linux-kernel - Re: [PATCH v2 0/3] update of various kbuild flags to allow user settings

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Date:	Wed, 28 Jul 2010 20:30:24 +0200
From:	Sam Ravnborg <sam@...nborg.org>
To:	Michal Marek <mmarek@...e.cz>,
	linux-kbuild <linux-kbuild@...r.kernel.org>,
	lkml <linux-kernel@...r.kernel.org>,
	Denys Vlasenko <vda.linux@...glemail.com>
Cc:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Chen Liqin <liqin.chen@...plusct.com>,
	David Howells <dhowells@...hat.com>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Haavard Skinnemoen <hskinnemoen@...el.com>,
	Hirokazu Takata <takata@...ux-m32r.org>,
	Martin Schwidefsky <schwidefsky@...ibm.com>,
	Mike Frysinger <vapier@...too.org>,
	Ralf Baechle <ralf@...ux-mips.org>,
	Tony Luck <tony.luck@...el.com>
Subject: Re: [PATCH v2 0/3] update of various kbuild flags to allow user
	settings

On Wed, Jul 28, 2010 at 08:25:23PM +0200, Sam Ravnborg wrote:
> Denys Vlasenko complained that he could not set
> a moduel specific linker flags on the command line.
> 
> It turned out that the cause of this was kbuild
> that assigned a value to a variables that
> may be modified by the user.
> So any user supplied value would overwrite
> the kbuild assigned value.
> 
> Fix this so we use internal variables for kbuild
> feering up the official variables for use by
> the user.
> 
> Changes in v2:
> Fix so we can now specify both module and built-in
> options on command line.
> Combine all *_MODULE changes in one patch.
> Add a new patch for *_KERNEL changes.
> Document the new variables in makefiles.txt
> Document the variables that may be set on the command line
> in kbuild.txt
> 
> The frv Makefile saw a bigger cleanup this time.
> I suggest to merge it through kbuild.git because the
> update is dependent on the first patch in this serie.

Forgot the stats:


Sam Ravnborg (3):
      kbuild: allow assignment to {A,C,LD}FLAGS_MODULE on the command line
      kbuild: allow assignment to {A,C}FLAGS_KERNEL on the command line
      frv: clean up arch/frv/Makefile

 Documentation/kbuild/kbuild.txt    |   26 ++++++++++++++++++++++++--
 Documentation/kbuild/makefiles.txt |   27 ++++++++++++++++++++++-----
 Makefile                           |   17 ++++++++++++-----
 arch/avr32/Makefile                |    2 +-
 arch/blackfin/Makefile             |    4 ++--
 arch/frv/Makefile                  |   22 ++--------------------
 arch/ia64/Makefile                 |    6 +++---
 arch/m32r/Makefile                 |    4 ++--
 arch/m68k/Makefile                 |    2 +-
 arch/mips/Makefile                 |    6 ++++--
 arch/powerpc/Makefile              |    2 +-
 arch/s390/Makefile                 |    3 ++-
 arch/score/Makefile                |    3 ++-
 scripts/Makefile.build             |   11 +++++++----
 scripts/Makefile.modpost           |    7 ++++---
 15 files changed, 89 insertions(+), 53 deletions(-)

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