Merge "Fix building on modern versions of Xcode and OS X."
diff --git a/CleanSpec.mk b/CleanSpec.mk
index 020de69..3e5d199 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -305,6 +305,11 @@
 # Move to libc++ as the default STL.
 $(call add-clean-step, rm -rf $(OUT_DIR))
 
+# dex2oat instruction-set changes
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/build.prop)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/root/default.prop)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/recovery/root/default.prop)
+
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
 # ************************************************
diff --git a/core/base_rules.mk b/core/base_rules.mk
index a709365..38f04f1 100644
--- a/core/base_rules.mk
+++ b/core/base_rules.mk
@@ -218,7 +218,12 @@
 endif # LOCAL_SDK_VERSION
 $(aidl_java_sources): PRIVATE_AIDL_FLAGS := -b $(addprefix -p,$(aidl_preprocess_import)) -I$(LOCAL_PATH) -I$(LOCAL_PATH)/src $(addprefix -I,$(LOCAL_AIDL_INCLUDES))
 
-$(aidl_java_sources): $(intermediates.COMMON)/src/%.java: $(TOPDIR)$(LOCAL_PATH)/%.aidl $(LOCAL_ADDITIONAL_DEPENDENCIES) $(AIDL) $(aidl_preprocess_import)
+$(aidl_java_sources): $(intermediates.COMMON)/src/%.java: \
+        $(TOPDIR)$(LOCAL_PATH)/%.aidl \
+        $(LOCAL_MODULE_MAKEFILE) \
+        $(LOCAL_ADDITIONAL_DEPENDENCIES) \
+        $(AIDL) \
+        $(aidl_preprocess_import)
 	$(transform-aidl-to-java)
 -include $(aidl_java_sources:%.java=%.P)
 
@@ -645,14 +650,6 @@
 # Keep track of all the tags we've seen.
 ALL_MODULE_TAGS := $(sort $(ALL_MODULE_TAGS) $(my_module_tags))
 
-# Add this module to the tag list of each specified tag.
-# Don't use "+=". If the variable hasn't been set with ":=",
-# it will default to recursive expansion.
-$(foreach tag,$(my_module_tags),\
-    $(eval ALL_MODULE_TAGS.$(tag) := \
-        $(ALL_MODULE_TAGS.$(tag)) \
-        $(LOCAL_INSTALLED_MODULE)))
-
 # Add this module name to the tag list of each specified tag.
 $(foreach tag,$(my_module_tags),\
     $(eval ALL_MODULE_NAME_TAGS.$(tag) += $(my_register_name)))
diff --git a/core/binary.mk b/core/binary.mk
index 122c4f5..08e290a 100644
--- a/core/binary.mk
+++ b/core/binary.mk
@@ -9,6 +9,46 @@
 include $(BUILD_SYSTEM)/base_rules.mk
 #######################################
 
+##################################################
+# Compute the dependency of the shared libraries
+##################################################
+# On the target, we compile with -nostdlib, so we must add in the
+# default system shared libraries, unless they have requested not
+# to by supplying a LOCAL_SYSTEM_SHARED_LIBRARIES value.  One would
+# supply that, for example, when building libc itself.
+ifdef LOCAL_IS_HOST_MODULE
+  ifeq ($(LOCAL_SYSTEM_SHARED_LIBRARIES),none)
+      my_system_shared_libraries :=
+  else
+      my_system_shared_libraries := $(LOCAL_SYSTEM_SHARED_LIBRARIES)
+  endif
+else
+  ifeq ($(LOCAL_SYSTEM_SHARED_LIBRARIES),none)
+      my_system_shared_libraries := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES)
+  else
+      my_system_shared_libraries := $(LOCAL_SYSTEM_SHARED_LIBRARIES)
+  endif
+endif
+
+# The following LOCAL_ variables will be modified in this file.
+# 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)
+my_static_libraries := $(LOCAL_STATIC_LIBRARIES)
+my_whole_static_libraries := $(LOCAL_WHOLE_STATIC_LIBRARIES)
+my_shared_libraries := $(LOCAL_SHARED_LIBRARIES)
+my_cflags := $(LOCAL_CFLAGS)
+my_cppflags := $(LOCAL_CPPFLAGS)
+my_ldflags := $(LOCAL_LDFLAGS)
+my_ldlibs := $(LOCAL_LDLIBS)
+my_asflags := $(LOCAL_ASFLAGS)
+my_cc := $(LOCAL_CC)
+my_cxx := $(LOCAL_CXX)
+my_c_includes := $(LOCAL_C_INCLUDES)
+my_generated_sources := $(LOCAL_GENERATED_SOURCES)
+my_native_coverage := $(LOCAL_NATIVE_COVERAGE)
+my_additional_dependencies := $(LOCAL_MODULE_MAKEFILE) $(LOCAL_ADDITIONAL_DEPENDENCIES)
+
 my_ndk_sysroot :=
 my_ndk_sysroot_include :=
 my_ndk_sysroot_lib :=
@@ -28,6 +68,12 @@
     my_ndk_sysroot_lib := $(my_ndk_sysroot)/usr/lib
   endif
 
+  # The bionic linker now has support for gnu style hashes (which are much
+  # faster!), but shipping to older devices requires the old style hash.
+  #ifeq ($(shell expr $(LOCAL_SDK_VERSION) >= FIRST_SUPPORTED_VERSION),0)
+    my_ldflags += -Wl,--hash-style=sysv
+  #endif
+
   # Set up the NDK stl variant. Starting from NDK-r5 the c++ stl resides in a separate location.
   # See ndk/docs/CPLUSPLUS-SUPPORT.html
   my_ndk_stl_include_path :=
@@ -76,45 +122,6 @@
   endif
 endif
 
-##################################################
-# Compute the dependency of the shared libraries
-##################################################
-# On the target, we compile with -nostdlib, so we must add in the
-# default system shared libraries, unless they have requested not
-# to by supplying a LOCAL_SYSTEM_SHARED_LIBRARIES value.  One would
-# supply that, for example, when building libc itself.
-ifdef LOCAL_IS_HOST_MODULE
-  ifeq ($(LOCAL_SYSTEM_SHARED_LIBRARIES),none)
-      my_system_shared_libraries :=
-  else
-      my_system_shared_libraries := $(LOCAL_SYSTEM_SHARED_LIBRARIES)
-  endif
-else
-  ifeq ($(LOCAL_SYSTEM_SHARED_LIBRARIES),none)
-      my_system_shared_libraries := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES)
-  else
-      my_system_shared_libraries := $(LOCAL_SYSTEM_SHARED_LIBRARIES)
-  endif
-endif
-
-# The following LOCAL_ variables will be modified in this file.
-# 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)
-my_static_libraries := $(LOCAL_STATIC_LIBRARIES)
-my_whole_static_libraries := $(LOCAL_WHOLE_STATIC_LIBRARIES)
-my_shared_libraries := $(LOCAL_SHARED_LIBRARIES)
-my_cflags := $(LOCAL_CFLAGS)
-my_cppflags := $(LOCAL_CPPFLAGS)
-my_ldflags := $(LOCAL_LDFLAGS)
-my_ldlibs := $(LOCAL_LDLIBS)
-my_asflags := $(LOCAL_ASFLAGS)
-my_cc := $(LOCAL_CC)
-my_cxx := $(LOCAL_CXX)
-my_c_includes := $(LOCAL_C_INCLUDES)
-my_generated_sources := $(LOCAL_GENERATED_SOURCES)
-my_native_coverage := $(LOCAL_NATIVE_COVERAGE)
-
 # MinGW spits out warnings about -fPIC even for -fpie?!) being ignored because
 # all code is position independent, and then those warnings get promoted to
 # errors.
@@ -561,13 +568,23 @@
         $(warning Stripping unneeded dependency on libprotobuf-cpp-2.3.0-full in $(LOCAL_MODULE))
         my_static_libraries := $(filter-out libprotobuf-cpp-2.3.0-full,$(my_static_libraries))
     endif
-    my_static_libraries += libprotobuf-cpp-full
+
+    ifdef LOCAL_SDK_VERSION
+        my_static_libraries += libprotobuf-cpp-full
+    else
+        my_shared_libraries += libprotobuf-cpp-full
+    endif
 else
     ifneq ($(filter libprotobuf-cpp-2.3.0-lite,$(my_static_libraries)),)
         $(warning Stripping unneeded dependency on libprotobuf-cpp-2.3.0-lite in $(LOCAL_MODULE))
         my_static_libraries := $(filter-out libprotobuf-cpp-2.3.0-lite,$(my_static_libraries))
     endif
-    my_static_libraries += libprotobuf-cpp-lite
+
+    ifdef LOCAL_SDK_VERSION
+        my_static_libraries += libprotobuf-cpp-lite
+    else
+        my_shared_libraries += libprotobuf-cpp-lite
+    endif
 endif
 endif  # $(proto_sources) non-empty
 
