Re: Bits from dpkg developers - dpkg 1.16.1
On Tue, Oct 04, 2011 at 09:29:27AM +0200, Bastien ROUCARIES wrote:
> On Mon, Oct 3, 2011 at 8:33 PM, Simon McVittie <firstname.lastname@example.org> wrote:
> > On Mon, 03 Oct 2011 at 17:11:21 +0200, Bastien ROUCARIES wrote:
> >> On Mon, Oct 3, 2011 at 3:02 PM, Florian Weimer <email@example.com> wrote:
> >> > Not necessarily. -fPIC and -fPIE force calls to global functions
> >> > defined in the same translation unit to go through the PLT. They
> >> > aren't translated to direct IP-relative calls. For -fPIC, this is
> >> > required by the ELF specification (no kidding, this might seem strange
> >> > today).
> >> Could we add a gcc flag and be non conformant ? I suppose it is only
> >> for using LD_PRELOAD.
> > -Bsymbolic, I think? GLib uses this to speed up internal calls, instead of
> > the hacks with functions-having-two-names that it used to use.
> > With either solution, if you want to LD_PRELOAD (as for GLib's refdbg tool)
> > you have to have a second copy of GLib compiled to not do that, like
> > libglib2.0-refdbg in Debian.
> Unbuntu use Bsymbolic by default and they are only a few faillure.
> Time to get this in debian too ?
It would break overriding of weak symbols, would it not?
.''`. Roger Leigh
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