next round of build system cleanup - convert package/ to new structure
[openwrt.org/openwrt.git] / include / subdir.mk
blob:a/include/subdir.mk -> blob:b/include/subdir.mk
# debug flags: #
  # Copyright (C) 2007 OpenWrt.org
# #
# d: show subdirectory tree # This is free software, licensed under the GNU General Public License v2.
# t: show added targets # See /LICENSE for more information.
# l: show legacy targets #
   
ifeq ($(DEBUG),all)  
build_debug:=dlt  
else  
build_debug:=$(DEBUG)  
endif  
   
define debug  
$$(findstring $(2),$$(if $$(DEBUG_DIR),$$(if $$(filter $$(DEBUG_DIR)%,$(1)),$(build_debug)),$(build_debug)))  
endef  
   
define warn  
$$(if $(call debug,$(1),$(2)),$$(warning $(3)))  
endef  
   
define warn_eval  
$(call warn,$(1),$(2),$(3) $(4))  
$(4)  
endef  
   
SUBTARGETS:=clean download prepare compile install update refresh prereq SUBTARGETS:=clean download prepare compile install update refresh prereq
   
define subtarget define subtarget
$(call warn_eval,$(1),t,T,$(1)/$(2): $($(1)/) $(foreach bd,$(if $($(1)/builddirs-$(2)),$($(1)/builddirs-$(2)),$($(1)/builddirs)),$(1)/$(bd)/$(2))) $(call warn_eval,$(1),t,T,$(1)/$(2): $($(1)/) $(foreach bd,$(if $($(1)/builddirs-$(2)),$(filter-out .,$($(1)/builddirs-$(2))),$($(1)/builddirs)),$(1)/$(bd)/$(2)))
   
endef endef
   
# Parameters: <subdir> # Parameters: <subdir>
define subdir define subdir
$(call warn,$(1),d,D $(1)) $(call warn,$(1),d,D $(1))
$(foreach bd,$($(1)/builddirs), $(foreach bd,$($(1)/builddirs),
$(call warn,$(1),d,BD $(1)/$(bd)) $(call warn,$(1),d,BD $(1)/$(bd))
$(foreach target,$(SUBTARGETS), $(foreach target,$(SUBTARGETS),
$(call warn_eval,$(1)/$(bd),t,T,$(1)/$(bd)/$(target): $($(1)/$(bd)/$(target)) $(call $(1)//$(target),$(1)/$(bd))) $(call warn_eval,$(1)/$(bd),t,T,$(1)/$(bd)/$(target): $($(1)/$(bd)/$(target)) $(call $(1)//$(target),$(1)/$(bd)))
@+$$(MAKE) -j1 -C $(1)/$(bd) $(target) @+$$(MAKE) -j1 -C $(1)/$(bd) $(target)
   
# legacy targets # legacy targets
$(call warn_eval,$(1)/$(bd),l,T,$(1)/$(bd)-$(target): $(1)/$(bd)/$(target)) $(call warn_eval,$(1)/$(bd),l,T,$(1)/$(bd)-$(target): $(1)/$(bd)/$(target))
) )
) )
$(foreach target,$(SUBTARGETS),$(call subtarget,$(1),$(target))) $(foreach target,$(SUBTARGETS),$(call subtarget,$(1),$(target)))
endef endef
   
# Parameters: <subdir> <name> # Parameters: <subdir> <name> <target>
define stampfile define stampfile
$(1)/stamp:=$(STAGING_DIR)/stampfiles/.$(2)_installed $(1)/stamp-$(3):=$(STAGING_DIR)/stampfiles/.$(2)_$(3)
$(call rdep,$(1),$$($(1)/stamp)) $(call rdep,$(1),$$($(1)/stamp-$(3)),)
   
$$($(1)/stamp): $$($(1)/stamp-$(3)):
@+$(MAKE) $(1)/install @+$(MAKE) $(1)/$(3)
@mkdir -p $$$$(dirname $$($(1)/stamp)) @mkdir -p $$$$(dirname $$($(1)/stamp-$(3)))
@touch $$($(1)/stamp) @touch $$($(1)/stamp-$(3))
.PRECIOUS: $$($(1)/stamp) # work around a make bug .PRECIOUS: $$($(1)/stamp-$(3)) # work around a make bug
   
$(1)//clean:=$(1)/stamp/clean $(1)//clean:=$(1)/stamp-$(3)/clean
$(1)/stamp/clean: FORCE $(1)/stamp-$(3)/clean: FORCE
@rm -f $$($(1)/stamp) @rm -f $$($(1)/stamp-$(3))
   
endef endef
   
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