linux-kernel - Re: [PATCH] kbuild: Fix destination-y for installed headers

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Date:	Fri, 22 Feb 2013 11:50:26 +0100
From:	Michal Marek <mmarek@...e.cz>
To:	Jesper Nilsson <jesper.nilsson@...s.com>
Cc:	David Howells <dhowells@...hat.com>, linux-kbuild@...r.kernel.org,
	linux-kernel@...r.kernel.org, jespern@...s.com
Subject: Re: [PATCH] kbuild: Fix destination-y for installed headers

On Sat, Feb 02, 2013 at 11:18:35AM +0100, Jesper Nilsson wrote:
> Commit 10b63956fce7f369cc37fd4d994f09bd5203efe4 which plumbed in UAPI
> broke the destination-y functionality of scripts/Makefile.headersinst.
> 
> The variable destination-y is used in a := assignment and so is expanded at
> declaration time, and the include of the Kbuild fragments that set
> destination-y to something is after this time, so it now always expands empty.
> 
> There are no in-tree users of destination-y, but it allows any
> Kbuild-fragment to redirect where headers are installed.
> 
> Just move the assignment of the variable that uses it below the include
> of the Kbuild fragment.
> 
> Signed-off-by: Jesper Nilsson <jesper.nilsson@...s.com>
> Cc: Michal Marek <mmarek@...e.cz>
> Cc: David Howells <dhowells@...hat.com>
> ---
>  Makefile.headersinst |    6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git scripts/Makefile.headersinst scripts/Makefile.headersinst

I applied your patch to kbuild.git#kbuild, but please send -p1 patches
next time.

Michal
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