On 13.10.2021 12:36, Anthony PERARD wrote:
> On Mon, Oct 11, 2021 at 01:41:16PM +0200, Jan Beulich wrote:
>> On 24.08.2021 12:50, Anthony PERARD wrote:
>>> Signed-off-by: Anthony PERARD <[email protected]>
>>
>> Trying to synthesize a description:
>>
>>> --- a/xen/Makefile
>>> +++ b/xen/Makefile
>>> @@ -382,6 +382,7 @@ _clean:
>>>     $(MAKE) $(clean) test
>>>     $(MAKE) $(kconfig) clean
>>>     find . \( -name "*.o" -o -name ".*.d" -o -name ".*.d2" \
>>
>> This was effectively redundant with ...
>>
>>> +           -o -name ".*.o.tmp" -o -name "*~" -o -name "core" \
>>>             -o -name "*.gcno" -o -name ".*.cmd" -o -name "lib.a" \) -exec 
>>> rm -f {} \;
>>>     rm -f include/asm $(TARGET) $(TARGET).gz $(TARGET).efi 
>>> $(TARGET).efi.map $(TARGET)-syms $(TARGET)-syms.map *~ core
>>>     rm -f asm-offsets.s arch/*/include/asm/asm-offsets.h
>>> diff --git a/xen/scripts/Makefile.clean b/xen/scripts/Makefile.clean
>>> index 027c200c0efc..b6df9e861e6e 100644
>>> --- a/xen/scripts/Makefile.clean
>>> +++ b/xen/scripts/Makefile.clean
>>> @@ -14,10 +14,8 @@ include Makefile
>>>  subdir-all := $(subdir-y) $(subdir-n) $(subdir-) \
>>>                $(patsubst %/,%, $(filter %/, $(obj-y) $(obj-n) $(obj-)))
>>>  
>>> -DEPS_RM = $(DEPS) $(DEPS_INCLUDE)
>>
>> ... this and its use below.
>>
>>>  .PHONY: clean
>>>  clean:: $(subdir-all)
>>> -   rm -f *.o .*.o.tmp *~ core $(DEPS_RM)
>>
>> With the command gone, I think the :: should also be converted (back) to
>> just : then. Then
> 
> "clean" has been a double-column rule for a long time. If we convert
> this rule to a single-column we need to convert all "clean" target to
> use single-column which would make this patch more complicated. So I
> don't think we should make this change.

Hmm, indeed make would complain in that case (I didn't mean to suggest
to convert all clean-s to single-colon rules, but I was instead under
the wrong impression that spelling out merely dependencies would be
okay with single-colon rule). But then make's doc also says "Each
double-colon rule should specify a recipe; if it does not, an implicit
rule will be used if one applies." So perhaps, to avoid depending on
the latter, an empty recipe should be added here (by adding a
semicolon)?

>> Reviewed-by: Jan Beulich <[email protected]>
>>
>> Assuming the patch is independent of the earlier still uncommitted ones
>> (please confirm), I'd be happy to make the adjustment while committing
>> - as long as you agree, of course.
> 
> The patch is independent of earlier one, although the context is changed
> in one patch so wouldn't apply cleaning without git helps.
> (context is changed in "xen: move include/asm-* to arch/*/include/asm")

That would be easy enough to adjust, I guess. But first we need to settle
on the above.

Jan


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