Define release flags in starlark instead of make
So that we have a more restricted enviornment for this new configuration axis that can also be imported into other tools more easily. Test: Manually Change-Id: Iabce1919f6d6f57a256ae144784af7c47622b54d
This commit is contained in:
Cole Faust
parent
7f1171e493
commit
c113a70221
3 changed files with 128 additions and 190 deletions
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@ -30,13 +30,14 @@ endef
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# In order to avoid running starlark every time the stamp file is checked, we use
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# $(KATI_shell_no_rerun). Then, to make sure that we actually do rerun kati when
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# modifying the starlark files, we add the starlark files to the kati stamp file with
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# $(KATI_extra_file_deps).
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# $(KATI_extra_file_deps). This behavior can be modified by passing a list of starlark files
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# to exclude from the dependency list as $(2)
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define run-starlark
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$(eval _starlark_results := $(OUT_DIR)/starlark_results/$(subst /,_,$(1)).mk)
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$(KATI_shell_no_rerun mkdir -p $(OUT_DIR)/starlark_results && $(OUT_DIR)/rbcrun --mode=make $(1) >$(_starlark_results) && touch -t 200001010000 $(_starlark_results))
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$(if $(filter-out 0,$(.SHELLSTATUS)),$(error Starlark failed to run))
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$(eval include $(_starlark_results))
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$(KATI_extra_file_deps $(LOADED_STARLARK_FILES))
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$(KATI_extra_file_deps $(filter-out $(2),$(LOADED_STARLARK_FILES)))
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$(eval LOADED_STARLARK_FILES :=)
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$(eval _starlark_results :=)
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endef
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90
core/release_config.bzl
Normal file
90
core/release_config.bzl
Normal file
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@ -0,0 +1,90 @@
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# Copyright (C) 2023 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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# Partitions that get build system flag summaries
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_flag_partitions = [
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"product",
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"system",
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"system_ext",
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"vendor",
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]
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def _combine_dicts_no_duplicate_keys(dicts):
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result = {}
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for d in dicts:
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for k, v in d.items():
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if k in result:
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fail("Duplicate key: " + k)
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result[k] = v
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return result
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def release_config(target_release, flag_definitions, config_maps, fail_if_no_release_config = True):
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result = {
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"_ALL_RELEASE_FLAGS": [flag.name for flag in flag_definitions],
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}
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all_flags = {}
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for flag in flag_definitions:
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if sorted(dir(flag)) != ["default", "name", "partitions"]:
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fail("Flag structs must contain 3 fields: name, partitions, and default")
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if not flag.partitions:
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fail("At least 1 partition is required")
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for partition in flag.partitions:
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if partition == "all":
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if len(flag.partitions) > 1:
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fail("\"all\" can't be combined with other partitions: " + str(flag.partitions))
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elif partition not in _flag_partitions:
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fail("Invalid partition: " + flag.partition + ", allowed partitions: " + str(_flag_partitions))
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if not flag.name.startswith("RELEASE_"):
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fail("Release flag names must start with RELEASE_")
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if " " in flag.name or "\t" in flag.name or "\n" in flag.name:
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fail("Flag names must not contain whitespace.")
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if flag.name in all_flags:
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fail("Duplicate declaration of flag " + flag.name)
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all_flags[flag.name] = True
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default = flag.default
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if type(default) == "bool":
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default = "true" if default else ""
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result["_ALL_RELEASE_FLAGS." + flag.name + ".PARTITIONS"] = flag.partitions
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result["_ALL_RELEASE_FLAGS." + flag.name + ".DEFAULT"] = default
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result["_ALL_RELEASE_FLAGS." + flag.name + ".VALUE"] = default
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# If TARGET_RELEASE is set, fail if there is no matching release config
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# If it isn't set, no release config files will be included and all flags
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# will get their default values.
