Convert oemaids_headers / passwd / group to Soong (d32e6d13) · Commits · e / os / android_build

core/board_config.mk

+1 −0

Original line number	Diff line number	Diff line
		@@ -44,6 +44,7 @@ _board_strip_readonly_list := \
		TARGET_BOARD_PLATFORM \
		TARGET_BOARD_PLATFORM_GPU \
		TARGET_BOOTLOADER_BOARD_NAME \
		TARGET_FS_CONFIG_GEN \
		TARGET_NO_BOOTLOADER \
		TARGET_NO_KERNEL \
		TARGET_NO_RECOVERY \

core/soong_config.mk

+2 −0

Original line number	Diff line number	Diff line
		@@ -165,6 +165,8 @@ $(call add_json_list, ProductHiddenAPIStubs, $(PRODUCT_HIDDENAPI_STU
		$(call add_json_list, ProductHiddenAPIStubsSystem, $(PRODUCT_HIDDENAPI_STUBS_SYSTEM))
		$(call add_json_list, ProductHiddenAPIStubsTest, $(PRODUCT_HIDDENAPI_STUBS_TEST))

		$(call add_json_str, TargetFSConfigGen, $(TARGET_FS_CONFIG_GEN))

		$(call add_json_map, VendorVars)
		$(foreach namespace,$(SOONG_CONFIG_NAMESPACES),\
		$(call add_json_map, $(namespace))\

tools/fs_config/Android.bp

+74 −0

Original line number	Diff line number	Diff line
		@@ -12,6 +12,19 @@
		// See the License for the specific language governing permissions and
		// limitations under the License.

		bootstrap_go_package {
		name: "soong-fs_config",
		pkgPath: "android/soong/fs_config",
		deps: [
		"soong-android",
		"soong-genrule",
		],
		srcs: [
		"fs_config.go"
		],
		pluginFor: ["soong_build"],
		}

		cc_binary_host {
		name: "fs_config",
		srcs: ["fs_config.c"],
		@@ -21,3 +34,64 @@ cc_binary_host {
		],
		cflags: ["-Werror"],
		}

		target_fs_config_gen_filegroup {
		name: "target_fs_config_gen",
		}

		genrule {
		name: "oemaids_header_gen",
		tool_files: ["fs_config_generator.py"],
		cmd: "$(location fs_config_generator.py) oemaid --aid-header=$(location :android_filesystem_config_header) $(location :target_fs_config_gen) >$(out)",
		srcs: [
		":target_fs_config_gen",
		":android_filesystem_config_header",
		],
		out: ["generated_oem_aid.h"],
		}

		cc_library_headers {
		name: "oemaids_headers",
		generated_headers: ["oemaids_header_gen"],
		export_generated_headers: ["oemaids_header_gen"],
		}

		// Generate the vendor/etc/passwd text file for the target
		// This file may be empty if no AIDs are defined in
		// TARGET_FS_CONFIG_GEN files.
		genrule {
		name: "passwd_gen",
		tool_files: ["fs_config_generator.py"],
		cmd: "$(location fs_config_generator.py) passwd --required-prefix=vendor_ --aid-header=$(location :android_filesystem_config_header) $(location :target_fs_config_gen) >$(out)",
		srcs: [
		":target_fs_config_gen",
		":android_filesystem_config_header",
		],
		out: ["passwd"],
		}

		prebuilt_etc {
		name: "passwd",
		vendor: true,
		src: ":passwd_gen",
		}

		// Generate the vendor/etc/group text file for the target
		// This file may be empty if no AIDs are defined in
		// TARGET_FS_CONFIG_GEN files.
		genrule {
		name: "group_gen",
		tool_files: ["fs_config_generator.py"],
		cmd: "$(location fs_config_generator.py) group --required-prefix=vendor_ --aid-header=$(location :android_filesystem_config_header) $(location :target_fs_config_gen) >$(out)",
		srcs: [
		":target_fs_config_gen",
		":android_filesystem_config_header",
		],
		out: ["group"],
		}

		prebuilt_etc {
		name: "group",
		vendor: true,
		src: ":group_gen",
		}

tools/fs_config/Android.mk

+0 −61

Original line number	Diff line number	Diff line
		@@ -382,67 +382,6 @@ $(LOCAL_BUILT_MODULE): $(LOCAL_PATH)/fs_config_generator.py $(TARGET_FS_CONFIG_G
		$(or $(PRIVATE_TARGET_FS_CONFIG_GEN),/dev/null)
		endif

		##################################
		# Build the oemaid header library when fs config files are present.
		# Intentionally break build if you require generated AIDs
		# header file, but are not using any fs config files.
		ifneq ($(TARGET_FS_CONFIG_GEN),)
		include $(CLEAR_VARS)
		LOCAL_MODULE := oemaids_headers

