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Re: Can't build previous versions of Emacs?
From: |
Eric Abrahamsen |
Subject: |
Re: Can't build previous versions of Emacs? |
Date: |
Thu, 14 Jul 2022 09:13:26 -0700 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) |
Po Lu <luangruo@yahoo.com> writes:
> Eric Abrahamsen <eric@ericabrahamsen.net> writes:
>
>> Hi all,
>>
>> I have the Emacs 25, 26 and 27 branches checked out in git worktrees,
>> and I was going to build them to test some backwards compatibility. On a
>> clean checkout, "make" failed for all three of them with this error:
>>
>> sysdep.c:1795:22: error: variably modified ‘sigsegv_stack’ at file scope
>> 1795 | static unsigned char sigsegv_stack[SIGSTKSZ];
>> | ^~~~~~~~~~~~~
>> make[2]: *** [Makefile:377: sysdep.o] Error 1
>> make[2]: Leaving directory '/home/eric/dev/emacs-26/src'
>> make[1]: *** [Makefile:421: src] Error 2
>> make[1]: Leaving directory '/home/eric/dev/emacs-26'
>> make: *** [Makefile:1107: bootstrap] Error 2
>>
>> This is on Arch Linux, I can send the config.status file for any of the
>> branches if that would help.
>
> That's expected. glibc recently changed in that SIGSTKSZ is now a call
> to a function. Emacs wasn't modified to be compatible with that until
> 28.1.
Thanks! That's good to know.
- Can't build previous versions of Emacs?, Eric Abrahamsen, 2022/07/13
- Re: Can't build previous versions of Emacs?, Po Lu, 2022/07/13
- Re: Can't build previous versions of Emacs?,
Eric Abrahamsen <=
- Re: Can't build previous versions of Emacs?, Ulrich Mueller, 2022/07/14
- Re: Can't build previous versions of Emacs?, Lars Ingebrigtsen, 2022/07/14
- Re: Can't build previous versions of Emacs?, Stefan Monnier, 2022/07/14
- Re: Can't build previous versions of Emacs?, Lars Ingebrigtsen, 2022/07/14
- Re: Can't build previous versions of Emacs?, Stefan Monnier, 2022/07/14
- Re: Can't build previous versions of Emacs?, Lars Ingebrigtsen, 2022/07/14
- Re: Can't build previous versions of Emacs?, Andreas Schwab, 2022/07/14
- Re: Can't build previous versions of Emacs?, Stefan Kangas, 2022/07/14
- Re: Can't build previous versions of Emacs?, Lars Ingebrigtsen, 2022/07/15
- Re: Can't build previous versions of Emacs?, Stefan Kangas, 2022/07/15