@@ -591,7 +608,7 @@
 ifneq ($(strip $(y_yacc_cpps)),)
 $(y_yacc_cpps): $(intermediates)/%$(LOCAL_CPP_EXTENSION): \
     $(TOPDIR)$(LOCAL_PATH)/%.y \
-    $(lex_cpps) $(LOCAL_ADDITIONAL_DEPENDENCIES)
+    $(lex_cpps) $(my_additional_dependencies)
 	$(call transform-y-to-cpp,$(PRIVATE_CPP_EXTENSION))
 $(yacc_headers): $(intermediates)/%.h: $(intermediates)/%$(LOCAL_CPP_EXTENSION)
 endif
@@ -599,7 +616,7 @@
 ifneq ($(strip $(yy_yacc_cpps)),)
 $(yy_yacc_cpps): $(intermediates)/%$(LOCAL_CPP_EXTENSION): \
     $(TOPDIR)$(LOCAL_PATH)/%.yy \
-    $(lex_cpps) $(LOCAL_ADDITIONAL_DEPENDENCIES)
+    $(lex_cpps) $(my_additional_dependencies)
 	$(call transform-y-to-cpp,$(PRIVATE_CPP_EXTENSION))
 $(yacc_headers): $(intermediates)/%.h: $(intermediates)/%$(LOCAL_CPP_EXTENSION)
 endif
@@ -643,7 +660,7 @@
 $(lex_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags)
 $(lex_objects): $(intermediates)/%.o: \
     $(intermediates)/%$(LOCAL_CPP_EXTENSION) \
-    $(LOCAL_ADDITIONAL_DEPENDENCIES) \
+    $(my_additional_dependencies) \
     $(yacc_headers)
 	$(transform-$(PRIVATE_HOST)cpp-to-o)
 endif
@@ -671,7 +688,7 @@
 $(cpp_objects): $(intermediates)/%.o: \
     $(TOPDIR)$(LOCAL_PATH)/%$(LOCAL_CPP_EXTENSION) \
     $(yacc_cpps) $(proto_generated_headers) \
-    $(LOCAL_ADDITIONAL_DEPENDENCIES)
+    $(my_additional_dependencies)
 	$(transform-$(PRIVATE_HOST)cpp-to-o)
 -include $(cpp_objects:%.o=%.P)
 endif
@@ -691,7 +708,7 @@
 $(gen_cpp_objects): $(intermediates)/%.o: \
     $(intermediates)/%$(LOCAL_CPP_EXTENSION) $(yacc_cpps) \
     $(proto_generated_headers) \
-    $(LOCAL_ADDITIONAL_DEPENDENCIES)
+    $(my_additional_dependencies)
 	$(transform-$(PRIVATE_HOST)cpp-to-o)
 -include $(gen_cpp_objects:%.o=%.P)
 endif
@@ -705,7 +722,7 @@
 
 ifneq ($(strip $(gen_S_sources)),)
 $(gen_S_objects): $(intermediates)/%.o: $(intermediates)/%.S \
-    $(LOCAL_ADDITIONAL_DEPENDENCIES)
+    $(my_additional_dependencies)
 	$(transform-$(PRIVATE_HOST)s-to-o)
 -include $(gen_S_objects:%.o=%.P)
 endif
@@ -715,7 +732,7 @@
 
 ifneq ($(strip $(gen_s_objects)),)
 $(gen_s_objects): $(intermediates)/%.o: $(intermediates)/%.s \
-    $(LOCAL_ADDITIONAL_DEPENDENCIES)
+    $(my_additional_dependencies)
 	$(transform-$(PRIVATE_HOST)s-to-o-no-deps)
 -include $(gen_s_objects:%.o=%.P)
 endif
@@ -747,7 +764,7 @@
 
 ifneq ($(strip $(c_objects)),)
 $(c_objects): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.c $(yacc_cpps) $(proto_generated_headers) \
-    $(LOCAL_ADDITIONAL_DEPENDENCIES)
+    $(my_additional_dependencies)
 	$(transform-$(PRIVATE_HOST)c-to-o)
 -include $(c_objects:%.o=%.P)
 endif
@@ -765,7 +782,7 @@
 $(gen_c_objects): PRIVATE_ARM_MODE := $(normal_objects_mode)
 $(gen_c_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags)
 $(gen_c_objects): $(intermediates)/%.o: $(intermediates)/%.c $(yacc_cpps) $(proto_generated_headers) \
-    $(LOCAL_ADDITIONAL_DEPENDENCIES)
+    $(my_additional_dependencies)
 	$(transform-$(PRIVATE_HOST)c-to-o)
 -include $(gen_c_objects:%.o=%.P)
 endif
@@ -779,7 +796,7 @@
 
 ifneq ($(strip $(objc_objects)),)
 $(objc_objects): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.m $(yacc_cpps) $(proto_generated_headers) \
-    $(LOCAL_ADDITIONAL_DEPENDENCIES)
+    $(my_additional_dependencies)
 	$(transform-$(PRIVATE_HOST)m-to-o)
 -include $(objc_objects:%.o=%.P)
 endif
@@ -793,7 +810,7 @@
 
 ifneq ($(strip $(asm_objects_S)),)
 $(asm_objects_S): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.S \
-    $(LOCAL_ADDITIONAL_DEPENDENCIES)
+    $(my_additional_dependencies)
 	$(transform-$(PRIVATE_HOST)s-to-o)
 -include $(asm_objects_S:%.o=%.P)
 endif
@@ -803,7 +820,7 @@
 
 ifneq ($(strip $(asm_objects_s)),)
 $(asm_objects_s): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.s \
-    $(LOCAL_ADDITIONAL_DEPENDENCIES)
+    $(my_additional_dependencies)
 	$(transform-$(PRIVATE_HOST)s-to-o-no-deps)
 -include $(asm_objects_s:%.o=%.P)
 endif
@@ -817,7 +834,7 @@
 ifneq ($(strip $(asm_sources_asm)),)
 asm_objects_asm := $(addprefix $(intermediates)/,$(asm_sources_asm:.asm=.o))
 $(asm_objects_asm): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.asm \
-    $(LOCAL_ADDITIONAL_DEPENDENCIES)
+    $(my_additional_dependencies)
 	$(transform-asm-to-o)
 
 asm_objects += $(asm_objects_asm)
@@ -992,7 +1009,6 @@
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_LDFLAGS := $(my_ldflags)
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_LDLIBS := $(my_ldlibs)
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_NO_CRT := $(strip $(LOCAL_NO_CRT) $(LOCAL_NO_CRT_$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)))
-$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_LIBCXX := $(my_libcxx)
 
 # this is really the way to get the files onto the command line instead
 # of using $^, because then LOCAL_ADDITIONAL_DEPENDENCIES doesn't work
diff --git a/core/combo/HOST_linux-x86.mk b/core/combo/HOST_linux-x86.mk
index 09cf271..93a1287 100644
--- a/core/combo/HOST_linux-x86.mk
+++ b/core/combo/HOST_linux-x86.mk
@@ -18,14 +18,14 @@
 # Included by combo/select.mk
 
 ifeq ($(strip $($(combo_2nd_arch_prefix)HOST_TOOLCHAIN_PREFIX)),)
-$(combo_2nd_arch_prefix)HOST_TOOLCHAIN_PREFIX := prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.11-4.8/bin/x86_64-linux-
+$(combo_2nd_arch_prefix)HOST_TOOLCHAIN_PREFIX := prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/bin/x86_64-linux-
 endif
 $(combo_2nd_arch_prefix)HOST_CC  := $($(combo_2nd_arch_prefix)HOST_TOOLCHAIN_PREFIX)gcc
 $(combo_2nd_arch_prefix)HOST_CXX := $($(combo_2nd_arch_prefix)HOST_TOOLCHAIN_PREFIX)g++
 $(combo_2nd_arch_prefix)HOST_AR  := $($(combo_2nd_arch_prefix)HOST_TOOLCHAIN_PREFIX)ar
 
 # gcc location for clang; to be updated when clang is updated
-$(combo_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG := prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.11-4.8/
+$(combo_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG := prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/
 
 # We expect SSE3 floating point math.
 $(combo_2nd_arch_prefix)HOST_GLOBAL_CFLAGS += -msse3 -mfpmath=sse -m32 -Wa,--noexecstack -march=prescott
@@ -40,7 +40,7 @@
   -no-canonical-prefixes \
   -include $(call select-android-config-h,linux-x86)
 
