PPC should not use -fno-builtin (was Re: 2.3.47 imac build?)

[Michael Schmitz]

> >The way it fails booting is a bit entertaining: using BootX 1.1.3, it will
> >show a little more than half a page of messages (arch_exit or similar in
> >the last), then starts drawing funny color fringes on the screen until I
> >reset. Using BootX 1.2b3, it locks up after the first six or so lines of
> >text (before getting to the early console output). 2.3.29 worked fine. Any
> >ideas?
>
> I think I know what's going on:
>
>  - make sure setting the display BAT in arch/ppc/mm/init.c (MMU_Init) is
> commented out, this is a hack and need some alignement tricks to work in
> all cases. It should already be in #if 0/#endif

Check.

>  - in arch/ppc/kernel/pmac_setup.c, comment out the content of the
> function pmac_progress. (Or change pmac_init() so that it sets
> ppc_md.progress to NULL, and set it to pmac_progress only pmac_setup_arch()).

Tried both. I get the arch: exit if I set ppc_md.progress in pmac_setup
arch. Shortly after this output, the color fringe fun starts again.

I'll strip my .config to the bare minimum to narrow this down. Thanks for
getting me this far :-)

	Michael


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