Re: [PATCH 3/3] selftests/kcmp: Always try to build the test

From: Shuah Khan
Date: Thu Oct 23 2014 - 09:53:08 EST


On 10/23/2014 07:06 AM, Christopher Covington wrote:
> Hi Michael,
>
> On 10/23/2014 01:07 AM, Michael Ellerman wrote:
>> Don't prevent the test building on non-x86. Just try and build it and
>> let the chips fall where they may.
>
> As a user of kcmp via CRIU on arm and arm64, thanks!
>
>> diff --git a/tools/testing/selftests/kcmp/Makefile b/tools/testing/selftests/kcmp/Makefile
>> index 4f00c0524501..cda9cc4004c9 100644
>> --- a/tools/testing/selftests/kcmp/Makefile
>> +++ b/tools/testing/selftests/kcmp/Makefile
>> @@ -1,21 +1,7 @@
>> -uname_M := $(shell uname -m 2>/dev/null || echo not)
>> -ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/i386/)
>> -ifeq ($(ARCH),i386)
>> - ARCH := x86
>> - CFLAGS := -DCONFIG_X86_32 -D__i386__
>> -endif
>> -ifeq ($(ARCH),x86_64)
>> - ARCH := x86
>> - CFLAGS := -DCONFIG_X86_64 -D__x86_64__
>> -endif
>> CFLAGS += -I../../../../usr/include/
>>
>> all:
>> -ifeq ($(ARCH),x86)
>> gcc $(CFLAGS) kcmp_test.c -o kcmp_test
>
> Not that this needs to be addressed in this patch, but this looks broken for
> cross compilation. It looks like some of the other selftests use:
>
> CC = $(CROSS_COMPILE)gcc
>

It makes sense to fix the cross-compile problem now, since
this patch is extending the support to other archs.

thanks,
-- Shuah


--
Shuah Khan
Sr. Linux Kernel Developer
Samsung Research America (Silicon Valley)
shuahkh@xxxxxxxxxxxxxxx | (970) 217-8978
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