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

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Date:   Tue, 16 Jul 2019 16:14:34 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Segher Boessenkool <segher@...nel.crashing.org>
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 Tue, Jul 16, 2019 at 3:16 AM Segher Boessenkool
<segher@...nel.crashing.org> wrote:
>
> 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.


Ah, I see!

I had missed the space being required.

Since I cannot test old binutils,
I will leave this to ppc people.






--
Best Regards
Masahiro Yamada