platform_build_soong/android/makefile_goal.go

100 lines
3.0 KiB
Go

// 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 (
"fmt"
"io"
"path/filepath"
"github.com/google/blueprint/proptools"
)
func init() {
RegisterModuleType("makefile_goal", MakefileGoalFactory)
}
type makefileGoalProperties struct {
// Sources.
// Makefile goal output file path, relative to PRODUCT_OUT.
Product_out_path *string
}
type makefileGoal struct {
ModuleBase
properties makefileGoalProperties
// Destination. Output file path of this module.
outputFilePath OutputPath
}
var _ AndroidMkEntriesProvider = (*makefileGoal)(nil)
var _ OutputFileProducer = (*makefileGoal)(nil)
// Input file of this makefile_goal module. Nil if none specified. May use variable names in makefiles.
func (p *makefileGoal) inputPath() *string {
if p.properties.Product_out_path != nil {
return proptools.StringPtr(filepath.Join("$(PRODUCT_OUT)", proptools.String(p.properties.Product_out_path)))
}
return nil
}
// OutputFileProducer
func (p *makefileGoal) OutputFiles(tag string) (Paths, error) {
if tag != "" {
return nil, fmt.Errorf("unsupported tag %q", tag)
}
return Paths{p.outputFilePath}, nil
}
// AndroidMkEntriesProvider
func (p *makefileGoal) DepsMutator(ctx BottomUpMutatorContext) {
if p.inputPath() == nil {
ctx.PropertyErrorf("product_out_path", "Path relative to PRODUCT_OUT required")
}
}
func (p *makefileGoal) GenerateAndroidBuildActions(ctx ModuleContext) {
filename := filepath.Base(proptools.String(p.inputPath()))
p.outputFilePath = PathForModuleOut(ctx, filename).OutputPath
ctx.InstallFile(PathForModuleInstall(ctx, "etc"), ctx.ModuleName(), p.outputFilePath)
}
func (p *makefileGoal) AndroidMkEntries() []AndroidMkEntries {
return []AndroidMkEntries{AndroidMkEntries{
Class: "ETC",
OutputFile: OptionalPathForPath(p.outputFilePath),
ExtraFooters: []AndroidMkExtraFootersFunc{
func(w io.Writer, name, prefix, moduleDir string, entries *AndroidMkEntries) {
// Can't use Cp because inputPath() is not a valid Path.
fmt.Fprintf(w, "$(eval $(call copy-one-file,%s,%s))\n", proptools.String(p.inputPath()), p.outputFilePath)
},
},
}}
}
// Import a Makefile goal to Soong by copying the file built by
// the goal to a path visible to Soong. This rule only works on boot images.
func MakefileGoalFactory() Module {
module := &makefileGoal{}
module.AddProperties(&module.properties)
// This module is device-only
InitAndroidArchModule(module, DeviceSupported, MultilibFirst)
return module
}