[Buildroot] [PATCH 03/14] RESEND: handle MMU configuration

[Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>]

On Fri, Oct 09, 2009 at 11:53:43AM +0200, Thomas Petazzoni wrote:
>Le Wed,  7 Oct 2009 23:27:47 +0200,
>Bernhard Reutner-Fischer <rep.dot.nop@gmail.com> a ?crit :
>
>> +config BR2_HAVE_NOMMU
>> +	def_bool n
>> +	# assume that we have an MMU per default.
>
>Maybe we should use BR2_HAVE_MMU, def_bool y. The
>non-not-negative-if-not-options are really hard to understand.

This is a hidden symbol that is (and has to be) only used in this spot.
Everything in real packages is wired up to USE_MMU.
That said, I don't mind if you want to change !! to ''.

>> +config BR2_USE_MMU
>> +	bool "Use MMU"
>> +	default y
>> +	depends on !BR2_HAVE_NOMMU
>> +	help
>> +	  If your target has an MMU and you want to use it
>> +	  then say Y here.
>
>What's the usage of these two new options ?

see how it's odd if one has to split out patches into too fine-grained
pieces? See the arch touchup for the user.
And yes, my initial patch contained
- these knobs
- the configury parts
- actual use of the configury parts