linux-kernel - Re: linux-next: Tree for July 14

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Date:	Wed, 16 Jul 2008 02:23:59 +0200
From:	Takashi Iwai <tiwai@...e.de>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	Glauber Costa <gcosta@...hat.com>, Ingo Molnar <mingo@...e.hu>,
	linux-next@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: linux-next: Tree for July 14

Hi,

another build failure of next-20080714, this time on x86-64:

  AS      arch/x86/lib/csum-copy_64.o
arch/x86/lib/csum-copy_64.S: Assembler messages:
arch/x86/lib/csum-copy_64.S:48: Error: Macro `ignore' was already defined

Indeed, it's defined in asm/dwarf2.h, too.
The patch below fixed the build.


Takashi
---
diff --git a/include/asm-x86/dwarf2.h b/include/asm-x86/dwarf2.h
index 0bfe250..e65e65a 100644
--- a/include/asm-x86/dwarf2.h
+++ b/include/asm-x86/dwarf2.h
@@ -38,23 +38,23 @@
 
 /* Due to the structure of pre-exisiting code, don't use assembler line
    comment character # to ignore the arguments. Instead, use a dummy macro. */
-.macro ignore a=0, b=0, c=0, d=0
+.macro dw_ignore a=0, b=0, c=0, d=0
 .endm
 
-#define CFI_STARTPROC	ignore
-#define CFI_ENDPROC	ignore
-#define CFI_DEF_CFA	ignore
-#define CFI_DEF_CFA_REGISTER	ignore
-#define CFI_DEF_CFA_OFFSET	ignore
-#define CFI_ADJUST_CFA_OFFSET	ignore
-#define CFI_OFFSET	ignore
-#define CFI_REL_OFFSET	ignore
-#define CFI_REGISTER	ignore
-#define CFI_RESTORE	ignore
-#define CFI_REMEMBER_STATE ignore
-#define CFI_RESTORE_STATE ignore
-#define CFI_UNDEFINED ignore
-#define CFI_SIGNAL_FRAME ignore
+#define CFI_STARTPROC	dw_ignore
+#define CFI_ENDPROC	dw_ignore
+#define CFI_DEF_CFA	dw_ignore
+#define CFI_DEF_CFA_REGISTER	dw_ignore
+#define CFI_DEF_CFA_OFFSET	dw_ignore
+#define CFI_ADJUST_CFA_OFFSET	dw_ignore
+#define CFI_OFFSET	dw_ignore
+#define CFI_REL_OFFSET	dw_ignore
+#define CFI_REGISTER	dw_ignore
+#define CFI_RESTORE	dw_ignore
+#define CFI_REMEMBER_STATE dw_ignore
+#define CFI_RESTORE_STATE dw_ignore
+#define CFI_UNDEFINED dw_ignore
+#define CFI_SIGNAL_FRAME dw_ignore
 
 #endif
 
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