linux-kernel - Re: collect2: error: ld returned 1 exit status

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Message-ID: <1448272493.3452.4.camel@ellerman.id.au>
Date:	Mon, 23 Nov 2015 20:54:53 +1100
From:	Michael Ellerman <mpe@...erman.id.au>
To:	kbuild test robot <fengguang.wu@...el.com>,
	Anton Blanchard <anton@...ba.org>
Cc:	kbuild-all@...org, linux-kernel@...r.kernel.org
Subject: Re: collect2: error: ld returned 1 exit status

On Sun, 2015-11-22 at 09:05 +0800, kbuild test robot wrote:

> Hi Anton,
> 
> FYI, the error/warning still remains.

...

>    /usr/lib/gcc-cross/powerpc64le-linux-gnu/5/../../../../powerpc64le-linux-gnu/bin/ld: arch/powerpc/kernel/vdso64/sigtramp.o: file class ELFCLASS64 incompatible with ELFCLASS32
>    /usr/lib/gcc-cross/powerpc64le-linux-gnu/5/../../../../powerpc64le-linux-gnu/bin/ld: final link failed: File in wrong format
> > > collect2: error: ld returned 1 exit status

Hi Fengguang,

How new is your GCC? This looks like a bug that was fixed recently (September) in GCC:

  https://github.com/gcc-mirror/gcc/commit/0012c439035bc1d5843e5c8e72c6c5fad357d389

cheers

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