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Message-ID: <4293456F.8070608@telia.com>
Date: Tue, 24 May 2005 17:17:03 +0200
From: Simon Strandman <simon.strandman@telia.com>
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To: linux-kernel@vger.kernel.org
Subject: 2.6.12-rc4-git7 fails to build on x86_64 if CONFIG_BUG is off.
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Hi!

I don't know if this is a supported configuration, but I tried turning 
off CONFIG_BUG just to see what difference it would make. But it fails 
to build with this error:

  CC      arch/x86_64/kernel/process.o
  CC      arch/x86_64/kernel/semaphore.o
  CC      arch/x86_64/kernel/signal.o
  AS      arch/x86_64/kernel/entry.o
  CC      arch/x86_64/kernel/traps.o
  CC      arch/x86_64/kernel/irq.o
  CC      arch/x86_64/kernel/ptrace.o
  CC      arch/x86_64/kernel/time.o
  CC      arch/x86_64/kernel/ioport.o
  CC      arch/x86_64/kernel/ldt.o
  CC      arch/x86_64/kernel/setup.o
In file included from include/linux/dma-mapping.h:19,
                 from include/asm-generic/pci-dma-compat.h:7,
                 from include/asm/pci.h:94,
                 from include/linux/pci.h:904,
                 from arch/x86_64/kernel/setup.c:39:
include/asm/dma-mapping.h: In function `dma_sync_single_for_cpu':
include/asm/dma-mapping.h:67: varning: implicit deklaration av funktion 
"out_of_line_bug"
  CC      arch/x86_64/kernel/i8259.o
  CC      arch/x86_64/kernel/sys_x86_64.o
  CC      arch/x86_64/kernel/x8664_ksyms.o
In file included from include/linux/dma-mapping.h:19,
                 from include/asm-generic/pci-dma-compat.h:7,
                 from include/asm/pci.h:94,
                 from include/linux/pci.h:904,
                 from arch/x86_64/kernel/x8664_ksyms.c:10:
include/asm/dma-mapping.h: In function `dma_sync_single_for_cpu':
include/asm/dma-mapping.h:67: varning: implicit deklaration av funktion 
"out_of_line_bug"
arch/x86_64/kernel/x8664_ksyms.c: At top level:
arch/x86_64/kernel/x8664_ksyms.c:196: error: conflicting types for 
'out_of_line_bug'
include/asm/dma-mapping.h:67: error: previous implicit declaration of 
'out_of_line_bug' was here
make[1]: *** [arch/x86_64/kernel/x8664_ksyms.o] Fel 1
make: *** [arch/x86_64/kernel] Fel 2

This is with gcc 3.4.3, binutils 2.16 and I have the -ck patch applied. 
It works fine with CONFIG_BUG set to y. My kernel config: 
http://snigel.no-ip.com/~nxsty/linux/config

-- 
Simon Strandman <simon.strandman@telia.com>