Disallow shared libraries in bootclasspath_fragment contents

Bug: 177892522
Test: m nothing
Change-Id: I78c8ef8664ec1eb0fe3456a2de2cb956162ca0da

java/bootclasspath_fragment.go

@@ -372,8 +372,12 @@ func (b *BootclasspathFragmentModule) GenerateAndroidBuildActions(ctx android.Mo
 	ctx.VisitDirectDeps(func(module android.Module) {
 		tag := ctx.OtherModuleDependencyTag(module)
 		if IsBootclasspathFragmentContentDepTag(tag) {
+			if sdkLibrary, ok := module.(SdkLibraryDependency); ok && sdkLibrary.sharedLibrary() {
+				ctx.PropertyErrorf("contents", "invalid module: %s, shared libraries cannot be on the bootclasspath", ctx.OtherModuleName(module))
+			} else {
 				contents = append(contents, module)
 			}
+		}
 	})
 
 	// Perform hidden API processing.

java/bootclasspath_fragment_test.go

@@ -231,7 +231,7 @@ func TestBootclasspathFragment_StubLibs(t *testing.T) {
 		java_sdk_library {
 			name: "mysdklibrary",
 			srcs: ["a.java"],
-			compile_dex: true,
+			shared_library: false,
 			public: {enabled: true},
 			system: {enabled: true},
 		}
@@ -239,7 +239,7 @@ func TestBootclasspathFragment_StubLibs(t *testing.T) {
 		java_sdk_library {
 			name: "mycoreplatform",
 			srcs: ["a.java"],
-			compile_dex: true,
+			shared_library: false,
 			public: {enabled: true},
 		}
 	`)

java/sdk_library.go

@@ -900,11 +900,17 @@ func (c *commonToSdkLibraryAndImport) sdkComponentPropertiesForChildLibrary() in
 	return componentProps
 }
 
-// Check if this can be used as a shared library.
 func (c *commonToSdkLibraryAndImport) sharedLibrary() bool {
 	return proptools.BoolDefault(c.commonSdkLibraryProperties.Shared_library, true)
 }
 
+// Check if the stub libraries should be compiled for dex
+func (c *commonToSdkLibraryAndImport) stubLibrariesCompiledForDex() bool {
+	// Always compile the dex file files for the stub libraries if they will be used on the
+	// bootclasspath.
+	return !c.sharedLibrary()
+}
+
 // Properties related to the use of a module as an component of a java_sdk_library.
 type SdkLibraryComponentProperties struct {
 
@@ -978,6 +984,9 @@ type SdkLibraryDependency interface {
 	// SdkApiStubDexJar returns the dex jar for the stubs. It is needed by the hiddenapi processing
 	// tool which processes dex files.
 	SdkApiStubDexJar(ctx android.BaseModuleContext, kind android.SdkKind) android.Path
+
+	// sharedLibrary returns true if this can be used as a shared library.
+	sharedLibrary() bool
 }
 
 type SdkLibrary struct {
@@ -1309,9 +1318,13 @@ func (module *SdkLibrary) createStubsLibrary(mctx android.DefaultableHookContext
 	// We compile the stubs for 1.8 in line with the main android.jar stubs, and potential
 	// interop with older developer tools that don't support 1.9.
 	props.Java_version = proptools.StringPtr("1.8")
-	if module.dexProperties.Compile_dex != nil {
+
-		props.Compile_dex = module.dexProperties.Compile_dex
+	// The imports need to be compiled to dex if the java_sdk_library requests it.
+	compileDex := module.dexProperties.Compile_dex
+	if module.stubLibrariesCompiledForDex() {
+		compileDex = proptools.BoolPtr(true)
 	}
+	props.Compile_dex = compileDex
 
 	// Dist the class jar artifact for sdk builds.
 	if !Bool(module.sdkLibraryProperties.No_dist) {
@@ -1969,7 +1982,11 @@ func (module *SdkLibraryImport) createJavaImportForStubs(mctx android.Defaultabl
 	props.Prefer = proptools.BoolPtr(module.prebuilt.Prefer())
 
