From mboxrd@z Thu Jan  1 00:00:00 1970
From: Sam Ravnborg <sam@ravnborg.org>
Subject: Re: linux-next: build failure
Date: Mon, 30 Jun 2008 18:10:20 +0200
Message-ID: <20080630161020.GA20736@uranus.ravnborg.org>
References: <20080630232248.8d993f1d.sfr@canb.auug.org.au>
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To: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: linux-next@vger.kernel.org, Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@elte.hu>, "H. Peter Anvin" <hpa@zytor.com>

On Mon, Jun 30, 2008 at 11:22:48PM +1000, Stephen Rothwell wrote:
> Hi Sam,
> 
> Today's linux-next build (i386 defconfig) failed like this:
> 
>   GEN     /scratch/sfr/i386_defconfig/Makefile
>   GEN     /scratch/sfr/i386_defconfig/Makefile
>   SYMLINK include/asm -> include/asm-x86
>   Using /scratch/sfr/next as source for kernel
> /bin/sh: include/asm/asm-offsets.h: No such file or directory
> 
> I can only guess that this is a kbuild problem.  The object include directory
> looked like this:
> 
> /scratch/sfr/i386_defconfig/include$ ls -la
> total 24
> drwxr-xr-x   5 sfr users 4096 2008-06-30 23:06 .
> drwxr-xr-x   8 sfr users 4096 2008-06-30 23:06 ..
> lrwxrwxrwx   1 sfr users    7 2008-06-30 23:06 asm -> asm-x86
> drwxr-xr-x   2 sfr users 4096 2008-06-30 23:06 asm-i386
> drwxr-xr-x 184 sfr users 8192 2008-06-30 23:06 config
> drwxr-xr-x   2 sfr users 4096 2008-06-30 23:06 linux

The directory "asm-i386" should have been asm-x86.
My bad.

This fixes it for me:

diff --git a/Makefile b/Makefile
index 9edbdab..f2c181a 100644
--- a/Makefile
+++ b/Makefile
@@ -968,8 +968,8 @@ endef
 define create-symlink
 	if [ ! -L include/asm ]; then                                      \
 			echo '  SYMLINK $@ -> include/asm-$(SRCARCH)';     \
-			if [ ! -d include/asm-$(ARCH) ]; then              \
-				mkdir -p include/asm-$(ARCH);              \
+			if [ ! -d include/asm-$(SRCARCH) ]; then           \
+				mkdir -p include/asm-$(SRCARCH);           \
 			fi;                                                \
 			ln -fsn asm-$(SRCARCH) $@;                         \
 	fi


I have tested arm with O=... but i386 I tested without O=...
and I obviosuly forgot to think when I did the above :-(

I will rebase kbuild-next.git later today to integrate this fix.

	Sam