[swift-dev] Requiring gold linker for Linux targets?

[Saleem Abdulrasool]

On Mon, May 16, 2016 at 8:03 AM, Ryan Lovelett via swift-dev <
swift-dev at swift.org> wrote:

> On Sat, May 14, 2016, at 12:17 PM, William Dillon via swift-dev wrote:
> > I'm in favor.  The current disparate use of linkers overly complicates
> > the build scripts, and given that BFD seems to be a liability, I think it
> > makes sense to transition.  In the interest of full disclosure, I don't
> > fully understand all the implications of this change, especially on x86.
> >
> > - Will
> >
> > > On May 13, 2016, at 6:50 PM, Saleem Abdulrasool via swift-dev <
> swift-dev at swift.org> wrote:
> > >
> > > Hi,
> > >
> > > On ARM targets, gold is already required due to a certain bugs in the
> handling of relocations for those targets.
> > >
> > > For other targets, there was a bug exposed in the BFD linker (which is
> believed to have been fixed in a newer release).
> > >
> > > Recently, another change seems to have exposed yet another issue with
> linking on x86 targets.
> > >
> > > Given the frequency with which issues occurring with the BFD linker,
> is it reasonable to say that building swift requires the gold linker?  To
> the previous three issues, I believe that two of them were worked around
> with the approach of using gold.  So, there is some precedent to that
> approach.  Furthermore, this idea has been brought up before.
> > >
> > > Im hoping that this can spark a thread which can come up to some
> conclusion to whether it is reasonable to expect that the linux builds
> would use gold for the foreseeable future.
>
> Count me in favor of this as well.


Given the overall positive reaction, and no objections, Ive created
https://github.com/apple/swift/pull/2609 to switch Linux over to gold by
default on all the targets.


> > >
> > > --
> > > Saleem Abdulrasool
> > > compnerd (at) compnerd (dot) org
> > > _______________________________________________
> > > swift-dev mailing list
> > > swift-dev at swift.org
> > > https://lists.swift.org/mailman/listinfo/swift-dev
> >
> > _______________________________________________
> > swift-dev mailing list
> > swift-dev at swift.org
> > https://lists.swift.org/mailman/listinfo/swift-dev
> _______________________________________________
> swift-dev mailing list
> swift-dev at swift.org
> https://lists.swift.org/mailman/listinfo/swift-dev
>



-- 
Saleem Abdulrasool
compnerd (at) compnerd (dot) org
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.swift.org/pipermail/swift-dev/attachments/20160519/6969f185/attachment.html>