-# Disable new longjmp in glibc 2.11 and later. See bug 2967937.
+# Disable new longjmp in glibc 2.11 and later. See bug 2967937. Same for 2.15?
 $(combo_2nd_arch_prefix)HOST_GLOBAL_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0
 
 # Workaround differences in inttypes.h between host and target.
diff --git a/core/combo/HOST_linux-x86_64.mk b/core/combo/HOST_linux-x86_64.mk
index 86877b3..3685712 100644
--- a/core/combo/HOST_linux-x86_64.mk
+++ b/core/combo/HOST_linux-x86_64.mk
@@ -18,14 +18,14 @@
 # Included by combo/select.mk
 
 ifeq ($(strip $(HOST_TOOLCHAIN_PREFIX)),)
-HOST_TOOLCHAIN_PREFIX := prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.11-4.8/bin/x86_64-linux-
+HOST_TOOLCHAIN_PREFIX := prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/bin/x86_64-linux-
 endif
 HOST_CC  := $(HOST_TOOLCHAIN_PREFIX)gcc
 HOST_CXX := $(HOST_TOOLCHAIN_PREFIX)g++
 HOST_AR  := $(HOST_TOOLCHAIN_PREFIX)ar
 
 # gcc location for clang; to be updated when clang is updated
-HOST_TOOLCHAIN_FOR_CLANG := prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.11-4.8/
+HOST_TOOLCHAIN_FOR_CLANG := prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/
 
 HOST_GLOBAL_CFLAGS += -m64 -Wa,--noexecstack
 HOST_GLOBAL_LDFLAGS += -m64 -Wl,-z,noexecstack
@@ -40,7 +40,7 @@
   -no-canonical-prefixes \
   -include $(call select-android-config-h,linux-x86)
 
-# Disable new longjmp in glibc 2.11 and later. See bug 2967937.
+# Disable new longjmp in glibc 2.11 and later. See bug 2967937. Same for 2.15?
 HOST_GLOBAL_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0
 
 # Workaround differences in inttypes.h between host and target.
diff --git a/core/combo/TARGET_linux-arm.mk b/core/combo/TARGET_linux-arm.mk
index 9472306..9ffcb86 100644
--- a/core/combo/TARGET_linux-arm.mk
+++ b/core/combo/TARGET_linux-arm.mk
@@ -136,6 +136,7 @@
 			-Wl,--warn-shared-textrel \
 			-Wl,--fatal-warnings \
 			-Wl,--icf=safe \
+			-Wl,--hash-style=gnu \
 			$(arch_variant_ldflags)
 
 $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -mthumb-interwork
@@ -190,81 +191,4 @@
 
 $(combo_2nd_arch_prefix)TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libm
 
-$(combo_2nd_arch_prefix)TARGET_CUSTOM_LD_COMMAND := true
-
-define $(combo_2nd_arch_prefix)transform-o-to-shared-lib-inner
-$(hide) $(PRIVATE_CXX) \
-	-nostdlib -Wl,-soname,$(notdir $@) \
-	-Wl,--gc-sections \
-	$(if $(filter true,$(PRIVATE_CLANG)),-shared,-Wl,-shared) \
-	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \
-	$(PRIVATE_ALL_OBJECTS) \
-	-Wl,--whole-archive \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
-	-Wl,--no-whole-archive \
-	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
-	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
-	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
-	-o $@ \
-	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
-	$(PRIVATE_LDFLAGS) \
-	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(if $(filter true,$(NATIVE_COVERAGE)),$(PRIVATE_TARGET_LIBGCOV)) \
-	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O)) \
-	$(PRIVATE_LDLIBS)
-endef
-
-define $(combo_2nd_arch_prefix)transform-o-to-executable-inner
-$(hide) $(PRIVATE_CXX) -nostdlib -Bdynamic -pie \
-	-Wl,-dynamic-linker,/system/bin/linker \
-	-Wl,--gc-sections \
-	-Wl,-z,nocopyreloc \
-	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
-	-Wl,-rpath-link=$(PRIVATE_TARGET_OUT_INTERMEDIATE_LIBRARIES) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_DYNAMIC_O)) \
-	$(PRIVATE_ALL_OBJECTS) \
-	-Wl,--whole-archive \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
-	-Wl,--no-whole-archive \
-	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
-	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
-	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
-	-o $@ \
-	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
-	$(PRIVATE_LDFLAGS) \
-	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(if $(filter true,$(NATIVE_COVERAGE)),$(PRIVATE_TARGET_LIBGCOV)) \
-	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) \
-	$(PRIVATE_LDLIBS)
-endef
-
-define $(combo_2nd_arch_prefix)transform-o-to-static-executable-inner
-$(hide) $(PRIVATE_CXX) -nostdlib -Bstatic \
-	-Wl,--gc-sections \
-	-o $@ \
-	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_STATIC_O)) \
-	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
-	$(PRIVATE_LDFLAGS) \
-	$(PRIVATE_ALL_OBJECTS) \
-	-Wl,--whole-archive \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
-	-Wl,--no-whole-archive \
-	$(call normalize-target-libraries,$(filter-out %libcompiler_rt.a,$(filter-out %libc_nomalloc.a,$(filter-out %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))))) \
-	-Wl,--start-group \
-	$(call normalize-target-libraries,$(filter %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
-	$(call normalize-target-libraries,$(filter %libc_nomalloc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
-	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(if $(filter true,$(NATIVE_COVERAGE)),$(PRIVATE_TARGET_LIBGCOV)) \
-	$(call normalize-target-libraries,$(filter %libcompiler_rt.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
-	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
-	-Wl,--end-group \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O))
-endef
+$(combo_2nd_arch_prefix)TARGET_LINKER := /system/bin/linker
diff --git a/core/combo/TARGET_linux-arm64.mk b/core/combo/TARGET_linux-arm64.mk
index 7c44366..8269010 100644
--- a/core/combo/TARGET_linux-arm64.mk
+++ b/core/combo/TARGET_linux-arm64.mk
@@ -111,6 +111,7 @@
 			-Wl,--warn-shared-textrel \
 			-Wl,--fatal-warnings \
 			-Wl,-maarch64linux \
+			-Wl,--hash-style=gnu \
 			$(arch_variant_ldflags)
 
 TARGET_GLOBAL_CPPFLAGS += -fvisibility-inlines-hidden
@@ -156,81 +157,4 @@
 
 TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libm
 
-TARGET_CUSTOM_LD_COMMAND := true
-
-define transform-o-to-shared-lib-inner
-$(hide) $(PRIVATE_CXX) \
-	-nostdlib -Wl,-soname,$(notdir $@) \
-	-Wl,--gc-sections \
-	$(if $(filter true,$(PRIVATE_CLANG)),-shared,-Wl,-shared) \
-	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \
-	$(PRIVATE_ALL_OBJECTS) \
-	-Wl,--whole-archive \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
-	-Wl,--no-whole-archive \
-	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
-	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
-	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
-	-o $@ \
-	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
-	$(PRIVATE_LDFLAGS) \
-	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(if $(filter true,$(NATIVE_COVERAGE)),$(PRIVATE_TARGET_LIBGCOV)) \
-	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O)) \
-	$(PRIVATE_LDLIBS)
-endef
-
-define transform-o-to-executable-inner
-$(hide) $(PRIVATE_CXX) -nostdlib -Bdynamic -pie \
-	-Wl,-dynamic-linker,/system/bin/linker64 \
-	-Wl,--gc-sections \
-	-Wl,-z,nocopyreloc \
-	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
-	-Wl,-rpath-link=$(PRIVATE_TARGET_OUT_INTERMEDIATE_LIBRARIES) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_DYNAMIC_O)) \
-	$(PRIVATE_ALL_OBJECTS) \
-	-Wl,--whole-archive \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
-	-Wl,--no-whole-archive \
-	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
-	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
-	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
-	-o $@ \
-	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
-	$(PRIVATE_LDFLAGS) \
-	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(if $(filter true,$(NATIVE_COVERAGE)),$(PRIVATE_TARGET_LIBGCOV)) \
-	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) \
-	$(PRIVATE_LDLIBS)
-endef
-
-define transform-o-to-static-executable-inner
-$(hide) $(PRIVATE_CXX) -nostdlib -Bstatic \
-	-Wl,--gc-sections \
-	-o $@ \
-	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_STATIC_O)) \
-	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
-	$(PRIVATE_LDFLAGS) \
-	$(PRIVATE_ALL_OBJECTS) \
-	-Wl,--whole-archive \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
-	-Wl,--no-whole-archive \
-	$(call normalize-target-libraries,$(filter-out %libcompiler_rt.a,$(filter-out %libc_nomalloc.a,$(filter-out %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))))) \
-	-Wl,--start-group \
-	$(call normalize-target-libraries,$(filter %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
-	$(call normalize-target-libraries,$(filter %libc_nomalloc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
-	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(if $(filter true,$(NATIVE_COVERAGE)),$(PRIVATE_TARGET_LIBGCOV)) \
-	$(call normalize-target-libraries,$(filter %libcompiler_rt.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
-	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
-	-Wl,--end-group \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O))
-endef
+TARGET_LINKER := /system/bin/linker64
diff --git a/core/combo/TARGET_linux-mips.mk b/core/combo/TARGET_linux-mips.mk
index 5963727..f851af4 100644
--- a/core/combo/TARGET_linux-mips.mk
+++ b/core/combo/TARGET_linux-mips.mk
@@ -162,81 +162,4 @@
 