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if target_release:
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config_map = _combine_dicts_no_duplicate_keys(config_maps)
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if target_release not in config_map:
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fail("No release config found for TARGET_RELEASE: " + target_release + ". Available releases are: " + str(config_map.keys()))
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release_config = config_map[target_release]
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if sorted(dir(release_config)) != ["flags", "release_version"]:
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fail("A release config must be a struct with a flags and release_version fields")
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result["_RELEASE_VERSION"] = release_config.release_version
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for flag in release_config.flags:
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if sorted(dir(release_config)) != ["name", "value"]:
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fail("A flag be a struct with name and value fields")
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if flag.name not in all_flags:
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fail("Undeclared build flag: " + flag.name)
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value = flag.value
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if type(value) == "bool":
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value = "true" if value else ""
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result["_ALL_RELEASE_FLAGS." + flag.name + ".VALUE"] = value
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elif fail_if_no_release_config:
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fail("FAIL_IF_NO_RELEASE_CONFIG was set and TARGET_RELEASE was not")
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else:
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# No TARGET_RELEASE means release version 0
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result["_RELEASE_VERSION"] = 0
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return result
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@ -12,78 +12,45 @@
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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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# Partitions that get build system flag summaries
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_FLAG_PARTITIONS := system vendor system_ext product
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# All possible release flags. Defined in the build_flags.mk files
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# throughout the tree
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_ALL_RELEASE_FLAGS :=
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# -----------------------------------------------------------------
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# Choose the flag files
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# Do this first, because we're going to unset TARGET_RELEASE before
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# including anyone, so they don't start making conditionals based on it.
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# If this is a google source tree, restrict it to only the one file
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# which has OWNERS control. If it isn't let others define their own.
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# TODO: Remove wildcard for build/release one when all branch manifests
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# have updated.
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config_map_files := $(wildcard build/release/release_config_map.mk) \
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$(if $(wildcard vendor/google/release/release_config_map.mk), \
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vendor/google/release/release_config_map.mk, \
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flag_declaration_files := $(wildcard build/release/build_flags.bzl) \
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$(if $(wildcard vendor/google/release/build_flags.bzl), \
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vendor/google/release/build_flags.bzl, \
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$(sort \
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$(wildcard device/*/release/release_config_map.mk) \
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$(wildcard device/*/*/release/release_config_map.mk) \
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$(wildcard vendor/*/release/release_config_map.mk) \
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$(wildcard vendor/*/*/release/release_config_map.mk) \
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$(wildcard device/*/release/build_flags.bzl) \
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$(wildcard device/*/*/release/build_flags.bzl) \
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$(wildcard vendor/*/release/build_flags.bzl) \
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$(wildcard vendor/*/*/release/build_flags.bzl) \
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) \
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)
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config_map_files := $(wildcard build/release/release_config_map.bzl) \
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$(if $(wildcard vendor/google/release/release_config_map.bzl), \
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vendor/google/release/release_config_map.bzl, \
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$(sort \
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$(wildcard device/*/release/release_config_map.bzl) \
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$(wildcard device/*/*/release/release_config_map.bzl) \
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$(wildcard vendor/*/release/release_config_map.bzl) \
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$(wildcard vendor/*/*/release/release_config_map.bzl) \
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) \
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)
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# $1 config name
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# $2 release config files
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define declare-release-config
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$(eval # No duplicates)
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$(if $(filter $(_all_release_configs), $(strip $(1))), \
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$(error declare-release-config: config $(strip $(1)) declared in: $(_included) Previously declared here: $(_all_release_configs.$(strip $(1)).DECLARED_IN)) \
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)
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$(eval # Must have release config files)
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$(if $(strip $(2)),, \
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$(error declare-release-config: config $(strip $(1)) must have release config files) \
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)
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$(eval _all_release_configs := $(sort $(_all_release_configs) $(strip $(1))))
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$(eval _all_release_configs.$(strip $(1)).DECLARED_IN := $(_included))
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$(eval _all_release_configs.$(strip $(1)).FILES := $(strip $(2)))
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endef
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# Include the config map files
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$(foreach f, $(config_map_files), \
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$(eval _included := $(f)) \
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$(eval include $(f)) \
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)
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# If TARGET_RELEASE is set, fail if there is no matching release config
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# If it isn't set, no release config files will be included and all flags
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# will get their default values.
