diff --git a/core/Makefile b/core/Makefile
index 097dc56..249ef2c 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -1538,7 +1538,8 @@
   $(HOST_LIBRARY_PATH)/libevent-host$(HOST_SHLIB_SUFFIX) \
   $(HOST_LIBRARY_PATH)/libprotobuf-cpp-lite$(HOST_SHLIB_SUFFIX) \
   $(HOST_LIBRARY_PATH)/libssl-host$(HOST_SHLIB_SUFFIX) \
-  $(HOST_LIBRARY_PATH)/libz-host$(HOST_SHLIB_SUFFIX)
+  $(HOST_LIBRARY_PATH)/libz-host$(HOST_SHLIB_SUFFIX) \
+  $(HOST_LIBRARY_PATH)/libbase$(HOST_SHLIB_SUFFIX)
 
 .PHONY: otatools
 otatools: $(OTATOOLS)
diff --git a/core/config.mk b/core/config.mk
index d25b323..c892995 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -532,13 +532,8 @@
 MAKE_EXT4FS := $(HOST_OUT_EXECUTABLES)/make_ext4fs$(HOST_EXECUTABLE_SUFFIX)
 BLK_ALLOC_TO_BASE_FS := $(HOST_OUT_EXECUTABLES)/blk_alloc_to_base_fs$(HOST_EXECUTABLE_SUFFIX)
 MKEXTUSERIMG := $(HOST_OUT_EXECUTABLES)/mkuserimg.sh
-ifeq ($(HOST_OS),linux)
 MAKE_SQUASHFS := $(HOST_OUT_EXECUTABLES)/mksquashfs$(HOST_EXECUTABLE_SUFFIX)
 MKSQUASHFSUSERIMG := $(HOST_OUT_EXECUTABLES)/mksquashfsimage.sh
-else
-MAKE_SQUASHFS :=
-MKSQUASHFSUSERIMG :=
-endif
 MAKE_F2FS := $(HOST_OUT_EXECUTABLES)/make_f2fs$(HOST_EXECUTABLE_SUFFIX)
 MKF2FSUSERIMG := $(HOST_OUT_EXECUTABLES)/mkf2fsuserimg.sh
 SIMG2IMG := $(HOST_OUT_EXECUTABLES)/simg2img$(HOST_EXECUTABLE_SUFFIX)
@@ -861,7 +856,8 @@
 RS_PREBUILT_CLCORE := prebuilts/sdk/renderscript/lib/$(TARGET_ARCH)/librsrt_$(TARGET_ARCH).bc
 RS_PREBUILT_COMPILER_RT := prebuilts/sdk/renderscript/lib/$(TARGET_ARCH)/libcompiler_rt.a
 ifeq (true,$(TARGET_IS_64_BIT))
-RS_PREBUILT_LIBPATH := -L prebuilts/ndk/current/platforms/android-21/arch-$(TARGET_ARCH)/usr/lib
+RS_PREBUILT_LIBPATH := -L prebuilts/ndk/current/platforms/android-21/arch-$(TARGET_ARCH)/usr/lib64 \
+                       -L prebuilts/ndk/current/platforms/android-21/arch-$(TARGET_ARCH)/usr/lib
 else
 RS_PREBUILT_LIBPATH := -L prebuilts/ndk/current/platforms/android-9/arch-$(TARGET_ARCH)/usr/lib
 endif
diff --git a/core/java_common.mk b/core/java_common.mk
index e357440..9b7d10f 100644
--- a/core/java_common.mk
+++ b/core/java_common.mk
@@ -179,8 +179,20 @@
 endif # LOCAL_SDK_VERSION
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_BOOTCLASSPATH := -bootclasspath $(my_bootclasspath)
 
-full_shared_java_libs := $(call java-lib-files,$(LOCAL_JAVA_LIBRARIES),$(LOCAL_IS_HOST_MODULE))
-full_java_lib_deps := $(call java-lib-deps,$(LOCAL_JAVA_LIBRARIES),$(LOCAL_IS_HOST_MODULE))
+# In order to compile lambda code javac requires various invokedynamic-
+# related classes to be present. This change adds stubs needed for
+# javac to compile lambdas.
+my_additional_javac_libs :=
+ifndef TARGET_BUILD_APPS
+# TODO: support to build lamdbas using javac in unbundled build.
+# We may need to check in a prebuilt core-lambda-stubs to prebuilts/sdk.
+ifneq ($(LOCAL_NO_STANDARD_LIBRARIES),true)
+my_additional_javac_libs := core-lambda-stubs
+endif
+endif
+
+full_shared_java_libs := $(call java-lib-files,$(LOCAL_JAVA_LIBRARIES) $(my_additional_javac_libs),$(LOCAL_IS_HOST_MODULE))
+full_java_lib_deps := $(call java-lib-deps,$(LOCAL_JAVA_LIBRARIES) $(my_additional_javac_libs),$(LOCAL_IS_HOST_MODULE))
 full_java_lib_deps := $(addsuffix .toc, $(full_java_lib_deps))
 
 else # LOCAL_IS_HOST_MODULE
diff --git a/core/ninja.mk b/core/ninja.mk
index 5bb09ae..9d0ff9a 100644
--- a/core/ninja.mk
+++ b/core/ninja.mk
@@ -63,6 +63,7 @@
 	userdataimage \
 	userdebug \
 	valgrind-test-art% \
+	vts \
 	win_sdk \
 	winsdk-tools