github.com/westcoastroms/westcoastroms-build@v0.0.0-20190928114312-2350e5a73030/build/make/core/tasks/deps_licenses.mk (about)

     1  #
     2  # Copyright (C) 2015 The Android Open Source Project
     3  #
     4  # Licensed under the Apache License, Version 2.0 (the "License");
     5  # you may not use this file except in compliance with the License.
     6  # You may obtain a copy of the License at
     7  #
     8  #      http://www.apache.org/licenses/LICENSE-2.0
     9  #
    10  # Unless required by applicable law or agreed to in writing, software
    11  # distributed under the License is distributed on an "AS IS" BASIS,
    12  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  # See the License for the specific language governing permissions and
    14  # limitations under the License.
    15  #
    16  
    17  # Print modules and their transitive dependencies with license files.
    18  # To invoke, run "make deps-license PROJ_PATH=<proj-path-patterns> DEP_PATH=<dep-path-patterns>".
    19  # PROJ_PATH restricts the paths of the source modules; DEP_PATH restricts the paths of the dependency modules.
    20  # Both can be makefile patterns supported by makefile function $(filter).
    21  # Example: "make deps-license packages/app/% external/%" prints all modules in packages/app/ with their dpendencies in external/.
    22  # The printout lines look like "<module_name> :: <module_paths> :: <license_files>".
    23  
    24  ifneq (,$(filter deps-license,$(MAKECMDGOALS)))
    25  ifndef PROJ_PATH
    26  $(error To "make deps-license" you must specify PROJ_PATH and DEP_PATH.)
    27  endif
    28  ifndef DEP_PATH
    29  $(error To "make deps-license" you must specify PROJ_PATH and DEP_PATH.)
    30  endif
    31  
    32  # Expand a module's dependencies transitively.
    33  # $(1): the variable name to hold the result.
    34  # $(2): the initial module name.
    35  define get-module-all-dependencies
    36  $(eval _gmad_new := $(sort $(filter-out $($(1)),\
    37    $(foreach m,$(2),$(ALL_DEPS.$(m).ALL_DEPS)))))\
    38  $(if $(_gmad_new),$(eval $(1) += $(_gmad_new))\
    39    $(call get-module-all-dependencies,$(1),$(_gmad_new)))
    40  endef
    41  
    42  define print-deps-license
    43  $(foreach m, $(ALL_DEPS.MODULES),\
    44    $(eval m_p := $(sort $(ALL_MODULES.$(m).PATH) $(ALL_MODULES.$(m)$(TARGET_2ND_ARCH_MODULE_SUFFIX).PATH)))\
    45    $(if $(filter $(PROJ_PATH),$(m_p)),\
    46      $(eval deps :=)\
    47      $(eval $(call get-module-all-dependencies,deps,$(m)))\
    48      $(info $(m) :: $(m_p) :: $(ALL_DEPS.$(m).LICENSE))\
    49      $(foreach d,$(deps),\
    50        $(eval d_p := $(sort $(ALL_MODULES.$(d).PATH) $(ALL_MODULES.$(d)$(TARGET_2ND_ARCH_MODULE_SUFFIX).PATH)))\
    51        $(if $(filter $(DEP_PATH),$(d_p)),\
    52          $(info $(space)$(space)$(space)$(space)$(d) :: $(d_p) :: $(ALL_DEPS.$(d).LICENSE))))))
    53  endef
    54  
    55  .PHONY: deps-license
    56  deps-license:
    57  	@$(call print-deps-license)
    58  
    59  endif