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bug#58318: 28.2; Emacs installed from package won't work with MinGW
From: |
Eli Zaretskii |
Subject: |
bug#58318: 28.2; Emacs installed from package won't work with MinGW |
Date: |
Fri, 07 Oct 2022 15:54:25 +0300 |
> From: Andrea Corallo <akrl@sdf.org>
> Cc: Lars Ingebrigtsen <larsi@gnus.org>, corwin@bru.st,
> bartosz.bubak@gmail.com,
> 58318@debbugs.gnu.org
> Date: Fri, 07 Oct 2022 12:35:52 +0000
>
> >> > Maybe there's a misunderstanding of what you meant by "if a compiler
> >> > isn't present". By "the compiler" do you mean libgccjit, or is it GCC
> >> > and Binutils (or maybe all 3 together)? IOW, are you talking about
> >> > the ability to load existing *.eln files, or are you talking about the
> >> > ability to both load existing *.eln files and produce new ones?
> >>
> >> I'm talking about trampolines, nothing else.
> >
> > Trampoline generation requires all the 3 components to be present,
> > AFAIK. Andrea, am I right?
>
> AFAIU only libgccjit and Binutils are necessary, but libgccjit *is* GCC
> (in the sense another frontend fo the GNU Compiler Collection). I
> *think* gcc the binary (read the C frontend) should not be required.
> But I don't know how distros package libgccjit and gcc, there might be
> some dendency I'm not aware of.
I didn't mean gcc, I meant cc1. But maybe libgccjit can play its
role, I don't know.
> > If it indeed doesn't work (and I wasn't aware it didn't work), we
> > should try fixing it, if that is feasible.
>
> Yes because `yes-or-no-p' is a primitive, so with no trampolines its
> redefinition is not functional.
>
> A quick ad-hoc fix for `yes-or-no-p' is attached. It does not have a
> perf impact as `yes-or-no-p' will have to wait for the user input
> anyway, if okay I can push it.
What about other primitives? fset can be used for more than just this
one.
> Oherwise another strategy would be to disable direct calls from lisp
> native code into primitives on Windows, this indeed has a performance
> impact.
How is this relevant only to Windows?
And what do you mean by "disable direct calls from Lisp native code
into primitives"? I don't think I understand what this would do in
practice.
- bug#58318: 28.2; Emacs installed from package won't work with MinGW, (continued)
- bug#58318: 28.2; Emacs installed from package won't work with MinGW, Corwin Brust, 2022/10/06
- bug#58318: 28.2; Emacs installed from package won't work with MinGW, Lars Ingebrigtsen, 2022/10/06
- bug#58318: 28.2; Emacs installed from package won't work with MinGW, Eli Zaretskii, 2022/10/06
- bug#58318: 28.2; Emacs installed from package won't work with MinGW, Lars Ingebrigtsen, 2022/10/07
- bug#58318: 28.2; Emacs installed from package won't work with MinGW, Eli Zaretskii, 2022/10/07
- bug#58318: 28.2; Emacs installed from package won't work with MinGW, Lars Ingebrigtsen, 2022/10/07
- bug#58318: 28.2; Emacs installed from package won't work with MinGW, Eli Zaretskii, 2022/10/07
- bug#58318: 28.2; Emacs installed from package won't work with MinGW, Lars Ingebrigtsen, 2022/10/07
- bug#58318: 28.2; Emacs installed from package won't work with MinGW, Andrea Corallo, 2022/10/07
- bug#58318: 28.2; Emacs installed from package won't work with MinGW, Lars Ingebrigtsen, 2022/10/07
- bug#58318: 28.2; Emacs installed from package won't work with MinGW,
Eli Zaretskii <=
- bug#58318: 28.2; Emacs installed from package won't work with MinGW, Lars Ingebrigtsen, 2022/10/07
- bug#58318: 28.2; Emacs installed from package won't work with MinGW, Eli Zaretskii, 2022/10/07
- bug#58318: 28.2; Emacs installed from package won't work with MinGW, Lars Ingebrigtsen, 2022/10/07
- bug#58318: 28.2; Emacs installed from package won't work with MinGW, Andrea Corallo, 2022/10/07
- bug#58318: 28.2; Emacs installed from package won't work with MinGW, Eli Zaretskii, 2022/10/07
- bug#58318: 28.2; Emacs installed from package won't work with MinGW, Andrea Corallo, 2022/10/07
- bug#58318: 28.2; Emacs installed from package won't work with MinGW, Eli Zaretskii, 2022/10/07
- bug#58318: 28.2; Emacs installed from package won't work with MinGW, Andrea Corallo, 2022/10/07
- bug#58318: 28.2; Emacs installed from package won't work with MinGW, Eli Zaretskii, 2022/10/07
- bug#58318: 28.2; Emacs installed from package won't work with MinGW, Corwin Brust, 2022/10/07