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From: Martin Jansa <martin.jansa@gmail.com>
To: Trevor Woerner <twoerner@gmail.com>
Cc: OE Core mailing list <openembedded-core@lists.openembedded.org>
Subject: Re: noticeably longer build (link?) times with binutils 2.26
Date: Thu, 11 Feb 2016 20:20:24 +0100	[thread overview]
Message-ID: <20160211192024.GD2595@jama> (raw)
In-Reply-To: <56BCC3F8.9000908@gmail.com>

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On Thu, Feb 11, 2016 at 12:25:12PM -0500, Trevor Woerner wrote:
> On 02/09/16 23:37, Khem Raj wrote:
> > IIRC gold has its own notions to enable gold
> > so you need to enable that
> >
> >> On Feb 9, 2016, at 8:18 PM, Trevor Woerner <twoerner@gmail.com> wrote:
> >>
> >> I've tried every combination I can think of and no matter what I try, if gold is the linker the chromium build always errors out with:
> >>
> >>     collect2: fatal error: cannot find 'ld'
> 
> Building with gold does cut the build time of the chromium component 
> back down.
> 
> binutils 2.25, bfd:  00:47:51, 00:44:24, 00:44:25
> binutils 2.26, bfd:  02:07:45, 02:09:31, 02:02:42
> 
> binutils 2.26, gold: 00:43:49, 00:45:18, 00:42:51
> 
> 
> But the only way I could get it to work was to manually perform the 
> following steps:
> $ cd <oe tmp dir>/sysroots/<native sysroot>/usr/bin
> $ ln -s <cross toolchain prefix>/<cross toolchain prefix>ld.gold ld.gold
> 
> where:
>    <native sysroot> = x86_64-linux
>    <cross toolchain prefix> = x86_64-poky-linux
> 
> to give:
> $ cd <oe-tmp-dir>/sysroots/x86_64-linux
> $ ln -s x86_64-poky-linux/x86_64-poky-linux-ld.gold ld.gold
> 
> Maybe I can play with the recipe a bit more to get this to work 
> "automatically"; maybe by setting the LD environment variable 
> differently or something.

Did you add ld-is-gold to DISTRO_FEATURES?

> 
> But, as I said before, the last time I tried booting a gold-linked image 
> on the minnow grub2 refused to work :-(
> -- 
> _______________________________________________
> Openembedded-core mailing list
> Openembedded-core@lists.openembedded.org
> http://lists.openembedded.org/mailman/listinfo/openembedded-core

-- 
Martin 'JaMa' Jansa     jabber: Martin.Jansa@gmail.com

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  parent reply	other threads:[~2016-02-11 19:16 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-08 23:20 noticeably longer build (link?) times with binutils 2.26 Trevor Woerner
2016-02-09  0:25 ` Mark Hatle
2016-02-09  2:56   ` Trevor Woerner
2016-02-09 10:00     ` Burton, Ross
2016-02-09 15:34       ` Trevor Woerner
2016-02-09  2:25 ` Khem Raj
2016-02-09  3:03   ` Trevor Woerner
2016-02-09  3:05     ` Khem Raj
2016-02-10  4:18 ` Trevor Woerner
2016-02-10  4:37   ` Khem Raj
2016-02-11 17:25     ` Trevor Woerner
2016-02-11 17:29       ` Khem Raj
2016-02-11 19:20       ` Martin Jansa [this message]
2016-02-11 22:14         ` Trevor Woerner

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