[issue43179] Remove 31/32-bit s390 Linux support (s390-linux-gnu triplet)

Florian Weimer added the comment: The report/justification for the removal is simply incorrect. Linux still supports s390-*-linux-gnu in user mode. The GNU toolchain is maintained, and the glibc testsuite is in good shape. Some distributions still support s390 (31-bit) applications. Others (

[issue43179] Remove 31/32-bit s390 Linux support (s390-linux-gnu triplet)

Łukasz Langa added the comment: New changeset dec075754960dd85972ce5170df76e862f966132 by Jessica Clarke in branch 'master': bpo-43179: Generalise alignment for optimised string routines (GH-24624) https://github.com/python/cpython/commit/dec075754960dd85972ce5170df76e862f966132 --

[issue43179] Remove 31/32-bit s390 Linux support (s390-linux-gnu triplet)

Change by Jessica Clarke : -- nosy: +jrtc27 nosy_count: 7.0 -> 8.0 pull_requests: +23855 pull_request: https://github.com/python/cpython/pull/24624 ___ Python tracker ___ _

[issue43179] Remove 31/32-bit s390 Linux support (s390-linux-gnu triplet)

John Paul Adrian Glaubitz added the comment: I think there is one productive result of this discussion which is this patch by Jessica Clark which gets rid of architecture-specific alignment code: > https://github.com/python/cpython/pull/24624 Unfortunately, it has not seen any positive revie

[issue43179] Remove 31/32-bit s390 Linux support (s390-linux-gnu triplet)

Change by STINNER Victor : -- nosy: -vstinner ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.p

[issue43179] Remove 31/32-bit s390 Linux support (s390-linux-gnu triplet)

STINNER Victor added the comment: https://bugs.python.org/issue43179 and https://mail.python.org/archives/list/python-...@python.org/thread/F5BXISYP7RAINXUMYJSEYG7GCFRFAENF/ discussions didn't reach kind of consensus. I'm tired of these discussions, so I just closed my PR 24534. If someone w

[issue43179] Remove 31/32-bit s390 Linux support (s390-linux-gnu triplet)

Christian Heimes added the comment: My offer still stands: If you can fulfill the requirements of PEP 11 for s390, then I'm fine with keeping the code for s390 around. Victor has a different opinion, so you have to contact the Steering Council and get their approval, too. Our ticket system

[issue43179] Remove 31/32-bit s390 Linux support (s390-linux-gnu triplet)

David Edelsohn added the comment: Christian, The Python Community Code of Conduct also states: Being respectful of differing viewpoints and experiences. Showing empathy towards other community members. Various developers are passionate about this topic and the entire series of comments has

[issue43179] Remove 31/32-bit s390 Linux support (s390-linux-gnu triplet)

Change by STINNER Victor : -- nosy: -vstinner ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.p

[issue43179] Remove 31/32-bit s390 Linux support (s390-linux-gnu triplet)

Christian Heimes added the comment: For the last time: This ticket is solely about s390 platform. Please stop derailing this ticket with comments about unrelated platforms like m68k. I'm considering your diversion as "sustained disruption of online community discussions", https://www.python.

[issue43179] Remove 31/32-bit s390 Linux support (s390-linux-gnu triplet)

John Paul Adrian Glaubitz added the comment: Oh, and LLVM is currently gaining support M68k which you consider "legacy": > https://reviews.llvm.org/D95315 It might be a good idea to do some research first before making such statements. -- ___ Pyth

[issue43179] Remove 31/32-bit s390 Linux support (s390-linux-gnu triplet)

John Paul Adrian Glaubitz added the comment: > "Move support of legacy platforms/architectures outside Python" > https://mail.python.org/archives/list/python-...@python.org/thread/F5BXISYP7RAINXUMYJSEYG7GCFRFAENF/ Motorola 68k isn't a 16-bit architecture, it's a 32-bit architecture. Also, I a

[issue43179] Remove 31/32-bit s390 Linux support (s390-linux-gnu triplet)

STINNER Victor added the comment: I created a thread on python-dev: "Move support of legacy platforms/architectures outside Python" https://mail.python.org/archives/list/python-...@python.org/thread/F5BXISYP7RAINXUMYJSEYG7GCFRFAENF/ -- ___ Python t

[issue43179] Remove 31/32-bit s390 Linux support (s390-linux-gnu triplet)

John Paul Adrian Glaubitz added the comment: > But I don't see the benefit of annoying and discouraging users who want to > experiment with Python and with Linux on Z in 31 bit mode. Fully agree. > Yes, maintenance theoretically is a burden, but there have been no recent > issues that were

[issue43179] Remove 31/32-bit s390 Linux support (s390-linux-gnu triplet)

Matej Cepl added the comment: > Do you actually know someone who is actively interested in the usecase of > building a 32 bit python on an s390x system? Or do you know someone who owns > an s390 system? Well, yes, I have just got it confirmed from our PM, SUSE has living and breathing (and w

[issue43179] Remove 31/32-bit s390 Linux support (s390-linux-gnu triplet)

David Edelsohn added the comment: Victor: https://en.wikipedia.org/wiki/31-bit_computing :-) -- ___ Python tracker ___ ___ Python-b

