Merge "Add support for using cc_library in sdk/module_exports"

android/module.go

@@ -985,6 +985,16 @@ func (m *ModuleBase) ImageVariation() blueprint.Variation {
 	}
 }
 
+func (m *ModuleBase) getVariationByMutatorName(mutator string) string {
+	for i, v := range m.commonProperties.DebugMutators {
+		if v == mutator {
+			return m.commonProperties.DebugVariations[i]
+		}
+	}
+
+	return ""
+}
+
 func (m *ModuleBase) InRamdisk() bool {
 	return m.base().commonProperties.ImageVariation == RamdiskVariation
 }

cc/library.go

@@ -195,6 +195,7 @@ func LibraryFactory() android.Module {
 	module.sdkMemberTypes = []android.SdkMemberType{
 		sharedLibrarySdkMemberType,
 		staticLibrarySdkMemberType,
+		staticAndSharedLibrarySdkMemberType,
 	}
 	return module.Init()
 }

cc/library_sdk_member.go

@@ -43,10 +43,20 @@ var staticLibrarySdkMemberType = &librarySdkMemberType{
 	linkTypes:          []string{"static"},
 }
 
+var staticAndSharedLibrarySdkMemberType = &librarySdkMemberType{
+	SdkMemberTypeBase: android.SdkMemberTypeBase{
+		PropertyName: "native_libs",
+		SupportsSdk:  true,
+	},
+	prebuiltModuleType: "cc_prebuilt_library",
+	linkTypes:          []string{"static", "shared"},
+}
+
 func init() {
 	// Register sdk member types.
 	android.RegisterSdkMemberType(sharedLibrarySdkMemberType)
 	android.RegisterSdkMemberType(staticLibrarySdkMemberType)
+	android.RegisterSdkMemberType(staticAndSharedLibrarySdkMemberType)
 }
 
 type librarySdkMemberType struct {
@@ -342,9 +352,12 @@ func (p *nativeLibInfoProperties) PopulateFromVariant(variant android.SdkAware)
 
 	p.name = variant.Name()
 	p.archType = ccModule.Target().Arch.ArchType.String()
-	p.ExportedIncludeDirs = exportedIncludeDirs
-	p.exportedGeneratedIncludeDirs = exportedGeneratedIncludeDirs
-	p.ExportedSystemIncludeDirs = ccModule.ExportedSystemIncludeDirs()
+
+	// Make sure that the include directories are unique.
+	p.ExportedIncludeDirs = android.FirstUniquePaths(exportedIncludeDirs)
+	p.exportedGeneratedIncludeDirs = android.FirstUniquePaths(exportedGeneratedIncludeDirs)
+	p.ExportedSystemIncludeDirs = android.FirstUniquePaths(ccModule.ExportedSystemIncludeDirs())
+
 	p.ExportedFlags = ccModule.ExportedFlags()
 	if ccModule.linker != nil {
 		specifiedDeps := specifiedDeps{}

sdk/cc_sdk_test.go

@@ -1196,6 +1196,93 @@ include/Test.h -> include/include/Test.h
 	)
 }
 
+func TestSnapshotWithCcLibrary(t *testing.T) {
+	result := testSdkWithCc(t, `
+		module_exports {
+			name: "myexports",
+			native_libs: ["mynativelib"],
+		}
+
+		cc_library {
+			name: "mynativelib",
+			srcs: [
+				"Test.cpp",
+			],
+			export_include_dirs: ["include"],
+			system_shared_libs: [],
+			stl: "none",
+		}
+	`)
+
+	result.CheckSnapshot("myexports", "",
+		checkAndroidBpContents(`
+// This is auto-generated. DO NOT EDIT.
+
+cc_prebuilt_library {
+    name: "myexports_mynativelib@current",
+    sdk_member_name: "mynativelib",
+    installable: false,
+    stl: "none",
+    export_include_dirs: ["include/include"],
+    arch: {
+        arm64: {
+            static: {
+                srcs: ["arm64/lib/mynativelib.a"],
+            },
+            shared: {
+                srcs: ["arm64/lib/mynativelib.so"],
+            },
+        },
+        arm: {
+            static: {
+                srcs: ["arm/lib/mynativelib.a"],
+            },
+            shared: {
+                srcs: ["arm/lib/mynativelib.so"],
+            },
+        },
+    },
+}
+
+cc_prebuilt_library {
+    name: "mynativelib",
+    prefer: false,
+    stl: "none",
+    export_include_dirs: ["include/include"],
+    arch: {
+        arm64: {
+            static: {
+                srcs: ["arm64/lib/mynativelib.a"],
+            },
+            shared: {
+                srcs: ["arm64/lib/mynativelib.so"],
+            },
+        },
+        arm: {
+            static: {
+                srcs: ["arm/lib/mynativelib.a"],
+            },
+            shared: {
+                srcs: ["arm/lib/mynativelib.so"],
+            },
+        },
+    },
+}
+
+module_exports_snapshot {
+    name: "myexports@current",
+    native_libs: ["myexports_mynativelib@current"],
+}
+`),
+		checkAllCopyRules(`
+include/Test.h -> include/include/Test.h
+.intermediates/mynativelib/android_arm64_armv8-a_static/mynativelib.a -> arm64/lib/mynativelib.a
+.intermediates/mynativelib/android_arm64_armv8-a_shared/mynativelib.so -> arm64/lib/mynativelib.so
+.intermediates/mynativelib/android_arm_armv7-a-neon_static/mynativelib.a -> arm/lib/mynativelib.a
+.intermediates/mynativelib/android_arm_armv7-a-neon_shared/mynativelib.so -> arm/lib/mynativelib.so`),
+	)
+}
+
 func TestHostSnapshotWithMultiLib64(t *testing.T) {
 	// b/145598135 - Generating host snapshots for anything other than linux is not supported.
 	SkipIfNotLinux(t)

sdk/update.go

@@ -21,6 +21,7 @@ import (
 	"strings"
 
