[PATCH 2/5] openrisc: link to libgcc

[Sascha Hauer]

Hi Franck,

Do you think this patch is ok? It was the easiest way for me to get
__ashrdi3. I don't know how exactly you generated the other library
functions.

On Mon, Jun 25, 2012 at 02:44:38PM +0200, Sascha Hauer wrote:
> To get symbols like __ashrdi3.
> 
> Franck started generating these symbols from gcc assembly, which seems
> to be the cleaner approach. The simpler approach for now to get additional
> symbols is to link in libgcc, which is the same as the kernel does.
> 
> Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
> Cc: Franck Jullien <franck.jullien at gmail.com>
> ---
>  arch/openrisc/Makefile |    4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/arch/openrisc/Makefile b/arch/openrisc/Makefile
> index fd8bbbf..1f4b175 100644
> --- a/arch/openrisc/Makefile
> +++ b/arch/openrisc/Makefile
> @@ -1,5 +1,7 @@
>  CPPFLAGS += -D__OR1K__ -ffixed-r10 -mhard-mul -mhard-div
>  
> +LIBGCC          := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
> +
>  board-$(CONFIG_GENERIC) := generic
>  
>  KALLSYMS += --symbol-prefix=_
> @@ -18,4 +20,6 @@ common-y += $(BOARD)
>  common-y += arch/openrisc/lib/
>  common-y += arch/openrisc/cpu/
>  
> +common-y          += $(LIBGCC)
> +
>  lds-y += arch/openrisc/cpu/barebox.lds
> -- 
> 1.7.10
> 
> 

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