[cfarm-users] EBCDIC

[David Edelsohn]

The open mainframe project provides access to z/os for open source
projects.

https://tac.openmainframeproject.org/programs/infrastructure.html

On Wed, Sep 2, 2026, 13:40 Thorsten Glaser via cfarm-users <
cfarm-users at lists.tetaneutral.net> wrote:

> On Fri, 28 Aug 2026, Bruno Haible via cfarm-users wrote:
>
> > cfarm191 has a GCC that can also compile 32-bit binaries ("gcc -m31");
> > that's the older "s390" architecture. Nice!
>
> Ah, good, with the demise of Debian/s390 I have been unable to test
> things for that. Obscure architectures have often interesting corner
> cases that expose unportable assumptions easier.
>
> >Peter Gutmann wrote:
> >> It's been awhile since I've been able to test the EBCDIC handling in my
> code.
> >
> >Unless the "IBM i" operating system is among your portability targets,
> >you can ditch this EBCDIC handling. The reason:
>
> Perhaps, but I’ve got requests for mksh for EBCDIC z/OS, and maybe
> if access to such (with the usual ftp and telnet doing codeset
> conversion in text mode) could be obtained, we could resume working
> on that, it is very difficult to do if I cannot debug it directly.
>
> Linux/s390{,x} being an ASCII environment is, of course, only proper.
>
> bye,
> //mirabilos
> --
> https://toot.mirbsd.org/@mirabilos/statuses/01KNQD9RNZM1Z2A61AZHG857MP
> ↑ long list of references on why “AI”/LLMs are bad for everyone
> also: ↓ from https://toot.cat/@dthompson/117180306961006760
> > "responsible LLM usage" is the "clean coal" of the tech world
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