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Date: Tue, 21 Mar 2017 20:58:56 -0700
From: Jiada Wang <jiada_wang@mentor.com>
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Subject: [BUG] tools build: Add HOSTARCH Makefile variable
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Hello,

with commit: 0a943cb10ce7 (tools build: Add HOSTARCH Makefile variable),

the following build failure is seen with ARCH=x86_84 when build for perf

In file included from util/event.c:2:0:
tools/include/uapi/linux/mman.h:4:27: fatal error: uapi/asm/mman.h: No 
such file or directory compilation terminated.

I have submitted a patch which replaces 'ARCH' in perf with 'SRCARCH',
https://lkml.org/lkml/2017/2/27/85
can anyone give your comment?

Thanks in advance

Jiada