linux-kernel - Re: [PATCH v3 6/8] selftest/x86: have no dependency on all when cross building

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Message-ID: <CANMBJr5NaSF1wE-o2WfhdBNdMXxNcD=Qhxiy7iXN9y1shRMx3g@mail.gmail.com>
Date:	Mon, 20 Apr 2015 19:51:50 -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 v3 6/8] selftest/x86: have no dependency on all when cross building

On 20 April 2015 at 16:47, Andy Lutomirski <luto@...capital.net> wrote:
> On Mon, Apr 20, 2015 at 4:34 PM, Tyler Baker <tyler.baker@...aro.org> wrote:
>> On 20 April 2015 at 16:22, Andy Lutomirski <luto@...capital.net> wrote:
>>> On Mon, Apr 20, 2015 at 4:15 PM, Tyler Baker <tyler.baker@...aro.org> wrote:
>>>> If the CROSS_COMPILE is set remove all's dependency on all_32 and all_64.
>>>>
>>>> Cc: Andy Lutomirski <luto@...capital.net>
>>>> Signed-off-by: Tyler Baker <tyler.baker@...aro.org>
>>>> ---
>>>>  tools/testing/selftests/x86/Makefile | 8 +++++++-
>>>>  1 file changed, 7 insertions(+), 1 deletion(-)
>>>>
>>>> diff --git a/tools/testing/selftests/x86/Makefile b/tools/testing/selftests/x86/Makefile
>>>> index be93945..a5ca38b 100644
>>>> --- a/tools/testing/selftests/x86/Makefile
>>>> +++ b/tools/testing/selftests/x86/Makefile
>>>> @@ -7,15 +7,21 @@ BINARIES_64 := $(TARGETS_C_BOTHBITS:%=%_64)
>>>>
>>>>  CFLAGS := -O2 -g -std=gnu99 -pthread -Wall
>>>>
>>>> +all:
>>>> +
>>>
>>> This...
>>>
>>>>  UNAME_M := $(shell uname -m)
>>>>
>>>> +ifeq ($(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_64
>>>>  endif
>>>> +else
>>>> +# No dependency on all when cross building
>>>> +all:
>>>
>>> ...is redundant with this.  If you delete the "else" and "all:" here, then:
>>
>> Ok, I will remove these bits from this patch. However, the else will
>> need to be added back in the next patch of the series to override the
>> default behavior of EMIT_TESTS and INSTALL_RULE if that you are ok
>> with that.
>
> I'm fine with that, unless you or Shuah want to fix lib.mk.

I will send a follow up series to address this issue.

>
> --Andy

Tyler
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