[systemd-devel] [RFC 25/25] add -z muldefs to linker flags

[Dan Horák]

On Fri, 19 Sep 2014 11:24:14 +0200
Emil Renner Berthing <systemd at esmil.dk> wrote:

> On 19 September 2014 08:42, Michael Biebl <mbiebl at gmail.com> wrote:
> > 2014-09-19 0:34 GMT+02:00 David Herrmann <dh.herrmann at gmail.com>:
> >>>          -Wl,-fuse-ld=gold])
> >
> > The reason to use gold  was that the compat libraries require the
> > ifunc functionality.
> >
> > This is no longer the case, so I'd suggest to not override the
> > default linker and simply use the system default one.
> 
> Hi, thanks for looking at this.
> 
> This is the error I get when compiling the latest systemd from git,
> but with that line from configure.ac removed, so it doesn't use gold
> to link:
> 
> http://sprunge.us/LWiH
> 
> I didn't look into why those functions are defined multiple times yet,
> but I thought I'd post this early.

there was a bug in binutils causing linking problems with systemd for
LTO + ifunc when using ld.bfd instead of gold, see
http://pkgs.fedoraproject.org/cgit/binutils.git/commit/?id=d7c31854e82903e663df160ad4c26c938eca4b59


		Dan