diff --git a/core/base_rules.mk b/core/base_rules.mk
index e87624a..a6af2bc 100644
--- a/core/base_rules.mk
+++ b/core/base_rules.mk
@@ -135,8 +135,10 @@
 
 my_register_name := $(LOCAL_MODULE)
 ifdef LOCAL_2ND_ARCH_VAR_PREFIX
+ifndef LOCAL_NO_2ND_ARCH_MODULE_SUFFIX
 my_register_name := $(LOCAL_MODULE)$(TARGET_2ND_ARCH_MODULE_SUFFIX)
 endif
+endif
 # Make sure that this IS_HOST/CLASS/MODULE combination is unique.
 module_id := MODULE.$(if \
     $(LOCAL_IS_HOST_MODULE),HOST,TARGET).$(LOCAL_MODULE_CLASS).$(my_register_name)
@@ -595,7 +597,7 @@
 ALL_MODULES.$(my_register_name).INSTALLED := \
     $(strip $(ALL_MODULES.$(my_register_name).INSTALLED) $(LOCAL_INSTALLED_MODULE))
 ALL_MODULES.$(my_register_name).REQUIRED := \
-    $(ALL_MODULES.$(my_register_name).REQUIRED) $(LOCAL_REQUIRED_MODULES)
+    $(ALL_MODULES.$(my_register_name).REQUIRED) $(LOCAL_REQUIRED_MODULES) $(LOCAL_REQUIRED_MODULES_$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH))
 ALL_MODULES.$(my_register_name).EVENT_LOG_TAGS := \
     $(ALL_MODULES.$(my_register_name).EVENT_LOG_TAGS) $(event_log_tags)
 ALL_MODULES.$(my_register_name).INTERMEDIATE_SOURCE_DIR := \
diff --git a/core/binary.mk b/core/binary.mk
index 957cdc4..3dad049 100644
--- a/core/binary.mk
+++ b/core/binary.mk
@@ -86,8 +86,9 @@
 # Because the same LOCAL_ variables may be used to define modules for both 1st arch and 2nd arch,
 # we can't modify them in place.
 my_src_files := $(LOCAL_SRC_FILES) $(LOCAL_SRC_FILES_$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH))
-my_static_libraries := $(LOCAL_STATIC_LIBRARIES)
-my_shared_libraries := $(LOCAL_SHARED_LIBRARIES)
+my_static_libraries := $(LOCAL_STATIC_LIBRARIES_$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_STATIC_LIBRARIES)
+my_whole_static_libraries := $(LOCAL_WHOLE_STATIC_LIBRARIES) $(LOCAL_WHOLE_STATIC_LIBRARIES_$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH))
+my_shared_libraries := $(LOCAL_SHARED_LIBRARIES) $(LOCAL_SHARED_LIBRARIES_$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH))
 my_32_64_bit_suffix := $(if $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_IS_64_BIT),64,32)
 my_cflags := $(LOCAL_CFLAGS) $(LOCAL_CFLAGS_$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_CFLAGS_$(my_32_64_bit_suffix))
 my_cppflags := $(LOCAL_CPPFLAGS)
@@ -96,7 +97,7 @@
 my_cc := $(LOCAL_CC)
 my_cxx := $(LOCAL_CXX)
 my_c_includes := $(LOCAL_C_INCLUDES) $(LOCAL_C_INCLUDES_$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_C_INCLUDES_$(my_32_64_bit_suffix))
-my_generated_sources := $(LOCAL_GENERATED_SOURCES)
+my_generated_sources := $(LOCAL_GENERATED_SOURCES) $(LOCAL_GENERATED_SOURCES_$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH))
 
 my_cflags := $(filter-out $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_GLOBAL_UNSUPPORTED_CFLAGS),$(my_cflags))
 
@@ -652,7 +653,7 @@
 import_includes_deps := $(strip \
     $(foreach l, $(installed_shared_library_module_names), \
       $(call intermediates-dir-for,SHARED_LIBRARIES,$(l),$(LOCAL_IS_HOST_MODULE),,$(LOCAL_2ND_ARCH_VAR_PREFIX))/export_includes) \
-    $(foreach l, $(my_static_libraries) $(LOCAL_WHOLE_STATIC_LIBRARIES), \
+    $(foreach l, $(my_static_libraries) $(my_whole_static_libraries), \
       $(call intermediates-dir-for,STATIC_LIBRARIES,$(l),$(LOCAL_IS_HOST_MODULE),,$(LOCAL_2ND_ARCH_VAR_PREFIX))/export_includes))
 $(import_includes) : $(import_includes_deps)
 	@echo Import includes file: $@
@@ -771,7 +772,7 @@
 endif
 
 built_whole_libraries := \
-    $(foreach lib,$(LOCAL_WHOLE_STATIC_LIBRARIES), \
+    $(foreach lib,$(my_whole_static_libraries), \
       $(call intermediates-dir-for, \
         STATIC_LIBRARIES,$(lib),$(LOCAL_IS_HOST_MODULE),,$(LOCAL_2ND_ARCH_VAR_PREFIX))/$(lib)$(a_suffix))
 
@@ -781,7 +782,7 @@
 # libraries that we use. (see notice_files.mk)
 
 installed_static_library_notice_file_targets := \
-    $(foreach lib,$(my_static_libraries) $(LOCAL_WHOLE_STATIC_LIBRARIES), \
+    $(foreach lib,$(my_static_libraries) $(my_whole_static_libraries), \
       NOTICE-$(if $(LOCAL_IS_HOST_MODULE),HOST,TARGET)-STATIC_LIBRARIES-$(lib))
 
