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Re: RFC: ld.so: Add DT_FLAGS_2 and DF_2_GNU_IFUNC [BZ #20019]
On Mon, May 28, 2018 at 9:56 AM, Carlos O'Donell <carlos@redhat.com> wrote:
> On 05/25/2018 06:01 PM, H.J. Lu wrote:
>> On Fri, May 25, 2018 at 2:52 PM, Florian Weimer <fweimer@redhat.com> wrote:
>>> On 05/25/2018 10:26 PM, H.J. Lu wrote:
>>>>
>>>> +$(objpfx)tst-relocmod1b.so: $(objpfx)tst-relocmod1b.os \
>>>> + $(objpfx)tst-relocmod1a.so
>>>> + $(LINK.o) -nostdlib -nostartfiles -shared -o $@ -Wl,-z,now \
>>>> + $(filter-out $(shlib-lds),$^)
>>>
>>>
>>> Does this still link against libc.so.6? If not, then this is the bug.
>>
>> It is not linked against libc.so.6 and it is done on purpose.
>
> That's OK, but then you *cannot* call libc.so.6 functions, since you have
> no dependency against the library, symbol versioning won't work correctly,
> and the dynamic loader will not order initialization correctly (as you note).
>
I withdrew this.
--
H.J.