Kconfig

Kconfig

[David H. Lynch Jr.]

This is probably not the right list for this, but I have a project that 
makes sense to use the configuration system that BareBox, BuildRoot, the 
Linux Kernel and some other things are using.

Where can I find some documentation, information to try to get this 
setup for a new project.

I have gotten part why by just stealing peices from the linux kernel, 
and creating Makefiles and Kconfig's,
But that is not the most efficient approach and doesn't provide lots of 
documentation or detailed understanding.


Pointers would be appreciated.



-- 
Dave Lynch 					  	    DLA Systems
Software Development:  				         Embedded Linux
717.587.7774 	       dhlii@dlasys.net 	  http://www.dlasys.net
Over 25 years' experience in platforms, languages, and technologies too numerous to list.

"Any intelligent fool can make things bigger and more complex... It takes a touch of genius - and a lot of courage to move in the opposite direction."
Albert Einstein


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Kconfig

[gwr]

Hello,

I am working on kernel 2.6.32.38, and I see :

~~~~~~~~~~~~~~~~~~~~~~~~~~

arch/x86/Kconfig, 202 :
=============

config USE_GENERIC_SMP_HELPERS
     def_bool y
     depends on SMP

~~~~~~~~~~~~~~~~~~~~~~~~~~

arch/Kconfig, 112 :
===========

config USE_GENERIC_SMP_HELPERS
     bool

~~~~~~~~~~~~~~~~~~~~~~~~~~

Although we have this in Kconfig documentation,
================================================
A config option can be defined multiple times with the same name, but every
definition can have only a single input prompt and the type must not 
conflict.
================================================

here,
   - the first definition is a child of "Linux Kernel Configuration for 
x86" MainMenu ( arch/x86/Kconfig, 1 )
   - the second definition is a child of "General setup" Menu ( 
init/Kconfig, 24 )

So the hierarchy is different ; Can someone give explanations on this ?

Thx