 $(combo_2nd_arch_prefix)TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libm
 
-$(combo_2nd_arch_prefix)TARGET_CUSTOM_LD_COMMAND := true
-
-define $(combo_2nd_arch_prefix)transform-o-to-shared-lib-inner
-$(hide) $(PRIVATE_CXX) \
-	-nostdlib -Wl,-soname,$(notdir $@) \
-	-Wl,--gc-sections \
-	$(if $(filter true,$(PRIVATE_CLANG)),-shared,-Wl,-shared) \
-	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \
-	$(PRIVATE_ALL_OBJECTS) \
-	-Wl,--whole-archive \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
-	-Wl,--no-whole-archive \
-	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
-	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
-	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
-	-o $@ \
-	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
-	$(PRIVATE_LDFLAGS) \
-	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(if $(filter true,$(NATIVE_COVERAGE)),$(PRIVATE_TARGET_LIBGCOV)) \
-	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O)) \
-	$(PRIVATE_LDLIBS)
-endef
-
-define $(combo_2nd_arch_prefix)transform-o-to-executable-inner
-$(hide) $(PRIVATE_CXX) -nostdlib -Bdynamic -pie \
-	-Wl,-dynamic-linker,/system/bin/linker \
-	-Wl,--gc-sections \
-	-Wl,-z,nocopyreloc \
-	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
-	-Wl,-rpath-link=$(PRIVATE_TARGET_OUT_INTERMEDIATE_LIBRARIES) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_DYNAMIC_O)) \
-	$(PRIVATE_ALL_OBJECTS) \
-	-Wl,--whole-archive \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
-	-Wl,--no-whole-archive \
-	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
-	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
-	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
-	-o $@ \
-	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
-	$(PRIVATE_LDFLAGS) \
-	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(if $(filter true,$(NATIVE_COVERAGE)),$(PRIVATE_TARGET_LIBGCOV)) \
-	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) \
-	$(PRIVATE_LDLIBS)
-endef
-
-define $(combo_2nd_arch_prefix)transform-o-to-static-executable-inner
-$(hide) $(PRIVATE_CXX) -nostdlib -Bstatic \
-	-Wl,--gc-sections \
-	-o $@ \
-	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_STATIC_O)) \
-	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
-	$(PRIVATE_LDFLAGS) \
-	$(PRIVATE_ALL_OBJECTS) \
-	-Wl,--whole-archive \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
-	-Wl,--no-whole-archive \
-	$(call normalize-target-libraries,$(filter-out %libcompiler_rt.a,$(filter-out %libc_nomalloc.a,$(filter-out %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))))) \
-	-Wl,--start-group \
-	$(call normalize-target-libraries,$(filter %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
-	$(call normalize-target-libraries,$(filter %libc_nomalloc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
-	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(if $(filter true,$(NATIVE_COVERAGE)),$(PRIVATE_TARGET_LIBGCOV)) \
-	$(call normalize-target-libraries,$(filter %libcompiler_rt.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
-	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
-	-Wl,--end-group \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O))
-endef
+$(combo_2nd_arch_prefix)TARGET_LINKER := /system/bin/linker
diff --git a/core/combo/TARGET_linux-mips64.mk b/core/combo/TARGET_linux-mips64.mk
index aef6759..2a30f3f 100644
--- a/core/combo/TARGET_linux-mips64.mk
+++ b/core/combo/TARGET_linux-mips64.mk
@@ -166,81 +166,4 @@
 
 TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libstdc++ libm
 
-TARGET_CUSTOM_LD_COMMAND := true
-
-define transform-o-to-shared-lib-inner
-$(hide) $(PRIVATE_CXX) \
-	-nostdlib -Wl,-soname,$(notdir $@) \
-	-Wl,--gc-sections \
-	$(if $(filter true,$(PRIVATE_CLANG)),-shared,-Wl,-shared) \
-	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \
-	$(PRIVATE_ALL_OBJECTS) \
-	-Wl,--whole-archive \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
-	-Wl,--no-whole-archive \
-	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
-	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
-	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
-	-o $@ \
-	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
-	$(PRIVATE_LDFLAGS) \
-	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(if $(filter true,$(NATIVE_COVERAGE)),$(PRIVATE_TARGET_LIBGCOV)) \
-	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O)) \
-	$(PRIVATE_LDLIBS)
-endef
-
-define transform-o-to-executable-inner
-$(hide) $(PRIVATE_CXX) -nostdlib -Bdynamic -pie \
-	-Wl,-dynamic-linker,/system/bin/linker64 \
-	-Wl,--gc-sections \
-	-Wl,-z,nocopyreloc \
-	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
-	-Wl,-rpath-link=$(PRIVATE_TARGET_OUT_INTERMEDIATE_LIBRARIES) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_DYNAMIC_O)) \
-	$(PRIVATE_ALL_OBJECTS) \
-	-Wl,--whole-archive \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
-	-Wl,--no-whole-archive \
-	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
-	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
-	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
-	-o $@ \
-	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
-	$(PRIVATE_LDFLAGS) \
-	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(if $(filter true,$(NATIVE_COVERAGE)),$(PRIVATE_TARGET_LIBGCOV)) \
-	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) \
-	$(PRIVATE_LDLIBS)
-endef
-
-define transform-o-to-static-executable-inner
-$(hide) $(PRIVATE_CXX) -nostdlib -Bstatic \
-	-Wl,--gc-sections \
-	-o $@ \
-	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_STATIC_O)) \
-	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
-	$(PRIVATE_LDFLAGS) \
-	$(PRIVATE_ALL_OBJECTS) \
-	-Wl,--whole-archive \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
-	-Wl,--no-whole-archive \
-	$(call normalize-target-libraries,$(filter-out %libcompiler_rt.a,$(filter-out %libc_nomalloc.a,$(filter-out %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))))) \
-	-Wl,--start-group \
-	$(call normalize-target-libraries,$(filter %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
-	$(call normalize-target-libraries,$(filter %libc_nomalloc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
-	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(if $(filter true,$(NATIVE_COVERAGE)),$(PRIVATE_TARGET_LIBGCOV)) \
-	$(call normalize-target-libraries,$(filter %libcompiler_rt.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
-	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
-	-Wl,--end-group \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O))
-endef
+TARGET_LINKER := /system/bin/linker64
diff --git a/core/combo/TARGET_linux-x86.mk b/core/combo/TARGET_linux-x86.mk
index 2c29815..c2188c0 100644
--- a/core/combo/TARGET_linux-x86.mk
+++ b/core/combo/TARGET_linux-x86.mk
@@ -125,6 +125,7 @@
 $(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--warn-shared-textrel
 $(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--fatal-warnings
 $(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--gc-sections
+$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--hash-style=gnu
 
 $(combo_2nd_arch_prefix)TARGET_C_INCLUDES := \
 	$(libc_root)/arch-x86/include \
@@ -144,79 +145,4 @@
 
 $(combo_2nd_arch_prefix)TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libm
 
