# xen/tools/kconfig

# default rule to do nothing
all:

# Xen doesn't have a silent build flag
quiet := silent_
Q := @
kecho := :

# eventually you'll want to do out of tree builds
srctree := $(XEN_ROOT)/xen
objtree := $(srctree)
src := tools/kconfig
obj := $(src)
KBUILD_SRC :=

# handle functions (most of these lifted from different Linux makefiles
dot-target = $(dir $@).$(notdir $@)
depfile = $(subst $(comma),,$(dot-target).d)
basetarget = $(basename $(notdir $@))
cmd = $(cmd_$(1))
if_changed = $(cmd_$(1))
if_changed_dep = $(cmd_$(1))

define multi_depend
$(foreach m, $(notdir $1), \
	$(eval $(obj)/$m: \
	$(addprefix $(obj)/, $(foreach s, $3, $($(m:%$(strip $2)=%$(s)))))))
endef

# Set our default defconfig file
KBUILD_DEFCONFIG := $(ARCH)_defconfig

# provide our shell
CONFIG_SHELL := $(SHELL)

# provide the host compiler
HOSTCC ?= gcc
HOSTCXX ?= g++

# force target
PHONY += FORCE

FORCE:

# include the original Makefile and Makefile.host from Linux
include $(src)/Makefile
include $(src)/Makefile.host

# clean up rule
clean-deps = $(foreach f,$(host-cobjs) $(host-cxxobjs),$(dir $f).$(notdir $f).d)
clean-shipped = $(patsubst %_shipped,%,$(wildcard $(obj)/*_shipped))

clean:
	rm -rf $(clean-files)
	rm -rf $(clean-deps)
	rm -rf $(host-csingle) $(host-cmulti) $(host-cxxmulti) $(host-cobjs) $(host-cxxobjs)
	rm -rf $(clean-shipped)

$(obj)/zconf%: $(src)/zconf%_shipped
	@cp -f $< $@