linux-kernel - [PATCH] powerfc fix for assembler -g

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Message-Id: <20070810230311.34CFFD0136@magilla.localdomain>
Date:	Fri, 10 Aug 2007 16:03:11 -0700 (PDT)
From:	Roland McGrath <roland@...hat.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org, linuxppc-dev@...abs.org
Subject: [PATCH] powerfc fix for assembler -g

ppc64 does the unusual thing of using #include on a compiler-generated
assembly file (lparmap.s) from an assembly source file (head_64.S).
This runs afoul of my recent patch to pass -gdwarf2 to the assembler
under CONFIG_DEBUG_INFO.  This patch avoids the problem by disabling
DWARF generation (-g0) when producing lparmap.s.

Signed-off-by: Roland McGrath <roland@...hat.com>
---
 arch/powerpc/kernel/Makefile |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile
index f39a72f..b0cb2e6 100644
--- a/arch/powerpc/kernel/Makefile
+++ b/arch/powerpc/kernel/Makefile
@@ -81,6 +81,7 @@ obj-y				+= iomap.o
 endif
 
 ifeq ($(CONFIG_PPC_ISERIES),y)
+CFLAGS_lparmap.s		+= -g0
 extra-y += lparmap.s
 $(obj)/head_64.o:	$(obj)/lparmap.s
 AFLAGS_head_64.o += -I$(obj)
-
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