Revert^2 "Rough-in license metadata support to make."

Changed shell script to /bin/sh syntax for portability to mac_os etc.

54066744f0

Change-Id: Ibd472fc1bedfdc228a704108f0280b13ab1c9333
This commit is contained in:
Bob Badour 2021-01-07 03:34:31 +00:00
parent 21bd34fe09
commit 7a95820907
4 changed files with 371 additions and 3 deletions

View File

@ -565,6 +565,55 @@ $(strip \
)
endef
###########################################################
## Target directory for license metadata files.
###########################################################
define license-metadata-dir
$(call generated-sources-dir-for,META,lic,)
endef
###########################################################
## License metadata build rule for my_register_name $1
###########################################################
define license-metadata-rule
$(strip $(eval _dir := $(call license-metadata-dir)))
$(strip $(eval _deps := $(sort $(filter-out $(_dir)/$(1).meta_lic,$(foreach d,$(ALL_MODULES.$(1).NOTICE_DEPS), $(_dir)/$(d).meta_lic)))))
$(foreach b,$(sort $(ALL_MODULES.$(1).BUILT) $(ALL_MODULES.$(1).INSTALLED)),
$(_dir)/$(b).meta_module ::
mkdir -p $$(dir $$@)
echo $(_dir)/$(1).meta_lic >> $$@
sort -u $$@ -o $$@
)
$(_dir)/$(1).meta_lic: PRIVATE_KINDS := $(sort $(ALL_MODULES.$(1).LICENSE_KINDS))
$(_dir)/$(1).meta_lic: PRIVATE_CONDITIONS := $(sort $(ALL_MODULES.$(1).LICENSE_CONDITIONS))
$(_dir)/$(1).meta_lic: PRIVATE_NOTICES := $(sort $(ALL_MODULES.$(1).NOTICES))
$(_dir)/$(1).meta_lic: PRIVATE_NOTICE_DEPS := $(_deps)
$(_dir)/$(1).meta_lic: PRIVATE_TARGETS := $(sort $(ALL_MODULES.$(1).BUILT) $(ALL_MODULES.$(1).INSTALLED))
$(_dir)/$(1).meta_lic: PRIVATE_IS_CONTAINER := $(sort $(ALL_MODULES.$(1).IS_CONTAINER))
$(_dir)/$(1).meta_lic: PRIVATE_PACKAGE_NAME := $(ALL_MODULES.$(1).LICENSE_PACKAGE_NAME)
$(_dir)/$(1).meta_lic: PRIVATE_INSTALL_MAP := $(sort $(ALL_MODULES.$(1).LICENSE_INSTALL_MAP))
$(_dir)/$(1).meta_lic : $(_deps) $(ALL_MODULES.$(1).NOTICES) $(foreach b,$(sort $(ALL_MODULES.$(1).BUILT) $(ALL_MODULES.$(1).INSTALLED)), $(_dir)/$(b).meta_module) build/make/tools/build-license-metadata.sh
rm -f $$@
mkdir -p $$(dir $$@)
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 $$@
$(1) : $(_dir)/$(1).meta_lic
$(if $(ALL_MODULES.$(1).INSTALLED_NOTICE_FILE),$(ALL_MODULES.$(1).INSTALLED_NOTICE_FILE) : $(_dir)/$(1).meta_lic)
.PHONY: $(1).meta_lic
$(1).meta_lic : $(_dir)/$(1).meta_lic
endef
###########################################################
## Declares a license metadata build rule for ALL_MODULES
###########################################################
define build-license-metadata
$(foreach m,$(ALL_MODULES),$(eval $(call license-metadata-rule,$(m))))
endef
###########################################################
## Returns correct _idfPrefix from the list:
## { HOST, HOST_CROSS, TARGET }

View File

@ -1404,8 +1404,16 @@ modules_to_install := $(sort $(ALL_DEFAULT_INSTALLED_MODULES))
ALL_DEFAULT_INSTALLED_MODULES :=
# Some notice deps refer to module names without prefix or arch suffix where
# only the variants with them get built.
# fix-notice-deps replaces those unadorned module names with every built variant.
$(call fix-notice-deps)
# Create a license metadata rule per module. Could happen in base_rules.mk or
# notice_files.mk; except, it has to happen after fix-notice-deps to avoid
# missing dependency errors.
$(call build-license-metadata)
# These are additional goals that we build, in order to make sure that there
# is as little code as possible in the tree that doesn't build.

