Re: [kbuild-devel] Converting the 2.5 kernel to kbuild 2.5

["Eric S. Raymond" <esr@thyrsus.com>]

Keith Owens <kaos@ocs.com.au>:
> Linus, the time has come to convert the 2.5 kernel to kbuild 2.5.  I
> want to do this in separate steps to make it easier for architectures
> that have not been converted yet.
> 
> 2.5.1           Semi-stable kernel, after bio is working.
> 
> 2.5.2-pre1      Add the kbuild 2.5 code, still using Makefile-2.5.
>                 i386, sparc, sparc64 can use either kbuild 2.4 or 2.5,
>                 2.5 is recommended.
>                 ia64 can only use kbuild 2.5.
>                 Other architectures continue to use kbuild 2.4.
>                 Wait 24 hours for any major problems then -
> 
> 2.5.2-pre2      Remove kbuild 2.4 code, rename Makefile-2.5 to Makefile.
>                 i386, ia64, sparc, sparc64 can compile using kbuild 2.5.
>                 Other architectures cannot compile until they convert
>                 to kbuild 2.5.  The kbuild group can help with the
>                 conversion but without access to a machine we cannot
>                 test other architectures.  Until the other archs have
>                 been converted, they can stay on 2.5.2-pre1.
> 
> Doing the change in two steps provides a platform where both kbuild 2.4
> and 2.5 work.  This allows other architectures to parallel test the old
> and new kbuild during their conversion, I found that ability was very
> useful during conversion.
> 
> The CML1 to CML2 conversion comes later, either in 2.5.3 or 2.5.4.
> 
> Linus, is this acceptable?

The schedule I heard from Linus at the kernel summit was that both changes 
were to go in between 2.5.1 and 2.5.2.   I would prefer sooner than later 
because I'm *really* *tired* of maintaining a parallel rulebase.
-- 
		<a href="http://www.tuxedo.org/~esr/">Eric S. Raymond</a>

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