[klibc] [PATCH] klibc: reproducible builds

[H. Peter Anvin]

On 10/20/2010 03:05 AM, Maciej Żenczykowski wrote:
> Let's try that again, maybe this time the mail will be delivered.
> 
>>>  KLIBCAR          := $(AR)
>>> -KLIBCRANLIB      := $(RANLIB)
>>> +KLIBCAR_cq       := $(KLIBCAR) $(if $(KBUILD_REPRODUCIBLE),Dcq,cq)
>>> +KLIBCAR_crs      := $(KLIBCAR) $(if $(KBUILD_REPRODUCIBLE),Dcrs,crs)
>>> +KLIBCAR_cru      := $(KLIBCAR) $(if $(KBUILD_REPRODUCIBLE),Dcr,cru)
>>
>> Did you mean to drop 'u' here?
> 
> Yeah, Dcru is not valid.
> 
> D means skip (don't generate) timestamps, u means use them (ie.
> add/replace only if newer then existing copy), as such you can't
> combine them...
> 
> This makes using a macro, like you suggested, hard...
> 

Not really, it just means the macro need to specify both directions:

	$(call klibc-ar,cru,Dcr)

(and yes, klibc-ar would be a lot nicer a name than $(invoke-KLIBCAR).

	-hpa