Re: [PATCH] 2.5.69 Change to i386 Makefile to distinguish athlons.

From: Sam Ravnborg (sam@ravnborg.org)
Date: Wed May 14 2003 - 15:47:09 EST


On Wed, May 14, 2003 at 02:57:21PM -0400, Jonathan Bastien-Filiatrault wrote:
> It should succesfully set -march=athlon-<type> according to uname -p.
>
> --- linux-2.5.69/arch/i386/Makefile.orig 2003-05-14
> 13:37:19.000000000 -0400
> +++ linux-2.5.69/arch/i386/Makefile 2003-05-14 14:50:03.000000000 -0400
> @@ -23,7 +23,7 @@
> CFLAGS += -pipe
>
> check_gcc = $(shell if $(CC) $(1) -S -o /dev/null -xc /dev/null >
> /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi)
> -
> +get_athlon_type = ${shell case `uname -p` in "* 4 *") echo
> "athlon-4";;*XP*) echo "athlon-xp";;*MP*) echo "athlon-mp";;*) echo
> "athlon";;esac}

This is broken.
You have no guarantee whatsoever that the kernel is being compiled
for the machine where you do the compilation.

        Sam
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