1 // Copyright 2016 Google Inc. All rights reserved. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 package phony 16 17 import ( 18 "fmt" 19 "io" 20 "strings" 21 22 "android/soong/android" 23 ) 24 25 func init() { 26 android.RegisterModuleType("phony", phonyFactory) 27 } 28 29 type phony struct { 30 android.ModuleBase 31 requiredModuleNames []string 32 } 33 34 func phonyFactory() android.Module { 35 module := &phony{} 36 37 android.InitAndroidModule(module) 38 return module 39 } 40 41 func (p *phony) DepsMutator(ctx android.BottomUpMutatorContext) { 42 } 43 44 func (p *phony) GenerateAndroidBuildActions(ctx android.ModuleContext) { 45 p.requiredModuleNames = ctx.RequiredModuleNames() 46 if len(p.requiredModuleNames) == 0 { 47 ctx.PropertyErrorf("required", "phony must not have empty required dependencies in order to be useful(and therefore permitted).") 48 } 49 } 50 51 func (p *phony) AndroidMk() (ret android.AndroidMkData, err error) { 52 ret.Custom = func(w io.Writer, name, prefix, moduleDir string) error { 53 fmt.Fprintln(w, "\ninclude $(CLEAR_VARS)") 54 fmt.Fprintln(w, "LOCAL_PATH :=", moduleDir) 55 fmt.Fprintln(w, "LOCAL_MODULE :=", name) 56 fmt.Fprintln(w, "LOCAL_REQUIRED_MODULES := "+strings.Join(p.requiredModuleNames, " ")) 57 fmt.Fprintln(w, "include $(BUILD_PHONY_PACKAGE)") 58 59 return nil 60 } 61 return 62 } 63
