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 60