[LV] Status of the toolchain build scripts?

[Jan-Benedict Glaw]

On Mon, 2007-06-18 14:42:23 +0200, Mikkel Lauritsen <mikkel-vax at tala.dk> wrote:
> Jan-Benedict Glaw <jbglaw at lug-owl.de> wrote:
> > > Unfortunately the GIT kernel compile dies with the same internal
> > > compiler error in GCC as the kernel from SF.net CVS:
> > >
> > > include/linux/byteorder/swab.h: In function '__fswab16':
> > > include/linux/byteorder/swab.h:136: internal compiler error: in
> > > optimize_inline_calls, at tree-inline.c:2842
> > >
> > > Has anybody else seen this as well? Should I try using another version
> > > of GCC as baseline?
> >
> > Hmm, I guess it's the -f{,no-}unit-at-a-time thingie; try to drop it
> > from arch/vax/Makefile .
> 
> Thanks - that made the compile continue, but unfortunately not for long;
> the assembler pretty quickly bites the dust because glibc detects memory
> corruption while compiling arch/vax/kernel/signal.c .

This looks like being somewhat easy to debug. Was the compiler build
with debugging support? In that case:

$ make V=1

-> Copy the gcc command and run it by hand, with `-v' added.

GCC will then print out the actual cc1 call.

gdb /path/to/cc1
>run <command line arguments from above here>

Once it bites into the dust, "bt" or "bt full", maybe we can see
something.

> As far as I can see we're not patching as, so would it make sense
> reporting it as a bug against GCC?

Maybe. But we'd better first see if its a problem inside the
VAX-specific bits. It's not nice to report bugs after applying a
number of patches...

MfG, JBG

-- 
      Jan-Benedict Glaw      jbglaw at lug-owl.de              +49-172-7608481
Signature of:               Träume nicht von Dein Leben: Lebe Deinen Traum!
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