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#
# 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.
.PHONY: dist
dist: ;
dist_goal := $(strip $(filter dist,$(MAKECMDGOALS)))
MAKECMDGOALS := $(strip $(filter-out dist,$(MAKECMDGOALS)))
ifeq (,$(strip $(filter-out $(INTERNAL_MODIFIER_TARGETS),$(MAKECMDGOALS))))
# The commandline was something like "make dist" or "make dist showcommands".
# Add a dependency on a real target.
dist: $(DEFAULT_GOAL)
endif
ifdef dist_goal
# $(1): source file
# $(2): destination file
# $(3): goals that should copy the file
#
define copy-one-dist-file
$(3): $(2)
$(2): $(1)
@echo "Dist: $$@"
$$(copy-file-to-new-target-with-cp)
endef
# A global variable to remember all dist'ed src:dst pairs.
# So if a src:dst is already dist'ed by another goal,
# we should just establish the dependency and don't really call the
# copy-one-dist-file to avoid multiple rules for the same target.
_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, pdk, ndk)
# $(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
$(foreach file,$(2), \
$(eval fw := $(subst :,$(space),$(file))) \
$(eval src := $(word 1,$(fw))) \
$(eval dst := $(word 2,$(fw))) \
$(eval dst := $(if $(dst),$(dst),$(notdir $(src)))) \
$(if $(filter $(_all_dist_src_dst_pairs),$(src):$(dst)),\
$(eval $(call add-dependency,$(1),$(DIST_DIR)/$(dst))),\
$(eval $(call copy-one-dist-file,\
$(src),$(DIST_DIR)/$(dst),$(1)))\
$(eval _all_dist_src_dst_pairs += $(src):$(dst))\
)\
)
endef
else # !dist_goal
# empty definition when not building dist
define dist-for-goals
endef
endif # !dist_goal
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