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111 lines
3.1 KiB
111 lines
3.1 KiB
// Copyright 2020 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 "path/filepath"
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func init() {
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RegisterModuleType("prebuilt_build_tool", prebuiltBuildToolFactory)
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}
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type prebuiltBuildToolProperties struct {
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// Source file to be executed for this build tool
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Src *string `android:"path,arch_variant"`
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// Extra files that should trigger rules using this tool to rebuild
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Deps []string `android:"path,arch_variant"`
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// Create a make variable with the specified name that contains the path to
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// this prebuilt built tool, relative to the root of the source tree.
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Export_to_make_var *string
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}
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type prebuiltBuildTool struct {
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ModuleBase
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prebuilt Prebuilt
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properties prebuiltBuildToolProperties
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toolPath OptionalPath
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}
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func (t *prebuiltBuildTool) Name() string {
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return t.prebuilt.Name(t.ModuleBase.Name())
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}
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func (t *prebuiltBuildTool) Prebuilt() *Prebuilt {
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return &t.prebuilt
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}
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func (t *prebuiltBuildTool) DepsMutator(ctx BottomUpMutatorContext) {
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if t.properties.Src == nil {
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ctx.PropertyErrorf("src", "missing prebuilt source file")
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}
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}
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func (t *prebuiltBuildTool) GenerateAndroidBuildActions(ctx ModuleContext) {
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sourcePath := t.prebuilt.SingleSourcePath(ctx)
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installedPath := PathForModuleOut(ctx, t.BaseModuleName())
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deps := PathsForModuleSrc(ctx, t.properties.Deps)
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var fromPath = sourcePath.String()
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if !filepath.IsAbs(fromPath) {
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fromPath = "$$PWD/" + fromPath
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}
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ctx.Build(pctx, BuildParams{
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Rule: Symlink,
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Output: installedPath,
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Input: sourcePath,
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Implicits: deps,
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Args: map[string]string{
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"fromPath": fromPath,
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},
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})
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packagingDir := PathForModuleInstall(ctx, t.BaseModuleName())
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ctx.PackageFile(packagingDir, sourcePath.String(), sourcePath)
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for _, dep := range deps {
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ctx.PackageFile(packagingDir, dep.String(), dep)
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}
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t.toolPath = OptionalPathForPath(installedPath)
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}
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func (t *prebuiltBuildTool) MakeVars(ctx MakeVarsModuleContext) {
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if makeVar := String(t.properties.Export_to_make_var); makeVar != "" {
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if t.Target().Os != BuildOs {
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return
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}
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ctx.StrictRaw(makeVar, t.toolPath.String())
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}
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}
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func (t *prebuiltBuildTool) HostToolPath() OptionalPath {
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return t.toolPath
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}
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var _ HostToolProvider = &prebuiltBuildTool{}
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// prebuilt_build_tool is to declare prebuilts to be used during the build, particularly for use
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// in genrules with the "tools" property.
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func prebuiltBuildToolFactory() Module {
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module := &prebuiltBuildTool{}
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module.AddProperties(&module.properties)
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InitSingleSourcePrebuiltModule(module, &module.properties, "Src")
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InitAndroidArchModule(module, HostSupportedNoCross, MultilibFirst)
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return module
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}
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