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ifneq ($(TARGET_RELEASE),)
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ifeq ($(filter $(_all_release_configs), $(TARGET_RELEASE)),)
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$(error No release config found for TARGET_RELEASE: $(TARGET_RELEASE). Available releases are: $(_all_release_configs))
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else
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# Choose flag files
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# Don't sort this, use it in the order they gave us.
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_release_config_files := $(_all_release_configs.$(TARGET_RELEASE).FILES)
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endif
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else
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# Useful for finding scripts etc that aren't passing or setting TARGET_RELEASE
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ifneq ($(FAIL_IF_NO_RELEASE_CONFIG),)
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$(error FAIL_IF_NO_RELEASE_CONFIG was set and TARGET_RELEASE was not)
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endif
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_release_config_files :=
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endif
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# Unset variables so they can't use it
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define declare-release-config
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$(error declare-release-config can only be called from inside release_config_map.mk files)
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endef
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# Because starlark can't find files with $(wildcard), write an entrypoint starlark script that
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# contains the result of the above wildcards for the starlark code to use.
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filename_to_starlark=$(subst /,_,$(subst .,_,$(1)))
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_c:=load("//build/make/core/release_config.bzl", "release_config")
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_c+=$(foreach f,$(flag_declaration_files),$(newline)load("//$(f)", flags_$(call filename_to_starlark,$(f)) = "flags"))
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_c+=$(foreach f,$(config_map_files),$(newline)load("//$(f)", config_maps_$(call filename_to_starlark,$(f)) = "config_maps"))
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_c+=$(newline)all_flags = [] $(foreach f,$(flag_declaration_files),+ flags_$(call filename_to_starlark,$(f)))
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_c+=$(newline)all_config_maps = [$(foreach f,$(config_map_files),config_maps_$(call filename_to_starlark,$(f))$(comma))]
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_c+=$(newline)target_release = "$(TARGET_RELEASE)"
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_c+=$(newline)fail_if_no_release_config = True if "$(FAIL_IF_NO_RELEASE_CONFIG)" else False
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_c+=$(newline)variables_to_export_to_make = release_config(target_release, all_flags, all_config_maps, fail_if_no_release_config)
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$(file >$(OUT_DIR)/release_config_entrypoint.bzl,$(_c))
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_c:=
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filename_to_starlark:=
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# TODO: Remove this check after enough people have sourced lunch that we don't
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# need to worry about it trying to do get_build_vars TARGET_RELEASE. Maybe after ~9/2023
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@ -96,127 +63,7 @@ TARGET_RELEASE:=
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endif
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.KATI_READONLY := TARGET_RELEASE
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$(foreach config, $(_all_release_configs), \
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$(eval _all_release_configs.$(config).DECLARED_IN:= ) \
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$(eval _all_release_configs.$(config).FILES:= ) \
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)
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_all_release_configs:=
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config_map_files:=
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# -----------------------------------------------------------------
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# Declare the flags
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# $1 partition(s)
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# $2 flag name. Must start with RELEASE_
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# $3 default. True or false
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define declare-build-flag
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$(if $(filter-out all $(_FLAG_PARTITIONS), $(strip $(1))), \
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$(error declare-build-flag: invalid partitions: $(strip $(1))) \
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)
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$(if $(and $(filter all,$(strip $(1))),$(filter-out all, $(strip $(1)))), \
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$(error declare-build-flag: "all" can't be combined with other partitions: $(strip $(1))), \
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$(eval declare-build-flag.partition := $(_FLAG_PARTITIONS)) \
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)
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$(if $(filter-out RELEASE_%, $(strip $(2))), \
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$(error declare-build-flag: Release flag names must start with RELEASE_: $(strip $(2))) \
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)
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$(eval _ALL_RELEASE_FLAGS += $(strip $(2)))
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$(foreach partition, $(declare-build-flag.partition), \
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$(eval _ALL_RELEASE_FLAGS.PARTITIONS.$(partition) := $(sort \
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$(_ALL_RELEASE_FLAGS.PARTITIONS.$(partition)) $(strip $(2)))) \
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)
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$(eval _ALL_RELEASE_FLAGS.$(strip $(2)).PARTITIONS := $(declare-build-flag.partition))
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$(eval _ALL_RELEASE_FLAGS.$(strip $(2)).DEFAULT := $(strip $(3)))
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$(eval _ALL_RELEASE_FLAGS.$(strip $(2)).DECLARED_IN := $(_included))
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$(eval _ALL_RELEASE_FLAGS.$(strip $(2)).VALUE := $(strip $(3)))
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$(eval _ALL_RELEASE_FLAGS.$(strip $(2)).SET_IN := $(_included))
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$(eval declare-build-flag.partition:=)
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endef
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# Choose the files
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# If this is a google source tree, restrict it to only the one file
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# which has OWNERS control. If it isn't let others define their own.
