d61f1f4559
Test: Manually generated CMakeLists.txt for gui/ui/aapt2. Change-Id: I7dedc300c1e50b8e39bc58091b650c0bbe2c62da
50 lines
1.6 KiB
Go
50 lines
1.6 KiB
Go
// Copyright 2015 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 android
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import (
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"android/soong/env"
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"github.com/google/blueprint"
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)
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// This file supports dependencies on environment variables. During build manifest generation,
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// any dependency on an environment variable is added to a list. During the singleton phase
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// a JSON file is written containing the current value of all used environment variables.
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// The next time the top-level build script is run, it uses the soong_env executable to
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// compare the contents of the environment variables, rewriting the file if necessary to cause
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// a manifest regeneration.
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func EnvSingleton() blueprint.Singleton {
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return &envSingleton{}
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}
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type envSingleton struct{}
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func (c *envSingleton) GenerateBuildActions(ctx blueprint.SingletonContext) {
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envDeps := ctx.Config().(Config).EnvDeps()
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envFile := PathForOutput(ctx, ".soong.environment")
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if ctx.Failed() {
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return
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}
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err := env.WriteEnvFile(envFile.String(), envDeps)
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if err != nil {
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ctx.Errorf(err.Error())
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}
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ctx.AddNinjaFileDeps(envFile.String())
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}
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