From: Sam Ravnborg <sam@ravnborg.org>
To: Guillaume Chazarain <guichaz@yahoo.fr>
Cc: Adrian Bunk <bunk@kernel.org>, LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] kconfig: use $K64BIT to set 64BIT with all*config targets
Date: Sun, 11 Nov 2007 16:30:49 +0100 [thread overview]
Message-ID: <20071111153049.GA9561@uranus.ravnborg.org> (raw)
In-Reply-To: <3d8471ca0711110659w20b6dd8epfa49cd3fcb814d0e@mail.gmail.com>
On Sun, Nov 11, 2007 at 03:59:54PM +0100, Guillaume Chazarain wrote:
> > I'm wondering why you don't use two different O= output directories
> > instead?
> >
> > Depending on the CONFIG_ option in question this might even greatly
> > reduce your compile times.
>
> /me is filled with wonder at the discovery that .config is saved in the O=
> directory. Thanks a lot Adrian for this time saver. So it's not strictly an
> output directory, more a build directory.
The opposite....
All output is placed there - including the configuration generated by
the *config frontends.
It is not limited to kernel-build output.
One of the use cases for "make O=.." is a setup where the kernel source
is located in a RO location (CDROM, restricted permissions etc).
Sam
next prev parent reply other threads:[~2007-11-11 15:29 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-10 20:40 [PATCH 0/5] introduce K64BIT=y and backward compatibility ARCH={i386,x86_64} for x86 Sam Ravnborg
2007-11-10 20:43 ` [PATCH] kconfig: factor out code in confdata.c Sam Ravnborg
2007-11-10 20:43 ` [PATCH] kconfig: use $K64BIT to set 64BIT with all*config targets Sam Ravnborg
2007-11-10 20:43 ` [PATCH] x86: Use CONFIG_64BIT to select between 32 and 64 bit in Kconfig Sam Ravnborg
2007-11-10 20:43 ` [PATCH] kconfig: document make K64BIT=y in README Sam Ravnborg
2007-11-10 20:43 ` [PATCH] x86: introduce ARCH=i386,ARCH=x86_64 to select 32/64 bit Sam Ravnborg
2007-11-10 22:23 ` [PATCH] kconfig: document make K64BIT=y in README Randy Dunlap
2007-11-10 22:18 ` [PATCH] x86: Use CONFIG_64BIT to select between 32 and 64 bit in Kconfig Randy Dunlap
2007-11-10 20:55 ` [PATCH] kconfig: use $K64BIT to set 64BIT with all*config targets Guillaume Chazarain
2007-11-11 5:14 ` Adrian Bunk
2007-11-11 12:43 ` Guillaume Chazarain
2007-11-11 13:07 ` Adrian Bunk
2007-11-11 14:59 ` Guillaume Chazarain
2007-11-11 15:30 ` Sam Ravnborg [this message]
2007-11-11 15:55 ` Guillaume Chazarain
2007-11-10 22:16 ` Randy Dunlap
2007-11-10 22:31 ` Sam Ravnborg
2007-11-14 20:57 ` Roman Zippel
2007-11-14 22:08 ` Sam Ravnborg
2007-11-15 15:43 ` Roman Zippel
2007-11-15 19:25 ` Sam Ravnborg
2007-11-15 19:43 ` Roman Zippel
2007-11-15 20:45 ` Sam Ravnborg
2007-11-15 21:24 ` Roman Zippel
2007-11-15 22:06 ` Sam Ravnborg
2007-11-16 1:28 ` Roman Zippel
2007-11-16 3:44 ` Randy Dunlap
2007-11-16 13:02 ` Roman Zippel
2007-11-16 5:41 ` Sam Ravnborg
2007-11-16 12:54 ` Roman Zippel
2008-01-06 13:26 ` kconfig: support option env="" [Was: kconfig: use $K64BIT to set 64BIT with all*config targets] Sam Ravnborg
2008-01-14 3:49 ` Roman Zippel
2008-01-14 5:58 ` Sam Ravnborg
2008-01-14 3:50 ` [PATCH 1/3] explicitly introduce expression list Roman Zippel
2008-01-14 3:50 ` [PATCH 2/3] environment symbol support Roman Zippel
2008-01-14 3:51 ` [PATCH 3/3] use environment option Roman Zippel
2007-11-10 22:33 ` [PATCH 0/5] introduce K64BIT=y and backward compatibility ARCH={i386,x86_64} for x86 Randy Dunlap
2007-11-10 22:50 ` Sam Ravnborg
2007-11-11 5:09 ` Adrian Bunk
2007-11-11 11:54 ` Sam Ravnborg
2007-11-12 2:47 ` Roman Zippel
2007-11-12 5:23 ` Sam Ravnborg
-- strict thread matches above, loose matches on Subject: below --
2007-11-12 20:54 [PATCH revised] enable make ARCH=x86 (and stay backward compatible) Sam Ravnborg
2007-11-12 21:00 ` [PATCH] x86: unification of cfufreq/Kconfig Sam Ravnborg
2007-11-12 21:00 ` [PATCH] x86: start unification of arch/x86/Kconfig.* Sam Ravnborg
2007-11-12 21:00 ` [PATCH] x86: arch/x86/Kconfig.cpu unification Sam Ravnborg
2007-11-12 21:00 ` [PATCH] x86: add X86_32 dependency to i386 specific symbols in Kconfig.i386 Sam Ravnborg
2007-11-12 21:00 ` [PATCH] x86: add X86_64 dependency to x86_64 specific symbols in Kconfig.x86_64 Sam Ravnborg
2007-11-12 21:00 ` [PATCH] x86: copy x86_64 specific Kconfig symbols to Kconfig.i386 Sam Ravnborg
2007-11-12 21:00 ` [PATCH] x86: move all simple arch settings to Kconfig Sam Ravnborg
2007-11-12 21:00 ` [PATCH] x86: move the rest of the menu's " Sam Ravnborg
2007-11-12 21:00 ` [PATCH] kconfig: factor out code in confdata.c Sam Ravnborg
2007-11-12 21:00 ` [PATCH] kconfig: add helper to set config symbol from environment variable Sam Ravnborg
2007-11-12 21:00 ` [PATCH] kconfig: use $K64BIT to set 64BIT with all*config targets Sam Ravnborg
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