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    SubjectRe: `make checkstack' and cross-compilation
    On Tue, 5 Dec 2006, Jeff Dike wrote:
    > On Fri, Dec 01, 2006 at 05:09:17PM +0100, Geert Uytterhoeven wrote:
    > > On Fri, 1 Dec 2006, Jeff Dike wrote:
    > > > And, do you have a cross-compilation environment which tests this?
    > >
    > > Yes :-)
    >
    > Can you test this patch? It works for UML and native x86_64 - if it works
    > for your cross-build, I'll send it in.

    Thanks, works fine for cross-compiling for powerpc.

    Acked-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>

    > Index: linux-2.6.18-mm/Makefile
    > ===================================================================
    > --- linux-2.6.18-mm.orig/Makefile 2006-11-24 14:36:32.000000000 -0500
    > +++ linux-2.6.18-mm/Makefile 2006-12-05 13:08:20.000000000 -0500
    > @@ -1390,12 +1390,18 @@ endif #ifeq ($(mixed-targets),1)
    >
    > PHONY += checkstack kernelrelease kernelversion
    >
    > -# Use $(SUBARCH) here instead of $(ARCH) so that this works for UML.
    > -# In the UML case, $(SUBARCH) is the name of the underlying
    > -# architecture, while for all other arches, it is the same as $(ARCH).
    > +# UML needs a little special treatment here. It wants to use the host
    > +# toolchain, so needs $(SUBARCH) passed to checkstack.pl. Everyone
    > +# else wants $(ARCH), including people doing cross-builds, which means
    > +# that $(SUBARCH) doesn't work here.
    > +ifeq ($(ARCH), um)
    > +CHECKSTACK_ARCH := $(SUBARCH)
    > +else
    > +CHECKSTACK_ARCH := $(ARCH)
    > +endif
    > checkstack:
    > $(OBJDUMP) -d vmlinux $$(find . -name '*.ko') | \
    > - $(PERL) $(src)/scripts/checkstack.pl $(SUBARCH)
    > + $(PERL) $(src)/scripts/checkstack.pl $(CHECKSTACK_ARCH)
    >
    > kernelrelease:
    > $(if $(wildcard include/config/kernel.release), $(Q)echo $(KERNELRELEASE), \

    Gr{oetje,eeting}s,

    Geert

    --
    Geert Uytterhoeven -- Sony Network and Software Technology Center Europe (NSCE)
    Geert.Uytterhoeven@sonycom.com ------- The Corporate Village, Da Vincilaan 7-D1
    Voice +32-2-7008453 Fax +32-2-7008622 ---------------- B-1935 Zaventem, Belgium
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