Merge changes from topic 'prebuilts'

* changes:
  Add support for binary and static library and prebuilts
  Rename to cc_prebuilts_library_shared
  Fix installing prebuilts with no source module

android/prebuilt.go

@@ -76,10 +76,15 @@ func prebuiltMutator(ctx BottomUpMutatorContext) {
 	}
 }
 
-// PrebuiltSelectModuleMutator marks prebuilts that are overriding source modules, and disables
-// installing the source module.
+// PrebuiltSelectModuleMutator marks prebuilts that are used, either overriding source modules or
+// because the source module doesn't exist.  It also disables installing overridden source modules.
 func PrebuiltSelectModuleMutator(ctx TopDownMutatorContext) {
-	if s, ok := ctx.Module().(Module); ok {
+	if m, ok := ctx.Module().(PrebuiltInterface); ok && m.Prebuilt() != nil {
+		p := m.Prebuilt()
+		if !p.Properties.SourceExists {
+			p.Properties.UsePrebuilt = p.usePrebuilt(ctx, nil)
+		}
+	} else if s, ok := ctx.Module().(Module); ok {
 		ctx.VisitDirectDeps(func(m blueprint.Module) {
 			if ctx.OtherModuleDependencyTag(m) == prebuiltDepTag {
 				p := m.(PrebuiltInterface).Prebuilt()
@@ -121,5 +126,5 @@ func (p *Prebuilt) usePrebuilt(ctx TopDownMutatorContext, source Module) bool {
 		return true
 	}
 
-	return !source.Enabled()
+	return source == nil || !source.Enabled()
 }

android/prebuilt_test.go

@@ -144,20 +144,33 @@ func TestPrebuilts(t *testing.T) {
 				t.Fatalf("failed to find module foo")
 			}
 
+			var dependsOnSourceModule, dependsOnPrebuiltModule bool
+			ctx.VisitDirectDeps(foo, func(m blueprint.Module) {
+				if _, ok := m.(*sourceModule); ok {
+					dependsOnSourceModule = true
+				}
+				if p, ok := m.(*prebuiltModule); ok {
+					dependsOnPrebuiltModule = true
+					if !p.Prebuilt().Properties.UsePrebuilt {
+						t.Errorf("dependency on prebuilt module not marked used")
+					}
+				}
+			})
+
 			if test.prebuilt {
-				if !foo.(*sourceModule).dependsOnPrebuiltModule {
+				if !dependsOnPrebuiltModule {
 					t.Errorf("doesn't depend on prebuilt module")
 				}
 
-				if foo.(*sourceModule).dependsOnSourceModule {
+				if dependsOnSourceModule {
 					t.Errorf("depends on source module")
 				}
 			} else {
-				if foo.(*sourceModule).dependsOnPrebuiltModule {
+				if dependsOnPrebuiltModule {
 					t.Errorf("depends on prebuilt module")
 				}
 
-				if !foo.(*sourceModule).dependsOnSourceModule {
+				if !dependsOnSourceModule {
 					t.Errorf("doens't depend on source module")
 				}
 			}
@@ -209,14 +222,6 @@ func (s *sourceModule) DepsMutator(ctx BottomUpMutatorContext) {
 }
 
 func (s *sourceModule) GenerateAndroidBuildActions(ctx ModuleContext) {
-	ctx.VisitDirectDeps(func(m blueprint.Module) {
-		if _, ok := m.(*sourceModule); ok {
-			s.dependsOnSourceModule = true
-		}
-		if _, ok := m.(*prebuiltModule); ok {
-			s.dependsOnPrebuiltModule = true
-		}
-	})
 }
 
 func findModule(ctx *blueprint.Context, name string) blueprint.Module {

cc/prebuilt.go

@@ -21,7 +21,9 @@ import (
 )
 
 func init() {
-	android.RegisterModuleType("cc_prebuilt_shared_library", prebuiltSharedLibraryFactory)
+	android.RegisterModuleType("cc_prebuilt_library_shared", prebuiltSharedLibraryFactory)
+	android.RegisterModuleType("cc_prebuilt_library_static", prebuiltStaticLibraryFactory)
+	android.RegisterModuleType("cc_prebuilt_binary", prebuiltBinaryFactory)
 }
 
 type prebuiltLinkerInterface interface {
@@ -29,17 +31,21 @@ type prebuiltLinkerInterface interface {
 	prebuilt() *android.Prebuilt
 }
 
-type prebuiltLibraryLinker struct {
-	*libraryDecorator
+type prebuiltLinker struct {
 	android.Prebuilt
 }
 
-var _ prebuiltLinkerInterface = (*prebuiltLibraryLinker)(nil)
-
-func (p *prebuiltLibraryLinker) prebuilt() *android.Prebuilt {
+func (p *prebuiltLinker) prebuilt() *android.Prebuilt {
 	return &p.Prebuilt
 }
 
+type prebuiltLibraryLinker struct {
+	*libraryDecorator
+	prebuiltLinker
+}
+
+var _ prebuiltLinkerInterface = (*prebuiltLibraryLinker)(nil)
+
 func (p *prebuiltLibraryLinker) linkerProps() []interface{} {
 	props := p.libraryDecorator.linkerProps()
 	return append(props, &p.Prebuilt.Properties)
@@ -61,13 +67,61 @@ func (p *prebuiltLibraryLinker) link(ctx ModuleContext,
 
 func prebuiltSharedLibraryFactory() (blueprint.Module, []interface{}) {
 	module, library := NewLibrary(android.HostAndDeviceSupported)
+	library.BuildOnlyShared()
 	module.compiler = nil
 
 	prebuilt := &prebuiltLibraryLinker{
 		libraryDecorator: library,
 	}
 	module.linker = prebuilt
-	module.installer = prebuilt
+
+	return module.Init()
+}
+
+func prebuiltStaticLibraryFactory() (blueprint.Module, []interface{}) {
+	module, library := NewLibrary(android.HostAndDeviceSupported)
+	library.BuildOnlyStatic()
+	module.compiler = nil
+
+	prebuilt := &prebuiltLibraryLinker{
+		libraryDecorator: library,
+	}
+	module.linker = prebuilt
+
+	return module.Init()
+}
+
+type prebuiltBinaryLinker struct {
+	*binaryDecorator
+	prebuiltLinker
+}
+
+var _ prebuiltLinkerInterface = (*prebuiltBinaryLinker)(nil)
+
+func (p *prebuiltBinaryLinker) linkerProps() []interface{} {
+	props := p.binaryDecorator.linkerProps()
+	return append(props, &p.Prebuilt.Properties)
+}
+
+func (p *prebuiltBinaryLinker) link(ctx ModuleContext,
+	flags Flags, deps PathDeps, objs Objects) android.Path {
+	// TODO(ccross): verify shared library dependencies
+	if len(p.Prebuilt.Properties.Srcs) > 0 {
+		// TODO(ccross): .toc optimization, stripping, packing
+		return p.Prebuilt.Path(ctx)
+	}
+
+	return nil
+}
+
+func prebuiltBinaryFactory() (blueprint.Module, []interface{}) {
+	module, binary := NewBinary(android.HostAndDeviceSupported)
+	module.compiler = nil
+
+	prebuilt := &prebuiltBinaryLinker{
+		binaryDecorator: binary,
+	}
+	module.linker = prebuilt
 
 	return module.Init()
 }