linux-kernel - Re: [PATCH] Revert "perf tools: Allow to specify custom linker command"

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Date:	Tue, 14 Jul 2015 11:45:22 -0300
From:	"acme@...nel.org" <acme@...nel.org>
To:	Alexey Brodkin <Alexey.Brodkin@...opsys.com>
Cc:	"aaro.koskinen@...ia.com" <aaro.koskinen@...ia.com>,
	"linux-arch@...r.kernel.org" <linux-arch@...r.kernel.org>,
	"Vineet.Gupta1@...opsys.com" <Vineet.Gupta1@...opsys.com>,
	"jolsa@...nel.org" <jolsa@...nel.org>,
	"paulus@...ba.org" <paulus@...ba.org>,
	"a.p.zijlstra@...llo.nl" <a.p.zijlstra@...llo.nl>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] Revert "perf tools: Allow to specify custom linker
 command"

Em Tue, Jul 14, 2015 at 02:00:05PM +0000, Alexey Brodkin escreveu:
> On Tue, 2015-07-14 at 10:46 -0300, Arnaldo Carvalho de Melo wrote:
> > Em Mon, Jul 13, 2015 at 11:24:06PM +0300, Aaro Koskinen escreveu:
> > > > But for now to fix cross-building of perf this revert is enough.

> > > Hmm. You are probably right, my build system always exports LD with
> > > correct linker for cross builds so perhaps that's why I this "worked"
> > > for me when testing. Sorry.

> > So, I think this is an "Acked-by: Aaro Koskinen <aaro.koskinen@....fi>"
> > for the revert, right?

> > > I guess the correct fix would be [1], i.e. there should be some new
> > > variable to pass flags to ld command.

> > > Or maybe [2], could we use make "origin" function? If LD is "default",
> > > then use "$(CROSS_COMPILE)ld", otherwise use what the user passed?

> > When you guys get to some conclusion, please submit a new patch, for now
> > I am taking the revert with the (implied) Acked-by Aaro, ok?

> Please find my patch that both reverts initial Aaro's patch and implements
> proper handling of CC, AR and LD substitution here - https://lkml.org/lkml/2015/7/14/149

I saw it, will do.

- Arnaldo
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