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bug#24682: Emacs 25 from GIT build issue under Ubuntu 16.10


From: Cesar Quiroz
Subject: bug#24682: Emacs 25 from GIT build issue under Ubuntu 16.10
Date: Sun, 16 Oct 2016 22:03:58 -0700

I applied the patch to my local copy of emacs-25, and it built fine.  Will test the official port when available.

Going back to the master branch build, the log shows a warning, unrelated to the -no-pie issue:

  CC       gmalloc.o
/work/emacs/master/src/gmalloc.c:1760:1: warning: no previous prototype for ‘hybrid_aligned_alloc’ [-Wmissing-prototypes]
 hybrid_aligned_alloc (size_t alignment, size_t size)
 ^~~~~~~~~~~~~~~~~~~~

This is not happening in the emacs-25 branch. Maybe the conditional compilation is hiding a prototype in master but not in emacs-25. I will take another look, and report it tomorrow if I can confirm the difference.


--César

On Sun, Oct 16, 2016 at 8:04 PM, Cesar Quiroz <address@hidden> wrote:


--César

On Sun, Oct 16, 2016 at 4:56 PM, Paul Eggert <address@hidden> wrote:
Cesar Quiroz wrote:
There was something in the release notes about -no-pie being the standard
negation of -pie, while -nopie was introduced (by Debian?) to deal with the
issue.

Which release notes?

I meant 16.10:  https://wiki.ubuntu.com/YakketyYak/ReleaseNotes, and from there specifically:



I installed the attached into the Emacs master branch; does it fix the problem? If so, I'll backport it to emacs-25 and ask you to test that.

Works for master; ready to test emacs-25.

For reference, I did a 'git clean -fdx' in the git workdir, autogen, and then I configured the build area with

$ ./config.status --config
'--with-x-toolkit=gtk3' '--with-file-notification=yes' '--with-modules'
 



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