[PATCH] perf tools: Fix build error on ARCH=i386/x86_64/sparc64

[Namhyung Kim]

He Kuang reported that current perf tools failed to build when ARCH
variable was given like above.  It was because the name is different
that internal directory name.  I can see that David's sparc64 build
has same problem.  So fix it by applying the sed conversion script to
the command line ARCH variable also, and fixing the converted name
there (i.e. i386/x86_64 -> x86, sparc64 -> sparc).

Reported-and-tested-by: He Kuang <hekuang@xxxxxxxxxx>
Cc: David Ahern <david.ahern@xxxxxxxxxx>
Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
---
 tools/perf/config/Makefile.arch | 23 +++++------------------
 1 file changed, 5 insertions(+), 18 deletions(-)

diff --git a/tools/perf/config/Makefile.arch b/tools/perf/config/Makefile.arch
index ff95a68741d1..e9720571341d 100644
--- a/tools/perf/config/Makefile.arch
+++ b/tools/perf/config/Makefile.arch
@@ -1,28 +1,15 @@
+ifndef ARCH
+ARCH := $(shell uname -m 2>/dev/null || echo not)
+endif
 
-uname_M := $(shell uname -m 2>/dev/null || echo not)
-
-RAW_ARCH := $(shell echo $(uname_M) | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ \
+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 s/s390x/s390/ -e s/parisc64/parisc/ \
                                   -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \
                                   -e s/sh[234].*/sh/ -e s/aarch64.*/arm64/ \
                                   -e s/tile.*/tile/ )
 
-# Additional ARCH settings for x86
-ifeq ($(RAW_ARCH),i386)
-  ARCH ?= x86
-endif
-
-ifeq ($(RAW_ARCH),x86_64)
-  ARCH ?= x86
-
-  ifneq (, $(findstring m32,$(CFLAGS)))
-    RAW_ARCH := x86_32
-  endif
-endif
-
-ARCH ?= $(RAW_ARCH)
-
 LP64 := $(shell echo __LP64__ | ${CC} ${CFLAGS} -E -x c - | tail -n 1)
 ifeq ($(LP64), 1)
   IS_64_BIT := 1
-- 
2.2.2

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