Rough-in license metadata support to make.
Change-Id: Icaff40171b94538219a8caa697b182dbdcc8229a
This commit is contained in:
Bob Badour
parent
6421674a39
commit
20fc1b3719
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@ -565,6 +565,55 @@ $(strip \
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)
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endef
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###########################################################
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## Target directory for license metadata files.
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###########################################################
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define license-metadata-dir
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$(call generated-sources-dir-for,META,lic,)
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endef
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###########################################################
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## License metadata build rule for my_register_name $1
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###########################################################
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define license-metadata-rule
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$(strip $(eval _dir := $(call license-metadata-dir)))
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$(strip $(eval _deps := $(sort $(filter-out $(_dir)/$(1).meta_lic,$(foreach d,$(ALL_MODULES.$(1).NOTICE_DEPS), $(_dir)/$(d).meta_lic)))))
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$(foreach b,$(sort $(ALL_MODULES.$(1).BUILT) $(ALL_MODULES.$(1).INSTALLED)),
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$(_dir)/$(b).meta_module ::
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mkdir -p $$(dir $$@)
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echo $(_dir)/$(1).meta_lic >> $$@
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sort -u $$@ -o $$@
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)
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$(_dir)/$(1).meta_lic: PRIVATE_KINDS := $(sort $(ALL_MODULES.$(1).LICENSE_KINDS))
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$(_dir)/$(1).meta_lic: PRIVATE_CONDITIONS := $(sort $(ALL_MODULES.$(1).LICENSE_CONDITIONS))
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$(_dir)/$(1).meta_lic: PRIVATE_NOTICES := $(sort $(ALL_MODULES.$(1).NOTICES))
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$(_dir)/$(1).meta_lic: PRIVATE_NOTICE_DEPS := $(_deps)
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$(_dir)/$(1).meta_lic: PRIVATE_TARGETS := $(sort $(ALL_MODULES.$(1).BUILT) $(ALL_MODULES.$(1).INSTALLED))
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$(_dir)/$(1).meta_lic: PRIVATE_IS_CONTAINER := $(sort $(ALL_MODULES.$(1).IS_CONTAINER))
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$(_dir)/$(1).meta_lic: PRIVATE_PACKAGE_NAME := $(ALL_MODULES.$(1).LICENSE_PACKAGE_NAME)
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$(_dir)/$(1).meta_lic: PRIVATE_INSTALL_MAP := $(sort $(ALL_MODULES.$(1).LICENSE_INSTALL_MAP))
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$(_dir)/$(1).meta_lic : $(_deps) $(ALL_MODULES.$(1).NOTICES) $(foreach b,$(sort $(ALL_MODULES.$(1).BUILT) $(ALL_MODULES.$(1).INSTALLED)), $(_dir)/$(b).meta_module) build/make/tools/build-license-metadata.sh
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rm -f $$@
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mkdir -p $$(dir $$@)
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build/make/tools/build-license-metadata.sh -k $$(PRIVATE_KINDS) -c $$(PRIVATE_CONDITIONS) -n $$(PRIVATE_NOTICES) -d $$(PRIVATE_NOTICE_DEPS) -m $$(PRIVATE_INSTALL_MAP) -t $$(PRIVATE_TARGETS) $$(if $$(filter-out false,$$(PRIVATE_IS_CONTAINER)),-is_container) -p $$(PRIVATE_PACKAGE_NAME) -o $$@
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$(1) : $(_dir)/$(1).meta_lic
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$(if $(ALL_MODULES.$(1).INSTALLED_NOTICE_FILE),$(ALL_MODULES.$(1).INSTALLED_NOTICE_FILE) : $(_dir)/$(1).meta_lic)
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.PHONY: $(1).meta_lic
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$(1).meta_lic : $(_dir)/$(1).meta_lic
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endef
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###########################################################
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## Declares a license metadata build rule for ALL_MODULES
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###########################################################
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define build-license-metadata
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$(foreach m,$(ALL_MODULES),$(eval $(call license-metadata-rule,$(m))))
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endef
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###########################################################
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## Returns correct _idfPrefix from the list:
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## { HOST, HOST_CROSS, TARGET }
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@ -1404,8 +1404,16 @@ modules_to_install := $(sort $(ALL_DEFAULT_INSTALLED_MODULES))
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ALL_DEFAULT_INSTALLED_MODULES :=
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# Some notice deps refer to module names without prefix or arch suffix where
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# only the variants with them get built.
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# fix-notice-deps replaces those unadorned module names with every built variant.
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$(call fix-notice-deps)
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# Create a license metadata rule per module. Could happen in base_rules.mk or
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# notice_files.mk; except, it has to happen after fix-notice-deps to avoid
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# missing dependency errors.
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$(call build-license-metadata)
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# These are additional goals that we build, in order to make sure that there
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# is as little code as possible in the tree that doesn't build.
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@ -167,8 +167,6 @@ else
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# Soong produces uninstallable *.sdk shared libraries for embedding in APKs.
