Re: [PATCH 2/5] configure.ac, arch/x86_64: handle x32 as subarch of x86_64 and don't specify -mcmodel=large there

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On Fri, Oct 09, 2020 at 05:39:42PM +0200, Ahelenia Ziemiańska wrote:
> Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@xxxxxxxxxxxxxxxxxx>
> ---
>  configure.ac                   | 8 ++++++++
>  purgatory/arch/x86_64/Makefile | 2 ++
>  2 files changed, 10 insertions(+)
> 
> diff --git a/configure.ac b/configure.ac
> index f025823..4e8f7c5 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -54,6 +54,14 @@ case $target_cpu in
>  		;;
>  	ia64|x86_64|alpha|m68k )
>  		ARCH="$target_cpu"
> +		case $target in
> +			*x32 )
> +				SUBARCH="x32"
> +				;;
> +			* )
> +				SUBARCH=""
> +				;;
> +		esac

Is x32 value only for x86_64 or ia64, x886_64, alpha and m68k as
seems to be implied by this change?

Also, could you let me know how to exercise compiling this changeset?

Thanks

>  		;;
>  	hppa*)
>  		ARCH="hppa"
> diff --git a/purgatory/arch/x86_64/Makefile b/purgatory/arch/x86_64/Makefile
> index 7300937..b0e277a 100644
> --- a/purgatory/arch/x86_64/Makefile
> +++ b/purgatory/arch/x86_64/Makefile
> @@ -23,4 +23,6 @@ x86_64_PURGATORY_SRCS += purgatory/arch/i386/console-x86.c
>  x86_64_PURGATORY_SRCS += purgatory/arch/i386/vga.c
>  x86_64_PURGATORY_SRCS += purgatory/arch/i386/pic.c
>  
> +ifneq ($(SUBARCH),x32)
>  x86_64_PURGATORY_EXTRA_CFLAGS = -mcmodel=large
> +endif
> -- 
> 2.28.0
> 



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