Hi,
For those who have to cope with flat handling of a linux tree in CVS,
and thus never really liked the prepare-kernel.sh approach (which is
fine in other cases), here is some linux/Makefile sugar that can
certainly
be improved:
ifdef XENO_TAG
xenotagspec = -r $(XENO_TAG)
endif
xeno_checkout:
@cd $(srctree)/drivers && cvs checkout $(xenotagspec) -P \
-d xenomai $(XENO_CVS_PATH)/ksrc/drivers
@cd $(srctree)/include && cvs checkout $(xenotagspec) -P \
-d xenomai $(XENO_CVS_PATH)/include
@cd $(srctree)/include/asm-generic && cvs checkout
$(xenotagspec) -P \
-d xenomai
$(XENO_CVS_PATH)/include/asm-generic
@cd $(srctree)/include/asm-$(ARCH) && cvs checkout
$(xenotagspec) -P \
-d xenomai
$(XENO_CVS_PATH)/include/asm-powerpc
@cd $(srctree)/kernel && cvs checkout $(xenotagspec) -P \
-d xenomai $(XENO_CVS_PATH)/ksrc
@cd $(srctree)/arch/$(ARCH) && cvs checkout $(xenotagspec) -P \
-d xenomai
$(XENO_CVS_PATH)/ksrc/arch/powerpc
Rem: replace powerpc by whatever you see fit.
The variable XENO_CVS_PATH *must* be defined for this work:
make xeno_checkout XENO_CVS_PATH=some/where/over/the/rainbow/xenomai
This will mix linux and xenomai CVS trees, without links, and let you
do any cvs action like update, commit, tag, etc. against appropriate
CVS modules.
Of course, the "flat" kernel must have been patched beforehand with
adeos-ipipe patch, and also with the following fragments:
cat xenomai/scripts/Kconfig.frag >> init/Kconfig # + edit
echo "drivers-\$(CONFIG_XENOMAI) += arch/$linux_arch/xenomai/" >>
arch/$linux_arch/Makefile
echo "obj-\$(CONFIG_XENOMAI) += xenomai/" >> drivers/Makefile
echo "obj-\$(CONFIG_XENOMAI) += xenomai/" >> kernel/Makefile
Rem: this is for linux kernel 2.6, and not for the faint of heart.
Maybe a "prepare-kernel.sh --patch-only-for-those-pesky-cvs-users"
would come handy :-)
Comments are welcome.
--
Stephane
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