Merge "bp2build: generate arm toolchain flags into @soong_injection."
diff --git a/android/module.go b/android/module.go
index 69572dd..f745a4a 100644
--- a/android/module.go
+++ b/android/module.go
@@ -165,13 +165,20 @@
 	// OtherModuleDependencyVariantExists returns true if a module with the
 	// specified name and variant exists. The variant must match the given
 	// variations. It must also match all the non-local variations of the current
-	// module. In other words, it checks for the module AddVariationDependencies
+	// module. In other words, it checks for the module that AddVariationDependencies
 	// would add a dependency on with the same arguments.
 	OtherModuleDependencyVariantExists(variations []blueprint.Variation, name string) bool
 
+	// OtherModuleFarDependencyVariantExists returns true if a module with the
+	// specified name and variant exists. The variant must match the given
+	// variations, but not the non-local variations of the current module. In
+	// other words, it checks for the module that AddFarVariationDependencies
+	// would add a dependency on with the same arguments.
+	OtherModuleFarDependencyVariantExists(variations []blueprint.Variation, name string) bool
+
 	// OtherModuleReverseDependencyVariantExists returns true if a module with the
 	// specified name exists with the same variations as the current module. In
-	// other words, it checks for the module AddReverseDependency would add a
+	// other words, it checks for the module that AddReverseDependency would add a
 	// dependency on with the same argument.
 	OtherModuleReverseDependencyVariantExists(name string) bool
 
@@ -2022,6 +2029,9 @@
 func (b *baseModuleContext) OtherModuleDependencyVariantExists(variations []blueprint.Variation, name string) bool {
 	return b.bp.OtherModuleDependencyVariantExists(variations, name)
 }
+func (b *baseModuleContext) OtherModuleFarDependencyVariantExists(variations []blueprint.Variation, name string) bool {
+	return b.bp.OtherModuleFarDependencyVariantExists(variations, name)
+}
 func (b *baseModuleContext) OtherModuleReverseDependencyVariantExists(name string) bool {
 	return b.bp.OtherModuleReverseDependencyVariantExists(name)
 }
diff --git a/android/paths.go b/android/paths.go
index 88d625a..b192a35 100644
--- a/android/paths.go
+++ b/android/paths.go
@@ -2001,6 +2001,9 @@
 	}
 }
 
+// absolutePath is deliberately private so that Soong's Go plugins can't use it to find and
+// read arbitrary files without going through the methods in the current package that track
+// dependencies.
 func absolutePath(path string) string {
 	if filepath.IsAbs(path) {
 		return path
diff --git a/build_kzip.bash b/build_kzip.bash
index a09335e..5655067 100755
--- a/build_kzip.bash
+++ b/build_kzip.bash
@@ -6,6 +6,8 @@
 # The following environment variables affect the result:
 #   BUILD_NUMBER          build number, used to generate unique ID (will use UUID if not set)
 #   SUPERPROJECT_SHA      superproject sha, used to generate unique id (will use BUILD_NUMBER if not set)
+#   SUPERPROJECT_REVISION superproject revision, used for unique id if defined as a sha
+#   KZIP_NAME             name of the output file (will use SUPERPROJECT_REVISION|SUPERPROJECT_SHA|BUILD_NUMBER|UUID if not set)
 #   DIST_DIR              where the resulting all.kzip will be placed
 #   KYTHE_KZIP_ENCODING   proto or json (proto is default)
 #   KYTHE_JAVA_SOURCE_BATCH_SIZE maximum number of the Java source files in a compilation unit
@@ -14,8 +16,16 @@
 #   TARGET_PRODUCT        target device name, e.g., 'aosp_blueline'
 #   XREF_CORPUS           source code repository URI, e.g., 'android.googlesource.com/platform/superproject'
 
-: ${BUILD_NUMBER:=$(uuidgen)}
-: ${SUPERPROJECT_SHA:=$BUILD_NUMBER}
+# If the SUPERPROJECT_REVISION is defined as a sha, use this as the default value if no
+# SUPERPROJECT_SHA is specified.
+if [[ ${SUPERPROJECT_REVISION:-} =~ [0-9a-f]{40} ]]; then
+  : ${KZIP_NAME:=${SUPERPROJECT_REVISION:-}}
+fi
+
+: ${KZIP_NAME:=${SUPERPROJECT_SHA:-}}
+: ${KZIP_NAME:=${BUILD_NUMBER:-}}
+: ${KZIP_NAME:=$(uuidgen)}
+
 : ${KYTHE_JAVA_SOURCE_BATCH_SIZE:=500}
 : ${KYTHE_KZIP_ENCODING:=proto}
 : ${XREF_CORPUS:?should be set}
@@ -50,6 +60,6 @@
 
 # Pack
 # TODO(asmundak): this should be done by soong.
-declare -r allkzip="$SUPERPROJECT_SHA.kzip"
+declare -r allkzip="$KZIP_NAME.kzip"
 "$out/soong/host/linux-x86/bin/merge_zips" "$DIST_DIR/$allkzip" @<(find "$out" -name '*.kzip')
 
diff --git a/cc/snapshot_prebuilt.go b/cc/snapshot_prebuilt.go
index 0b1147e..a7351a9 100644
--- a/cc/snapshot_prebuilt.go
+++ b/cc/snapshot_prebuilt.go
@@ -454,13 +454,30 @@
 }
 
 func (p *baseSnapshotDecorator) setSnapshotAndroidMkSuffix(ctx android.ModuleContext) {
-	if ctx.OtherModuleDependencyVariantExists([]blueprint.Variation{
-		{Mutator: "image", Variation: android.CoreVariation},
-	}, ctx.Module().(*Module).BaseModuleName()) {
+	coreVariations := append(ctx.Target().Variations(), blueprint.Variation{
+		Mutator:   "image",
+		Variation: android.CoreVariation})
+
+	if ctx.OtherModuleFarDependencyVariantExists(coreVariations, ctx.Module().(*Module).BaseModuleName()) {
 		p.baseProperties.Androidmk_suffix = p.image.moduleNameSuffix()
-	} else {
-		p.baseProperties.Androidmk_suffix = ""
+		return
 	}
+
+	// If there is no matching core variation, there could still be a
+	// product variation, for example if a module is product specific and
+	// vendor available. In that case, we also want to add the androidmk
+	// suffix.
+
+	productVariations := append(ctx.Target().Variations(), blueprint.Variation{
+		Mutator:   "image",
+		Variation: ProductVariationPrefix + ctx.DeviceConfig().PlatformVndkVersion()})
+
+	if ctx.OtherModuleFarDependencyVariantExists(productVariations, ctx.Module().(*Module).BaseModuleName()) {
+		p.baseProperties.Androidmk_suffix = p.image.moduleNameSuffix()
+		return
+	}
+
+	p.baseProperties.Androidmk_suffix = ""
 }
 
 // Call this with a module suffix after creating a snapshot module, such as