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    SubjectRe: `make checkstack' and cross-compilation
    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.

    Jeff

    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), \

    --
    Work email - jdike at linux dot intel dot com
    -
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