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