Merge "Revert "Revert "Target dist files not dist goals."""

define __share-projects-rule

$(1) : PRIVATE_TARGETS := $(2)

$(1) : PRIVATE_ARGUMENT_FILE := $(call intermediates-dir-for,METAPACKAGING,codesharing)/$(1)/arguments

$(1): $(2) $(COMPLIANCE_LISTSHARE)

	$(hide) rm -f $$@

	mkdir -p $$(dir $$@)

	mkdir -p $$(dir $$(PRIVATE_ARGUMENT_FILE))

	$$(if $$(strip $$(PRIVATE_TARGETS)),$$(call dump-words-to-file,$$(PRIVATE_TARGETS),$$(PRIVATE_ARGUMENT_FILE)))

	$$(if $$(strip $$(PRIVATE_TARGETS)),OUT_DIR=$(OUT_DIR) $(COMPLIANCE_LISTSHARE) -o $$@ @$$(PRIVATE_ARGUMENT_FILE),touch $$@)

	$$(if $$(strip $$(PRIVATE_TARGETS)),OUT_DIR=$(OUT_DIR) $(COMPLIANCE_LISTSHARE) -o $$@ $$(PRIVATE_TARGETS),touch $$@)

endef

# build list of projects to share in $(1) for dist targets in $(2)

# build list of projects to share in $(1) for meta_lic in $(2)

#

# $(1): the intermediate project sharing file

# $(2): the dist files to base the sharing on

# $(2): the license metadata to base the sharing on

define _share-projects-rule

$(eval $(call __share-projects-rule,$(1),$(call corresponding-license-metadata,$(2))))

$(eval $(call __share-projects-rule,$(1),$(2)))

endef

.PHONY: alllicensetexts

	$$(if $$(strip $$(PRIVATE_TARGETS)),OUT_DIR=$(OUT_DIR) $(TEXTNOTICE) -o $$@ @$$(PRIVATE_ARGUMENT_FILE),touch $$@)

endef

# build list of projects to share in $(2) for dist targets in $(3) for dist goal $(1)

# build list of projects to share in $(2) for meta_lic in $(3) for dist goals $(1)

# Strip `out/dist/` used as proxy for 'DIST_DIR'

#

# $(1): the name of the dist goal

# $(1): the name of the dist goals

# $(2): the intermediate project sharing file

# $(3): the dist files to base the sharing on

# $(3): the license metadata to base the sharing on

define _license-texts-rule

$(eval $(call __license-texts-rule,$(1),$(2),$(call corresponding-license-metadata,$(3)),$(sort $(dir $(3)))))

$(eval $(call __license-texts-rule,$(1),$(2),$(3),out/dist/))

endef

###########################################################

## License metadata build rule for dist target $(1) with meta_lic $(2) copied from $(3)

###########################################################

define _dist-target-license-metadata-rule

$(strip $(eval _meta :=$(2)))

$(strip $(eval _dep:=))

# 0p is the indicator for a non-copyrightable file where no party owns the copyright.

# i.e. pure data with no copyrightable expression.

# If all of the sources are 0p and only 0p, treat the copied file as 0p. Otherwise, all

# of the sources must either be 0p or originate from a single metadata file to copy.

$(strip $(foreach s,$(strip $(3)),\

  $(eval _dmeta:=$(ALL_TARGETS.$(s).META_LIC))\

  $(if $(strip $(_dmeta)),\

    $(if $(filter-out 0p,$(_dep)),\

      $(if $(filter-out $(_dep) 0p,$(_dmeta)),\

        $(error cannot copy target from multiple modules: $(1) from $(_dep) and $(_dmeta)),\

        $(if $(filter 0p,$(_dep)),$(eval _dep:=$(_dmeta)))),\

      $(eval _dep:=$(_dmeta))\

    ),\

    $(eval TARGETS_MISSING_LICENSE_METADATA += $(s) $(1)))))

ifeq (0p,$(strip $(_dep)))

# Not copyrightable. No emcumbrances, no license text, no license kind etc.

$(_meta): PRIVATE_CONDITIONS := unencumbered

$(_meta): PRIVATE_SOURCES := $(3)

$(_meta): PRIVATE_INSTALLED := $(1)

# use `$(1)` which is the unique and relatively short `out/dist/$(target)`

$(_meta): PRIVATE_ARGUMENT_FILE := $(call intermediates-dir-for,METAPACKAGING,notice)/$(1)/arguments

$(_meta): $(BUILD_LICENSE_METADATA)

$(_meta) :

	rm -f $$@

	mkdir -p $$(dir $$@)

	mkdir -p $$(dir $$(PRIVATE_ARGUMENT_FILE))

	$$(call dump-words-to-file,\

	    $$(addprefix -c ,$$(PRIVATE_CONDITIONS))\

	    $$(addprefix -s ,$$(PRIVATE_SOURCES))\

	    $$(addprefix -t ,$$(PRIVATE_TARGETS))\

	    $$(addprefix -i ,$$(PRIVATE_INSTALLED)),\

	    $$(PRIVATE_ARGUMENT_FILE))

