linux-kernel - Re: [PATCH v3 -tip] perf tools: fix building error for arm64.

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Message-ID: <20150318071935.GT943@sejong>
Date:	Wed, 18 Mar 2015 16:19:35 +0900
From:	Namhyung Kim <namhyung@...nel.org>
To:	Wang Nan <wangnan0@...wei.com>
Cc:	jolsa@...nel.org, acme@...nel.org, lizefan@...wei.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 -tip] perf tools: fix building error for arm64.

On Tue, Mar 17, 2015 at 01:29:47PM +0000, Wang Nan wrote:
> Commit b11db6581beaccef8ae9a388ae96074aa5cc144f ("perf tools: Fix build
> error on ARCH=i386/x86_64/sparc64") uses sed on ARCH, which triggers a
> bug in sequence of sed expression, where 's/arm.*/arm/' will replace
> 'arm64' to 'arm', causes arm64 building failure.
> 
> This patch prevent 'arm64' to be mached for 'arm.*' case.
> 
> Signed-off-by: Wang Nan <wangnan0@...wei.com>

Acked-by: Namhyung Kim <namhyung@...nel.org>

Thanks,
Namhyung


> ---
> v2 -> v3:
>   Make the 'arm.*' expression complete according to Jiri Olsa's suggestion.
> ---
>  tools/perf/config/Makefile.arch | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/tools/perf/config/Makefile.arch b/tools/perf/config/Makefile.arch
> index e972057..e11fbd6 100644
> --- a/tools/perf/config/Makefile.arch
> +++ b/tools/perf/config/Makefile.arch
> @@ -4,7 +4,7 @@ endif
>  
>  ARCH := $(shell echo $(ARCH) | sed -e s/i.86/x86/ -e s/x86_64/x86/ \
>                                    -e s/sun4u/sparc/ -e s/sparc64/sparc/ \
> -                                  -e s/arm.*/arm/ -e s/sa110/arm/ \
> +                                  -e /arm64/!s/arm.*/arm/ -e s/sa110/arm/ \
>                                    -e s/s390x/s390/ -e s/parisc64/parisc/ \
>                                    -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \
>                                    -e s/sh[234].*/sh/ -e s/aarch64.*/arm64/ \
> -- 
> 1.8.3.4
> 
> --
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