linux-kernel - Re: [PATCH v2] microblaze: Fix Makefile to delete build generated files

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Message-ID: <4B9F64F5.7050205@monstr.eu>
Date:	Tue, 16 Mar 2010 12:01:09 +0100
From:	Michal Simek <monstr@...str.eu>
To:	Michal Simek <monstr@...str.eu>, linux-kernel@...r.kernel.org,
	microblaze-uclinux@...e.uq.edu.au, sam@...nborg.org,
	Michal Marek <mmarek@...e.cz>
Subject: Re: [PATCH v2] microblaze: Fix Makefile to delete build generated
 files

Arun Bhanu wrote:
> Adding Cc: Michal Marek <mmarek@...e.cz> who is the Kbuild maintainer.
> 
> * Michal Simek (monstr@...str.eu) wrote:
>> Arun Bhanu wrote:
>>> 'make clean' does not to delete the following build generated file:
>>> 	arch/microblaze/boot/linux.bin.ub
>>>
>>> 'make mrproper' does not to delete the following build generated files:
>>> 	arch/microblaze/boot/simpleImage.*
>>>
>>> Fix the Makefile to delete these build generated files.
>>>
>>> See [1] for a discussion on why simpleImage.* files are deleted with 'make
>>> mrproper' and not with 'make clean'.
>>> 	[1] http://lkml.org/lkml/2010/3/12/96
>>>
>>> Signed-off-by: Arun Bhanu <arun@...nu.net>
>>> ---
>>>  arch/microblaze/Makefile      |    2 ++
>>>  arch/microblaze/boot/Makefile |    2 +-
>>>  2 files changed, 3 insertions(+), 1 deletions(-)
>>>
>>> diff --git a/arch/microblaze/Makefile b/arch/microblaze/Makefile
>>> index d2d6cfc..36926b9 100644
>>> --- a/arch/microblaze/Makefile
>>> +++ b/arch/microblaze/Makefile
>>> @@ -93,3 +93,5 @@ define archhelp
>>>    echo '  name of a dts file from the arch/microblaze/boot/dts/ directory'
>>>    echo '  (minus the .dts extension).'
>>>  endef
>>> +
>>> +MRPROPER_FILES += $(boot)/simpleImage.*
>> I personally don't like that this line is in main arch Makefile but I  
>> saw that other archs have it too. Will be better to have it only in boot  
>> folder but I don't know if is possible to do that.
>> Sam: What do you think?
> 
> From my limited understanding of Kbuild, it only includes the top
> level Makefile of each architecture. In our case
> arch/microblaze/Makefile. If we define MRPROPER_FILES variable in
> arch/microblaze/boot/Makefile Kbuild will not evaluate it.

yes, it won't I checked it. It was just idea that will be good to have 
it in correct location but I am ok with it.


> 
>>
>>> diff --git a/arch/microblaze/boot/Makefile b/arch/microblaze/boot/Makefile
>>> index 902cf98..a1fc324 100644
>>> --- a/arch/microblaze/boot/Makefile
>>> +++ b/arch/microblaze/boot/Makefile
>>> @@ -64,4 +64,4 @@ $(obj)/%.dtb: $(dtstree)/%.dts FORCE
>>>   clean-kernel += linux.bin linux.bin.gz simpleImage.*
>>>  -clean-files += *.dtb simpleImage.*.unstrip
>>> +clean-files += *.dtb simpleImage.*.unstrip linux.bin.ub
>> Could you please take a look at clean-kernel option too?
>> I think we can simple remove it. It should be any ancient code from powerpc.
> 
> Yeah, I think we can safely remove the "clean-kernel" variable as it is
> not used by Kbuild infrastructure.

ok. I will wait if someone post any other comment and I will do this 
change and incorporate it to your patch.

Michal

> 
>> Thanks,
>> Michal
>>
>>
>>
>>
>> -- 
>> Michal Simek, Ing. (M.Eng)
>> w: www.monstr.eu p: +42-0-721842854
>> Maintainer of Linux kernel 2.6 Microblaze Linux - http://www.monstr.eu/fdt/
>> Microblaze U-BOOT custodian
>> --
>> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
>> the body of a message to majordomo@...r.kernel.org
>> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>> Please read the FAQ at  http://www.tux.org/lkml/
> 
> -Arun


-- 
Michal Simek, Ing. (M.Eng)
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel 2.6 Microblaze Linux - http://www.monstr.eu/fdt/
Microblaze U-BOOT custodian
--
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