-$(combo_2nd_arch_prefix)TARGET_CUSTOM_LD_COMMAND := true
-define $(combo_2nd_arch_prefix)transform-o-to-shared-lib-inner
-$(hide) $(PRIVATE_CXX) \
-	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
-	 -nostdlib -Wl,-soname,$(notdir $@) \
-	$(if $(filter true,$(PRIVATE_CLANG)),-shared,-Wl,-shared) \
-	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \
-	$(PRIVATE_ALL_OBJECTS) \
-	-Wl,--whole-archive \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
-	-Wl,--no-whole-archive \
-	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
-	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
-	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
-	-o $@ \
-	$(PRIVATE_LDFLAGS) \
-	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(if $(filter true,$(NATIVE_COVERAGE)),$(PRIVATE_TARGET_LIBGCOV)) \
-	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O)) \
-	$(PRIVATE_LDLIBS)
-endef
-
-define $(combo_2nd_arch_prefix)transform-o-to-executable-inner
-$(hide) $(PRIVATE_CXX) \
-	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
-	-nostdlib -Bdynamic \
-	-Wl,-z,nocopyreloc \
-	-pie \
-	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
-	-Wl,-rpath-link=$(PRIVATE_TARGET_OUT_INTERMEDIATE_LIBRARIES) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_DYNAMIC_O)) \
-	$(PRIVATE_ALL_OBJECTS) \
-	-Wl,--whole-archive \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
-	-Wl,--no-whole-archive \
-	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
-	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
-	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
-	-o $@ \
-	$(PRIVATE_LDFLAGS) \
-	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(if $(filter true,$(NATIVE_COVERAGE)),$(PRIVATE_TARGET_LIBGCOV)) \
-	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) \
-	$(PRIVATE_LDLIBS)
-endef
-
-define $(combo_2nd_arch_prefix)transform-o-to-static-executable-inner
-$(hide) $(PRIVATE_CXX) \
-	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
-	-nostdlib -Bstatic \
-	-o $@ \
-	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_STATIC_O)) \
-	$(PRIVATE_LDFLAGS) \
-	$(PRIVATE_ALL_OBJECTS) \
-	-Wl,--whole-archive \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
-	-Wl,--no-whole-archive \
-	-Wl,--start-group \
-	$(call normalize-target-libraries,$(filter-out %libcompiler_rt.a,$(filter-out %libc_nomalloc.a,$(filter-out %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))))) \
-	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(call normalize-target-libraries,$(filter %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
-	$(call normalize-target-libraries,$(filter %libc_nomalloc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
-	$(if $(filter true,$(NATIVE_COVERAGE)),$(PRIVATE_TARGET_LIBGCOV)) \
-	$(call normalize-target-libraries,$(filter %libcompiler_rt.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
-	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
-	-Wl,--end-group \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O))
-endef
+$(combo_2nd_arch_prefix)TARGET_LINKER := /system/bin/linker
diff --git a/core/combo/TARGET_linux-x86_64.mk b/core/combo/TARGET_linux-x86_64.mk
index 997ee51..6581f64 100644
--- a/core/combo/TARGET_linux-x86_64.mk
+++ b/core/combo/TARGET_linux-x86_64.mk
@@ -130,6 +130,7 @@
 TARGET_GLOBAL_LDFLAGS += -Wl,--warn-shared-textrel
 TARGET_GLOBAL_LDFLAGS += -Wl,--fatal-warnings
 TARGET_GLOBAL_LDFLAGS += -Wl,--gc-sections
+TARGET_GLOBAL_LDFLAGS += -Wl,--hash-style=gnu
 
 TARGET_C_INCLUDES := \
 	$(libc_root)/arch-x86_64/include \
@@ -149,79 +150,4 @@
 
 TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libm
 
-TARGET_CUSTOM_LD_COMMAND := true
-define transform-o-to-shared-lib-inner
-$(hide) $(PRIVATE_CXX) \
-	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
-	 -nostdlib -Wl,-soname,$(notdir $@) \
-	$(if $(filter true,$(PRIVATE_CLANG)),-shared,-Wl,-shared) \
-	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \
-	$(PRIVATE_ALL_OBJECTS) \
-	-Wl,--whole-archive \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
-	-Wl,--no-whole-archive \
-	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
-	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
-	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
-	-o $@ \
-	$(PRIVATE_LDFLAGS) \
-	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(if $(filter true,$(NATIVE_COVERAGE)),$(PRIVATE_TARGET_LIBGCOV)) \
-	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O)) \
-	$(PRIVATE_LDLIBS)
-endef
-
-define transform-o-to-executable-inner
-$(hide) $(PRIVATE_CXX) \
-	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
-	-nostdlib -Bdynamic \
-	-Wl,-z,nocopyreloc \
-	-pie \
-	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
-	-Wl,-rpath-link=$(PRIVATE_TARGET_OUT_INTERMEDIATE_LIBRARIES) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_DYNAMIC_O)) \
-	$(PRIVATE_ALL_OBJECTS) \
-	-Wl,--whole-archive \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
-	-Wl,--no-whole-archive \
-	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
-	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
-	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
-	-o $@ \
-	$(PRIVATE_LDFLAGS) \
-	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(if $(filter true,$(NATIVE_COVERAGE)),$(PRIVATE_TARGET_LIBGCOV)) \
-	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) \
-	$(PRIVATE_LDLIBS)
-endef
-
-define transform-o-to-static-executable-inner
-$(hide) $(PRIVATE_CXX) \
-	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
-	-nostdlib -Bstatic \
-	-o $@ \
-	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_STATIC_O)) \
-	$(PRIVATE_LDFLAGS) \
-	$(PRIVATE_ALL_OBJECTS) \
-	-Wl,--whole-archive \
-	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
-	-Wl,--no-whole-archive \
-	$(call normalize-target-libraries,$(filter-out %libcompiler_rt.a,$(filter-out %libc_nomalloc.a,$(filter-out %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))))) \
-	-Wl,--start-group \
-	$(call normalize-target-libraries,$(filter %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
-	$(call normalize-target-libraries,$(filter %libc_nomalloc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
-	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(if $(filter true,$(NATIVE_COVERAGE)),$(PRIVATE_TARGET_LIBGCOV)) \
-	$(call normalize-target-libraries,$(filter %libcompiler_rt.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
-	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
-	-Wl,--end-group \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O))
-endef
+TARGET_LINKER := /system/bin/linker64
diff --git a/core/combo/include/arch/darwin-x86/AndroidConfig.h b/core/combo/include/arch/darwin-x86/AndroidConfig.h
index 9546f7a..35d826c 100644
--- a/core/combo/include/arch/darwin-x86/AndroidConfig.h
+++ b/core/combo/include/arch/darwin-x86/AndroidConfig.h
@@ -42,27 +42,6 @@
 #define HAVE_PTHREADS
 
 /*
- * Process creation model.  Choose one:
- *
- * HAVE_FORKEXEC - use fork() and exec()
- * HAVE_WIN32_PROC - use CreateProcess()
- */
-#define HAVE_FORKEXEC
-
-/*
- * Memory-mapping model. Choose one:
- *
- * HAVE_POSIX_FILEMAP - use the Posix sys/mmap.h
- * HAVE_WIN32_FILEMAP - use Win32 filemaps
- */
-#define  HAVE_POSIX_FILEMAP
-
-/*
- * Define this if you have <termio.h>
- */
-#define  HAVE_TERMIO_H
-
-/*
  * Define this if you build against MSVCRT.DLL
  */
 /* #define HAVE_MS_C_RUNTIME */
@@ -79,11 +58,6 @@
 #define HAVE_SYMLINKS
 
 /*
- * Define this if we have localtime_r().
- */
-#define HAVE_LOCALTIME_R 1
-
-/*
  * Endianness of the target machine.  Choose one:
  *
  * HAVE_ENDIAN_H -- have endian.h header we can include.
@@ -115,16 +89,6 @@
 /* #define HAVE_MALLOC_H */
 
 /*
- * Define if dirent struct has d_type field
- */
-#define HAVE_DIRENT_D_TYPE 1
-
-/*
- * Define if we have madvise() in <sys/mman.h>
- */
-#define HAVE_MADVISE 1
-
-/*
  * Define if we include <sys/mount.h> for statfs()
  */
 #define INCLUDE_SYS_MOUNT_FOR_STATFS 1
@@ -132,11 +96,7 @@
 /*
  * What CPU architecture does this platform use?
  */
-#if (defined(__ppc__) || defined(__ppc64__))
-#   define ARCH_PPC
-#elif (defined(__i386__) || defined(__x86_64__))
-#   define ARCH_X86
-#endif
+#define ARCH_X86
 
 /*
  * sprintf() format string for shared library naming.
@@ -149,13 +109,6 @@
 #define OS_PATH_SEPARATOR '/'
 
 /*
- * Is the filesystem case sensitive?
- *
- * For tools apps, we'll treat is as not case sensitive.
- */
-/* #define OS_CASE_SENSITIVE */
-
-/*
  * Define if <sys/socket.h> exists.
  */
 #define HAVE_SYS_SOCKET_H 1
@@ -186,16 +139,6 @@
 #define HAVE_SCHED_H 1
 
 /*
- * Define if pread() exists
- */
-#define HAVE_PREAD 1
-
-/*
- * Define if we have st_mtim in struct stat
- */
-#define HAVE_STAT_ST_MTIM 1
-
-/*
  * Define if printf() supports %zd for size_t arguments
  */
 #define HAVE_PRINTF_ZD 1
diff --git a/core/combo/include/arch/linux-arm/AndroidConfig.h b/core/combo/include/arch/linux-arm/AndroidConfig.h
index ce2bbd4..d4d6048 100644
--- a/core/combo/include/arch/linux-arm/AndroidConfig.h
+++ b/core/combo/include/arch/linux-arm/AndroidConfig.h
@@ -42,27 +42,6 @@
 #define HAVE_PTHREADS
 
