platform_build/core/distdir.mk
Bob Badour 1fd4bda634 Create lists of projects to share per dist target
Bug: 151177513
Bug: 213388645
Bug: 210912771

Test: m droid dist reportmissinglicenses
Change-Id: I23ee3a983c205ee2a62e47edc2039b7cc713c420
2022-04-13 11:27:59 -07:00

128 lines
4.8 KiB
Makefile

#
# Copyright (C) 2007 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# When specifying "dist", the user has asked that we copy the important
# files from this build into DIST_DIR.
# list of all goals that depend on any dist files
_all_dist_goals :=
# pairs of goal:distfile
_all_dist_goal_output_pairs :=
# pairs of srcfile:distfile
_all_dist_src_dst_pairs :=
# Other parts of the system should use this function to associate
# certain files with certain goals. When those goals are built
# and "dist" is specified, the marked files will be copied to DIST_DIR.
#
# $(1): a list of goals (e.g. droid, sdk, ndk). These must be PHONY
# $(2): the dist files to add to those goals. If the file contains ':',
# the text following the colon is the name that the file is copied
# to under the dist directory. Subdirs are ok, and will be created
# at copy time if necessary.
define dist-for-goals
$(if $(strip $(2)), \
$(eval _all_dist_goals += $$(1))) \
$(foreach file,$(2), \
$(eval src := $(call word-colon,1,$(file))) \
$(eval dst := $(call word-colon,2,$(file))) \
$(if $(dst),,$(eval dst := $$(notdir $$(src)))) \
$(eval _all_dist_src_dst_pairs += $$(src):$$(dst)) \
$(foreach goal,$(1), \
$(eval _all_dist_goal_output_pairs += $$(goal):$$(dst))))
endef
.PHONY: shareprojects
#shareprojects:
define __share-projects-rule
$(1) : PRIVATE_TARGETS := $(2)
$(1) : $(2) | $(COMPLIANCE_LISTSHARE)
$(hide) rm -f $$@
ifeq (,$(strip $(2)))
touch $$@
else
$(COMPLIANCE_LISTSHARE) $$(PRIVATE_TARGETS) > $$@
endif
endef
# build list of projects to share in $(1) for dist targets in $(2)
#
# $(1): the intermediate project sharing file
# $(2): the dist files to base the sharing on
define _share-projects-rule
$(eval $(call __share-projects-rule,$(1),$(call corresponding-license-metadata,$(2))))
endef
# Add a build dependency
#
# $(1): the goal phony target
# $(2): the intermediate shareprojects file
define _share-projects-dep
$(1): $(2)
endef
define _add_projects_to_share
$(strip $(eval _idir := $(call intermediates-dir-for,PACKAGING,shareprojects))) \
$(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) \
$(call dist-for-goals,$(goal),$(_f)) \
$(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 _f := $(_idir)/all.shareprojects)\
$(eval $(call _share-projects-dep,shareprojects,$(_f))) \
$(call dist-for-goals,shareprojects,$(_f))\
$(eval $(call _share-projects-rule,$(_f),$(sort $(_allt))))
endef
#------------------------------------------------------------------
# To be used at the end of the build to collect all the uses of
# dist-for-goals, and write them into a file for the packaging step to use.
# $(1): The file to write
define dist-write-file
$(strip \
$(call _add_projects_to_share)\
$(if $(strip $(ANDROID_REQUIRE_LICENSE_METADATA)),\
$(if $(strip $(ANDROID_REQUIRE_LICENSE_METADATA)),\
$(foreach target,$(sort $(TARGETS_MISSING_LICENSE_METADATA)),$(warning target $(target) missing license metadata)))\
$(if $(strip $(TARGETS_MISSING_LICENSE_METADATA)),\
$(if $(filter true error,$(ANDROID_REQUIRE_LICENSE_METADATA)),\
$(error $(words $(sort $(TARGETS_MISSING_LICENSE_METADATA))) targets need license metadata))))\
$(eval $(call report-missing-licenses-rule)) \
$(eval $(call report-all-notice-library-names-rule)) \
$(KATI_obsolete_var dist-for-goals,Cannot be used after dist-write-file) \
$(foreach goal,$(sort $(_all_dist_goals)), \
$(eval $$(goal): _dist_$$(goal))) \
$(shell mkdir -p $(dir $(1))) \
$(file >$(1).tmp, \
DIST_GOAL_OUTPUT_PAIRS := $(sort $(_all_dist_goal_output_pairs)) \
$(newline)DIST_SRC_DST_PAIRS := $(sort $(_all_dist_src_dst_pairs))) \
$(shell if ! cmp -s $(1).tmp $(1); then \
mv $(1).tmp $(1); \
else \
rm $(1).tmp; \
fi))
endef
.KATI_READONLY := dist-for-goals dist-write-file