linux-kernel - [PATCH] LLVMLinux: Change DWARF flag to support gcc and clang

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Date:	Sat, 22 Mar 2014 08:50:47 -0700
From:	behanw@...verseincode.com
To:	mmarek@...e.cz
Cc:	linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org,
	dwmw2@...radead.org, pageexec@...email.hu,
	Behan Webster <behanw@...verseincode.com>
Subject: [PATCH] LLVMLinux: Change DWARF flag to support gcc and clang

From: Behan Webster <behanw@...verseincode.com>

Both gcc (well, actually gnu as) and clang support the "-Wa,-gdwarf-2" option
(though clang does not support "-Wa,--gdwarf-2"). Since these flags are equivalent
in meaning, this patch uses the one which is better supported across compilers.

Signed-off-by: Behan Webster <behanw@...verseincode.com>
---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index ef779ec..dc88989 100644
--- a/Makefile
+++ b/Makefile
@@ -641,7 +641,7 @@ endif
 
 ifdef CONFIG_DEBUG_INFO
 KBUILD_CFLAGS	+= -g
-KBUILD_AFLAGS	+= -Wa,--gdwarf-2
+KBUILD_AFLAGS	+= -Wa,-gdwarf-2
 endif
 
 ifdef CONFIG_DEBUG_INFO_REDUCED
-- 
1.8.3.2

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