 /*
- * Process creation model.  Choose one:
- *
- * HAVE_FORKEXEC - use fork() and exec()
- * HAVE_WIN32_PROC - use CreateProcess()
- */
-#define HAVE_FORKEXEC
-
-/*
- * Memory-mapping model. Choose one:
- *
- * HAVE_POSIX_FILEMAP - use the Posix sys/mmap.h
- * HAVE_WIN32_FILEMAP - use Win32 filemaps
- */
-#define  HAVE_POSIX_FILEMAP
-
-/*
- * Define this if you have <termio.h>
- */
-#define  HAVE_TERMIO_H 1
-
-/*
  * Define this if you build against MSVCRT.DLL
  */
 /* #define HAVE_MS_C_RUNTIME */
@@ -93,24 +72,12 @@
 #define HAVE_ENDIAN_H
 #define HAVE_LITTLE_ENDIAN
 
-/* 
- * Defined if we have the sched_setscheduler() call
- */
-#define HAVE_SCHED_SETSCHEDULER
-
-/*
- * Add any extra platform-specific defines here.
- */
-#ifndef __linux__
-#define __linux__
-#endif
-
 /*
  * Define if we have <malloc.h> header
  */
 #define HAVE_MALLOC_H
 
-/* 
+/*
  * Define if we're running on *our* linux on device or emulator.
  */
 #define HAVE_ANDROID_OS 1
@@ -121,21 +88,6 @@
 #define HAVE_LINUX_LOCAL_SOCKET_NAMESPACE 1
 
 /*
- * Define if we have Linux's inotify in <sys/inotify.h>.
- */
-#define HAVE_INOTIFY 1
-
-/*
- * Define if we have madvise() in <sys/mman.h>
- */
-#define HAVE_MADVISE 1
-
-/*
- * Define if dirent struct has d_type field
- */
-#define HAVE_DIRENT_D_TYPE 1
-
-/*
  * Define if libc includes Android system properties implementation.
  */
 #define HAVE_LIBC_SYSTEM_PROPERTIES 1
@@ -156,11 +108,6 @@
 #define OS_PATH_SEPARATOR '/'
 
 /*
- * Is the filesystem case sensitive?
- */
-#define OS_CASE_SENSITIVE
-
-/*
  * Define if <sys/socket.h> exists.
  */
 #define HAVE_SYS_SOCKET_H 1
@@ -196,16 +143,6 @@
 #define HAVE_SCHED_H 1
 
 /*
- * Define if pread() exists
- */
-#define HAVE_PREAD 1
-
-/*
- * Define if we have st_mtim in struct stat
- */
-#define HAVE_STAT_ST_MTIM 1
-
-/*
  * Define if printf() supports %zd for size_t arguments
  */
 #define HAVE_PRINTF_ZD 1
diff --git a/core/combo/include/arch/linux-arm64/AndroidConfig.h b/core/combo/include/arch/linux-arm64/AndroidConfig.h
index e5c225c..dc83d8c 100644
--- a/core/combo/include/arch/linux-arm64/AndroidConfig.h
+++ b/core/combo/include/arch/linux-arm64/AndroidConfig.h
@@ -42,27 +42,6 @@
 #define HAVE_PTHREADS
 
 /*
- * Process creation model.  Choose one:
- *
- * HAVE_FORKEXEC - use fork() and exec()
- * HAVE_WIN32_PROC - use CreateProcess()
- */
-#define HAVE_FORKEXEC
-
-/*
- * Memory-mapping model. Choose one:
- *
- * HAVE_POSIX_FILEMAP - use the Posix sys/mmap.h
- * HAVE_WIN32_FILEMAP - use Win32 filemaps
- */
-#define  HAVE_POSIX_FILEMAP
-
-/*
- * Define this if you have <termio.h>
- */
-#define  HAVE_TERMIO_H 1
-
-/*
  * Define this if you have sys/uio.h
  */
 #define  HAVE_SYS_UIO_H 1
@@ -92,18 +71,6 @@
 /* #define _LARGEFILE_SOURCE 1 */
 
 /*
- * Defined if we have the sched_setscheduler() call
- */
-#define HAVE_SCHED_SETSCHEDULER
-
-/*
- * Add any extra platform-specific defines here.
- */
-#ifndef __linux__
-#define __linux__
-#endif
-
-/*
  * Define if we have <malloc.h> header
  */
 #define HAVE_MALLOC_H
@@ -119,31 +86,11 @@
 #define HAVE_LINUX_LOCAL_SOCKET_NAMESPACE 1
 
 /*
- * Define if we have Linux's inotify in <sys/inotify.h>.
- */
-#define HAVE_INOTIFY 1
-
-/*
- * Define if we have madvise() in <sys/mman.h>
- */
-#define HAVE_MADVISE 1
-
-/*
- * Define if dirent struct has d_type field
- */
-#define HAVE_DIRENT_D_TYPE 1
-
-/*
  * Define if libc includes Android system properties implementation.
  */
 #define HAVE_LIBC_SYSTEM_PROPERTIES 1
 
 /*
- * What CPU architecture does this platform use?
- */
-#define ARCH_AARCH64
-
-/*
  * sprintf() format string for shared library naming.
  */
 #define OS_SHARED_LIB_FORMAT_STR    "lib%s.so"
@@ -154,11 +101,6 @@
 #define OS_PATH_SEPARATOR '/'
 
 /*
- * Is the filesystem case sensitive?
- */
-#define OS_CASE_SENSITIVE
-
-/*
  * Define if <sys/socket.h> exists.
  */
 #define HAVE_SYS_SOCKET_H 1
@@ -194,16 +136,6 @@
 #define HAVE_SCHED_H 1
 
 /*
- * Define if pread() exists
- */
-#define HAVE_PREAD 1
-
-/*
- * Define if we have st_mtim in struct stat
- */
-#define HAVE_STAT_ST_MTIM 1
-
-/*
  * Define if printf() supports %zd for size_t arguments
  */
 #define HAVE_PRINTF_ZD 1
diff --git a/core/combo/include/arch/linux-mips/AndroidConfig.h b/core/combo/include/arch/linux-mips/AndroidConfig.h
index 3d8f8e8..dd60115 100644
--- a/core/combo/include/arch/linux-mips/AndroidConfig.h
+++ b/core/combo/include/arch/linux-mips/AndroidConfig.h
@@ -42,27 +42,6 @@
 #define HAVE_PTHREADS
 
 /*
- * Process creation model.  Choose one:
- *
- * HAVE_FORKEXEC - use fork() and exec()
- * HAVE_WIN32_PROC - use CreateProcess()
- */
-#define HAVE_FORKEXEC
-
-/*
- * Memory-mapping model. Choose one:
- *
- * HAVE_POSIX_FILEMAP - use the Posix sys/mmap.h
- * HAVE_WIN32_FILEMAP - use Win32 filemaps
- */
-#define  HAVE_POSIX_FILEMAP
-
-/*
- * Define this if you have <termio.h>
- */
-#define  HAVE_TERMIO_H 1
-
-/*
  * Define this if you build against MSVCRT.DLL
  */
 /* #define HAVE_MS_C_RUNTIME */
@@ -79,16 +58,6 @@
 #define HAVE_SYMLINKS
 
 /*
- * Define this if we have localtime_r().
- */
-/* #define HAVE_LOCALTIME_R */
-
-/*
- * Define this if we have gethostbyname_r().
- */
-/* #define HAVE_GETHOSTBYNAME_R */
-
-/*
  * Define this if we want to use WinSock.
  */
 /* #define HAVE_WINSOCK */
@@ -122,30 +91,6 @@
 /* #define _LARGEFILE_SOURCE 1 */
 
 /*
- * Defined if we have the sched_setscheduler() call
- */
-#define HAVE_SCHED_SETSCHEDULER
-
-/*
- * Add any extra platform-specific defines here.
- */
-#ifndef __linux__
-#define __linux__ 1
-#endif
-
-#ifndef __linux
-#define __linux 1
-#endif
-
-#ifdef __unix__
-#undef __unix__
-#endif
-
-#ifdef __unix
-#undef __unix
-#endif
-
-/*
  * Define if we have <malloc.h> header
  */
 #define HAVE_MALLOC_H
@@ -161,21 +106,6 @@
 #define HAVE_LINUX_LOCAL_SOCKET_NAMESPACE 1
 
