linux-kernel - Re: [PATCH v2 6/8] selftest/x86: have no dependency on all when cross building

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Date:	Fri, 17 Apr 2015 15:15:02 -0700
From:	Tyler Baker <tyler.baker@...aro.org>
To:	Andy Lutomirski <luto@...capital.net>
Cc:	Shuah Khan <shuahkh@....samsung.com>,
	Kevin Hilman <khilman@...nel.org>,
	John Stultz <john.stultz@...aro.org>,
	Darren Hart <dvhart@...radead.org>,
	David Herrmann <dh.herrmann@...il.com>,
	Michael Ellerman <mpe@...erman.id.au>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v2 6/8] selftest/x86: have no dependency on all when cross building

On 17 April 2015 at 15:08, Andy Lutomirski <luto@...capital.net> wrote:
> On Fri, Apr 17, 2015 at 3:01 PM, Tyler Baker <tyler.baker@...aro.org> wrote:
>> If the CROSS_COMPILE is set have no dependency on all.
>
> You mean "remove all's dependency on all_32 and all_64", I think.

Yes I'll clean this up.

>
>>
>> Cc: Andy Lutomirski <luto@...capital.net>
>> Signed-off-by: Tyler Baker <tyler.baker@...aro.org>
>> ---
>>  tools/testing/selftests/x86/Makefile | 6 +++++-
>>  1 file changed, 5 insertions(+), 1 deletion(-)
>>
>> diff --git a/tools/testing/selftests/x86/Makefile b/tools/testing/selftests/x86/Makefile
>> index 57090ad..9962e10 100644
>> --- a/tools/testing/selftests/x86/Makefile
>> +++ b/tools/testing/selftests/x86/Makefile
>> @@ -9,13 +9,17 @@ CFLAGS := -O2 -g -std=gnu99 -pthread -Wall
>>
>>  UNAME_M := $(shell uname -m)
>
> I think you should add
>
> all:
>
> above.  Otherwise, with CROSS_COMPILE set, the default rule won't be
> 'all' any more.

Ack. Good suggestion, thanks.

>
> -Andy
>
>>
>> +ifeq ($(CROSS_COMPILE),)
>>  # Always build 32-bit tests
>>  all: all_32
>> -
>>  # If we're on a 64-bit host, build 64-bit tests as well
>>  ifeq ($(UNAME_M),x86_64)
>>  all: all_32 all_64
>>  endif
>> +else
>> +# No dependency on all when cross building
>> +all:
>> +endif
>>
>>  all_32: check_build32 $(BINARIES_32)
>>
>> --
>> 2.1.4
>>
>
>
>
> --
> Andy Lutomirski
> AMA Capital Management, LLC

Tyler
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