View File

@ -167,8 +167,6 @@ else
# Soong produces uninstallable *.sdk shared libraries for embedding in APKs.
module_installed_filename := \
$(patsubst $(PRODUCT_OUT)/%,%,$($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)OUT_SHARED_LIBRARIES))/$(notdir $(LOCAL_BUILT_MODULE))
else
$(error Cannot determine where to install NOTICE file for $(LOCAL_MODULE))
endif # JAVA_LIBRARIES
endif # STATIC_LIBRARIES
endif
@ -186,11 +184,12 @@ ALL_MODULES.$(my_register_name).INSTALLED_NOTICE_FILE := $(installed_notice_file
endif
$(installed_notice_file): PRIVATE_INSTALLED_MODULE := $(module_installed_filename)
$(installed_notice_file) : PRIVATE_NOTICES := $(notice_file)
$(installed_notice_file): $(notice_file)
@echo Notice file: $< -- $@
$(hide) mkdir -p $(dir $@)
$(hide) awk 'FNR==1 && NR > 1 {print "\n"} {print}' $^ > $@
$(hide) awk 'FNR==1 && NR > 1 {print "\n"} {print}' $(PRIVATE_NOTICES) > $@
ifdef LOCAL_INSTALLED_MODULE
# Make LOCAL_INSTALLED_MODULE depend on NOTICE files if they exist

