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From: Keith Owens <kaos@ocs.com.au>
To: Dave Jones <davej@redhat.com>
Cc: Linux Kernel <linux-kernel@vger.kernel.org>, sam@ravnborg.org
Subject: Re: $CHECK can't be overridden
Date: Thu, 22 Mar 2007 16:43:42 +1100	[thread overview]
Message-ID: <12875.1174542222@kao2.melbourne.sgi.com> (raw)
In-Reply-To: Your message of "Thu, 22 Mar 2007 01:37:14 EDT." <20070322053714.GE17159@redhat.com>

Dave Jones (on Thu, 22 Mar 2007 01:37:14 -0400) wrote:
>On Thu, Mar 22, 2007 at 04:26:39PM +1100, Keith Owens wrote:
> > Dave Jones (on Thu, 22 Mar 2007 01:15:25 -0400) wrote:
> > >make help implies that supplying $CHECK on the command line
> > >should override sparse as the checker used when building with C=1
> > >Yet, this doesn't seem to be the case.
> > >
> > >This would be useful for cases where for eg, sparse isn't in
> > >the $PATH, allowing an explicit path to the executable to be
> > >passed in automated build environments.
> > 
> > Works for me.
> > 
> > # make C=1 CHECK=foo
>
>Ah, my bad. I was thinking it was an environment var rather
>than a makefile var.  I was using 'CHECK=foo make bzImage C=1'

The default for 'make' is that environment variables do _not_ override
variables defined in the Makefiles.  You can change that behaviour with
the -e flag, 'CHECK=foo make -e bzImage C=1' should work.  'info make'
recommends against using -e, changing environments can lead to
unexpected side effects.


  reply	other threads:[~2007-03-22  5:43 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-03-22  5:15 Dave Jones
2007-03-22  5:26 ` Keith Owens
2007-03-22  5:37   ` Dave Jones
2007-03-22  5:43     ` Keith Owens [this message]
2007-03-22  7:30 ` Al Viro

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