linux-kernel - Re: [GIT PATCH] kbuild fixes for 2.6.18

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Date:	Mon, 7 Aug 2006 14:20:21 -0700
From:	Greg KH <greg@...ah.com>
To:	Sam Ravnborg <sam@...nborg.org>
Cc:	Andrew Morton <akpm@...l.org>, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [GIT PATCH] kbuild fixes for 2.6.18

On Mon, Aug 07, 2006 at 11:02:09PM +0200, Sam Ravnborg wrote:
> On Mon, Aug 07, 2006 at 01:42:41PM -0700, Greg KH wrote:
> > On Mon, Aug 07, 2006 at 09:27:09PM +0200, Sam Ravnborg wrote:
> > > Hi Greg.
> > > Please apply to 2.6.18.
> > > 
> > > Pull from:
> > > 
> > > 	git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-2.6.18.git
> > 
> > Thanks, pulled and pushed out.
> > 
> > Oh, I just got a few reports of 2.6.18-rc3 not building with external
> > trees very well, and something like the following would be required:
> > 
> > --- linux-2.6.17/arch/sh/Makefile-dist        2006-08-07 20:42:33.000000000 +0200
> > +++ linux-2.6.17/arch/sh/Makefile     2006-08-07 21:08:26.000000000 +0200
> > @@ -173,7 +173,7 @@
> >  archprepare: maketools include/asm-sh/.cpu include/asm-sh/.mach
> > 
> >  PHONY += maketools FORCE
> > -maketools:  include/linux/version.h FORCE
> > +maketools: $(objtree)/include/linux/version.h FORCE
> > 
> > for all instances of the version.h file.
> This looks bogus.

Ick, ok, thanks.

> Current directory is $(objtree) so prefixing with $(objtree) should not
> be needed and doing so will confuse make. make will not know that
> $(objtree)/include/linux/version.h and include/linux/version.h is the
> same file.
> 
> And the version.h dependency is anyway not needed. kbuild guarantee the
> version.h is created when the commands for archprepare are executed.

Hm, I'll point the person who is having the problem with this at you and
lkml and have him explain the problems he is seeing.  Much easier than
me trying to mediate the conversation :)

thanks,

greg k-h
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