linux-kernel - Re: [PATCH 20/36] perf build: Add arch x86 objects building

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Date:	Wed, 21 Jan 2015 22:31:57 +0100
From:	Jiri Olsa <jolsa@...hat.com>
To:	David Ahern <dsahern@...il.com>
Cc:	Jiri Olsa <jolsa@...nel.org>, linux-kernel@...r.kernel.org,
	Alexis Berlemont <alexis.berlemont@...il.com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Borislav Petkov <bp@...en8.de>,
	Corey Ashford <cjashfor@...ux.vnet.ibm.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Stephane Eranian <eranian@...gle.com>
Subject: Re: [PATCH 20/36] perf build: Add arch x86 objects building

On Wed, Jan 21, 2015 at 02:17:48PM -0700, David Ahern wrote:
> On 1/20/15 9:39 AM, Jiri Olsa wrote:
> >---
> >  tools/perf/arch/Build           |  1 +
> >  tools/perf/arch/arm/Build       |  0
> >  tools/perf/arch/arm64/Build     |  0
> >  tools/perf/arch/powerpc/Build   |  0
> >  tools/perf/arch/s390/Build      |  0
> >  tools/perf/arch/sh/Build        |  0
> >  tools/perf/arch/sparc/Build     |  0
> >  tools/perf/arch/x86/Build       |  2 ++
> >  tools/perf/arch/x86/Makefile    | 15 ---------------
> >  tools/perf/arch/x86/tests/Build |  2 ++
> >  tools/perf/arch/x86/util/Build  |  8 ++++++++
> >  11 files changed, 13 insertions(+), 15 deletions(-)
> >  create mode 100644 tools/perf/arch/arm/Build
> >  create mode 100644 tools/perf/arch/arm64/Build
> >  create mode 100644 tools/perf/arch/powerpc/Build
> >  create mode 100644 tools/perf/arch/s390/Build
> >  create mode 100644 tools/perf/arch/sh/Build
> >  create mode 100644 tools/perf/arch/sparc/Build
> >  create mode 100644 tools/perf/arch/x86/Build
> >  create mode 100644 tools/perf/arch/x86/tests/Build
> >  create mode 100644 tools/perf/arch/x86/util/Build
> 
> Since this is an x86 patch only the x86 Build files should be added here
> with the others added in respective arch patches.

the thing is that in arch/Build we now do:

+libperf-y += $(ARCH)/

which would make the build to fail on other architectures,
because the build framework requires 'Build' file in
nested directories.. and this patch adds it only for x86

jirka
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