linux-kernel - Re: [PATCH] openrisc: Makefile: append "-D__linux__" to KBUILD

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Date:	Thu, 01 Aug 2013 11:46:31 +0200
From:	Jonas Bonn <jonas@...thpole.se>
To:	Chen Gang <gang.chen@...anux.com>
CC:	linux@...ts.openrisc.net,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] openrisc: Makefile: append "-D__linux__" to KBUILD_CFLAGS

On 07/31/2013 05:34 AM, Chen Gang wrote:
> Need append "_D__linux__" to KBUILD_CFLAGS, just like some of another
> architectures have done, or 'allmodconfig' can not pass compiling.
>
> The related error:
>
>      CC [M]  fs/coda/psdev.o
>    In file included from include/linux/coda.h:65:0,
>                     from fs/coda/psdev.c:45:
>    include/uapi/linux/coda.h:221:2: error: expected specifier-qualifier-list before 'u_quad_t'
>
> The related compiler information:
>
>    [root@...p122 ~]# /usr/local/bin/or32-linux-gcc -v
>    Using built-in specs.
>    COLLECT_GCC=/usr/local/bin/or32-linux-gcc
>    COLLECT_LTO_WRAPPER=/usr/local/libexec/gcc/or32-linux/4.5.1-or32-1.0rc1/lto-wrapper
>    Target: or32-linux
>    Configured with: ../gcc-openrisc/configure --target=or32-linux --disable-nls --enable-languages=c --without-headers --disable-shared --disable-threads --enable-werror=no
>    Thread model: single
>    gcc version 4.5.1-or32-1.0rc1 (GCC)
>
>
> Signed-off-by: Chen Gang <gang.chen@...anux.com>

Thanks.  Applied.
/Jonas

> ---
>   arch/openrisc/Makefile |    2 +-
>   1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/arch/openrisc/Makefile b/arch/openrisc/Makefile
> index 4739b83..89076a6 100644
> --- a/arch/openrisc/Makefile
> +++ b/arch/openrisc/Makefile
> @@ -24,7 +24,7 @@ OBJCOPYFLAGS    := -O binary -R .note -R .comment -S
>   LDFLAGS_vmlinux :=
>   LIBGCC 		:= $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
>
> -KBUILD_CFLAGS	+= -pipe -ffixed-r10
> +KBUILD_CFLAGS	+= -pipe -ffixed-r10 -D__linux__
>
>   ifeq ($(CONFIG_OPENRISC_HAVE_INST_MUL),y)
>   	KBUILD_CFLAGS += $(call cc-option,-mhard-mul)
>

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