diff --git a/core/multi_prebuilt.mk b/core/multi_prebuilt.mk
index be60e2f..bc85cea 100644
--- a/core/multi_prebuilt.mk
+++ b/core/multi_prebuilt.mk
@@ -69,7 +69,11 @@
   $(if $(7), \
     $(eval LOCAL_BUILT_MODULE_STEM := $(7)) \
    , \
-    $(eval LOCAL_BUILT_MODULE_STEM := $(notdir $(LOCAL_SRC_FILES))) \
+    $(if $(word 2,$(tw)), \
+      $(eval LOCAL_BUILT_MODULE_STEM := $(LOCAL_MODULE)$(suffix $(LOCAL_SRC_FILES))) \
+     , \
+      $(eval LOCAL_BUILT_MODULE_STEM := $(notdir $(LOCAL_SRC_FILES))) \
+     ) \
    ) \
   $(eval LOCAL_MODULE_SUFFIX := $(suffix $(LOCAL_SRC_FILES))) \
   $(if $(filter user,$(TARGET_BUILD_VARIANT)), \
diff --git a/core/pdk_config.mk b/core/pdk_config.mk
index 9590d70..886835c 100644
--- a/core/pdk_config.mk
+++ b/core/pdk_config.mk
@@ -41,7 +41,7 @@
 # additional items to add to platform.zip for platform-java build
 # For these dirs, add classes.jar and javalib.jar from the dir to platform.zip
 # all paths under out dir
-PDK_PLATFORM_JAVA_ZIP_JAVA_LIB_DIR := \
+PDK_PLATFORM_JAVA_ZIP_JAVA_TARGET_LIB_DIR := \
 	target/common/obj/JAVA_LIBRARIES/android_stubs_current_intermediates \
 	target/common/obj/JAVA_LIBRARIES/core_intermediates \
 	target/common/obj/JAVA_LIBRARIES/core-junit_intermediates \
@@ -53,6 +53,11 @@
 	target/common/obj/JAVA_LIBRARIES/voip-common_intermediates \
 	target/common/obj/JAVA_LIBRARIES/mms-common_intermediates \
 	target/common/obj/JAVA_LIBRARIES/android-ex-camera2_intermediates
+PDK_PLATFORM_JAVA_ZIP_JAVA_HOST_LIB_DIR := \
+	host/common/obj/JAVA_LIBRARIES/bouncycastle-host_intermediates
+PDK_PLATFORM_JAVA_ZIP_JAVA_LIB_DIR := \
+	$(PDK_PLATFORM_JAVA_ZIP_JAVA_TARGET_LIB_DIR) \
+	$(PDK_PLATFORM_JAVA_ZIP_JAVA_HOST_LIB_DIR)
 # not java libraries
 PDK_PLATFORM_JAVA_ZIP_CONTENTS := \
 	target/common/obj/APPS/framework-res_intermediates/package-export.apk \
@@ -137,14 +142,19 @@
 target/common/obj/APPS/framework-res_intermediates/package-export.apk))
 
 # javalib.jar should pull classes.jar as classes.jar is not explicitly pulled.
-$(foreach lib_dir,$(PDK_PLATFORM_JAVA_ZIP_JAVA_LIB_DIR),\
+$(foreach lib_dir,$(PDK_PLATFORM_JAVA_ZIP_JAVA_TARGET_LIB_DIR),\
 $(eval $(call JAVA_dependency_template,$(lib_dir)/javalib.jar,\
 $(lib_dir)/classes.jar)))
 
-# implicit rules for all others
+# implicit rules for all other target files
 $(TARGET_COMMON_OUT_ROOT)/% : $(_pdk_fusion_intermediates)/target/common/% $(_pdk_fusion_stamp)
 	@mkdir -p $(dir $@)
 	$(hide) cp -fpPR $< $@
+
+# implicit rules for all other host files
+$(HOST_COMMON_OUT_ROOT)/% : $(_pdk_fusion_intermediates)/host/common/% $(_pdk_fusion_stamp)
+	@mkdir -p $(dir $@)
+	$(hide) cp -fpPR $< $@
 endif
 
 ALL_PDK_FUSION_FILES := $(addprefix $(PRODUCT_OUT)/, $(_pdk_fusion_file_list))