# debug flags: # # d: show subdirectory tree # t: show added targets # l: show legacy targets ifeq ($(DEBUG),all) build_debug:=dt else build_debug:=$(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)) $(4) endef dep/compile=$(1)/prepare dep/install=$(1)/compile SUBTARGETS:=clean download prepare compile install update refresh prereq # Parameters: 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): $(call dep/$(target),$(1)/$(bd)) $($(1)/$(bd)/$(target)) $($(1)//$(target))) @$$(MAKE) -j1 -C $(1)/$(bd) $(target) # legacy targets $(call warn_eval,$(1)/$(bd),l,T,$(1)/$(bd)-$(target): $(1)/$(bd)/$(target)) ) ) $(foreach target,$(SUBTARGETS), $(call warn_eval,$(1),t,T,$(1)/$(target): $($(1)/) $(foreach bd,$($(1)/builddirs),$(1)/$(bd)/$(target))) ) endef # Parameters: define stampfile $(1)/stamp:=$(STAGING_DIR)/stampfiles/.$(2)_installed $(call rdep,$(1),$$($(1)/stamp)) $$($(1)/stamp): @$(MAKE) $(1)/install @mkdir -p $$$$(dirname $$($(1)/stamp)) @touch $$($(1)/stamp) .PRECIOUS: $$($(1)/stamp) # work around a make bug $(1)//clean:=$(1)/stamp/clean $(1)/stamp/clean: FORCE @rm -f $$($(1)/stamp) endef