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From: Daniel Micay <danielmicay@gmail.com>
Date: Fri, 20 Apr 2018 15:18:32 -0400
Message-ID: <CA+DvKQKLpXP50vV0yoyB_w26NK5h6KdVUSWEHvHZ-8OdVvdt9w@mail.gmail.com>
Subject: Re: [regression v4.17-rc0] Re: FORTIFY_SOURCE breaks ARM compilation
 in -next -- was Re: ARM compile failure in Re: linux-next: Tree for Apr 4
To: Pavel Machek <pavel@ucw.cz>
Cc: Kees Cook <keescook@chromium.org>, Tony Lindgren <tony@atomide.com>,
        Thorsten Leemhuis <regressions@leemhuis.info>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Arnd Bergmann <arnd@arndb.de>, Stephen Rothwell <sfr@canb.auug.org.au>,
        Linux-Next Mailing List <linux-next@vger.kernel.org>,
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        linux-omap@vger.kernel.org, Kevin Hilman <khilman@kernel.org>,
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On 20 April 2018 at 15:15, Pavel Machek <pavel@ucw.cz> wrote:
> Hi!
>
>> >> Hi! Sorry I lost this email in my inbox. It seems this is specific to
>> >> a particular subset of arm architectures? (My local builds of arm all
>> >> succeed, for example. Can you send your failing config?) I'll take a
>> >> closer look on Monday if Daniel doesn't beat me to it.
>> >
>> > Daniel, Kees: any news?
>> >
>> > I'm aware you did not specify which Monday :-).
>>
>> Hi! Sorry, I got distracted. So the .config you sent me builds fine
>> with my cross compiler. I suspect this is something specific to ELDK's
>> compiler. I can try some other compiler versions. What version of gcc
>> is failing?
>
> I have:
>
> pavel@duo:/data/l/linux-n900$ arm-linux-gnueabi-gcc --version
> arm-linux-gnueabi-gcc (GCC) 4.7.2
> Copyright (C) 2012 Free Software Foundation, Inc.
> pavel@duo:/data/l/linux-n900$ arm-linux-gnueabi-ld --version
> GNU ld (GNU Binutils) 2.23.1.20121113
> Copyright 2012 Free Software Foundation, Inc.
>
> Let me try with eldk-5.6:
>
> pavel@duo:/data/l/linux-n900$ arm-linux-gnueabi-gcc --version
> arm-linux-gnueabi-gcc (GCC) 4.8.2
> pavel@duo:/data/l/linux-n900$ arm-linux-gnueabi-ld --version
> GNU ld (GNU Binutils) 2.24
>
> make  lib/string.o
>
> Seems to succeed, so I guess full build will succeed, too...

It doesn't imply that a full build would work.