linux-kernel - Re: [PATCH] Speed up "make headers

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Message-ID: <20080609062332.GA5622@uranus.ravnborg.org>
Date:	Mon, 9 Jun 2008 08:23:32 +0200
From:	Sam Ravnborg <sam@...nborg.org>
To:	David Woodhouse <dwmw2@...radead.org>
Cc:	Mike Frysinger <vapier@...too.org>,
	linux-kbuild <linux-kbuild@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH] Speed up "make headers_*"

On Sun, Jun 08, 2008 at 09:58:54PM +0100, David Woodhouse wrote:
> It doesn't look like headers_check_all will work after your patches --
> but to be fair I don't think it worked _before_ them either. When you
> run headers_install_all, there's no asm/ directory -- and thus the check
> will fail for any headers in linux/ which try to include <asm/*.h>. 

Accidentially I left an older hack in my patch:
+headers_check_all: headers_install headers_install_all
                    ^^^^^^^^^^^^^^^
+       $(Q)$(MAKE) $(hdr-inst)=include HDRCHECK=1


This made us install both to asm/ and asm-x86 (as this is an x86 box).

I will remove this hack before hitting kbuild-next.

	Sam
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