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Re: [Xen-devel] [PATCH] build: remove .d files from xen/ on a clean

> On Nov 24, 2015, at 11:30 AM, Jan Beulich <JBeulich@xxxxxxxx> wrote:
>>>> On 24.11.15 at 18:22, <jonathan.creekmore@xxxxxxxxx> wrote:
>>> On Nov 24, 2015, at 11:16 AM, Jonathan Creekmore 
>> <jonathan.creekmore@xxxxxxxxx> wrote:
>>>> On Nov 24, 2015, at 11:07 AM, Jan Beulich <jbeulich@xxxxxxxx> wrote:
>>>>>>> On 24.11.15 at 17:56, <jonathan.creekmore@xxxxxxxxx> wrote:
>>>>> --- a/xen/Makefile
>>>>> +++ b/xen/Makefile
>>>>> @@ -88,7 +88,7 @@ _clean: delete-unfresh-files
>>>>>   $(MAKE) -f $(BASEDIR)/Rules.mk -C xsm clean
>>>>>   $(MAKE) -f $(BASEDIR)/Rules.mk -C crypto clean
>>>>>   $(MAKE) -f $(BASEDIR)/Rules.mk -C arch/$(TARGET_ARCH) clean
>>>>> - rm -f include/asm *.o $(TARGET) $(TARGET).gz $(TARGET).efi 
>>>>> $(TARGET)-syms 
>> *~ core
>>>>> + rm -f include/asm *.o $(TARGET) $(TARGET).gz $(TARGET).efi 
>>>>> $(TARGET)-syms 
>> *~ core $(DEPS)
>>>> Is this really a problem only in xen/ ? The referenced commit clearly
>>>> introduces "stray" *.d files elsewhere. Also there aren't any source
>>>> files in xen/, so I'd expect $(DEPS) to be empty. Please clarify.
>>> So, the files in xen/ were the dependencies files for xen.efi and 
>>> xen-syms that were getting left behind. $(DEPS) appears to always
>>> have â.*.dâ in it, based on me putting an echo into the clean rule to 
>>> print it out. However, looking at this, I am also seeing â.dâ files left
>>> behind in xen/common/compat that I did not notice before.
>> Actually, looking closer at it, xen/common/compat does not appear to be
>> cleaning at all, so I think that is a separate, unrelated issue.
> That would be quite related, as it would be a result of the same
> commit.

Yeah, I now see where that change got introduced. I donât see a clear way of 
those objects files since the build system no longer goes into the 
common/compat directory at
all. The existing clean rules walk all of the subdirectories, cleaning object 
files and dependency
files as it goes. 

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