* Build failure on ppc64el in Emacs 24.5
@ 2016-01-18 0:19 Rob Browning
2016-01-18 0:58 ` Paul Eggert
0 siblings, 1 reply; 3+ messages in thread
From: Rob Browning @ 2016-01-18 0:19 UTC (permalink / raw
To: emacs-devel
The most recent Debian package version won't build on ppc64el, failing
with
emacs: Program segment above .bss in
/«BUILDDIR»/emacs24-24.5+1/debian/build-x/src/temacs
Which I suspect may be related to (fixed by) this change in emacs-25:
commit c9fd597a4cffcae873b25381ee8cc755f0debe95
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Mon Nov 16 17:48:08 2015 -0800
ELF unexec: align section header
This ports the recent unexelf.c changes to Fedora x86-64
when configured with GCC’s -fsanitize=undefined option.
* src/unexelf.c (unexec): Align new_data2_size to a multiple
of ElfW (Shdr)’s alignment, so that NEW_SECTION_H returns a
pointer aligned appropriately for its type.
However, at least from a quick glance, it looks like that patch might
not apply very easily to emacs-24. So before I delve, I wanted to ask
about it here.
I suppose if the 25 release is fairly close, I could also consider just
spending the time there, and then (if everything works out) removing
emacs24 from sid/stretch (the next release), which would be *great*.
(Of course that assumes this issue won't affect jessie (stable).)
cf. https://debbugs.gnu.org/cgi/bugreport.cgi?bug=20614
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=808347
Thanks
--
Rob Browning
rlb @defaultvalue.org and @debian.org
GPG as of 2011-07-10 E6A9 DA3C C9FD 1FF8 C676 D2C4 C0F0 39E9 ED1B 597A
GPG as of 2002-11-03 14DD 432F AE39 534D B592 F9A0 25C8 D377 8C7E 73A4
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Build failure on ppc64el in Emacs 24.5
2016-01-18 0:19 Build failure on ppc64el in Emacs 24.5 Rob Browning
@ 2016-01-18 0:58 ` Paul Eggert
2016-01-18 6:12 ` Rob Browning
0 siblings, 1 reply; 3+ messages in thread
From: Paul Eggert @ 2016-01-18 0:58 UTC (permalink / raw
To: Rob Browning, emacs-devel
Rob Browning wrote:
> However, at least from a quick glance, it looks like that patch might
> not apply very easily to emacs-24.
Yes, you'd probably need at least the previous unexelf.c changes that its commit
messages refer to.
> I suppose if the 25 release is fairly close
That depends on what you mean by "close", but I wouldn't hold my breath.
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Build failure on ppc64el in Emacs 24.5
2016-01-18 0:58 ` Paul Eggert
@ 2016-01-18 6:12 ` Rob Browning
0 siblings, 0 replies; 3+ messages in thread
From: Rob Browning @ 2016-01-18 6:12 UTC (permalink / raw
To: Paul Eggert, emacs-devel
Paul Eggert <eggert@cs.ucla.edu> writes:
> Yes, you'd probably need at least the previous unexelf.c changes that its commit
> messages refer to.
Ahh, right. Very much appreciate the suggestion -- the entire set
applies to 24.5 without incident, and preliminary indications suggest it
fixes the problem.
Thanks
--
Rob Browning
rlb @defaultvalue.org and @debian.org
GPG as of 2011-07-10 E6A9 DA3C C9FD 1FF8 C676 D2C4 C0F0 39E9 ED1B 597A
GPG as of 2002-11-03 14DD 432F AE39 534D B592 F9A0 25C8 D377 8C7E 73A4
^ permalink raw reply [flat|nested] 3+ messages in thread
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2016-01-18 6:12 ` Rob Browning
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