linux-kernel - Re: [PATCH] selftests/futex: Fix line continuation in Makefile

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Message-ID: <6d498007-de71-2071-646c-05eeb81b2b08@osg.samsung.com>
Date:   Tue, 13 Feb 2018 18:45:54 -0700
From:   Shuah Khan <shuahkh@....samsung.com>
To:     Darren Hart <dvhart@...radead.org>,
        Daniel Díaz <daniel.diaz@...aro.org>
Cc:     linux-kselftest@...r.kernel.org,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Shuah Khan <shuah@...nel.org>,
        "open list:FUTEX SUBSYSTEM" <linux-kernel@...r.kernel.org>,
        Shuah Khan <shuahkh@....samsung.com>
Subject: Re: [PATCH] selftests/futex: Fix line continuation in Makefile

On 02/13/2018 06:33 PM, Darren Hart wrote:
> On Tue, Feb 13, 2018 at 02:26:46PM -0700, Shuah Khan wrote:
>> On 02/07/2018 10:24 AM, Daniel Díaz wrote:
>>> The Makefile lacks a couple of line continuation backslashes
>>> in an `if' clause, which produces an error while make'ing:
>>>
>>>   $ make
>>>   make[1]: Entering directory `/[...]/linux/tools/testing/selftests/futex'
>>>   /bin/sh: -c: line 5: syntax error: unexpected end of file
>>>   make[1]: *** [all] Error 1
>>>   make[1]: Leaving directory `/[...]/linux/tools/testing/selftests/futex'
>>>   make: *** [all] Error 2
>>>
> 
> What is the failure scenario here? Is this shell specific? What does /bin/sh
> point to for you?

My understanding is that this problem is seen with make versions prior to 4.x.
This specific problem is seen with make version 3.81

I will let Daniel Díaz share details on his environment.

thanks,
-- Shuah