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Re: Can't build previous versions of Emacs?
From: |
Po Lu |
Subject: |
Re: Can't build previous versions of Emacs? |
Date: |
Thu, 14 Jul 2022 11:33:07 +0800 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.0.91 (gnu/linux) |
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.
- Can't build previous versions of Emacs?, Eric Abrahamsen, 2022/07/13
- Re: Can't build previous versions of Emacs?,
Po Lu <=
- Re: Can't build previous versions of Emacs?, Eric Abrahamsen, 2022/07/14
- 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