 	// The imports need to be compiled to dex if the java_sdk_library_import requests it.
-	props.Compile_dex = module.properties.Compile_dex
+	compileDex := module.properties.Compile_dex
+	if module.stubLibrariesCompiledForDex() {
+		compileDex = proptools.BoolPtr(true)
+	}
+	props.Compile_dex = compileDex
 
 	mctx.CreateModule(ImportFactory, &props, module.sdkComponentPropertiesForChildLibrary())
 }

sdk/bootclasspath_fragment_sdk_test.go

@@ -207,21 +207,21 @@ func TestSnapshotWithBootClasspathFragment_Contents(t *testing.T) {
 			java_sdk_library {
 				name: "mysdklibrary",
 				srcs: ["Test.java"],
-				compile_dex: true,
+				shared_library: false,
 				public: {enabled: true},
 			}
 
 			java_sdk_library {
 				name: "myothersdklibrary",
 				srcs: ["Test.java"],
-				compile_dex: true,
+				shared_library: false,
 				public: {enabled: true},
 			}
 
 			java_sdk_library {
 				name: "mycoreplatform",
 				srcs: ["Test.java"],
-				compile_dex: true,
+				shared_library: false,
 				public: {enabled: true},
 			}
 		`),
@@ -261,8 +261,7 @@ java_sdk_library_import {
     prefer: false,
     visibility: ["//visibility:public"],
     apex_available: ["//apex_available:platform"],
-    shared_library: true,
+    shared_library: false,
-    compile_dex: true,
     public: {
         jars: ["sdk_library/public/myothersdklibrary-stubs.jar"],
         stub_srcs: ["sdk_library/public/myothersdklibrary_stub_sources"],
@@ -277,8 +276,7 @@ java_sdk_library_import {
     prefer: false,
     visibility: ["//visibility:public"],
     apex_available: ["//apex_available:platform"],
-    shared_library: true,
+    shared_library: false,
-    compile_dex: true,
     public: {
         jars: ["sdk_library/public/mysdklibrary-stubs.jar"],
         stub_srcs: ["sdk_library/public/mysdklibrary_stub_sources"],
@@ -293,8 +291,7 @@ java_sdk_library_import {
     prefer: false,
     visibility: ["//visibility:public"],
     apex_available: ["//apex_available:platform"],
-    shared_library: true,
+    shared_library: false,
-    compile_dex: true,
     public: {
         jars: ["sdk_library/public/mycoreplatform-stubs.jar"],
         stub_srcs: ["sdk_library/public/mycoreplatform_stub_sources"],
@@ -337,8 +334,7 @@ java_sdk_library_import {
     sdk_member_name: "myothersdklibrary",
     visibility: ["//visibility:public"],
     apex_available: ["//apex_available:platform"],
-    shared_library: true,
+    shared_library: false,
-    compile_dex: true,
     public: {
         jars: ["sdk_library/public/myothersdklibrary-stubs.jar"],
         stub_srcs: ["sdk_library/public/myothersdklibrary_stub_sources"],
@@ -353,8 +349,7 @@ java_sdk_library_import {
     sdk_member_name: "mysdklibrary",
     visibility: ["//visibility:public"],
     apex_available: ["//apex_available:platform"],
-    shared_library: true,
+    shared_library: false,
-    compile_dex: true,
     public: {
         jars: ["sdk_library/public/mysdklibrary-stubs.jar"],
         stub_srcs: ["sdk_library/public/mysdklibrary_stub_sources"],
@@ -369,8 +364,7 @@ java_sdk_library_import {
     sdk_member_name: "mycoreplatform",
     visibility: ["//visibility:public"],
     apex_available: ["//apex_available:platform"],
-    shared_library: true,
+    shared_library: false,
-    compile_dex: true,
     public: {
         jars: ["sdk_library/public/mycoreplatform-stubs.jar"],
         stub_srcs: ["sdk_library/public/mycoreplatform_stub_sources"],