[issue43179] Remove 31/32-bit s390 Linux support (s390-linux-gnu triplet)

David Edelsohn added the comment: I am not aware of significant use of 31 bit mode. But I don't see the benefit of annoying and discouraging users who want to experiment with Python and with Linux on Z in 31 bit mode. Yes, maintenance theoretically is a burden, but there have been no recent

[issue43179] Remove 31/32-bit s390 Linux support (s390-linux-gnu triplet)

STINNER Victor added the comment: I'm not sure why people insists to say that it's 31 bit CPU, gcc-s390.txt shows that it uses a classic 32-bit ABI (32-bit long/size_t): #define __SIZE_MAX__ 0xUL #define __LONG_WIDTH__ 32 31-bit is a limit of the address space (memory), not the ALU.

[issue43179] Remove 31/32-bit s390 Linux support (s390-linux-gnu triplet)

David Edelsohn added the comment: gcc -dM -E - < /dev/null -- Added file: https://bugs.python.org/file49818/gcc-s390x.txt ___ Python tracker ___ __

[issue43179] Remove 31/32-bit s390 Linux support (s390-linux-gnu triplet)

David Edelsohn added the comment: gcc -m31 -dM -E - < /dev/null -- Added file: https://bugs.python.org/file49817/gcc-s390.txt ___ Python tracker ___ __

[issue43179] Remove 31/32-bit s390 Linux support (s390-linux-gnu triplet)

Charalampos Stratakis added the comment: > You do not need to support every platform. Just allow your users to use them. This is kinda missing the point though. For example I've dealt a lot with the CPython codebase (and I'm also one of the Red Hat maintainers for RHEL and Fedora) and althou

[issue43179] Remove 31/32-bit s390 Linux support (s390-linux-gnu triplet)

John Paul Adrian Glaubitz added the comment: > To get a platform supported by Python, we also need a volunteer to fix issues > specific to the 31 bit s390 platform: see PEP 11. You do not need to support every platform. Just allow your users to use them. If something breaks downstream on a c

[issue43179] Remove 31/32-bit s390 Linux support (s390-linux-gnu triplet)

Christian Heimes added the comment: David, could you please provide the output of "gcc -dM -E - < /dev/null" on s390x in 31 bit mode? I'm curious and would like to see the platform constants. -- ___ Python tracker

[issue43179] Remove 31/32-bit s390 Linux support (s390-linux-gnu triplet)

STINNER Victor added the comment: > I understand the issue is s390, not s390x. I am offering that there already > is an s390x worker, so would it be sufficient to build and test Python in 31 > bit mode on that worker as opposed to installing a complete s390 Debian > system? To get a platfo

[issue43179] Remove 31/32-bit s390 Linux support (s390-linux-gnu triplet)

David Edelsohn added the comment: I understand the issue is s390, not s390x. I am offering that there already is an s390x worker, so would it be sufficient to build and test Python in 31 bit mode on that worker as opposed to installing a complete s390 Debian system? --

[issue43179] Remove 31/32-bit s390 Linux support (s390-linux-gnu triplet)

Christian Heimes added the comment: David, this bug is about s390, not s390x. The s390x platform is supported and tested. -- ___ Python tracker ___ __

[issue43179] Remove 31/32-bit s390 Linux support (s390-linux-gnu triplet)

David Edelsohn added the comment: I already am running a Debian s390x buildbot for Python. Someone can adjust the rules for the buildbot to include a 31-bit builder. The Debian buildbot has relatively few builder variants relative to the other s390x targets. -- ___

[issue43179] Remove 31/32-bit s390 Linux support (s390-linux-gnu triplet)

Christian Heimes added the comment: > That's not really the question. The question is whether an upstream project > should prevent downstreams from using unsupported target configurations and I > think the answer to that question is no. We are not (actively) prevent unsupported target. We ar

[issue43179] Remove 31/32-bit s390 Linux support (s390-linux-gnu triplet)

John Paul Adrian Glaubitz added the comment: > What is the use case or benefit of building Python for 32-bit rather than > 64-bit? That's not really the question. The question is whether an upstream project should prevent downstreams from using unsupported target configurations and I think

[issue43179] Remove 31/32-bit s390 Linux support (s390-linux-gnu triplet)

STINNER Victor added the comment: > builds a 31/32 bit Python 3.10 on an s390x system. What is the use case or benefit of building Python for 32-bit rather than 64-bit? -- ___ Python tracker __

[issue43179] Remove 31/32-bit s390 Linux support (s390-linux-gnu triplet)

John Paul Adrian Glaubitz added the comment: > Are you sure about that? It seems SLE-12 support s390x not s390. Maybe it's > multilib support in a similar manner that I've mentioned about RHEL7? I work at SUSE. I looked at the internal build system. Debian also still build s390 multilib libr

[issue43179] Remove 31/32-bit s390 Linux support (s390-linux-gnu triplet)

Change by STINNER Victor : -- title: Remove 32-bit s390 Linux support (s390-linux-gnu triplet) -> Remove 31/32-bit s390 Linux support (s390-linux-gnu triplet) ___ Python tracker _