platform_build_soong/phony/phony.go

64 lines
1.8 KiB
Go

// Copyright 2016 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 phony
import (
"fmt"
"io"
"strings"
"github.com/google/blueprint"
"android/soong/android"
)
func init() {
android.RegisterModuleType("phony", phonyFactory)
}
type phony struct {
android.ModuleBase
requiredModuleNames []string
}
func phonyFactory() (blueprint.Module, []interface{}) {
module := &phony{}
return android.InitAndroidModule(module)
}
func (p *phony) DepsMutator(ctx android.BottomUpMutatorContext) {
}
func (p *phony) GenerateAndroidBuildActions(ctx android.ModuleContext) {
p.requiredModuleNames = ctx.RequiredModuleNames()
if len(p.requiredModuleNames) == 0 {
ctx.PropertyErrorf("required", "phony must not have empty required dependencies in order to be useful(and therefore permitted).")
}
}
func (p *phony) AndroidMk() (ret android.AndroidMkData, err error) {
ret.Custom = func(w io.Writer, name, prefix, moduleDir string) error {
fmt.Fprintln(w, "\ninclude $(CLEAR_VARS)")
fmt.Fprintln(w, "LOCAL_PATH :=", moduleDir)
fmt.Fprintln(w, "LOCAL_MODULE :=", name)
fmt.Fprintln(w, "LOCAL_REQUIRED_MODULES := "+strings.Join(p.requiredModuleNames, " "))
fmt.Fprintln(w, "include $(BUILD_PHONY_PACKAGE)")
return nil
}
return
}