linux-kernel - Re: Kbuild: how to cleanly retrieve information compilation about the last build

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Date:	Tue, 19 Apr 2011 21:24:27 +0200
From:	Jonathan Neuschäfer <j.neuschaefer@....net>
To:	Francis Moreau <francis.moro@...il.com>
Cc:	Américo Wang <xiyou.wangcong@...il.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Kbuild: how to cleanly retrieve information compilation about
 the last build

On Sun, Apr 17, 2011 at 12:27:29PM +0200, Francis Moreau wrote:
> On Sun, Apr 17, 2011 at 6:57 AM, Américo Wang <xiyou.wangcong@...il.com> wrote:
> > On Sat, Apr 16, 2011 at 10:00 PM, Francis Moreau <francis.moro@...il.com> wrote:
> >> On Sat, Apr 16, 2011 at 10:26 AM, Américo Wang <xiyou.wangcong@...il.com> wrote:
> >>> So why not just put that line into your script?
> >>>
> >>
> >> Because this line was an _example_ of how the makefile could had been invoked.
> >>
> >> But the script has currently no idea how the previous invocation was
> >> made, hence my question.
> >
> > You use a bad design, why not just pass these parameters to your script?
> > Something like,
> >
> > $ ./your_script CC=my-gcc CFLAGS="-g -fwhatever"
> >
> > or whatever you want.
> >
>
> Yes, I think I'll continue to do that.
>
> Thanks

You may also try this little script (call it instead of plain "make"):

	#!/bin/sh

	MAKE=make
	CMDLINE=make.cmdline

	if [ "x$@" != "x" ]; then
		echo -n "$@" > $CMDLINE
		$MAKE "$@"
	else
		if [ -f $CMDLINE ]; then
			$MAKE $(cat $CMDLINE)
		else
			$MAKE
		fi
	fi

thanks,
	Jonathan Neuschäfer
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