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From: Stefan Monnier via "Bug reports for GNU Emacs, the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
To: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Cc: 44531@debbugs.gnu.org, Daniel Colascione <dancol@dancol.org>
Subject: bug#44531: 27.1; Emacs 27 fails to build from source on m68k (regression)
Date: Sat, 02 Jul 2022 15:28:33 -0400	[thread overview]
Message-ID: <jwvedz3pbb1.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <wl4sg9ir72d.fsf@physik.fu-berlin.de> (John Paul Adrian Glaubitz's message of "Mon, 09 Nov 2020 14:30:34 +0100")

> dumping fingerprint: 7b5c59c589dc151eb1e4269bd83fbe809616b5cb9bb5c80014d5b560b391dfb6
> dump relocation out of range

This error message basically says that the relation is not a multiple of
the minimum expected alignment.  So it seems to be a direct consequence
of the 16bit alignment used on m68k combined with the following from
pdumper.el:

   [...]
   DUMP_RELOC_ALIGNMENT_BITS = 2,

   /* Minimum alignment required by dump file format.  */
   DUMP_RELOCATION_ALIGNMENT = 1 << DUMP_RELOC_ALIGNMENT_BITS,
   [...]

I can't see anything in the code which explains what this alignment
requirement is about.  You can try lowering DUMP_RELOC_ALIGNMENT_BITS
to 1 and see if that works (long shot).
Daniel?


        Stefan






  parent reply	other threads:[~2022-07-02 19:28 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-09 13:30 bug#44531: 27.1; Emacs 27 fails to build from source on m68k (regression) John Paul Adrian Glaubitz
     [not found] ` <handler.44531.B.160492867316655.ack@debbugs.gnu.org>
2020-11-09 19:34   ` bug#44531: Acknowledgement (27.1; Emacs 27 fails to build from source on m68k (regression)) John Paul Adrian Glaubitz
2020-11-21  7:47 ` bug#44531: 27.1; Emacs 27 fails to build from source on m68k (regression) Eli Zaretskii
2020-11-21  8:07   ` Daniel Colascione
2020-11-23 12:35     ` John Paul Adrian Glaubitz
2021-09-08  9:48       ` Lars Ingebrigtsen
2021-09-08 11:28         ` John Paul Adrian Glaubitz
2021-10-07  9:19         ` Lars Ingebrigtsen
2021-10-07  9:20           ` Lars Ingebrigtsen
2021-10-07  9:37           ` John Paul Adrian Glaubitz
2022-07-02 19:28 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors [this message]
2022-07-23 14:42   ` Pip Cet
2022-08-16 21:38     ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-09-04  8:02   ` John Paul Adrian Glaubitz
2022-09-04 16:05     ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors

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