c61353222c
Include all_aconfig_declarations in the droid dist directory (identically to how it is already included in the sdk dist). For local builds, `printflags` is still the recommended way to read all_aconfig_declarations; the dist-ed files are intended as a way to inspect remote builds, such as CI builds. Bug: 324281288 Test: lunch aosp_oriole-trunk-eng && m droid dist && test -e out/dist/flags.pb && test -e out/dist/flags.textproto Change-Id: Ic29d69ab5014593a3f9213f8a5b55e0569922cc9
96 lines
3.5 KiB
Go
96 lines
3.5 KiB
Go
// Copyright 2023 Google Inc. All rights reserved.
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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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package aconfig
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import (
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"android/soong/android"
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"fmt"
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)
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// A singleton module that collects all of the aconfig flags declared in the
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// tree into a single combined file for export to the external flag setting
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// server (inside Google it's Gantry).
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//
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// Note that this is ALL aconfig_declarations modules present in the tree, not just
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// ones that are relevant to the product currently being built, so that that infra
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// doesn't need to pull from multiple builds and merge them.
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func AllAconfigDeclarationsFactory() android.Singleton {
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return &allAconfigDeclarationsSingleton{}
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}
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type allAconfigDeclarationsSingleton struct {
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intermediateBinaryProtoPath android.OutputPath
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intermediateTextProtoPath android.OutputPath
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}
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func (this *allAconfigDeclarationsSingleton) GenerateBuildActions(ctx android.SingletonContext) {
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// Find all of the aconfig_declarations modules
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var packages = make(map[string]int)
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var cacheFiles android.Paths
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ctx.VisitAllModules(func(module android.Module) {
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decl, ok := android.SingletonModuleProvider(ctx, module, android.AconfigDeclarationsProviderKey)
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if !ok {
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return
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}
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cacheFiles = append(cacheFiles, decl.IntermediateCacheOutputPath)
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packages[decl.Package]++
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})
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var numOffendingPkg = 0
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for pkg, cnt := range packages {
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if cnt > 1 {
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fmt.Printf("%d aconfig_declarations found for package %s\n", cnt, pkg)
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numOffendingPkg++
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}
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}
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if numOffendingPkg > 0 {
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panic(fmt.Errorf("Only one aconfig_declarations allowed for each package."))
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}
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// Generate build action for aconfig (binary proto output)
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this.intermediateBinaryProtoPath = android.PathForIntermediates(ctx, "all_aconfig_declarations.pb")
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ctx.Build(pctx, android.BuildParams{
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Rule: AllDeclarationsRule,
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Inputs: cacheFiles,
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Output: this.intermediateBinaryProtoPath,
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Description: "all_aconfig_declarations",
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Args: map[string]string{
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"cache_files": android.JoinPathsWithPrefix(cacheFiles, "--cache "),
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},
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})
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ctx.Phony("all_aconfig_declarations", this.intermediateBinaryProtoPath)
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// Generate build action for aconfig (text proto output)
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this.intermediateTextProtoPath = android.PathForIntermediates(ctx, "all_aconfig_declarations.textproto")
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ctx.Build(pctx, android.BuildParams{
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Rule: AllDeclarationsRuleTextProto,
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Inputs: cacheFiles,
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Output: this.intermediateTextProtoPath,
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Description: "all_aconfig_declarations_textproto",
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Args: map[string]string{
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"cache_files": android.JoinPathsWithPrefix(cacheFiles, "--cache "),
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},
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})
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ctx.Phony("all_aconfig_declarations_textproto", this.intermediateTextProtoPath)
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}
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func (this *allAconfigDeclarationsSingleton) MakeVars(ctx android.MakeVarsContext) {
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ctx.DistForGoal("droid", this.intermediateBinaryProtoPath)
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for _, goal := range []string{"droid", "sdk"} {
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ctx.DistForGoalWithFilename(goal, this.intermediateBinaryProtoPath, "flags.pb")
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ctx.DistForGoalWithFilename(goal, this.intermediateTextProtoPath, "flags.textproto")
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}
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}
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