linux-kernel - Re: [PATCH] c6x: Makefile: Add -D__linux_

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Date:	Thu, 26 Mar 2015 10:13:00 -0400
From:	Mark Salter <msalter@...hat.com>
To:	Chen Gang <762976180@...com>
Cc:	a-jacquiot@...com,
	"linux-c6x-dev@...ux-c6x.org" <linux-c6x-dev@...ux-c6x.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] c6x: Makefile: Add -D__linux__

On Tue, 2015-03-03 at 06:33 +0800, Chen Gang wrote:
> For gcc5 c6x raw compiler, at present, it may not define __linux__, so
> c6x kernel still needs to define __linux__ just like another archs have
> done. The related error:
> 
>   CC [M]  fs/coda/psdev.o
> In file included from include/linux/coda.h:64:0,
>                  from fs/coda/psdev.c:45:
> include/uapi/linux/coda.h:221:2: error: unknown type name 'u_quad_t'
>   u_quad_t va_size; /* file size in bytes */
>   ^
> include/uapi/linux/coda.h:229:2: error: unknown type name 'u_quad_t'
>   u_quad_t va_bytes; /* bytes of disk space held by file */
>   ^
> include/uapi/linux/coda.h:230:2: error: unknown type name 'u_quad_t'
>   u_quad_t va_filerev; /* file modification number */
>   ^
> 
> Signed-off-by: Chen Gang <gang.chen.5i5j@...il.com>
> ---

Thanks! I added this to the c6x tree for next merge window.

>  arch/c6x/Makefile | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/c6x/Makefile b/arch/c6x/Makefile
> index e72eb34..6b0be67 100644
> --- a/arch/c6x/Makefile
> +++ b/arch/c6x/Makefile
> @@ -8,7 +8,7 @@
>  
>  KBUILD_DEFCONFIG := dsk6455_defconfig
>  
> -cflags-y += -mno-dsbt -msdata=none
> +cflags-y += -mno-dsbt -msdata=none -D__linux__
>  
>  cflags-$(CONFIG_C6X_BIG_KERNEL) += -mlong-calls
>  


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