Re: [gentoo-embedded] crossdev & ports questions

[Joakim Tjernlund <joakim.tjernlund@transmode.se>]

Mike Frysinger <vapier@gentoo.org> wrote on 2010/09/20 22:00:25:
>
> On Monday, September 20, 2010 15:00:25 Joakim Tjernlund wrote:
> > I am fiddling with crossdev again and I wonder if there a way to
> > pass different configure options to gcc/binutils vs. glibc?
> > Doing export EXTRA_ECONF="--with-cpu=e300c2" applies
> > to all and glibc bombs with subarch not supported error.
>
> you'd have to use per-package env manually:
> /etc/portage/env/$CATEGORY/$PN
>
> but crossdev likes to clobber this file for you.  so i guess i should extend
> crossdev with --env-xxx options so people can add their own.
>
> > Second, there are not many PowerPC cpus in the ports section
> > of glibc and not mine embedded one either. Is there any
> > alternative ports pkg somewhere that supports more PowerPC
> > cpus?
>
> we take what glibc offers via their glibc-ports package.  personally, i do 0
> embedded powerpc work, so i dont know of any "alternatives" or such.

OK, I was mainly after some decent mem*() functions as the ones provided
usually perform badly for embedded CPUs

>
> if they did exist though, the only way currently to get them transparently
> added would be to make a big patch out of them and then use the user patch
> interface (put patches into /etc/portage/patches/$CATEGORY/$P/).

hmm, maybe I could make up my own dummy ports pkg for my cpu. That way
I could probably make glibc accept my cpu conf too.