bug#44531: 27.1; Emacs 27 fails to build from source on m68k (regression)

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bug#44531: 27.1; Emacs 27 fails to build from source on m68k (regression)

Daniel Colascione-5


On November 20, 2020 11:48:09 PM Eli Zaretskii <[hidden email]> wrote:

>> From: John Paul Adrian Glaubitz <[hidden email]>
>> Date: Mon, 09 Nov 2020 14:30:34 +0100
>>
>> Hello!
>>
>> Starting with version 27, Emacs has started failing to build from source
>> on m68k (Linux) with the following error message:


m68k is big endian, isn't it? Try building with enable-checking to see
whether we can see where the bit rearrangement problem might be.

>>
>> /bin/mkdir -p ../etc
>> /usr/bin/make -C ../lisp update-subdirs
>> make[4]: Entering directory '/<<BUILDDIR>>/emacs-27.1+1/debian/build-gtk/lisp'
>> make[4]: Leaving directory '/<<BUILDDIR>>/emacs-27.1+1/debian/build-gtk/lisp'
>> cp -f temacs bootstrap-emacs
>> rm -f bootstrap-emacs.pdmp
>> ./temacs --batch  -l loadup --temacs=pbootstrap
>> Loading loadup.el (source)...
>> dump mode: pbootstrap
>> Using load-path (/<<BUILDDIR>>/emacs-27.1+1/debian/build-src/lisp
>> /<<BUILDDIR>>/emacs-27.1+1/debian/build-src/lisp/emacs-lisp
>> /<<BUILDDIR>>/emacs-27.1+1/debian/build-src/lisp/progmodes
>> /<<BUILDDIR>>/emacs-27.1+1/debian/build-src/lisp/language
>> /<<BUILDDIR>>/emacs-27.1+1/debian/build-src/lisp/international
>> /<<BUILDDIR>>/emacs-27.1+1/debian/build-src/lisp/textmodes
>> /<<BUILDDIR>>/emacs-27.1+1/debian/build-src/lisp/vc)
>> Loading emacs-lisp/byte-run (source)...
>> Loading emacs-lisp/backquote (source)...
>> Loading subr (source)...
>> Loading version (source)...
>> (...)
>> Loading /<<BUILDDIR>>/emacs-27.1+1/debian/build-src/lisp/vc/vc-hooks.el
>> (source)...
>> Loading /<<BUILDDIR>>/emacs-27.1+1/debian/build-src/lisp/vc/ediff-hook.el
>> (source)...
>> Loading /<<BUILDDIR>>/emacs-27.1+1/debian/build-src/lisp/uniquify.el
>> (source)...
>> Loading /<<BUILDDIR>>/emacs-27.1+1/debian/build-src/lisp/electric.el
>> (source)...
>> Loading
>> /<<BUILDDIR>>/emacs-27.1+1/debian/build-src/lisp/emacs-lisp/eldoc.el
>> (source)...
>> Loading /<<BUILDDIR>>/emacs-27.1+1/debian/build-src/lisp/cus-start.el
>> (source)...
>> Loading /<<BUILDDIR>>/emacs-27.1+1/debian/build-src/lisp/tooltip.el (source)...
>> Finding pointers to doc strings...
>> Finding pointers to doc strings...done
>> Dumping under the name bootstrap-emacs.pdmp
>> dumping fingerprint:
>> 7b5c59c589dc151eb1e4269bd83fbe809616b5cb9bb5c80014d5b560b391dfb6
>> dump relocation out of range
>>
>> Full build log available in [1].
>>
>> I have not been able to figure out what "dump relocation out of range"
>> actually means, so any explanation is much appreciated.
>
> Daniel, any advice for how to go about this problem?






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bug#44531: 27.1; Emacs 27 fails to build from source on m68k (regression)

John Paul Adrian Glaubitz
(CC'ing Andreas)

On 11/21/20 9:07 AM, Daniel Colascione wrote:
>>> Starting with version 27, Emacs has started failing to build from source
>>> on m68k (Linux) with the following error message:
>
>
> m68k is big endian, isn't it? Try building with enable-checking to see whether we can see where the bit rearrangement problem might be.

Thanks, I'll give it a try. My suspicion would be that it's an alignment problem
since the native alignment for m68k on Linux/sysv is 16 bits, not 32 bits.

Adrian

--
 .''`.  John Paul Adrian Glaubitz
: :' :  Debian Developer - [hidden email]
`. `'   Freie Universitaet Berlin - [hidden email]
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