312
tools/build-license-metadata.sh Executable file
View File

@ -0,0 +1,312 @@
#!/bin/sh
set -u
ME=$(basename $0)
USAGE="Usage: ${ME} {options}
Builds a license metadata specification and outputs it to stdout or {outfile}.
The available options are:
-k kind... license kinds
-c condition... license conditions
-p package... license package name
-n notice... license notice file
-d dependency... license metadata file dependency
-t target... targets
-m target:installed... map dependent targets to their installed names
-is_container preserved dependent target name when given
-o outfile output file
"
# Global flag variables
license_kinds=
license_conditions=
license_package_name=
license_notice=
license_deps=
targets=
installmap=
is_container=false
ofile=
# Global variables
depfiles=" "
effective_conditions=
# Exits with a message.
#
# When the exit status is 2, assumes a usage error and outputs the usage message
# to stderr before outputting the specific error message to stderr.
#
# Parameters:
# Optional numeric exit status (defaults to 2, i.e. a usage error.)
# Remaining args treated as an error message sent to stderr.
die() {
lstatus=2
case "${1:-}" in *[^0-9]*) ;; *) lstatus="$1"; shift ;; esac
case "${lstatus}" in 2) echo "${USAGE}" >&2; echo >&2 ;; esac
if [ -n "$*" ]; then
echo -e "$*\n" >&2
fi
exit $lstatus
}
# Sets the flag variables based on the command-line.
#
# invoke with: process_args "$@"
process_args() {
lcurr_flag=
while [ "$#" -gt '0' ]; do
case "${1}" in
-h)
echo "${USAGE}"
exit 0
;;
-k)
lcurr_flag=kind
;;
-c)
lcurr_flag=condition
;;
-p)
lcurr_flag=package
;;
-n)
lcurr_flag=notice
;;
-d)
lcurr_flag=dependency
;;
-t)
lcurr_flag=target
;;
-m)
lcurr_flag=installmap
;;
-o)
lcurr_flag=ofile
;;
-is_container)
lcurr_flag=
is_container=true
;;
-*)
die "Unknown flag: \"${1}\""
;;
*)
case "${lcurr_flag}" in
kind)
license_kinds="${license_kinds}${license_kinds:+ }${1}"
;;
condition)
license_conditions="${license_conditions}${license_conditions:+ }${1}"
;;
package)
license_package_name="${license_package_name}${license_package_name:+ }${1}"
;;
notice)
license_notice="${license_notice}${license_notice:+ }${1}"
;;
dependency)
license_deps="${license_deps}${license_deps:+ }${1}"
;;
target)
targets="${targets}${targets:+ }${1}"
;;
installmap)
installmap="${installmap}${installmap:+ }${1}"
;;
ofile)
if [ -n "${ofile}" ]; then
die "Output file -o appears twice as \"${ofile}\" and \"${1}\""
fi
ofile="${1}"
;;
*)
die "Must precede argument \"${1}\" with type flag."
;;
esac
;;
esac
shift
done
}
# Reads a license metadata file from stdin, and outputs the named dependencies.
#
# No parameters.
extract_deps() {
awk '$1 == "dep_name:" { sub(/^"/, "", $2); sub(/"$/, "", $2); print $2; }'
}
# Populates the depfiles variable identifying dependency files.
#
# Starting with the dependencies enumerated in license_deps, calculates the
# transitive closure of all dependencies.
#
# Dependency names ending in .meta_module indirectly reference license
# metadata with 1 license metadata filename per line.
#
# No parameters; no output.
read_deps() {
lnewdeps=
for d in ${license_deps}; do
case "${d}" in
*.meta_module)
lnewdeps="${lnewdeps}${lnewdeps:+ }"$(cat "${d}") ;;
*)
lnewdeps="${lnewdeps}${lnewdeps:+ }${d}" ;;
esac
done
lnewdeps=$(echo "${lnewdeps}" | tr ' ' '\n' | sort -u)
lalldeps=
ldeps=
lmod=
ldep=
while [ "${#lnewdeps}" -gt '0' ]; do
ldeps="${lnewdeps}"
lnewdeps=
for ldep in ${ldeps}; do
depfiles="${depfiles}${ldep} "
lalldeps="${lalldeps}${lalldeps:+ }"$(cat "${ldep}" | extract_deps)
done
lalldeps=$(for d in ${lalldeps}; do echo "${d}"; done | sort -u)
for d in ${lalldeps}; do
ldeps="${d}"
case "${d}" in *.meta_module) ldeps=$(cat "${d}") ;; esac
for lmod in ${ldeps}; do
if ! expr "${depfiles}" : ".* ${lmod} .*" >/dev/null 2>&1; then
lnewdeps="${lnewdeps}${lnewdeps:+ }${lmod}"
fi
done
done
lalldeps=
done
}
# Returns the effective license conditions for the current license metadata.
#
# If a module is restricted or links in a restricted module, the effective
# license has a restricted condition.
calculate_effective_conditions() {
lconditions="${license_conditions}"
case "${license_conditions}" in
*restricted*) : do nothing ;;
*)
for d in ${depfiles}; do
if cat "${d}" | egrep -q 'effective_condition\s*:.*restricted' ; then
lconditions="${lconditions}${lconditions:+ }restricted"
fi
done
;;
esac
echo "${lconditions}"
}
process_args "$@"
if [ -n "${ofile}" ]; then
# truncate the output file before appending results
: >"${ofile}"
else
ofile=/dev/stdout
fi
# spit out the license metadata file content
(
echo 'license_package_name: "'${license_package_name}'"'
for kind in ${license_kinds}; do
echo 'license_kind: "'${kind}'"'
done
for condition in ${license_conditions}; do
echo 'license_condition: "'${condition}'"'
done
for f in ${license_notice}; do
echo 'license_text: "'${f}'"'
done
echo "is_container: ${is_container}"
for t in ${targets}; do
echo 'target: "'${t}'"'
done
for m in ${installmap}; do
echo 'install_map: "'${m}'"'
done
) >>"${ofile}"
read_deps
effective_conditions=$(calculate_effective_conditions)
for condition in ${effective_conditions}; do
echo 'effective_condition: "'${condition}'"'
done >>"${ofile}"
for dep in ${depfiles}; do
echo 'dep {'
cat "${dep}" | \
awk -v name="${dep}" '
function strip_type() {
$1 = ""
sub(/^\s*/, "")
}
BEGIN {
print " dep_name: " name
}
$1 == "license_package_name:" {
strip_type()
print " dep_package_name: "$0
}
$1 == "dep_name:" {
print " dep_sub_dep: "$2
}
$1 == "license_kind:" {
print " dep_license_kind: "$2
}
$1 == "license_condition:" {
print " dep_license_condition: "$2
}
$1 == "is_container:" {
print " dep_is_container: "$2
}
$1 == "license_text:" {
strip_type()
print " dep_license_text: "$0
}
$1 == "target:" {
print " dep_target: "$2
}
$1 == "install_map:" {
print " dep_install_map: "$2
}
'
# The restricted license kind is contagious to all linked dependencies.
dep_conditions=$(echo $(
cat "${dep}" | awk '
$1 == "effective_condition:" {
$1 = ""
sub(/^\s*/, "")
gsub(/"/, "")
print
}
'
))
for condition in ${dep_conditions}; do
echo ' dep_effective_condition: "'${condition}'"'
done
if ! ${is_container}; then
case "${dep_conditions}" in
*restricted*) : already restricted -- nothing to inherit ;;
*)
case "${effective_conditions}" in
*restricted*)
# "contagious" restricted infects everything linked to restricted
echo ' dep_effective_condition: "restricted"'
;;
esac
;;
esac
fi
echo '}'
done >>"${ofile}"