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SubjectRe: [PATCH v3 1/1] perf tools: fix perf build with ARCH=x86_64
Hello Jiri

On 04/09/2017 10:27 AM, Jiri Olsa wrote:
> On Tue, Apr 04, 2017 at 11:25:44PM -0700, wrote:
>> From: Jiada Wang<>
>> with commit: 0a943cb10ce78 (tools build: Add HOSTARCH Makefile variable)
>> the following build failure is seen when build with ARCH=x86_64
> is that described somewhere as a valid building interface?
> I never use it so I have no idea.. would you describe your
> build env/process?
I used "ARCH=x86_64 make -C tools perf V=1" to build perf for x86_64 ARCH.

>> 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.
>> fix this issue by use SRCARCH instead of ARCH in perf.
> please describe also the the issue itself in the changelog, not just the fix
I will update changelog with detail information about the issue in v4
> so objtool is using SRCARCH this way, I guess it's fine
> if we go this way, you also need to change the pmu-events/Build
> and there's some comment using $(ARCH) in util/header.c
will update pmu-events/Build in v4
> thanks,
> jirka

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