Re: FW: NPTL support on PPC32 (MPC5200) ?

[Jim Freeman <jfree at sovereign dot org>]

The attached script (wrapper/setup to crosstool.sh) gets me
a toolchain sufficient to build the default-config ppc kernel
(2.6.8.1, NPTL, gcc-3.4.2, glibc-2.3.3).

It tweaks the patch Dan references below for a ppc-ism,
then adds a patch (thanks Google!) to mask an issue that
gcc-3.4.2 has with inline functions calling setjmp() ( see
http://mirrors.mathematik.uni-bielefeld.de/pub/linux/suse/ftp.suse.com/pub/projects/powerpc/ftp.linuxppc64.org/pub/people/janis/old/README.20040130
)

The toolchain build fails near the end while linking
build-glibc/elf/sln with undefined references to
`_Unwind_Resume' and `__gcc_personality_v0' (which Google
hints is/was a popular problem, but I don't have time to
track it down).  In any case, 'sln' isn't needed for kernel
building, so it's good enough for me for now.

...jfree
========

On Tue, Oct 12, 2004 at 08:29:58AM -0700, Dan Kegel wrote:
> Hi Stephen,
> to build NPTL, you need to apply 
> contrib/crosstool-0.28-rc34-nptl_fixes.patch
> Then see demo-x86_64-nptl.sh
> 
> Enough people need this that I've been intending for two weeks to merge it 
> asap,
> but I haven't gotten around to it.
> 
> That patch was only tested for x86, but ppc32 shouldn't be any
> harder, right? :-)
> - Dan
> 
> Stephen Warren wrote:
> >Hi. I'm attempting to use your crosstool to build a NPTL capable GLIBC
> >and toolchain for a 32-bit PowerPC target.
...
> >Thanks for any pointers at all!
> >
> >------------------------------------------------------------------------
> >
> >Subject: NPTL support on PPC32 (MPC5200) ?
> >From: "Stephen Warren" <SWarren@nvidia.com>
...
> >My question is - can anybody tell me, or point me at a website that
> >definitively tells me:
> >
> >1) Is NPTL available on PPC at all? I assume so, since I found one of
> >the original announcement of NPTL, which mentions performance on a large
> >SMP PPC system.
...

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