 /*
- * Define if we have Linux's inotify in <sys/inotify.h>.
- */
-#define HAVE_INOTIFY 1
-
-/*
- * Define if we have madvise() in <sys/mman.h>
- */
-#define HAVE_MADVISE 1
-
-/*
- * Define if dirent struct has d_type field
- */
-#define HAVE_DIRENT_D_TYPE 1
-
-/*
  * Define if libc includes Android system properties implementation.
  */
 #define HAVE_LIBC_SYSTEM_PROPERTIES 1
@@ -187,16 +117,6 @@
 /* #define HAVE_SYSTEM_PROPERTY_SERVER */
 
 /*
- * What CPU architecture does this platform use?
- */
-#define ARCH_MIPS 1
-
-/*
- * Define if the size of enums is as short as possible,
- */
-/* #define HAVE_SHORT_ENUMS */
-
-/*
  * sprintf() format string for shared library naming.
  */
 #define OS_SHARED_LIB_FORMAT_STR    "lib%s.so"
@@ -207,11 +127,6 @@
 #define OS_PATH_SEPARATOR '/'
 
 /*
- * Is the filesystem case sensitive?
- */
-#define OS_CASE_SENSITIVE
-
-/*
  * Define if <sys/socket.h> exists.
  */
 #define HAVE_SYS_SOCKET_H 1
@@ -247,16 +162,6 @@
 #define HAVE_SCHED_H 1
 
 /*
- * Define if pread() exists
- */
-#define HAVE_PREAD 1
-
-/*
- * Define if we have st_mtim in struct stat
- */
-#define HAVE_STAT_ST_MTIM 1
-
-/*
  * Define if printf() supports %zd for size_t arguments
  */
 #define HAVE_PRINTF_ZD 1
diff --git a/core/combo/include/arch/linux-mips64/AndroidConfig.h b/core/combo/include/arch/linux-mips64/AndroidConfig.h
index 6a465a5..91e0a83 100644
--- a/core/combo/include/arch/linux-mips64/AndroidConfig.h
+++ b/core/combo/include/arch/linux-mips64/AndroidConfig.h
@@ -42,27 +42,6 @@
 #define HAVE_PTHREADS
 
 /*
- * Process creation model.  Choose one:
- *
- * HAVE_FORKEXEC - use fork() and exec()
- * HAVE_WIN32_PROC - use CreateProcess()
- */
-#define HAVE_FORKEXEC
-
-/*
- * Memory-mapping model. Choose one:
- *
- * HAVE_POSIX_FILEMAP - use the Posix sys/mmap.h
- * HAVE_WIN32_FILEMAP - use Win32 filemaps
- */
-#define  HAVE_POSIX_FILEMAP
-
-/*
- * Define this if you have <termio.h>
- */
-#define  HAVE_TERMIO_H 1
-
-/*
  * Define this if you build against MSVCRT.DLL
  */
 /* #define HAVE_MS_C_RUNTIME */
@@ -79,16 +58,6 @@
 #define HAVE_SYMLINKS
 
 /*
- * Define this if we have localtime_r().
- */
-/* #define HAVE_LOCALTIME_R */
-
-/*
- * Define this if we have gethostbyname_r().
- */
-/* #define HAVE_GETHOSTBYNAME_R */
-
-/*
  * Define this if we want to use WinSock.
  */
 /* #define HAVE_WINSOCK */
@@ -112,30 +81,6 @@
 /* #define _LARGEFILE_SOURCE 1 */
 
 /*
- * Defined if we have the sched_setscheduler() call
- */
-#define HAVE_SCHED_SETSCHEDULER
-
-/*
- * Add any extra platform-specific defines here.
- */
-#ifndef __linux__
-#define __linux__ 1
-#endif
-
-#ifndef __linux
-#define __linux 1
-#endif
-
-#ifdef __unix__
-#undef __unix__
-#endif
-
-#ifdef __unix
-#undef __unix
-#endif
-
-/*
  * Define if we have <malloc.h> header
  */
 #define HAVE_MALLOC_H
@@ -151,21 +96,6 @@
 #define HAVE_LINUX_LOCAL_SOCKET_NAMESPACE 1
 
 /*
- * Define if we have Linux's inotify in <sys/inotify.h>.
- */
-#define HAVE_INOTIFY 1
-
-/*
- * Define if we have madvise() in <sys/mman.h>
- */
-#define HAVE_MADVISE 1
-
-/*
- * Define if dirent struct has d_type field
- */
-#define HAVE_DIRENT_D_TYPE 1
-
-/*
  * Define if libc includes Android system properties implementation.
  */
 #define HAVE_LIBC_SYSTEM_PROPERTIES 1
@@ -177,16 +107,6 @@
 /* #define HAVE_SYSTEM_PROPERTY_SERVER */
 
 /*
- * What CPU architecture does this platform use?
- */
-#define ARCH_MIPS64 1
-
-/*
- * Define if the size of enums is as short as possible,
- */
-/* #define HAVE_SHORT_ENUMS */
-
-/*
  * sprintf() format string for shared library naming.
  */
 #define OS_SHARED_LIB_FORMAT_STR    "lib%s.so"
@@ -197,11 +117,6 @@
 #define OS_PATH_SEPARATOR '/'
 
 /*
- * Is the filesystem case sensitive?
- */
-#define OS_CASE_SENSITIVE
-
-/*
  * Define if <sys/socket.h> exists.
  */
 #define HAVE_SYS_SOCKET_H 1
@@ -237,16 +152,6 @@
 #define HAVE_SCHED_H 1
 
 /*
- * Define if pread() exists
- */
-#define HAVE_PREAD 1
-
-/*
- * Define if we have st_mtim in struct stat
- */
-#define HAVE_STAT_ST_MTIM 1
-
-/*
  * Define if printf() supports %zd for size_t arguments
  */
 #define HAVE_PRINTF_ZD 1
diff --git a/core/combo/include/arch/linux-x86/AndroidConfig.h b/core/combo/include/arch/linux-x86/AndroidConfig.h
index 2fc768d..3265abd 100644
--- a/core/combo/include/arch/linux-x86/AndroidConfig.h
+++ b/core/combo/include/arch/linux-x86/AndroidConfig.h
@@ -42,27 +42,6 @@
 #define HAVE_PTHREADS
 
 /*
- * Process creation model.  Choose one:
- *
- * HAVE_FORKEXEC - use fork() and exec()
- * HAVE_WIN32_PROC - use CreateProcess()
- */
-#define HAVE_FORKEXEC
-
-/*
- * Memory-mapping model. Choose one:
- *
- * HAVE_POSIX_FILEMAP - use the Posix sys/mmap.h
- * HAVE_WIN32_FILEMAP - use Win32 filemaps
- */
-#define  HAVE_POSIX_FILEMAP
-
-/*
- * Define this if you have <termio.h>
- */
-#define  HAVE_TERMIO_H 1
-
-/*
  * Define this if you have sys/uio.h
  */
 #define  HAVE_SYS_UIO_H 1
@@ -74,16 +53,6 @@
 #define HAVE_SYMLINKS
 
 /*
- * Define this if we have localtime_r().
- */
-#define HAVE_LOCALTIME_R 1
-
-/*
- * Define this if we have gethostbyname_r().
- */
-#define HAVE_GETHOSTBYNAME_R
-
-/*
  * Define this if have clock_gettime() and friends
  */
 #define HAVE_POSIX_CLOCKS
@@ -106,11 +75,6 @@
 #define _FILE_OFFSET_BITS 64
 #define _LARGEFILE_SOURCE 1
 
-/* 
- * Defined if we have the sched_setscheduler() call
- */
-#define HAVE_SCHED_SETSCHEDULER
-
 /*
  * Define if we have <malloc.h> header
  */
@@ -122,16 +86,6 @@
 #define ARCH_X86
 
 /*
- * Define if we have madvise() in <sys/mman.h>
- */
-#define HAVE_MADVISE 1
-
-/*
- * Define if dirent struct has d_type field
- */
-#define HAVE_DIRENT_D_TYPE 1
-
-/*
  * Define if system provides a system property server (should be
  * mutually exclusive with HAVE_LIBC_SYSTEM_PROPERTIES).
  */
@@ -148,11 +102,6 @@
 #define OS_PATH_SEPARATOR '/'
 
 /*
- * Is the filesystem case sensitive?
- */
-#define OS_CASE_SENSITIVE
-
-/*
  * Define if <sys/socket.h> exists.
  */
 #define HAVE_SYS_SOCKET_H 1
@@ -183,16 +132,6 @@
 #define HAVE_SCHED_H 1
 