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module_installed_filename := \
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$(patsubst $(PRODUCT_OUT)/%,%,$($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)OUT_SHARED_LIBRARIES))/$(notdir $(LOCAL_BUILT_MODULE))
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else
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$(error Cannot determine where to install NOTICE file for $(LOCAL_MODULE))
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endif # JAVA_LIBRARIES
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endif # STATIC_LIBRARIES
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endif
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@ -186,11 +184,12 @@ ALL_MODULES.$(my_register_name).INSTALLED_NOTICE_FILE := $(installed_notice_file
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endif
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$(installed_notice_file): PRIVATE_INSTALLED_MODULE := $(module_installed_filename)
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$(installed_notice_file) : PRIVATE_NOTICES := $(notice_file)
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$(installed_notice_file): $(notice_file)
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@echo Notice file: $< -- $@
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$(hide) mkdir -p $(dir $@)
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$(hide) awk 'FNR==1 && NR > 1 {print "\n"} {print}' $^ > $@
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$(hide) awk 'FNR==1 && NR > 1 {print "\n"} {print}' $(PRIVATE_NOTICES) > $@
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ifdef LOCAL_INSTALLED_MODULE
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# Make LOCAL_INSTALLED_MODULE depend on NOTICE files if they exist
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@ -0,0 +1,343 @@
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#!/bin/bash
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set -u
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ME=$(basename $0)
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USAGE="Usage: ${ME} {options}
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Builds a license metadata specification and outputs it to stdout or {outfile}.
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The available options are:
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-k kind... license kinds
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-c condition... license conditions
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-p package... license package name
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-n notice... license notice file
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-d dependency... license metadata file dependency
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-t target... targets
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-m target:installed... map dependent targets to their installed names
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-is_container preserved dependent target name when given
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-o outfile output file
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"
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# Global flag variables
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license_kinds=
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license_conditions=
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license_package_name=
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license_notice=
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license_deps=
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targets=
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installmap=
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is_container=false
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ofile=
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# Global variables
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declare -A depfiles
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effective_conditions=
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declare -A depModules
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# work around bug where "${#array[@]}" traps if never set
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depfiles["x"]=808 # set an arbitrary index
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unset depfiles["x"] # delete it to make depfiles empty again
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depModules["x"]=808 # set an arbitrary index
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unset depModules["x"] # delete it to make depModules empty again
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# Exits with a message.
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#
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# When the exit status is 2, assumes a usage error and outputs the usage message
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# to stderr before outputting the specific error message to stderr.
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#
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# Parameters:
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# Optional numeric exit status (defaults to 2, i.e. a usage error.)
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# Remaining args treated as an error message sent to stderr.
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function die() {
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local status=2
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case "${1:-}" in *[^0-9]*) ;; *) status="$1"; shift ;; esac
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case "${status}" in 2) echo "${USAGE}" >&2; echo >&2 ;; esac
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if [ -n "$*" ]; then
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echo -e "$*\n" >&2
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fi
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exit $status
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}
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# Sets the flag variables based on the command-line.
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#
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# invoke with: process_args "$@"
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function process_args() {
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local curr_flag=
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local name
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local val
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while [ "$#" -gt '0' ]; do
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case "${1}" in
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-h)
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echo "${USAGE}"
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exit 0
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;;
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-k)
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curr_flag=kind
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;;
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-c)
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curr_flag=condition
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;;
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-p)
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curr_flag=package
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;;
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-n)
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curr_flag=notice
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;;
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-d)
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curr_flag=dependency
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;;
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-t)
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curr_flag=target
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;;
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-m)
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curr_flag=installmap
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;;
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-o)
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curr_flag=ofile
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;;
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-is_container)
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curr_flag=
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is_container=true
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;;
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-*)
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die "Unknown flag: \"${1}\""
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;;
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*)
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case "${curr_flag}" in
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kind)
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license_kinds="${license_kinds}${license_kinds:+ }${1}"
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;;
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condition)
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license_conditions="${license_conditions}${license_conditions:+ }${1}"
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;;
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package)
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license_package_name="${license_package_name}${license_package_name:+ }${1}"
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;;
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notice)
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license_notice="${license_notice}${license_notice:+ }${1}"
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;;
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dependency)
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license_deps="${license_deps}${license_deps:+ }${1}"
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;;
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target)
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targets="${targets}${targets:+ }${1}"
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;;
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installmap)
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installmap="${installmap}${installmap:+ }${1}"
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;;
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ofile)
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if [ -n "${ofile}" ]; then
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die "Output file -o appears twice as \"${ofile}\" and \"${1}\""
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fi
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ofile="${1}"
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;;
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*)
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die "Must precede argument \"${1}\" with type flag."
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;;
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esac
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;;
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esac
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shift
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done
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}
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# Reads a license metadata file from stdin, and outputs the named dependencies.
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#
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# No parameters.
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function extract_deps() {
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awk '$1 == "dep_name:" { sub(/^"/, "", $2); sub(/"$/, "", $2); print $2; }'
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}
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# Populates the `depfiles` associative array mapping dependencies to license
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# metadata content.
