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Re: [PATCH] Enable building glibc with gold.
On Thu, Jan 10, 2013 at 11:22 AM, Carlos O'Donell <codonell@redhat.com> wrote:
> On 01/10/2013 02:21 PM, Mike Frysinger wrote:
>> On Thursday 10 January 2013 13:28:05 H.J. Lu wrote:
>>> On Thu, Jan 10, 2013 at 7:11 AM, Carlos O'Donell <codonell@redhat.com>
>> wrote:
>>>> On 01/10/2013 12:05 AM, Roland McGrath wrote:
>>>>> The changes in question allow more build environments through the
>>>>> existing filter of "good enough to try building" that we enforce with
>>>>> configure checks. It's wrong to let through environments that we
>>>>> aren't sure work and we have some reason to think don't.
>>>>
>>>> Right, and that's where we have an issue of consensus.
>>>>
>>>> What do we want to guarantee with our configure checks?
>>>>
>>>>> I already find it easy enough that I think time would be spent better
>>>>> diagnosing the remaining problems with gold than frittering about
>>>>> this. But fine, make it easier as long as you do it without
>>>>> regressing things like the build environment checks and without
>>>>> introducing unnecessary hair. A scary-looking maintainer-only option
>>>>> to disable the build environment checks or turn them into warnings is
>>>>> certainly fine and appropriate. I don't have sources in front of me,
>>>>> but perhaps --disable-sanity-checks is already that or close enough
>>>>> that it's easy to change it to be that.
>>>>
>>>> No, after sleeping on it I realize that you're right, such a
>>>> super-secret option is not what our users need.
>>>>
>>>> Our users need a working glibc + gold configuration.
>>>
>>> -fuse-ld=gold is a well localized change. It can be easily backported
>>> to older branches. I backported it to hjl/gold/gcc-4_7-branch.
>>
>> that's great (i'm debating adding to gentoo's 4.6/4.7 branches), but that
>> doesn't change the answer to the question "does glibc work correctly when
>> linked w/gold"
>
> It doesn't quite. The statically linked testsuite failures indicate a real
> problem.
>
We can use bfd linker to verify if glibc built with gold is OK on
those failed tests.
--
H.J.