Re: Bits from dpkg developers - dpkg 1.16.1
On Mon, Oct 3, 2011 at 8:33 PM, Simon McVittie <smcv@debian.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 <fw@deneb.enyo.de> 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 ?
> S
>
>
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