Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
From:   Alexey Brodkin <Alexey.Brodkin@synopsys.com>
To:     Vineet Gupta <Vineet.Gupta1@synopsys.com>
CC:     "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "Masahiro Yamada" <yamada.masahiro@socionext.com>,
        "linux-snps-arc@lists.infradead.org" 
        <linux-snps-arc@lists.infradead.org>
Subject: RE: [PATCH] ARC: build: Try to guess CROSS_COMPILE with
 cc-cross-prefix
Thread-Topic: [PATCH] ARC: build: Try to guess CROSS_COMPILE with
 cc-cross-prefix
Thread-Index: AQHVGdYMPk2bX2WmokSxcQWQW1zwFqaKIHLA
Date:   Mon, 3 Jun 2019 16:34:43 +0000
Message-ID: <CY4PR1201MB012022B3EBC7F7C2788E7B06A1140@CY4PR1201MB0120.namprd12.prod.outlook.com>
References: <20190603063119.36544-1-abrodkin@synopsys.com>
 <C2D7FE5348E1B147BCA15975FBA2307501A2522AB4@us01wembx1.internal.synopsys.com>
In-Reply-To: <C2D7FE5348E1B147BCA15975FBA2307501A2522AB4@us01wembx1.internal.synopsys.com>
Accept-Language: en-US
Content-Language: en-US
received-spf: None (protection.outlook.com: synopsys.com does not designate
 permitted sender hosts)
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable
MIME-Version: 1.0
X-MS-Exchange-CrossTenant-Network-Message-Id: 48404d40-b3e8-4e86-40f0-08d6e8416267
X-MS-Exchange-CrossTenant-originalarrivaltime: 03 Jun 2019 16:34:43.9605
 (UTC)
X-MS-Exchange-CrossTenant-fromentityheader: Hosted
X-MS-Exchange-CrossTenant-id: c33c9f88-1eb7-4099-9700-16013fd9e8aa
X-MS-Exchange-CrossTenant-mailboxtype: HOSTED
X-MS-Exchange-CrossTenant-userprincipalname: abrodkin@synopsys.com
X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY4PR1201MB0150
X-OriginatorOrg: synopsys.com
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

Hi Vineet,

> -----Original Message-----
> From: Vineet Gupta <vgupta@synopsys.com>
> Sent: Monday, June 3, 2019 7:25 PM
> To: Alexey Brodkin <abrodkin@synopsys.com>; linux-snps-arc@lists.infradea=
d.org
> Cc: linux-kernel@vger.kernel.org; Masahiro Yamada <yamada.masahiro@socion=
ext.com>
> Subject: Re: [PATCH] ARC: build: Try to guess CROSS_COMPILE with cc-cross=
-prefix
>=20
> On 6/2/19 11:31 PM, Alexey Brodkin wrote:
> > For a long time we used to hard-code CROSS_COMPILE prefix
> > for ARC until it started to cause problems, so we decided to
> > solely rely on CROSS_COMPILE externally set by a user:
> > commit 40660f1fcee8 ("ARC: build: Don't set CROSS_COMPILE in arch's Mak=
efile").
> >
> > While it works perfectly fine for build-systems where the prefix
> > gets defined anyways for us human beings it's quite an annoying
> > requirement especially given most of time the same one prefix
> > "arc-linux-" is all what we need.
> >
> > It looks like finally we're getting the best of both worlds:
> >  1. W/o cross-toolchain we still may install headers, build .dtb etc
> >  2. W/ cross-toolchain get the kerne built with only ARCH=3Darc
> >
> > Inspired by [1] & [2].
> >
> > [1] http://lists.infradead.org/pipermail/linux-snps-arc/2019-May/005788=
.html
> > [2] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/=
commit/?id=3Dfc2b47b55f17
> >
> > A side note: even though "cc-cross-prefix" does its job it pollutes
> > console with output of "which" for all the prefixes it didn't manage to=
 find
> > a matching cross-compiler for like that:
> > | # ARCH=3Darc make defconfig
> > | which: no arceb-linux-gcc in (~/.local/bin:~/bin:/usr/bin:/usr/sbin)
> > | *** Default configuration is based on 'nsim_hs_defconfig'
> >
> > Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
> > Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
> > Cc: Vineet Gupta <vgupta@synopsys.com>
>=20
> Not a big deal but I'd propose we add "Suggested-by: vgupta" since that i=
s where
> it came from.

Ooops, indeed that should have been added, but instead I just
mentioned your earlier email in the mailing list.

Care to add yourself on patch application?

-Alexey