linux-kernel - [PATCH] arch: avr32: Makefile: add '-D__linux_

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Date:	Sat, 01 Feb 2014 20:35:54 +0800
From:	Chen Gang <gang.chen.5i5j@...il.com>
To:	hskinnemoen@...il.com, egtvedt@...fundet.no
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH] arch: avr32: Makefile: add '-D__linux__' flag for gcc-4.4.7
 using.

For avr32 cross compiler, do not define '__linux__' internally, so it
will cause issue with allmodconfig.

The related error:

    CC [M]  fs/coda/psdev.o
  In file included from include/linux/coda.h:64,
                   from fs/coda/psdev.c:45:
  include/uapi/linux/coda.h:221: error: expected specifier-qualifier-list before 'u_quad_t'

The related toolchain version (which only download, not re-compile):

  [root@...en linux-next]# /upstream/toolchain/download/avr32-gnu-toolchain-linux_x86/bin/avr32-gcc -v
  Using built-in specs.
  Target: avr32
  Configured with: /data2/home/toolsbuild/jenkins-knuth/workspace/avr32-gnu-toolchain/src/gcc/configure --target=avr32 --host=i686-pc-linux-gnu --build=x86_64-pc-linux-gnu --prefix=/home/toolsbuild/jenkins-knuth/workspace/avr32-gnu-toolchain/avr32-gnu-toolchain-linux_x86 --enable-languages=c,c++ --disable-nls --disable-libssp --disable-libstdcxx-pch --with-dwarf2 --enable-version-specific-runtime-libs --disable-shared --enable-doc --with-mpfr-lib=/home/toolsbuild/jenkins-knuth/workspace/avr32-gnu-toolchain/avr32-gnu-toolchain-linux_x86/lib --with-mpfr-include=/home/toolsbuild/jenkins-knuth/workspace/avr32-gnu-toolchain/avr32-gnu-toolchain-linux_x86/include --with-gmp=/home/toolsbuild/jenkins-knuth/workspace/avr32-gnu-toolchain/avr32-gnu-toolchain-linux_x86 --with-mpc=/home/toolsbuild/jenkins-knuth/workspace/avr32-gnu-toolchain/avr32-gnu-toolchain-linux_x86 --enable-__cxa_atexit --disable-shared --with-newlib --with-pkgversion=AVR_32_bit_GNU_Toolchain_3.4.2_435 --with-bugurl=http://www
.atmel.com/avr
  Thread model: single
  gcc version 4.4.7 (AVR_32_bit_GNU_Toolchain_3.4.2_435) 

Signed-off-by: Chen Gang <gang.chen.5i5j@...il.com>
---
 arch/avr32/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/avr32/Makefile b/arch/avr32/Makefile
index 22fb665..dba48a5 100644
--- a/arch/avr32/Makefile
+++ b/arch/avr32/Makefile
@@ -11,7 +11,7 @@ all: uImage vmlinux.elf

 KBUILD_DEFCONFIG	:= atstk1002_defconfig

-KBUILD_CFLAGS	+= -pipe -fno-builtin -mno-pic
+KBUILD_CFLAGS	+= -pipe -fno-builtin -mno-pic -D__linux__
 KBUILD_AFLAGS	+= -mrelax -mno-pic
 KBUILD_CFLAGS_MODULE += -mno-relax
 LDFLAGS_vmlinux	+= --relax
-- 
1.7.11.7
--
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