linux-kernel - [PATCH v2] h8300: Makefile: add "-no-warn-mismatch" to linker to avoid linking error.

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Date:	Tue, 27 Aug 2013 13:35:17 +0800
From:	Chen Gang <gang.chen@...anux.com>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Yoshinori Sato <ysato@...rs.sourceforge.jp>,
	James Hogan <james.hogan@...tec.com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Takashi Iwai <tiwai@...e.de>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH v2] h8300: Makefile: add "-no-warn-mismatch" to linker to
 avoid linking error.

Need add "-no-warn-mismatch" to avoid the linking error, or assembly
files which are outside of the "arch/h8300" can not pass compiling.

The related error (allmodconfig for h8300):

  /usr/local/bin/h8300-gchen-elf-ld: h8300 architecture of input file `usr/initramfs_data.o' is incompatible with h8300h output
  /usr/local/bin/h8300-gchen-elf-ld: h8300 architecture of input file `kernel/modsign_certificate.o' is incompatible with h8300h output

The cross-compiler's information:

  [root@...p122 linux-next]# /usr/local/bin/h8300-gchen-elf-ld -v
  GNU ld (GNU Binutils) 2.22
  [root@...p122 linux-next]# /usr/local/bin/h8300-gchen-elf-as -v
  GNU assembler version 2.22 (h8300-gchen-elf) using BFD version (GNU Binutils) 2.22

  [root@...p122 linux-next]# /usr/local/bin/h8300-gchen-elf-gcc -v
  Using built-in specs.
  COLLECT_GCC=/usr/local/bin/h8300-gchen-elf-gcc
  COLLECT_LTO_WRAPPER=/usr/local/libexec/gcc/h8300-gchen-elf/4.8.0/lto-wrapper
  Target: h8300-gchen-elf
  Configured with: ../gcc-4.8.0/configure --target=h8300-gchen-elf --without-header --disable-nls --enable-language=c --disable-threads --disable-shared --enable-werror=no
  Thread model: single
  gcc version 4.8.0 (GCC)


Signed-off-by: Chen Gang <gang.chen@...anux.com>
---
 arch/h8300/Makefile |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/h8300/Makefile b/arch/h8300/Makefile
index a556447..3ad1369 100644
--- a/arch/h8300/Makefile
+++ b/arch/h8300/Makefile
@@ -26,7 +26,7 @@ model-$(CONFIG_ROMKERNEL)	:= rom
 MODEL := $(model-y)
 
 cflags-$(CONFIG_CPU_H8300H)	:= -mh
-ldflags-$(CONFIG_CPU_H8300H)	:= -mh8300helf
+ldflags-$(CONFIG_CPU_H8300H)	:= -mh8300helf -no-warn-mismatch
 cflags-$(CONFIG_CPU_H8S)	:= -ms
 ldflags-$(CONFIG_CPU_H8S)	:= -mh8300self
 
-- 
1.7.7.6
--
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