linux-kernel - Re: [patch, rfc] kbuild: implement checksrc without building Cources (was Re: CHECK without C compile?)

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Message-Id: <20061024134508.adb14be6.rdunlap@xenotime.net>
Date:	Tue, 24 Oct 2006 13:45:08 -0700
From:	Randy Dunlap <rdunlap@...otime.net>
To:	Oleg Verych <olecom@...wer.upol.cz>
Cc:	linux-kernel@...r.kernel.org, kbuild-devel@...ts.sourceforge.net
Subject: Re: [patch, rfc] kbuild: implement checksrc without building
 Cources  (was Re: CHECK without C compile?)

On Tue, 24 Oct 2006 19:43:40 +0000 (UTC) Oleg Verych wrote:

> On 2006-10-24, Oleg Verych wrote:
> > On 2006-10-23, Randy Dunlap wrote:
> >> Hi Sam,
> >
> * It seems*
> >
> > +     $(call if_changed_rule,cc_o_c) || \
> > +     { echo $(@:.o=.ko); echo $@; } > $(MODVERDIR)/$(@F:.o=.mod)
> 
> This doesn't work, use ifs instead. Updated.
> I have no idea what to do with generated sources and headers.
> One may be: check target `if_changed' to be %.c or %.h and let it be
> built.

Hi Oleg,

Yes, it works for me, with the exception of host-generated
files, as you mentioned.  I ran into those with:
IKCONFIG (the one that you mentioned), ATM_FORE200E firmware,
IEEE 1394 OUI database (which I sent a patch for -- it should
not be generated when the config option is not enabled),
RAID456 tables, VIDEO_LOGO files, and CRC32 table.

Thanks for your time and effort.  Maybe Sam will have some ideas.

> ____
> From: Oleg Verych <olecom@...wer.upol.cz>
> Subject: [patch, rfc] kbuild: implement checksrc without building Cources
> 
>   Implementation of configured source chacking without actual building.
> 
> Cc: Randy Dunlap <rdunlap@...otime.net>
> Cc: Sam Ravnborg <sam@...nborg.org>
> Signed-off-by: Oleg Verych <olecom@...wer.upol.cz>
> ---
> 
>   Configured sources means, some config target must be run already.
>   After that
>   ,-<shell>
>   | make prepare
>   | make C=something_not_0,1,2 _target_
>   `--
>   should run _target_ with checking and without building.
> 
> -o--=O`C  /. .\
>  #oo'L O      o
> <___=E M    ^--
> 
>  scripts/Kbuild.include |    6 +++---
>  scripts/Makefile.build |   25 ++++++++++++++++---------
>  2 files changed, 19 insertions(+), 12 deletions(-)


---
~Randy
-
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