diff --git a/core/Makefile b/core/Makefile
index 7ff896e..2751203 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -1404,9 +1404,9 @@
 				$(PRIVATE_DIR)/platforms/android-$(PLATFORM_VERSION)/images/NOTICE.txt && \
 		cp -f $(tools_notice_file_txt) $(PRIVATE_DIR)/tools/NOTICE.txt && \
 		cp -f $(tools_notice_file_txt) $(PRIVATE_DIR)/platform-tools/NOTICE.txt && \
-		if [ -f $(PRIVATE_DIR)/platform-tools/llvm-rs-cc ]; then \
-			$(HOST_STRIP_SDK_LLVM) $(PRIVATE_DIR)/platform-tools/llvm-rs-cc; \
-		fi && \
+		for f in $(PRIVATE_DIR)/platform-tools/llvm-rs-cc-* ; do \
+			if [ -f "$$f" ]; then $(HOST_STRIP_SDK_LLVM) "$$f"; fi; \
+		done && \
 		HOST_OUT_EXECUTABLES=$(HOST_OUT_EXECUTABLES) HOST_OS=$(HOST_OS) \
 			development/build/tools/sdk_clean.sh $(PRIVATE_DIR) && \
 		chmod -R ug+rwX $(PRIVATE_DIR) && \
diff --git a/core/build_id.mk b/core/build_id.mk
index 4660df8..40bb35d 100644
--- a/core/build_id.mk
+++ b/core/build_id.mk
@@ -1,4 +1,3 @@
-
 #
 # Copyright (C) 2008 The Android Open Source Project
 #
@@ -14,9 +13,20 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+
+#
+# Defines branch-specific values.
+#
+
 # BUILD_ID is usually used to specify the branch name
 # (like "MAIN") or a branch name and a release candidate
-# (like "CRB01").  It must be a single word, and is
+# (like "TC1-RC5").  It must be a single word, and is
 # capitalized by convention.
+#
+BUILD_ID := MASTER
 
-export BUILD_ID=HTJ83
+# DISPLAY_BUILD_NUMBER should only be set for development branches,
+# If set, the BUILD_NUMBER (cl) is appended to the BUILD_ID for
+# a more descriptive BUILD_ID_DISPLAY, otherwise BUILD_ID_DISPLAY
+# is the same as BUILD_ID
+DISPLAY_BUILD_NUMBER := true