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

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Date:	Tue, 17 Mar 2015 13:29:47 +0000
From:	Wang Nan <wangnan0@...wei.com>
To:	<namhyung@...nel.org>, <jolsa@...nel.org>, <acme@...nel.org>
CC:	<lizefan@...wei.com>, <linux-kernel@...r.kernel.org>
Subject: [PATCH v3 -tip] perf tools: fix building error for arm64.

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>
---
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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