Re: [PATCH] CONFIG_UNWIND_INFO

[Jan Beulich]

>>> Sam Ravnborg <sam@xxxxxxxxxxxx> 14.01.06 15:03:01 >>>
>On Sat, Jan 14, 2006 at 04:56:35AM -0800, Andrew Morton wrote:
>> 
>> > Index: linux/Makefile
>> > ===================================================================
>> > --- linux.orig/Makefile
>> > +++ linux/Makefile
>> > @@ -502,6 +502,10 @@ CFLAGS		+= $(call add-align,CONFIG_CC_AL
>> >  CFLAGS		+= $(call add-align,CONFIG_CC_ALIGN_LOOPS,-loops)
>> >  CFLAGS		+= $(call add-align,CONFIG_CC_ALIGN_JUMPS,-jumps)
>> >  
>> > +ifdef CONFIG_UNWIND_INFO
>> > +CFLAGS		+= -fasynchronous-unwind-tables
>> > +endif
>Is this option available on all gcc's for all archs?
>Otherwise you have to do:
>CFLAGS		+= $(call cc-option,-fasynchronous-unwind-tables,)

Yes, it is (and it has been at least since 3.2.x). Apparently the PPC backend doesn't fully support this...

Jan

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