Date: Sat, 29 Oct 2016 12:10:08 +0200
From: Tomas Janousek <tomi@nomi.cz>
To: Sven Joachim <svenjoac@gmx.de>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
        Joe Perches <joe@perches.com>, Adam Borowski <kilobyte@angband.pl>,
        Michal Marek <mmarek@suse.com>, linux-kbuild@vger.kernel.org,
        linux-kernel@vger.kernel.org, ben@decadent.org.uk
Subject: Re: [RFC PATCH] kbuild: add -fno-PIE
Message-ID: <20161029101007.zwqv3lslbzd4urco@nomi.cz>
References: <20161021111600.9417-1-bigeasy@linutronix.de>
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Hi Sven,

On Mon, Oct 24, 2016 at 07:32:30PM +0200, Sven Joachim wrote:
> The attached patch works for me with Debian's gcc-6 package.

I tried your patch when building 4.8.5 on an up-to-date Debian testing and
still got this:

  AS      arch/x86/entry/vdso/vdso32/note.o
arch/x86/entry/vdso/vdso32/note.S:1:0: sorry, unimplemented: -mfentry isn’t supported for 32-bit in combination with -fpic

Adding KBUILD_AFLAGS += $(call cc-option,-fno-pie,) helps.
(Maybe that should be as-option instead. Don't know. There are lots of
AFLAGS=$(call cc-option, ...) in the Makefiles, anyway.)

-- 
Tomáš Janoušek, a.k.a. Pivník, a.k.a. Liskni_si, http://work.lisk.in/