 # Default is -fno-rtti.
diff --git a/core/clear_vars.mk b/core/clear_vars.mk
index f884b19..0f6308c 100644
--- a/core/clear_vars.mk
+++ b/core/clear_vars.mk
@@ -153,6 +153,11 @@
 LOCAL_ASFLAGS_$(TARGET_ARCH):=
 LOCAL_NO_CRT_$(TARGET_ARCH):=
 LOCAL_LDFLAGS_$(TARGET_ARCH):=
+LOCAL_SHARED_LIBRARIES_$(TARGET_ARCH):=
+LOCAL_STATIC_LIBRARIES_$(TARGET_ARCH):=
+LOCAL_WHOLE_STATIC_LIBRARIES_$(TARGET_ARCH):=
+LOCAL_GENERATED_SOURCES_$(TARGET_ARCH):=
+LOCAL_REQUIRED_MODULES_$(TARGET_ARCH):=
 ifdef TARGET_2ND_ARCH
 LOCAL_SRC_FILES_$(TARGET_2ND_ARCH):=
 LOCAL_CFLAGS_$(TARGET_2ND_ARCH):=
@@ -160,6 +165,11 @@
 LOCAL_ASFLAGS_$(TARGET_2ND_ARCH):=
 LOCAL_NO_CRT_$(TARGET_2ND_ARCH):=
 LOCAL_LDFLAGS_$(TARGET_2ND_ARCH):=
+LOCAL_SHARED_LIBRARIES_$(TARGET_2ND_ARCH):=
+LOCAL_STATIC_LIBRARIES_$(TARGET_2ND_ARCH):=
+LOCAL_WHOLE_STATIC_LIBRARIES_$(TARGET_2ND_ARCH):=
+LOCAL_GENERATED_SOURCES_$(TARGET_2ND_ARCH):=
+LOCAL_REQUIRED_MODULES_$(TARGET_2ND_ARCH):=
 endif
 
 LOCAL_CFLAGS_32:=
diff --git a/core/combo/arch/arm/armv7-a-neon.mk b/core/combo/arch/arm/armv7-a-neon.mk
index 53d9220..1105330 100644
--- a/core/combo/arch/arm/armv7-a-neon.mk
+++ b/core/combo/arch/arm/armv7-a-neon.mk
@@ -1,10 +1,10 @@
 # Configuration for Linux on ARM.
 # Generating binaries for the ARMv7-a architecture and higher with NEON
 #
-$(combo_2nd_arch_prefix)ARCH_ARM_HAVE_ARMV7A            := true
-$(combo_2nd_arch_prefix)ARCH_ARM_HAVE_VFP               := true
-$(combo_2nd_arch_prefix)ARCH_ARM_HAVE_VFP_D32           := true
-$(combo_2nd_arch_prefix)ARCH_ARM_HAVE_NEON              := true
+ARCH_ARM_HAVE_ARMV7A            := true
+ARCH_ARM_HAVE_VFP               := true
+ARCH_ARM_HAVE_VFP_D32           := true
+ARCH_ARM_HAVE_NEON              := true
 
 ifeq ($(TARGET_CPU_VARIANT),$(filter $(TARGET_CPU_VARIANT),cortex-a15 krait))
 	arch_variant_cflags := -mcpu=cortex-a15
diff --git a/core/combo/arch/arm/armv7-a.mk b/core/combo/arch/arm/armv7-a.mk
index 9549478..4a51977 100644
--- a/core/combo/arch/arm/armv7-a.mk
+++ b/core/combo/arch/arm/armv7-a.mk
@@ -1,8 +1,8 @@
 # Configuration for Linux on ARM.
 # Generating binaries for the ARMv7-a architecture and higher
 #
-$(combo_2nd_arch_prefix)ARCH_ARM_HAVE_ARMV7A            := true
-$(combo_2nd_arch_prefix)ARCH_ARM_HAVE_VFP               := true
+ARCH_ARM_HAVE_ARMV7A            := true
+ARCH_ARM_HAVE_VFP               := true
 
 # Note: Hard coding the 'tune' value here is probably not ideal,
 # and a better solution should be found in the future.
diff --git a/core/definitions.mk b/core/definitions.mk
index 7c29e30..b34e274 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -84,6 +84,7 @@
 # Target and host installed module's dependencies on shared libraries.
 # They are list of "<module_name>:<installed_file>:lib1,lib2...".
 TARGET_DEPENDENCIES_ON_SHARED_LIBRARIES :=
+2ND_TARGET_DEPENDENCIES_ON_SHARED_LIBRARIES :=
 HOST_DEPENDENCIES_ON_SHARED_LIBRARIES :=
 
 # Generated class file names for Android resource.
diff --git a/core/executable.mk b/core/executable.mk
index 22884b8..6d8734e 100644
--- a/core/executable.mk
+++ b/core/executable.mk
@@ -9,5 +9,7 @@
 LOCAL_2ND_ARCH_VAR_PREFIX :=
 endif
 
+LOCAL_NO_2ND_ARCH_MODULE_SUFFIX := true
 include $(BUILD_SYSTEM)/executable_internal.mk
 LOCAL_2ND_ARCH_VAR_PREFIX :=
+LOCAL_NO_2ND_ARCH_MODULE_SUFFIX :=
diff --git a/core/pathmap.mk b/core/pathmap.mk
index feecfbf..28661c2 100644
--- a/core/pathmap.mk
+++ b/core/pathmap.mk
@@ -89,6 +89,7 @@
 	    telephony \
 	    wifi \
 	    keystore \
+	    rs \
 	 )
 
 #