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#
# Copyright (C) 2007 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
SUBTARGETS:=clean download prepare compile install update refresh prereq
define subtarget
$(call warn_eval,$(1),t,T,$(1)/$(2): $($(1)/) $(foreach bd,$(if $($(1)/builddirs-$(2)),$(filter-out .,$($(1)/builddirs-$(2))),$($(1)/builddirs)),$(1)/$(bd)/$(2)))
endef
# Parameters: <subdir>
define subdir
$(call warn,$(1),d,D $(1))
$(foreach bd,$($(1)/builddirs),
$(call warn,$(1),d,BD $(1)/$(bd))
$(foreach target,$(SUBTARGETS),
$(call warn_eval,$(1)/$(bd),t,T,$(1)/$(bd)/$(target): $($(1)/$(bd)/$(target)) $(call $(1)//$(target),$(1)/$(bd)))
@+$$(MAKE) -j1 -C $(1)/$(bd) $(target)
# legacy targets
$(call warn_eval,$(1)/$(bd),l,T,$(1)/$(bd)-$(target): $(1)/$(bd)/$(target))
)
)
$(foreach target,$(SUBTARGETS),$(call subtarget,$(1),$(target)))
endef
# Parameters: <subdir> <name> <target>
define stampfile
$(1)/stamp-$(3):=$(STAGING_DIR)/stampfiles/.$(2)_$(3)
$(call rdep,$(1),$$($(1)/stamp-$(3)),)
$$($(1)/stamp-$(3)):
@+$(MAKE) $(1)/$(3)
@mkdir -p $$$$(dirname $$($(1)/stamp-$(3)))
@touch $$($(1)/stamp-$(3))
.PRECIOUS: $$($(1)/stamp-$(3)) # work around a make bug
$(1)//clean:=$(1)/stamp-$(3)/clean
$(1)/stamp-$(3)/clean: FORCE
@rm -f $$($(1)/stamp-$(3))
endef
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