60 lines
2.4 KiB
Makefile
60 lines
2.4 KiB
Makefile
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#
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# Copyright (C) 2015 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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# Print modules and their transitive dependencies with license files.
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# To invoke, run "make deps-license PROJ_PATH=<proj-path-patterns> DEP_PATH=<dep-path-patterns>".
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# PROJ_PATH restricts the paths of the source modules; DEP_PATH restricts the paths of the dependency modules.
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# Both can be makefile patterns supported by makefile function $(filter).
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# Example: "make deps-license packages/app/% external/%" prints all modules in packages/app/ with their dpendencies in external/.
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# The printout lines look like "<module_name> :: <module_paths> :: <license_files>".
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ifneq (,$(filter deps-license,$(MAKECMDGOALS)))
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ifndef PROJ_PATH
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$(error To "make deps-license" you must specify PROJ_PATH and DEP_PATH.)
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endif
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ifndef DEP_PATH
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$(error To "make deps-license" you must specify PROJ_PATH and DEP_PATH.)
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endif
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# Expand a module's dependencies transitively.
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# $(1): the variable name to hold the result.
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# $(2): the initial module name.
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define get-module-all-dependencies
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$(eval _gmad_new := $(sort $(filter-out $($(1)),\
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$(foreach m,$(2),$(ALL_DEPS.$(m).ALL_DEPS)))))\
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$(if $(_gmad_new),$(eval $(1) += $(_gmad_new))\
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$(call get-module-all-dependencies,$(1),$(_gmad_new)))
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endef
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define print-deps-license
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$(foreach m, $(ALL_DEPS.MODULES),\
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$(eval m_p := $(sort $(ALL_MODULES.$(m).PATH) $(ALL_MODULES.$(m)$(TARGET_2ND_ARCH_MODULE_SUFFIX).PATH)))\
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$(if $(filter $(PROJ_PATH),$(m_p)),\
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$(eval deps :=)\
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$(eval $(call get-module-all-dependencies,deps,$(m)))\
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$(info $(m) :: $(m_p) :: $(ALL_DEPS.$(m).LICENSE))\
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$(foreach d,$(deps),\
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$(eval d_p := $(sort $(ALL_MODULES.$(d).PATH) $(ALL_MODULES.$(d)$(TARGET_2ND_ARCH_MODULE_SUFFIX).PATH)))\
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$(if $(filter $(DEP_PATH),$(d_p)),\
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$(info $(space)$(space)$(space)$(space)$(d) :: $(d_p) :: $(ALL_DEPS.$(d).LICENSE))))))
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endef
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.PHONY: deps-license
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deps-license:
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@$(call print-deps-license)
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endif
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