linux-kernel - Re: linux-next: build failure after merge of the kbuild tree

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Date:	Mon, 25 Feb 2013 21:58:45 +1100
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Michal Marek <mmarek@...e.cz>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Michael Grzeschik <m.grzeschik@...gutronix.de>
Subject: Re: linux-next: build failure after merge of the kbuild tree

Hi Michal,

On Mon, 25 Feb 2013 11:28:40 +0100 Michal Marek <mmarek@...e.cz> wrote:
>
> On 25.2.2013 00:56, Stephen Rothwell wrote:
> > 
> > After merging the kbuild tree, today's linux-next build (powerpc
> > ppc64_defconfig) failed like this:
> > 
> > scripts/link-vmlinux.sh: line 135: .: .config: file not found
> > 
> > Presumably caused by commit 03b25b47e0f4 ("scripts/link-vmlinux.sh:
> > source variables from KCONFIG_CONFIG").
> 
> Strange, I did a couple of testbuilds before pushing the new branch.
> Wild guess: what version of what shell are you using on the
> buildmachine? It is probably the missing ./ that makes the difference.

I am using a Debian Testing machine (its not quite up to date):

----------------------------------------------------------------------
$ ls -l /bin/sh
lrwxrwxrwx 1 root root 4 Jul  7  2010 /bin/sh -> bash
$ bash --version
GNU bash, version 4.2.20(1)-release (x86_64-pc-linux-gnu)
Copyright (C) 2011 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>

This is free software; you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
----------------------------------------------------------------------

I am also using a cross compiler and O= on the command line if that
matters.  '.' is not in my path and .config is not executable.  If I cd
to the object directory, then ". .config" works fine.

But bash in sh mode does not work:

$ cat xtst.sh
#!/bin/sh

cd /scratch/sfr/powerpc_ppc64_defconfig

. .config

exit 0
$ ./xtst.sh
./xtst.sh: line 5: .: .config: file not found
$ ls -l /scratch/sfr/powerpc_ppc64_defconfig/.config
-rw-r--r-- 1 sfr users 79005 Feb 25 15:45 /scratch/sfr/powerpc_ppc64_defconfig/.config

Changing the ". .config" to ". ./.config" makes it work.

Anything else?

-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au

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