	OUT_DIR=$(OUT_DIR) $(BUILD_LICENSE_METADATA) \

	  @$$(PRIVATE_ARGUMENT_FILE) \

	  -o $$@

else ifneq (,$(strip $(_dep)))

# Not a missing target, copy metadata and `is_container` etc. from license metadata file `$(_dep)`

$(_meta): PRIVATE_DEST_TARGET := $(1)

$(_meta): PRIVATE_SOURCE_TARGETS := $(3)

$(_meta): PRIVATE_SOURCE_METADATA := $(_dep)

# use `$(1)` which is the unique and relatively short `out/dist/$(target)`

$(_meta): PRIVATE_ARGUMENT_FILE := $(call intermediates-dir-for,METAPACKAGING,copynotice)/$(1)/arguments

$(_meta) : $(_dep) $(COPY_LICENSE_METADATA)

	rm -f $$@

	mkdir -p $$(dir $$@)

	mkdir -p $$(dir $$(PRIVATE_ARGUMENT_FILE))

	$$(call dump-words-to-file,\

	    $$(addprefix -i ,$$(PRIVATE_DEST_TARGET))\

	    $$(addprefix -s ,$$(PRIVATE_SOURCE_TARGETS))\

	    $$(addprefix -d ,$$(PRIVATE_SOURCE_METADATA)),\

	    $$(PRIVATE_ARGUMENT_FILE))

	OUT_DIR=$(OUT_DIR) $(COPY_LICENSE_METADATA) \

	  @$$(PRIVATE_ARGUMENT_FILE) \

	  -o $$@

endif

endef

# use `out/dist/` as a proxy for 'DIST_DIR'

define _add_projects_to_share

$(strip $(eval _mdir := $(call intermediates-dir-for,METAPACKAGING,meta)/out/dist)) \

$(strip $(eval _idir := $(call intermediates-dir-for,METAPACKAGING,shareprojects))) \

$(strip $(eval _tdir := $(call intermediates-dir-for,METAPACKAGING,licensetexts))) \

$(strip $(eval _goals := $(sort $(_all_dist_goals)))) \

$(strip $(eval _opairs := $(sort $(_all_dist_goal_output_pairs)))) \

$(strip $(eval _dpairs := $(sort $(_all_dist_src_dst_pairs)))) \

$(strip $(eval _allt :=)) \

$(foreach goal,$(_goals), \

  $(eval _f := $(_idir)/$(goal).shareprojects) \

  $(eval _n := $(_tdir)/$(goal).txt) \

  $(call dist-for-goals,$(goal),$(_f):shareprojects/$(basename $(notdir $(_f)))) \

  $(call dist-for-goals,$(goal),$(_n):licensetexts/$(basename $(notdir $(_n)))) \

  $(eval _targets :=) \

  $(foreach op,$(filter $(goal):%,$(_opairs)),$(foreach p,$(filter %:$(call word-colon,2,$(op)),$(_dpairs)),$(eval _targets += $(call word-colon,1,$(p))))) \

  $(eval _allt += $(_targets)) \

  $(eval $(call _share-projects-rule,$(_f),$(_targets))) \

  $(eval $(call _license-texts-rule,$(goal),$(_n),$(_targets))) \

$(strip $(eval _allt := $(sort $(foreach goal,$(_all_dist_goal_output_pairs),$(call word-colon,2,$(goal)))))) \

$(foreach target,$(_allt), \

  $(eval _goals := $(sort $(foreach dg,$(filter %:$(target),$(_all_dist_goal_output_pairs)),$(call word-colon,1,$(dg))))) \

  $(eval _srcs := $(sort $(foreach sdp,$(filter %:$(target),$(_all_dist_src_dst_pairs)),$(call word-colon,1,$(sdp))))) \

  $(eval $(call _dist-target-license-metadata-rule,out/dist/$(target),$(_mdir)/out/dist/$(target).meta_lic,$(_srcs))) \

  $(eval _f := $(_idir)/$(target).shareprojects) \

  $(eval _n := $(_tdir)/$(target).txt) \

  $(eval $(call dist-for-goals,$(_goals),$(_f):shareprojects/$(target).shareprojects)) \

  $(eval $(call dist-for-goals,$(_goals),$(_n):licensetexts/$(target).txt)) \

  $(eval $(call _share-projects-rule,$(_f),$(foreach t, $(filter-out $(TARGETS_MISSING_LICENSE_METADATA),out/dist/$(target)),$(_mdir)/$(t).meta_lic))) \

  $(eval $(call _license-texts-rule,$(_goals),$(_n),$(foreach t,$(filter-out $(TARGETS_MISSING_LICENSE_METADATA),out/dist/$(target)),$(_mdir)/$(t).meta_lic))) \

)

endef