From cf851aa75694bdcc27a5092b2e45de6dcdc1cfa8 Mon Sep 17 00:00:00 2001
From: Roland McGrath <roland@redhat.com>
Date: Fri, 28 Sep 2007 20:51:58 +0200
Subject: [PATCH] kbuild: pass -g to assembler under CONFIG_DEBUG_INFO

The assembler for a while now supports -gdwarf to generate source line info
just like the C compiler does.  Source-level assembly debugging sounds like an
oxymoron, but it is handy to be able to see the right source file and read its
comments rather than just the disassembly.  This patch enables -gdwarf for
assembly files when CONFIG_DEBUG_INFO=y and the assembler supports the option.

Signed-off-by: Roland McGrath <roland@redhat.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
---
 Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Makefile b/Makefile
index 1b0d84d496128..0ad6e8d9b0b3a 100644
--- a/Makefile
+++ b/Makefile
@@ -502,6 +502,7 @@ endif
 
 ifdef CONFIG_DEBUG_INFO
 CFLAGS		+= -g
+AFLAGS		+= -gdwarf-2
 endif
 
 # Force gcc to behave correct even for buggy distributions
-- 
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