bug#51689: closed (emacs -nw under native-compilation errors out)

[GNU bug Tracking System]

Your message dated Sun, 21 Nov 2021 08:31:29 +0200
with message-id <83fsrqrpdq.fsf@gnu.org>
and subject line Re: bug#51689: emacs
has caused the debbugs.gnu.org bug report #51689,
regarding emacs -nw under native-compilation errors out
to be marked as done.

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-- 
51689: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=51689
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> --- Begin Message ---
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> Subject: 
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> emacs
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> Date: 
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> Mon, 8 Nov 2021 17:44:54 +0100
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> I compiled emacs with native compilation on OpenBSD-7.0 amd64 like this:
>
>     export CC=egcc \
>            CPP="ecpp" \
>            CPPFLAGS="-I/usr/local/include" \
>            LDFLAGS="-L/usr/local/lib"
>     ./autogen.sh
>     ./configure --without-makeinfo --without-x --mandir=/usr/local/man 
> --with-native-compilation
>     gmake
>
> egcc (GCC) 11.2.0, is just gcc-11 which is traditionally installed as
> egcc to avoid conflicts with the usually somewhat older gcc in base.
>
>
> Now if I start emacs with:
>
>     emacs -nw -Q ~/.config/emacs/init.el
>
> The file init.el is not loaded and I get a single error message:
>
>     Symbol’s function definition is void: regexp-opt-group
>
> After which emacs works OK, for example c-x c-f ~/.config/emacs/init.el works 
> as expected.
>
> Then I recompiled emacs without native compilation and the error did not occur.
>
> And now to make the case even more mysterious, if I start emacs normally, like:
>
>     emacs -nw ~/.config/emacs/init.el
>
> Everything works fine. I accidentally discovered the problem by
> running emacs as a test user without configuration.
>
>
> Please let me know if there is anything I can do to help debugging this problem.
>
>
> # Han
>
>
>
> --- End Message ---
> --- Begin Message ---
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>
>
> Subject: 
>
> Re: bug#51689: emacs
>
>
>
>
> Date: 
>
> Sun, 21 Nov 2021 08:31:29 +0200
>
>
>
>
> > Date: Sat, 20 Nov 2021 22:05:55 +0100
> > From: Han Boetes <han@boetes.org>
> > 
> > > > > When the breakpoint breaks, look at the error_symbol and data printed
> > > > > by GDB; if the symbol are not "void-function", type "continue" at
> > > > > GDB's prompt to run Emacs further.  When you eventually get symbol as
> > > > > "void-function" and data that mentions regexp-opt-group, type:
> > > > > 
> > > > >   (gdb) thread apply all bt
> > > 
> > > In the above you have void-variable as error_symbol and the data does
> > > not mention regexp-opt-group.  So you need to type "continue" until
> > > you hit this breakpoint with the correct conditions, and then produce
> > > the backtrace.
> > 
> > And when I finally understood all the details of how to create the
> > backtrace and building emacs with symbols again, which takes over 6
> > hours, I noticed gdb ran out of memory and that I could no longer
> > reproduce the problem with the latest code from git.
>
> Thanks, I'm therefore closing this bug.
>
>
> --- End Message ---