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#
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# Starting with the dependencies enumerated in `license_deps`, calculates the
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# transitive closure of all dependencies mapping the name of each license
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# metadata file to its content.
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#
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# Dependency names ending in `.meta_module` indirectly reference license
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# metadata with 1 license metadata filename per line.
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#
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# No parameters; no output.
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function read_deps() {
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local newdeps=$(
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for d in ${license_deps}; do
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case "${d}" in
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*.meta_module) cat "${d}" ;;
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*) echo "${d}" ;;
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esac
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done | sort -u
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)
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local alldeps=
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local deps=
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local content=
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local mod=
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local dep=
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while [ "${#newdeps}" -gt '0' ]; do
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deps="${newdeps}"
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newdeps=
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for dep in ${deps}; do
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content=$(cat ${dep})
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depfiles["${dep}"]="${content}"
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alldeps="${alldeps}${alldeps:+ }"$(echo "${content}" | extract_deps)
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done
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alldeps=$(for d in ${alldeps}; do echo "${d}"; done | sort -u)
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for d in ${alldeps}; do
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deps=$(
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case "${d}" in
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*.meta_module) cat"${d}" ;;
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*) echo "${d}" ;;
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esac
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)
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for mod in ${deps}; do
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if [ -z "${depfiles[${mod}]+isset}" ]; then
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newdeps="${newdeps}${newdeps:+ }${mod}"
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fi
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done
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done
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alldeps=
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done
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}
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# Returns the effective license conditions for the current license metadata.
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#
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# If a module is restricted or links in a restricted module, the effective
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# license has a restricted condition.
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function calculate_effective_conditions() {
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local conditions="${license_conditions}"
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local condition
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case "${license_conditions}" in
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*restricted*) : do nothing ;;
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*)
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for d in "${!depfiles[@]}"; do
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condition=$(
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echo "${depfiles[${d}]}" | \
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awk '$1 == "effective_condition:" {
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$1 = ""
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print
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}' \
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)
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case "${condition}" in
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*restricted*)
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conditions="${conditions}${conditions:+ }restricted"
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break
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;;
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esac
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done
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;;
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esac
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echo "${conditions}"
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}
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process_args "$@"
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if [ -n "${ofile}" ]; then
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# truncate the output file before appending results
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: >"${ofile}"
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else
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ofile=/dev/stdout
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fi
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# spit out the license metadata file content
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(
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echo 'license_package_name: "'${license_package_name}'"'
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for kind in ${license_kinds}; do
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echo 'license_kind: "'${kind}'"'
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done
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for condition in ${license_conditions}; do
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echo 'license_condition: "'${condition}'"'
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done
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for f in ${license_notice}; do
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echo 'license_text: "'${f}'"'
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done
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echo "is_container: ${is_container}"
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for t in ${targets}; do
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echo 'target: "'${t}'"'
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done
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for m in ${installmap}; do
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echo 'install_map: "'${m}'"'
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done
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) >>"${ofile}"
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read_deps
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for dep in "${!depfiles[@]}"; do
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m=$(expr "${dep}" : '^.*[/]\([^/]*\)[.]meta_lic$')
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depModules["${m}"]=true
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done
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effective_conditions=$(calculate_effective_conditions)
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for condition in ${effective_conditions}; do
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echo 'effective_condition: "'${condition}'"'
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done >>"${ofile}"
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for dep in "${!depfiles[@]}"; do
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echo 'dep {'
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echo "${depfiles[${dep}]}" | \
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awk -v name="${dep}" '
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function strip_type() {
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$1 = ""
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sub(/^\s*/, "")
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}
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BEGIN {
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print " dep_name: " name
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}
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$1 == "license_package_name:" {
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strip_type()
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print " dep_package_name: "$0
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}
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$1 == "dep_name:" {
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print " dep_sub_dep: "$2
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}
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$1 == "license_kind:" {
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print " dep_license_kind: "$2
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}
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$1 == "license_condition:" {
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print " dep_license_condition: "$2
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}
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$1 == "is_container:" {
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print " dep_is_container: "$2
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}
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$1 == "license_text:" {
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strip_type()
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print " dep_license_text: "$0
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}
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$1 == "target:" {
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print " dep_target: "$2
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}
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$1 == "install_map:" {
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print " dep_install_map: "$2
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}
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'
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# The restricted license kind is contagious to all linked dependencies.
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dep_conditions=$(echo $(
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echo "${depfiles[${dep}]}" | awk '
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$1 == "effective_condition:" {
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$1 = ""
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sub(/^\s*/, "")
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gsub(/"/, "")
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print
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}
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'
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))
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for condition in ${dep_conditions}; do
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echo ' dep_effective_condition: "'${condition}'"'
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done
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if ! ${is_container}; then
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case "${dep_conditions}" in
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*restricted*) : already restricted -- nothing to inherit ;;
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*)
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case "${effective_conditions}" in
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*restricted*)
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# "contagious" restricted infects everything linked to restricted
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echo ' dep_effective_condition: "restricted"'
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;;
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esac
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;;
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esac
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fi
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echo '}'
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done >>"${ofile}"
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