80e46c7c5c
dist is a strange dual-use target, as both a flag and a goal. make dist <target> means build <target>, but copy any dist-for-goals files to $DIST_DIR. make dist without a target means build droid with dist-for-goals files. This requires special handling of MAKECMDGOALS to detect the case where dist is the only goal, which breaks when ninja.mk doesn't pass all the goals to kati. Instead, let ninja handle the default goal. Pass dist to kati if it is specified in order to turn on the dist-for-goal rules, but filter it out of the goals passed to ninja. If there are any other goals, ninja will build them. If there are no goals, ninja will fall back to the default goal, which is droid. Change-Id: Iafb184d28cb312cb7c5682cd3ff4f310b2d9f7e9
74 lines
2.4 KiB
Makefile
74 lines
2.4 KiB
Makefile
#
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# Copyright (C) 2007 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# When specifying "dist", the user has asked that we copy the important
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# files from this build into DIST_DIR.
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.PHONY: dist
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dist: ;
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dist_goal := $(strip $(filter dist,$(MAKECMDGOALS)))
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MAKECMDGOALS := $(strip $(filter-out dist,$(MAKECMDGOALS)))
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ifdef dist_goal
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# $(1): source file
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# $(2): destination file
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# $(3): goals that should copy the file
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#
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define copy-one-dist-file
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$(3): $(2)
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$(2): $(1)
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@echo "Dist: $$@"
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$$(copy-file-to-new-target-with-cp)
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endef
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# A global variable to remember all dist'ed src:dst pairs.
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# So if a src:dst is already dist'ed by another goal,
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# we should just establish the dependency and don't really call the
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# copy-one-dist-file to avoid multiple rules for the same target.
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_all_dist_src_dst_pairs :=
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# Other parts of the system should use this function to associate
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# certain files with certain goals. When those goals are built
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# and "dist" is specified, the marked files will be copied to DIST_DIR.
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#
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# $(1): a list of goals (e.g. droid, sdk, pdk, ndk)
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# $(2): the dist files to add to those goals. If the file contains ':',
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# the text following the colon is the name that the file is copied
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# to under the dist directory. Subdirs are ok, and will be created
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# at copy time if necessary.
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define dist-for-goals
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$(foreach file,$(2), \
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$(eval fw := $(subst :,$(space),$(file))) \
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$(eval src := $(word 1,$(fw))) \
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$(eval dst := $(word 2,$(fw))) \
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$(eval dst := $(if $(dst),$(dst),$(notdir $(src)))) \
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$(if $(filter $(_all_dist_src_dst_pairs),$(src):$(dst)),\
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$(eval $(call add-dependency,$(1),$(DIST_DIR)/$(dst))),\
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$(eval $(call copy-one-dist-file,\
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$(src),$(DIST_DIR)/$(dst),$(1)))\
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$(eval _all_dist_src_dst_pairs += $(src):$(dst))\
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)\
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)
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endef
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else # !dist_goal
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# empty definition when not building dist
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define dist-for-goals
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endef
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endif # !dist_goal
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