Add ramdisk image sdk trait to cc_library_headers am: 12a0a310a7

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/1834876

Change-Id: I722497159725cd4e8b913357aed161ea69357a28

cc/image_sdk_traits.go

@@ -19,6 +19,7 @@ import "android/soong/android"
 // This file contains support for the image variant sdk traits.
 
 func init() {
+	android.RegisterSdkMemberTrait(ramdiskImageRequiredSdkTrait)
 	android.RegisterSdkMemberTrait(recoveryImageRequiredSdkTrait)
 }
 
@@ -26,6 +27,12 @@ type imageSdkTraitStruct struct {
 	android.SdkMemberTraitBase
 }
 
+var ramdiskImageRequiredSdkTrait android.SdkMemberTrait = &imageSdkTraitStruct{
+	SdkMemberTraitBase: android.SdkMemberTraitBase{
+		PropertyName: "ramdisk_image_required",
+	},
+}
+
 var recoveryImageRequiredSdkTrait android.SdkMemberTrait = &imageSdkTraitStruct{
 	SdkMemberTraitBase: android.SdkMemberTraitBase{
 		PropertyName: "recovery_image_required",

cc/library_headers.go

@@ -35,6 +35,7 @@ var headersLibrarySdkMemberType = &librarySdkMemberType{
 		HostOsDependent: true,
 		Traits: []android.SdkMemberTrait{
 			nativeBridgeSdkTrait,
+			ramdiskImageRequiredSdkTrait,
 			recoveryImageRequiredSdkTrait,
 		},
 	},

cc/library_sdk_member.go

@@ -134,6 +134,16 @@ func (mt *librarySdkMemberType) AddDependencies(ctx android.SdkDependencyContext
 				targets:         targets,
 			})
 
+			// If required add additional dependencies on the image:ramdisk variants.
+			if ctx.RequiresTrait(lib, ramdiskImageRequiredSdkTrait) {
+				memberDependencies = append(memberDependencies, memberDependency{
+					imageVariations: []blueprint.Variation{{Mutator: "image", Variation: android.RamdiskVariation}},
+					// Only add a dependency on the first target as that is the only one which will have an
+					// image:ramdisk variant.
+					targets: targets[:1],
+				})
+			}
+
 			// If required add additional dependencies on the image:recovery variants.
 			if ctx.RequiresTrait(lib, recoveryImageRequiredSdkTrait) {
 				memberDependencies = append(memberDependencies, memberDependency{
@@ -199,6 +209,10 @@ func (mt *librarySdkMemberType) AddPrebuiltModule(ctx android.SdkMemberContext,
 		pbm.AddProperty("native_bridge_supported", true)
 	}
 
+	if ctx.RequiresTrait(ramdiskImageRequiredSdkTrait) {
+		pbm.AddProperty("ramdisk_available", true)
+	}
+
 	if ctx.RequiresTrait(recoveryImageRequiredSdkTrait) {
 		pbm.AddProperty("recovery_available", true)
 	}