[tip:perf/core] objtool: Use tools/scripts/Makefile.arch to get ARCH and HOSTARCH

[tip-bot for Arnaldo Carvalho de Melo]

Commit-ID:  630e7a2904a271a519093aff611f50e06d55085c
Gitweb:     http://git.kernel.org/tip/630e7a2904a271a519093aff611f50e06d55085c
Author:     Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
AuthorDate: Fri, 22 Jul 2016 09:59:24 -0300
Committer:  Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Fri, 22 Jul 2016 16:28:25 -0300

objtool: Use tools/scripts/Makefile.arch to get ARCH and HOSTARCH

objtool's Makefile was setting up ARCH but fixing up just the x86_64 ->
x86, using Makefile.arch will do the necessary fixups for all arches.

Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Cc: Wang Nan <wangnan0@xxxxxxxxxx>
Link: http://lkml.kernel.org/n/tip-hbq0bbh03u2b722vozcyql31@xxxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 tools/objtool/Makefile | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/tools/objtool/Makefile b/tools/objtool/Makefile
index 1f75b0a..988129c 100644
--- a/tools/objtool/Makefile
+++ b/tools/objtool/Makefile
@@ -1,11 +1,9 @@
 include ../scripts/Makefile.include
+include ../scripts/Makefile.arch
 
-ifndef ($(ARCH))
-ARCH ?= $(shell uname -m)
 ifeq ($(ARCH),x86_64)
 ARCH := x86
 endif
-endif
 
 # always use the host compiler
 CC = gcc