Re: [PATCH] 'make headers_install' kbuild target.

[Adrian Bunk <bunk@stusta.de>]

On Sat, Apr 22, 2006 at 04:28:53PM +0200, Sam Ravnborg wrote:
> > >...
> > 
> > What exactly is the problem with creating the userspace ABI in 
> > include/kabi/ and letting distributions do an
> >   cd /usr/include && ln -s kabi/* .
> > ?
> > 
> > Or with creating the userspace ABI in include/kabi/ and letting 
> > distributions install the subdirs of include/kabi/ directly under 
> > /usr/include?
> > 
> > These are two doable approaches with a new kabi/ that avoid needless 
> > breaking of userspace.
> 
> First off:
> There are many other users that poke direct in the kernel source also.

Kernel space users?
User space users?

Can you give an example of what you are thinking of?

> Secondly and more importantly:
> Introducing kabi/ you will have a half solution where several users will
> have to find their stuff in two places for a longer period.
> kabi/ does not allow you to do it incrementally - it requires you to
> move everything over from a start.
> You may argue that you can just move over a little bit mroe than needed
> but then we ruin the incremental approach.

For kernel space, you can do it incrementally, since the whole kabi/ 
stuff should be transparent for in-kernel uses.

For user space, you need one switch.
But this switch goes from the current mess with several independent 
user space header implementations to one official implementation.

> 	Sam

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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