79 lines
3.2 KiB
Go
79 lines
3.2 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 build_flags
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import (
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"android/soong/android"
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)
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// A singleton module that collects all of the build 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 build_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 AllBuildFlagDeclarationsFactory() android.Singleton {
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return &allBuildFlagDeclarationsSingleton{}
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}
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type allBuildFlagDeclarationsSingleton 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 *allBuildFlagDeclarationsSingleton) GenerateBuildActions(ctx android.SingletonContext) {
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// Find all of the build_flag_declarations modules
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var intermediateFiles android.Paths
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ctx.VisitAllModules(func(module android.Module) {
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decl, ok := android.OtherModuleProvider(ctx, module, BuildFlagDeclarationsProviderKey)
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if !ok {
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return
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}
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intermediateFiles = append(intermediateFiles, decl.IntermediateCacheOutputPath)
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})
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// Generate build action for build_flag (binary proto output)
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this.intermediateBinaryProtoPath = android.PathForIntermediates(ctx, "all_build_flag_declarations.pb")
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ctx.Build(pctx, android.BuildParams{
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Rule: allDeclarationsRule,
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Inputs: intermediateFiles,
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Output: this.intermediateBinaryProtoPath,
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Description: "all_build_flag_declarations",
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Args: map[string]string{
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"intermediates": android.JoinPathsWithPrefix(intermediateFiles, "--intermediate "),
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},
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})
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ctx.Phony("all_build_flag_declarations", this.intermediateBinaryProtoPath)
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// Generate build action for build_flag (text proto output)
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this.intermediateTextProtoPath = android.PathForIntermediates(ctx, "all_build_flag_declarations.textproto")
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ctx.Build(pctx, android.BuildParams{
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Rule: allDeclarationsRuleTextProto,
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Input: this.intermediateBinaryProtoPath,
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Output: this.intermediateTextProtoPath,
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Description: "all_build_flag_declarations_textproto",
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})
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ctx.Phony("all_build_flag_declarations_textproto", this.intermediateTextProtoPath)
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}
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func (this *allBuildFlagDeclarationsSingleton) MakeVars(ctx android.MakeVarsContext) {
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ctx.DistForGoal("droid", this.intermediateBinaryProtoPath)
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for _, goal := range []string{"docs", "droid", "sdk"} {
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ctx.DistForGoalWithFilename(goal, this.intermediateBinaryProtoPath, "build_flags/all_flags.pb")
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ctx.DistForGoalWithFilename(goal, this.intermediateTextProtoPath, "build_flags/all_flags.textproto")
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}
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}
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