		LOCAL_MODULE_CLASS := ETC

		# Generate the "generated_oem_aid.h" file
		oem := $(local-generated-sources-dir)/generated_oem_aid.h
		$(oem): PRIVATE_LOCAL_PATH := $(LOCAL_PATH)
		$(oem): PRIVATE_TARGET_FS_CONFIG_GEN := $(TARGET_FS_CONFIG_GEN)
		$(oem): PRIVATE_ANDROID_FS_HDR := $(system_android_filesystem_config)
		$(oem): PRIVATE_CUSTOM_TOOL = $(PRIVATE_LOCAL_PATH)/fs_config_generator.py oemaid --aid-header=$(PRIVATE_ANDROID_FS_HDR) $(PRIVATE_TARGET_FS_CONFIG_GEN) > $@
		$(oem): $(TARGET_FS_CONFIG_GEN) $(LOCAL_PATH)/fs_config_generator.py
		$(transform-generated-source)

		LOCAL_EXPORT_C_INCLUDE_DIRS := $(dir $(oem))
		LOCAL_EXPORT_C_INCLUDE_DEPS := $(oem)

		include $(BUILD_HEADER_LIBRARY)
		endif

		##################################
		# Generate the vendor/etc/passwd text file for the target
		# This file may be empty if no AIDs are defined in
		# TARGET_FS_CONFIG_GEN files.
		include $(CLEAR_VARS)

		LOCAL_MODULE := passwd
		LOCAL_MODULE_CLASS := ETC
		LOCAL_VENDOR_MODULE := true

		include $(BUILD_SYSTEM)/base_rules.mk

		$(LOCAL_BUILT_MODULE): PRIVATE_TARGET_FS_CONFIG_GEN := $(TARGET_FS_CONFIG_GEN)
		$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_FS_HDR := $(system_android_filesystem_config)
		$(LOCAL_BUILT_MODULE): $(LOCAL_PATH)/fs_config_generator.py $(TARGET_FS_CONFIG_GEN) $(system_android_filesystem_config)
		@mkdir -p $(dir $@)
		$(hide) $< passwd --required-prefix=vendor_ --aid-header=$(PRIVATE_ANDROID_FS_HDR) $(or $(PRIVATE_TARGET_FS_CONFIG_GEN),/dev/null) > $@

		##################################
		# Generate the vendor/etc/group text file for the target
		# This file may be empty if no AIDs are defined in
		# TARGET_FS_CONFIG_GEN files.
		include $(CLEAR_VARS)

		LOCAL_MODULE := group
		LOCAL_MODULE_CLASS := ETC
		LOCAL_VENDOR_MODULE := true

		include $(BUILD_SYSTEM)/base_rules.mk

		$(LOCAL_BUILT_MODULE): PRIVATE_TARGET_FS_CONFIG_GEN := $(TARGET_FS_CONFIG_GEN)
		$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_FS_HDR := $(system_android_filesystem_config)
		$(LOCAL_BUILT_MODULE): $(LOCAL_PATH)/fs_config_generator.py $(TARGET_FS_CONFIG_GEN) $(system_android_filesystem_config)
		@mkdir -p $(dir $@)
		$(hide) $< group --required-prefix=vendor_ --aid-header=$(PRIVATE_ANDROID_FS_HDR) $(or $(PRIVATE_TARGET_FS_CONFIG_GEN),/dev/null) > $@

		system_android_filesystem_config :=
		system_capability_header :=
		fs_config_generate_extra_partition_list :=

tools/fs_config/fs_config.go

0 → 100644

+60 −0

Original line number	Diff line number	Diff line
		// Copyright (C) 2019 The Android Open Source Project
		//
		// Licensed under the Apache License, Version 2.0 (the "License");
		// you may not use this file except in compliance with the License.
		// You may obtain a copy of the License at
		//
		// http://www.apache.org/licenses/LICENSE-2.0
		//
		// Unless required by applicable law or agreed to in writing, software
		// distributed under the License is distributed on an "AS IS" BASIS,
		// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		// See the License for the specific language governing permissions and
		// limitations under the License.

		package fs_config

		import (
		"android/soong/android"
		)

		var pctx = android.NewPackageContext("android/soong/fs_config")

		func init() {
		android.RegisterModuleType("target_fs_config_gen_filegroup", targetFSConfigGenFactory)
		}

		// target_fs_config_gen_filegroup is used to expose the file pointed to by TARGET_FS_CONFIG_GEN to
		// genrules in Soong. If TARGET_FS_CONFIG_GEN is empty, it will export an empty file instead.
		func targetFSConfigGenFactory() android.Module {
		module := &targetFSConfigGen{}
		android.InitAndroidModule(module)
		return module
		}

		var _ android.SourceFileProducer = (*targetFSConfigGen)(nil)

		type targetFSConfigGen struct {
		android.ModuleBase
		path android.Path
		}

		func (targetFSConfigGen) DepsMutator(ctx android.BottomUpMutatorContext) {}

		func (t *targetFSConfigGen) GenerateAndroidBuildActions(ctx android.ModuleContext) {
		if ret := ctx.DeviceConfig().TargetFSConfigGen(); ret != nil && *ret != "" {
		t.path = android.PathForSource(ctx, *ret)
		} else {
		path := android.PathForModuleGen(ctx, "empty")
		t.path = path

		rule := android.NewRuleBuilder()
		rule.Command().Text("rm -rf").Output(path)
		rule.Command().Text("touch").Output(path)
		rule.Build(pctx, ctx, "fs_config_empty", "create empty file")
		}
		}

		func (t *targetFSConfigGen) Srcs() android.Paths {
		return android.Paths{t.path}
		}