Add IsModulePreferred
Bug: 177892522
Test: m nothing
Change-Id: I47268b81359d6fceb60e899a730b3b6034e09814
diff --git a/android/prebuilt.go b/android/prebuilt.go
index ebccaa7..b43d238 100644
--- a/android/prebuilt.go
+++ b/android/prebuilt.go
@@ -213,6 +213,26 @@
Prebuilt() *Prebuilt
}
+// IsModulePreferred returns true if the given module is preferred.
+//
+// A source module is preferred if there is no corresponding prebuilt module or the prebuilt module
+// does not have "prefer: true".
+//
+// A prebuilt module is preferred if there is no corresponding source module or the prebuilt module
+// has "prefer: true".
+func IsModulePreferred(module Module) bool {
+ if module.IsReplacedByPrebuilt() {
+ // A source module that has been replaced by a prebuilt counterpart.
+ return false
+ }
+ if prebuilt, ok := module.(PrebuiltInterface); ok {
+ if p := prebuilt.Prebuilt(); p != nil {
+ return p.UsePrebuilt()
+ }
+ }
+ return true
+}
+
func RegisterPrebuiltsPreArchMutators(ctx RegisterMutatorsContext) {
ctx.BottomUp("prebuilt_rename", PrebuiltRenameMutator).Parallel()
}