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From: Roland Dreier <rdreier@cisco.com>
To: Yegor Yefremov <yegorslists@googlemail.com>
Cc: Tiago Maluta <tiago.maluta@gmail.com>,
	Michal Marek <mmarek@suse.cz>,
	Andrew Morton <akpm@linux-foundation.org>,
	linux-kernel@vger.kernel.org, Roland McGrath <roland@redhat.com>,
	linux-kbuild@vger.kernel.org
Subject: Re: [PATCH] Fix CONFIG_CROSS_COMPILE issue in .config
Date: Thu, 05 Aug 2010 14:37:07 -0700	[thread overview]
Message-ID: <adaocdg3fng.fsf@roland-alpha.cisco.com> (raw)
In-Reply-To: <AANLkTinC6Sqs7W--=14nmJFDcTS4HQn0=ysn7VhYDDX6@mail.gmail.com> (Yegor Yefremov's message of "Wed, 4 Aug 2010 14:16:15 +0200")

 > What about such a solution:
 > 
 > just remove empty  CROSS_COMPILE  ?=
 > 
 > Fix CONFIG_CROSS_COMPILE issue in .config
 > 
 > Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
 > 
 > Index: b/Makefile
 > ===================================================================
 > --- a/Makefile	2010-08-02 00:11:14.000000000 +0200
 > +++ b/Makefile	2010-08-04 14:08:51.000000000 +0200
 > @@ -189,7 +189,6 @@
 >  # Note: Some architectures assign CROSS_COMPILE in their arch/*/Makefile
 >  export KBUILD_BUILDHOST := $(SUBARCH)
 >  ARCH		?= $(SUBARCH)
 > -CROSS_COMPILE	?=
 >  CROSS_COMPILE	?= $(CONFIG_CROSS_COMPILE:"%"=%)

Yes, this make sense to me.  It's not clear to me why we ever needed
the conditional assignment of an empty CROSS_COMPILE (that code predates
the start of git history) but clearly having two "?=" assignments one
after another cannot work -- the second assignment to CROSS_COMPILE will
never do anything, since the line before makes CROSS_COMPILE defined.

 - R.
-- 
Roland Dreier <rolandd@cisco.com> || For corporate legal information go to:
http://www.cisco.com/web/about/doing_business/legal/cri/index.html

  reply	other threads:[~2010-08-05 21:37 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-06-17 12:50 [PATCH] Fix CONFIG_CROSS_COMPILE issue in .config Tiago Maluta
2010-06-21 19:06 ` Andrew Morton
2010-06-21 19:09   ` Roland McGrath
2010-06-21 19:54   ` Michal Marek
2010-06-23  3:44     ` Tiago Maluta
2010-08-04 12:16       ` Yegor Yefremov
2010-08-05 21:37         ` Roland Dreier [this message]
2010-08-05 22:26           ` Roland McGrath
2010-08-10  6:43             ` Yegor Yefremov
2010-08-10  7:33               ` Roland McGrath
2010-08-10 11:21               ` Michal Marek
2010-08-16 12:35                 ` Andrew Hendry
2010-08-16 12:40                   ` Michal Marek
2010-08-16 12:51                     ` Andrew Hendry
2012-02-16  6:03 ` ramana

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