linux-kernel - [PATCH 1/1] nds32: Fix gcc 8.0 compiler option incompatible.

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Message-ID: <6f54200ae5c132634ede74df536a547e134554c2.1539654583.git.nickhu@andestech.com>
Date:   Thu, 18 Oct 2018 16:37:55 +0800
From:   Nickhu <nickhu@...estech.com>
To:     <greentime@...estech.com>, <linux-kernel@...r.kernel.org>,
        <arnd@...db.de>, <zong@...estech.com>, <deanbo422@...il.com>
CC:     Nickhu <nickhu@...estech.com>, <green.hu@...il.com>
Subject: [PATCH 1/1] nds32: Fix gcc 8.0 compiler option incompatible.

	When the kernel configs of ftrace and frame pointer options are
choosed, the compiler option of kernel will incompatible.
	Error message:
		nds32le-linux-gcc: error: -pg and -fomit-frame-pointer are incompatible

Signed-off-by: Nickhu <nickhu@...estech.com>
Signed-off-by: Zong Li <zong@...estech.com>
---
 arch/nds32/mm/Makefile | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/arch/nds32/mm/Makefile b/arch/nds32/mm/Makefile
index 6b6855852223..7c5c15ad854a 100644
--- a/arch/nds32/mm/Makefile
+++ b/arch/nds32/mm/Makefile
@@ -4,4 +4,8 @@ obj-y				:= extable.o tlb.o \
 
 obj-$(CONFIG_ALIGNMENT_TRAP)	+= alignment.o
 obj-$(CONFIG_HIGHMEM)           += highmem.o
-CFLAGS_proc-n13.o		+= -fomit-frame-pointer
+
+ifdef CONFIG_FUNCTION_TRACER
+CFLAGS_REMOVE_proc.o     = $(CC_FLAGS_FTRACE)
+endif
+CFLAGS_proc.o              += -fomit-frame-pointer
-- 
2.17.0