linux-kernel - Re: [PATCH] powerpc: remove meaningless KBUILD

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Message-ID: <20190715181618.GG20882@gate.crashing.org>
Date:   Mon, 15 Jul 2019 13:16:18 -0500
From:   Segher Boessenkool <segher@...nel.crashing.org>
To:     Masahiro Yamada <yamada.masahiro@...ionext.com>
Cc:     Michael Ellerman <mpe@...erman.id.au>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Nicholas Piggin <npiggin@...il.com>,
        Paul Mackerras <paulus@...ba.org>,
        linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>
Subject: Re: [PATCH] powerpc: remove meaningless KBUILD_ARFLAGS addition

On Mon, Jul 15, 2019 at 09:03:46PM +0900, Masahiro Yamada wrote:
> On Mon, Jul 15, 2019 at 4:30 PM Segher Boessenkool
> <segher@...nel.crashing.org> wrote:
> >
> > On Mon, Jul 15, 2019 at 05:05:34PM +1000, Michael Ellerman wrote:
> > > Segher Boessenkool <segher@...nel.crashing.org> writes:
> > > > Yes, that is why I used the environment variable, all binutils work
> > > > with that.  There was no --target option in GNU ar before 2.22.
> 
> I use binutils 2.30
> It does not understand --target option.
> 
> $ powerpc-linux-ar --version
> GNU ar (GNU Binutils) 2.30
> Copyright (C) 2018 Free Software Foundation, Inc.
> This program is free software; you may redistribute it under the terms of
> the GNU General Public License version 3 or (at your option) any later version.
> This program has absolutely no warranty.
> 
> If I give --target=elf$(BITS)-$(GNUTARGET) option, I see this:
> powerpc-linux-ar: -t: No such file or directory

You need to provide a valid command line, like

$ powerpc-linux-ar tv smth.a --target=elf32-powerpc

ar is a bit weird.


Segher