95 lines
2.6 KiB
Go
95 lines
2.6 KiB
Go
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// 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 (
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"path"
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"path/filepath"
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)
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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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}
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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.ModuleBase.Name())
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deps := PathsForModuleSrc(ctx, t.properties.Deps)
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relPath, err := filepath.Rel(path.Dir(installedPath.String()), sourcePath.String())
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if err != nil {
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ctx.ModuleErrorf("Unabled to generate symlink between %q and %q: %s", installedPath.String(), sourcePath.String())
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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": relPath,
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},
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})
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t.toolPath = OptionalPathForPath(installedPath)
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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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