Re: crosstool and uclibc

[Dan Kegel <dank at kegel dot com>]

Peter van Swieten [prive] wrote:
> > > Can you tell me what my best chance is for building gcc/uClibc for
> > > ppc405?
> >
> > [http://mvpmc.sourceforge.net/dl/mvpmc_toolchain.tar.gz]
>
> I have tried the suggested mvpmc_toolchain.tar.gz and it succesfully
> builds a uClibc gcc version. A simple hello world program works.
>
> Building busybox is succesfull too.
>
> Using busybox is something else. It regularly generates "illegal
> instruction". I tried building with another combination of GCC/GLIBC. Same
> problem. Looks like GCC 3.3.xx generates opcodes for PPC that are not in
> my 405 even though I specified 405.

Which version of busybox did you build?  How did you build it?

> I also noted that crossbuilding is heavily dependant on the Linux
> distribution used. 

It should not be.   Crossbuilding should be totally independent
of the distribution you're running.

> > > > > Can you tell me what my best chance is for building gcc/uClibc for
> > > > > ppc405?
> > > >
> > > > Get http://www.kegel.com/crosstool/crosstool-0.28-rc5.tar.gz
> > > > unpack it
> > > > patch it with
> > > > http://www.kegel.com/crosstool/crosstool-0.28-rc36/contrib/crosstool-uclibc-0.28-rc5-ter.patch
> > > >
> > > > Don't know if it'll work properly for ppc405, but it's worth a shot.
> > >
> > > There's a script @ http://mvpmc.sourceforge.net/idx.php?pg=faq#q3 which
> > > will
> > > automatically build a gcc crosscompiler for uclibc on ppc405.
> >
> > Thanks for the tip.  That FAQ points to
> > http://mvpmc.sourceforge.net/dl/mvpmc_toolchain.tar.gz
> > Turns out that script automates exactly what I described!
> > It adds two things: a patch for uClibc, and a config file
> > for uClibc.  Those might come in handy when we bring crosstool up to date
> > for uclibc.
> > - Dan
> >
> > --
> > My technical stuff: http://kegel.com
> > My politics: see http://www.misleader.org for examples of why I'm for
> > regime change


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