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flag_declaration_files := $(wildcard build/release/build_flags.mk) \
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$(if $(wildcard vendor/google/release/build_flags.mk), \
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vendor/google/release/build_flags.mk, \
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$(sort \
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$(wildcard device/*/release/build_flags.mk) \
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$(wildcard device/*/*/release/build_flags.mk) \
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$(wildcard vendor/*/release/build_flags.mk) \
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$(wildcard vendor/*/*/release/build_flags.mk) \
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) \
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)
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# Include the files
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$(foreach f, $(flag_declaration_files), \
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$(eval _included := $(f)) \
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$(eval include $(f)) \
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)
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# Don't let anyone declare build flags after here
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define declare-build-flag
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$(error declare-build-flag can only be called from inside flag definition files.)
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endef
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# No more flags from here on
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.KATI_READONLY := _ALL_RELEASE_FLAGS
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# -----------------------------------------------------------------
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# Set the flags
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# $(1): Flag name. Must start with RELEASE_ and have been defined by declare-build-flag
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# $(2): Value. True or false
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define set-build-flag
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$(if $(filter-out $(_ALL_RELEASE_FLAGS), $(strip $(1))), \
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$(error set-build-flag: Undeclared build flag: $(strip $(1))) \
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)
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$(eval _ALL_RELEASE_FLAGS.$(strip $(1)).VALUE := $(strip $(2)))
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$(eval _ALL_RELEASE_FLAGS.$(strip $(1)).SET_IN := $(_included))
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endef
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# This writes directly to a file so that the version never exists in make for
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# people to write conditionals upon.
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define set-release-version
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$(eval _RELEASE_VERSION := $(strip $(1)))
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endef
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# Include the files (if there are any)
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ifneq ($(strip $(_release_config_files)),)
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$(foreach f, $(_release_config_files), \
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$(eval _included := $(f)) \
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$(eval include $(f)) \
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)
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else
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# No TARGET_RELEASE means release version 0
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$(call set-release-version, 0)
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endif
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ifeq ($(_RELEASE_VERSION)),)
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$(error No release config file called set-release-version. Included files were: $(_release_config_files))
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endif
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# Don't let anyone declare build flags after here
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define set-build-flag
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$(error set-build-flag can only be called from inside release config files.)
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endef
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# Don't let anyone set the release version after here
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define set-release-version
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$(error set-release-version can only be called from inside release config files.)
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endef
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# Set the flag values, and don't allow any one to modify them.
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$(foreach flag, $(_ALL_RELEASE_FLAGS), \
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$(eval $(flag) := $(_ALL_RELEASE_FLAGS.$(flag).VALUE)) \
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$(eval .KATI_READONLY := $(flag)) \
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)
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# -----------------------------------------------------------------
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# Clear out vars
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flag_declaration_files:=
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flag_files:=
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_included:=
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_release_config_files:=
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# Exclude the entrypoint file as a dependency (by passing it as the 2nd argument) so that we don't
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# rerun kati every build. Kati will replay the $(file) command that generates it every build,
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# updating its timestamp.
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$(call run-starlark,$(OUT_DIR)/release_config_entrypoint.bzl,$(OUT_DIR)/release_config_entrypoint.bzl)
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