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

Eric S. Raymond
2001-12-03T08:51:34Z

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.
--
Eric S. Raymond

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