guide are somewhat vague and were apparently written more than 20 years 
ago.  (git log puts the first revision at 1999 and the updates seem to 
address git usage, typos, and module documentation)

Someone writing new code should have a baseline for what functions and 
types can be used without #ifdefs, autoconf tests and roll-your-own 
backup functions.  Something more recent than the C89 standard library 
with all it's flaws.  Are people still trying to get zsh 5.9 to run on 
SunOS 4 or AIX 3.25?

My personal opinion is that development should use at least the 
POSIX-1.2001 standard.  It's 20 years old.  That's surely old enough for 
any system still running.  (It's  certainly old enough that any such 
system is not supported by the vendor)