linux-kernel - Re: [PATCH] perf tools: Allow to specify lib compile variable for spec usage

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Date:	Tue, 26 Aug 2014 09:26:16 -0400
From:	Kyle McMartin <kyle@...artin.ca>
To:	Jiri Olsa <jolsa@...nel.org>
Cc:	linux-kernel@...r.kernel.org, Kyle McMartin <kyle@...artin.ca>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Corey Ashford <cjashfor@...ux.vnet.ibm.com>,
	David Ahern <dsahern@...il.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: [PATCH] perf tools: Allow to specify lib compile variable for
 spec usage

On Mon, Aug 25, 2014 at 10:55 AM, Jiri Olsa <jolsa@...nel.org> wrote:
> We need a way to specify $(lib) part of the installation
> path for traceevent plugin libraries. Currently we use
> 'lib64' for x86_64 and 'lib' otherwise.
>
> Instead of listing all possible values, this change allows
> the rpm spec code to specify the correct $(lib) part based
> on processed architecture, like
>
>   $ make ... lib=%{_lib}
>
> Cc: Kyle McMartin <kyle@...artin.ca>

I had made a similar change to Fedora, which I replaced with this, and
it worked fine.
LGTM :)

Tested-by: Kyle McMartin <kyle@...artin.ca>

> Cc: Arnaldo Carvalho de Melo <acme@...nel.org>
> Cc: Corey Ashford <cjashfor@...ux.vnet.ibm.com>
> Cc: David Ahern <dsahern@...il.com>
> Cc: Frederic Weisbecker <fweisbec@...il.com>
> Cc: Ingo Molnar <mingo@...nel.org>
> Cc: Namhyung Kim <namhyung@...nel.org>
> Cc: Paul Mackerras <paulus@...ba.org>
> Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
> Signed-off-by: Jiri Olsa <jolsa@...nel.org>
> ---
>  tools/perf/config/Makefile | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
> index 75d4c237b03d..eaf36dafb482 100644
> --- a/tools/perf/config/Makefile
> +++ b/tools/perf/config/Makefile
> @@ -651,11 +651,13 @@ else
>  sysconfdir = $(prefix)/etc
>  ETC_PERFCONFIG = etc/perfconfig
>  endif
> +ifndef lib
>  ifeq ($(IS_X86_64),1)
>  lib = lib64
>  else
>  lib = lib
>  endif
> +endif # lib
>  libdir = $(prefix)/$(lib)
>
>  # Shell quote (do not use $(call) to accommodate ancient setups);
> --
> 1.8.3.1
>
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