Hi Sam,
On Thu, Apr 12, 2012 at 22:07, Sam Ravnborg <sam@xxxxxxxxxxxx> wrote:
> Could you try this:
>
> cc-disable-opt = $(call try-run,\
> $(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) -f$(strip $(1)) -c -xc /dev/null -o "$TMP",-fno-$(strip $(1)))
>
> KBUILD_CFLAGS += $(call cc-disable-opt, ipa-cp-clone)
>
>
> It will try if "gcc -fipa-cp-clone" is supported,
> and add -fno-ipa-cp-clone in that case.
Unfortunately not:
m68k-linux-gnu-gcc -Wp,-MD,kernel/.bounds.s.d -nostdinc -isystem
/usr/lib/gcc/m68k-linux-gnu/4.1.2/include
-I/scratch/geert/linux/linux-next/arch/m68k/include
Iarch/m68k/include/generated -Iinclude -include
/scratch/geert/linux/linux-next/include/linux/kconfig.h -D__KERNEL__
-Wall -Wundef -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing
-fno-common -Werror-implicit-function-declaration -Wno-format-security
-fno-delete-null-pointer-checks -Os -fno-reorder-blocks
-fno-ipa-cp-clone -pipe -fno-strength-reduce -ffixed-a2
-fno-omit-frame-pointer -fno-optimize-sibling-calls -g
-D"KBUILD_STR(s)=#s" -D"KBUILD_BASENAME=KBUILD_STR(bounds)"
-D"KBUILD_MODNAME=KBUILD_STR(bounds)" -fverbose-asm -S -o
kernel/bounds.s kernel/bounds.c
cc1: error: unrecognized command line option "-fno-ipa-cp-clone"
make[1]: *** [kernel/bounds.s] Error 1
make: *** [prepare0] Error 2
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
--
To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
