diff --git a/android/androidmk.go b/android/androidmk.go index a0ed1e449..004ae9edf 100644 --- a/android/androidmk.go +++ b/android/androidmk.go @@ -852,6 +852,7 @@ func translateAndroidModule(ctx SingletonContext, w io.Writer, mod blueprint.Mod case "*java.SystemModules": // doesn't go through base_rules case "*java.systemModulesImport": // doesn't go through base_rules case "*phony.phony": // license properties written + case "*phony.PhonyRule": // writes phony deps and acts like `.PHONY` case "*selinux.selinuxContextsModule": // license properties written case "*sysprop.syspropLibrary": // license properties written default: diff --git a/phony/phony.go b/phony/phony.go index a8b651aa8..bb4878899 100644 --- a/phony/phony.go +++ b/phony/phony.go @@ -24,6 +24,7 @@ import ( func init() { android.RegisterModuleType("phony", PhonyFactory) + android.RegisterModuleType("phony_rule", PhonyRuleFactory) } type phony struct { @@ -71,3 +72,40 @@ func (p *phony) AndroidMk() android.AndroidMkData { }, } } + +type PhonyRule struct { + android.ModuleBase + + properties PhonyProperties +} + +type PhonyProperties struct { + // The Phony_deps is the set of all dependencies for this target, + // and it can function similarly to .PHONY in a makefile. + // Additionally, dependencies within it can even include genrule. + Phony_deps []string +} + +// The phony_rule provides functionality similar to the .PHONY in a makefile. +// It can create a phony target and include relevant dependencies associated with it. +func PhonyRuleFactory() android.Module { + module := &PhonyRule{} + android.InitAndroidModule(module) + module.AddProperties(&module.properties) + return module +} + +func (p *PhonyRule) GenerateAndroidBuildActions(ctx android.ModuleContext) { +} + +func (p *PhonyRule) AndroidMk() android.AndroidMkData { + return android.AndroidMkData{ + Custom: func(w io.Writer, name, prefix, moduleDir string, data android.AndroidMkData) { + if len(p.properties.Phony_deps) > 0 { + depModulesStr := strings.Join(p.properties.Phony_deps, " ") + fmt.Fprintln(w, ".PHONY:", name) + fmt.Fprintln(w, name, ":", depModulesStr) + } + }, + } +}