 	"android/soong/apex"
+	"android/soong/cc"
 	"github.com/google/blueprint"
 	"github.com/google/blueprint/proptools"
 
@@ -866,6 +867,9 @@ func (osInfo *osTypeSpecificInfo) optimizeProperties(commonValueExtractor *commo
 
 	var archPropertiesList []android.SdkMemberProperties
 	for _, archInfo := range osInfo.archInfos {
+		// Optimize the arch properties first.
+		archInfo.optimizeProperties(commonValueExtractor)
+
 		archPropertiesList = append(archPropertiesList, archInfo.Properties)
 	}
 
@@ -961,32 +965,107 @@ type archTypeSpecificInfo struct {
 	baseInfo
 
 	archType android.ArchType
+
+	linkInfos []*linkTypeSpecificInfo
 }
 
 // Create a new archTypeSpecificInfo for the specified arch type and its properties
 // structures populated with information from the variants.
 func newArchSpecificInfo(archType android.ArchType, variantPropertiesFactory variantPropertiesFactoryFunc, archVariants []android.SdkAware) *archTypeSpecificInfo {
 
-	if len(archVariants) != 1 {
-		panic(fmt.Errorf("expected one arch specific variant but found %d", len(archVariants)))
-	}
-
 	// Create an arch specific info into which the variant properties can be copied.
 	archInfo := &archTypeSpecificInfo{archType: archType}
 
 	// Create the properties into which the arch type specific properties will be
 	// added.
 	archInfo.Properties = variantPropertiesFactory()
-	archInfo.Properties.PopulateFromVariant(archVariants[0])
+
+	if len(archVariants) == 1 {
+		archInfo.Properties.PopulateFromVariant(archVariants[0])
+	} else {
+		// There is more than one variant for this arch type which must be differentiated
+		// by link type.
+		for _, linkVariant := range archVariants {
+			linkType := getLinkType(linkVariant)
+			if linkType == "" {
+				panic(fmt.Errorf("expected one arch specific variant as it is not identified by link type but found %d", len(archVariants)))
+			} else {
+				linkInfo := newLinkSpecificInfo(linkType, variantPropertiesFactory, linkVariant)
+
+				archInfo.linkInfos = append(archInfo.linkInfos, linkInfo)
+			}
+		}
+	}
 
 	return archInfo
 }
 
+// Get the link type of the variant
+//
+// If the variant is not differentiated by link type then it returns "",
+// otherwise it returns one of "static" or "shared".
+func getLinkType(variant android.Module) string {
+	linkType := ""
+	if linkable, ok := variant.(cc.LinkableInterface); ok {
+		if linkable.Shared() && linkable.Static() {
+			panic(fmt.Errorf("expected variant %q to be either static or shared but was both", variant.String()))
+		} else if linkable.Shared() {
+			linkType = "shared"
+		} else if linkable.Static() {
+			linkType = "static"
+		} else {
+			panic(fmt.Errorf("expected variant %q to be either static or shared but was neither", variant.String()))
+		}
+	}
+	return linkType
+}
+
+// Optimize the properties by extracting common properties from link type specific
+// properties into arch type specific properties.
+func (archInfo *archTypeSpecificInfo) optimizeProperties(commonValueExtractor *commonValueExtractor) {
+	if len(archInfo.linkInfos) == 0 {
+		return
+	}
+
+	var propertiesList []android.SdkMemberProperties
+	for _, linkInfo := range archInfo.linkInfos {
+		propertiesList = append(propertiesList, linkInfo.Properties)
+	}
+
+	commonValueExtractor.extractCommonProperties(archInfo.Properties, propertiesList)
+}
+
 // Add the properties for an arch type to a property set.
 func (archInfo *archTypeSpecificInfo) addToPropertySet(builder *snapshotBuilder, archPropertySet android.BpPropertySet, archOsPrefix string) {
 	archTypeName := archInfo.archType.Name
 	archTypePropertySet := archPropertySet.AddPropertySet(archOsPrefix + archTypeName)
 	archInfo.Properties.AddToPropertySet(builder.ctx, builder, archTypePropertySet)
+
+	for _, linkInfo := range archInfo.linkInfos {
+		linkPropertySet := archTypePropertySet.AddPropertySet(linkInfo.linkType)
+		linkInfo.Properties.AddToPropertySet(builder.ctx, builder, linkPropertySet)
+	}
+}
+
+type linkTypeSpecificInfo struct {
+	baseInfo
+
+	linkType string
+}
+
+// Create a new linkTypeSpecificInfo for the specified link type and its properties
+// structures populated with information from the variant.
+func newLinkSpecificInfo(linkType string, variantPropertiesFactory variantPropertiesFactoryFunc, linkVariant android.SdkAware) *linkTypeSpecificInfo {
+	linkInfo := &linkTypeSpecificInfo{
+		baseInfo: baseInfo{
+			// Create the properties into which the link type specific properties will be
+			// added.
+			Properties: variantPropertiesFactory(),
+		},
+		linkType: linkType,
+	}
+	linkInfo.Properties.PopulateFromVariant(linkVariant)
+	return linkInfo
 }
 
 func (s *sdk) createMemberSnapshot(sdkModuleContext android.ModuleContext, builder *snapshotBuilder, member *sdkMember, bpModule android.BpModule) {