// Copyright 2023 Google Inc. All rights reserved. // // 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 aconfig import ( "android/soong/android" ) // A singleton module that collects all of the aconfig flags declared in the // tree into a single combined file for export to the external flag setting // server (inside Google it's Gantry). // // Note that this is ALL aconfig_declarations modules present in the tree, not just // ones that are relevant to the product currently being built, so that that infra // doesn't need to pull from multiple builds and merge them. func AllAconfigDeclarationsFactory() android.Singleton { return &allAconfigDeclarationsSingleton{} } type allAconfigDeclarationsSingleton struct { intermediatePath android.OutputPath } func (this *allAconfigDeclarationsSingleton) GenerateBuildActions(ctx android.SingletonContext) { // Find all of the aconfig_declarations modules var cacheFiles android.Paths ctx.VisitAllModules(func(module android.Module) { if !ctx.ModuleHasProvider(module, declarationsProviderKey) { return } decl := ctx.ModuleProvider(module, declarationsProviderKey).(declarationsProviderData) cacheFiles = append(cacheFiles, decl.IntermediatePath) }) // Generate build action for aconfig this.intermediatePath = android.PathForIntermediates(ctx, "all_aconfig_declarations.pb") ctx.Build(pctx, android.BuildParams{ Rule: allDeclarationsRule, Inputs: cacheFiles, Output: this.intermediatePath, Description: "all_aconfig_declarations", Args: map[string]string{ "cache_files": android.JoinPathsWithPrefix(cacheFiles, "--cache "), }, }) ctx.Phony("all_aconfig_declarations", this.intermediatePath) } func (this *allAconfigDeclarationsSingleton) MakeVars(ctx android.MakeVarsContext) { ctx.DistForGoal("droid", this.intermediatePath) }