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Date:   Mon, 15 Jul 2019 13:16:18 -0500
From:   Segher Boessenkool <segher@kernel.crashing.org>
To:     Masahiro Yamada <yamada.masahiro@socionext.com>
Cc:     Michael Ellerman <mpe@ellerman.id.au>,
        Stephen Rothwell <sfr@canb.auug.org.au>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Nicholas Piggin <npiggin@gmail.com>,
        Paul Mackerras <paulus@samba.org>,
        linuxppc-dev <linuxppc-dev@lists.ozlabs.org>
Subject: Re: [PATCH] powerpc: remove meaningless KBUILD_ARFLAGS addition
Message-ID: <20190715181618.GG20882@gate.crashing.org>
References: <20190713032106.8509-1-yamada.masahiro@socionext.com> <20190713124744.GS14074@gate.crashing.org> <20190713131642.GU14074@gate.crashing.org> <CAK7LNASBmZxX+U=LS+dgvet96cA3T6Tf_tiAa2vduUV81DEnBw@mail.gmail.com> <20190713235430.GZ14074@gate.crashing.org> <87v9w393r5.fsf@concordia.ellerman.id.au> <20190715072959.GB20882@gate.crashing.org> <CAK7LNATGEK9wxz87J3sTNOYPdtAFXaegQU9EctEBGULQL-ZC4w@mail.gmail.com>
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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@kernel.crashing.org> wrote:
> >
> > On Mon, Jul 15, 2019 at 05:05:34PM +1000, Michael Ellerman wrote:
> > > Segher Boessenkool <segher@kernel.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