bug#73415: 30.0.91; Emacs 30 build fails on Ubuntu 24.04

[Andrea Corallo <acorallo@gnu.org>]

Eli Zaretskii <eliz@gnu.org> writes:

>> From: Mark Grosen <mark@grosen.org>
>> Date: Tue, 24 Sep 2024 15:53:23 -0700
>> Cc: Andrea Corallo <acorallo@gnu.org>, 73415@debbugs.gnu.org
>> 
>> > Thanks, but 400KB of pure space is too much to just increase the size
>> > without understanding why this is needed.  Did you really need 400KB,
>> > or would a smaller number do?  If the latter, what is the smallest
>> > addition that avoids the overflow in your case?
>> 
>> 290000 is the smallest that works, with or without --with-pgtk
>> 
>> >  . what was the absolute file name of the top-level directory where
>> >    you unpacked the pretest tarball (assuming that this happens with
>> >    building the pretest, not a Git checkout)?
>> 
>> This is built from git checkout of emacs-30 or emacs-30.0.91 in
>> /home/mark/Stuff/emacs
>> 
>> I did some more experiments and found that my original build commands
>> fail but the first suggested one
>> in INSTALL.repo works.
>> 
>> > . what were the commands you used to build?
>> 
>> Fails:
>> git clean -fdx
>> make bootstrap -j12
>> ./configure --with-webp
>> make -j12
>> 
>> Works:
>> git clean -fdx
>> make -j12 configure="--with-webp"
>> 
>> However, the first way does work if there are no 'configure' options.
>> Any option to configure causes a failure.
>
> Thanks, in that case I think this is a known issue, and we decided not
> to fix it on the emacs-30 release branch because building the pretest
> tarball (which doesn't require to go via bootstrap) works with the
> original pure-size.
>
> Andrea, what did we decide regarding the long-term solution for this?
> Did we mean to somehow solve the issue with dynamic doc strings?

AFAIR we dedided that for master we®'ll extend the code to support
native compiled functions with lazy docs and we'll emit them even while
native compiling.

  Andrea