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SubjectRe: [PATCH] Make m68k cross compile like every other architecture.
On Thu, 11 Oct 2007, Sam Ravnborg wrote:
> On Thu, Oct 11, 2007 at 09:25:19AM +0200, Geert Uytterhoeven wrote:
> > On Wed, 10 Oct 2007, Rob Landley wrote:
> > > From: Rob Landley <rob@landley.net>
> > >
> > > Rip out hardwired cross compiler name assumption that only m68k makes.
> > >
> > > Signed-off-by: Rob Landley <rob@landley.net>
> > > ---
> > > When you cross compile, you have to set the prefix CROSS_COMPILE to your
> > > cross compiler prefix. You need to do this for all targets (arm, mips, ppc,
> > > x86-64 on x86, etc). This is not specific to m68k, and this value is
> > > supplied _to_ the build, not supplied _by_ the build.
> > >
> > > The build shouldn't unconditionally overwrite the existing value of this
> > > variable with one it makes up. It has no idea what I called my cross compiler.
> >
> > The build does not unconditionally overwrite the existing value of this
> > variable. You can specify the name of your cross compiler like this:
> >
> > make CROSS_COMPILE=m68k-linux-
> >
> > BTW, m68k-linux-gnu- is the default name for a m68k cross compiler.
>
> For "make headers_install" this is not good.
> But I see there is confliting usages here.
> 1) current functionality makes it easy to build a cross compiled m68k
>
> Btw. if you did:
> CROSS_COMPILE ?= m68k-linux-
>
> then I could do:
> export CROSS_COMPILE=my-m68k-linux-
> make
>
> and still get the expected result.

That won't work, cfr. http://lkml.org/lkml/2007/5/6/58.

> 2) suggested functionality makes it easy to do make headers_install

This is something completely different (cfr. the other thread handling
it). If `make headers_install' doesn't need the cross compiler, it
should not try to execute it.

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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