 /*
- * Define if pread() exists
- */
-#define HAVE_PREAD 1
-
-/*
- * Define if we have st_mtim in struct stat
- */
-#define HAVE_STAT_ST_MTIM 1
-
-/*
  * Define if printf() supports %zd for size_t arguments
  */
 #define HAVE_PRINTF_ZD 1
diff --git a/core/combo/include/arch/target_linux-x86/AndroidConfig.h b/core/combo/include/arch/target_linux-x86/AndroidConfig.h
index 253b204..8af283d 100644
--- a/core/combo/include/arch/target_linux-x86/AndroidConfig.h
+++ b/core/combo/include/arch/target_linux-x86/AndroidConfig.h
@@ -28,27 +28,6 @@
 #define HAVE_PTHREADS
 
 /*
- * Process creation model.  Choose one:
- *
- * HAVE_FORKEXEC - use fork() and exec()
- * HAVE_WIN32_PROC - use CreateProcess()
- */
-#define HAVE_FORKEXEC
-
-/*
- * Memory-mapping model. Choose one:
- *
- * HAVE_POSIX_FILEMAP - use the Posix sys/mmap.h
- * HAVE_WIN32_FILEMAP - use Win32 filemaps
- */
-#define  HAVE_POSIX_FILEMAP 1
-
-/*
- * Define this if you have <termio.h>
- */
-#define  HAVE_TERMIO_H 1
-
-/*
  * Define this if you have sys/uio.h
  */
 #define  HAVE_SYS_UIO_H 1
@@ -86,23 +65,11 @@
 /* #define _LARGEFILE_SOURCE 1 */
 
 /*
- * Defined if we have the sched_setscheduler() call
- */
-#define HAVE_SCHED_SETSCHEDULER
-
-/*
- * Add any extra platform-specific defines here.
- */
-#ifndef __linux__
-#define __linux__
-#endif
-
-/*
  * Define if we have <malloc.h> header
  */
 #define HAVE_MALLOC_H
 
-/* 
+/*
  * Define if we're running on *our* linux on device or emulator.
  */
 #define HAVE_ANDROID_OS 1
@@ -113,21 +80,6 @@
 #define HAVE_LINUX_LOCAL_SOCKET_NAMESPACE 1
 
 /*
- * Define if we have Linux's inotify in <sys/inotify.h>.
- */
-#define HAVE_INOTIFY 1
-
-/*
- * Define if we have madvise() in <sys/mman.h>
- */
-#define HAVE_MADVISE 1
-
-/*
- * Define if dirent struct has d_type field
- */
-#define HAVE_DIRENT_D_TYPE 1
-
-/*
  * Define if libc includes Android system properties implementation.
  */
 #define HAVE_LIBC_SYSTEM_PROPERTIES 1
@@ -148,11 +100,6 @@
 #define OS_PATH_SEPARATOR '/'
 
 /*
- * Is the filesystem case sensitive?
- */
-#define OS_CASE_SENSITIVE
-
-/*
  * Define if <sys/socket.h> exists.
  */
 #define HAVE_SYS_SOCKET_H 1
@@ -188,16 +135,6 @@
 #define HAVE_SCHED_H 1
 
 /*
- * Define if pread() exists
- */
-#define HAVE_PREAD 1
-
-/*
- * Define if we have st_mtim in struct stat
- */
-#define HAVE_STAT_ST_MTIM 1
-
-/*
  * Define if printf() supports %zd for size_t arguments
  */
 #define HAVE_PRINTF_ZD 1
diff --git a/core/combo/include/arch/windows/AndroidConfig.h b/core/combo/include/arch/windows/AndroidConfig.h
index e9964a3..7d714b6 100644
--- a/core/combo/include/arch/windows/AndroidConfig.h
+++ b/core/combo/include/arch/windows/AndroidConfig.h
@@ -63,41 +63,10 @@
  */
 #define HAVE_WIN32_THREADS
 
-/*
- * Process creation model.  Choose one:
- *
- * HAVE_FORKEXEC - use fork() and exec()
- * HAVE_WIN32_PROC - use CreateProcess()
- */
-#ifdef __CYGWIN__
-#  define HAVE_FORKEXEC
-#else
-#  define HAVE_WIN32_PROC
-#endif
-
 /* TODO: replace references to this. */
 #define HAVE_WIN32_IPC
 
 /*
- * Memory-mapping model. Choose one:
- *
- * HAVE_POSIX_FILEMAP - use the Posix sys/mmap.h
- * HAVE_WIN32_FILEMAP - use Win32 filemaps
- */
-#ifdef __CYGWIN__
-#define  HAVE_POSIX_FILEMAP
-#else
-#define  HAVE_WIN32_FILEMAP
-#endif
-
-/*
- * Define this if you have <termio.h>
- */
-#ifdef __CYGWIN__
-#  define  HAVE_TERMIO_H
-#endif
-
-/*
  * Define this if you build against MSVCRT.DLL
  */
 #ifndef __CYGWIN__
diff --git a/core/combo/select.mk b/core/combo/select.mk
index 00c1558..01f9322 100644
--- a/core/combo/select.mk
+++ b/core/combo/select.mk
@@ -33,22 +33,6 @@
 $(combo_var_prefix)AR := $(AR)
 $(combo_var_prefix)STRIP := $(STRIP)
 
-$(combo_var_prefix)BINDER_MINI := 0
-
-$(combo_var_prefix)HAVE_EXCEPTIONS := 0
-$(combo_var_prefix)HAVE_UNIX_FILE_PATH := 1
-$(combo_var_prefix)HAVE_WINDOWS_FILE_PATH := 0
-$(combo_var_prefix)HAVE_RTTI := 1
-$(combo_var_prefix)HAVE_CALL_STACKS := 1
-$(combo_var_prefix)HAVE_64BIT_IO := 1
-$(combo_var_prefix)HAVE_CLOCK_TIMERS := 1
-$(combo_var_prefix)HAVE_PTHREAD_RWLOCK := 1
-$(combo_var_prefix)HAVE_STRNLEN := 1
-$(combo_var_prefix)HAVE_STRERROR_R_STRRET := 1
-$(combo_var_prefix)HAVE_STRLCPY := 0
-$(combo_var_prefix)HAVE_STRLCAT := 0
-$(combo_var_prefix)HAVE_KERNEL_MODULES := 0
-
 $(combo_var_prefix)GLOBAL_CFLAGS := -fno-exceptions -Wno-multichar
 $(combo_var_prefix)RELEASE_CFLAGS := -O2 -g -fno-strict-aliasing
 $(combo_var_prefix)GLOBAL_CPPFLAGS :=
diff --git a/core/config.mk b/core/config.mk
index 91de57c..a651f29 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -541,17 +541,11 @@
 DEX2OAT_TARGET_ARCH := $(TARGET_ARCH)
 DEX2OAT_TARGET_CPU_VARIANT := $(TARGET_CPU_VARIANT)
 DEX2OAT_TARGET_INSTRUCTION_SET_FEATURES := default
-ifneq (,$(filter $(DEX2OAT_TARGET_CPU_VARIANT),cortex-a7 cortex-a15 krait denver))
-  DEX2OAT_TARGET_INSTRUCTION_SET_FEATURES := lpae,div
-endif
 
 ifdef TARGET_2ND_ARCH
 $(TARGET_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_ARCH := $(TARGET_2ND_ARCH)
 $(TARGET_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_CPU_VARIANT := $(TARGET_2ND_CPU_VARIANT)
 $(TARGET_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_INSTRUCTION_SET_FEATURES := default
-ifneq (,$(filter $($(TARGET_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_CPU_VARIANT),cortex-a7 cortex-a15 krait denver))
-  $(TARGET_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_INSTRUCTION_SET_FEATURES := lpae,div
-endif
 endif
 
 # define clang/llvm tools and global flags
diff --git a/core/definitions.mk b/core/definitions.mk
index e455be3..0bbdb6d 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -684,7 +684,7 @@
 # any of those tags.
 # $(1): tag list
 define modules-for-tag-list
-$(sort $(foreach tag,$(1),$(ALL_MODULE_TAGS.$(tag))))
+$(sort $(foreach tag,$(1),$(foreach m,$(ALL_MODULE_NAME_TAGS.$(tag)),$(ALL_MODULES.$(m).INSTALLED))))
 endef
 
 # Same as modules-for-tag-list, but operates on
@@ -884,7 +884,7 @@
 	-Wl,-rpath,\$$ORIGIN/../lib \
 	$(dir $@)/$(notdir $(<:.bc=.o)) \
 	$(RS_PREBUILT_COMPILER_RT) \
-	-o $@ $(TARGET_GLOBAL_LDFLAGS) -L prebuilts/gcc/ \
+	-o $@ $(TARGET_GLOBAL_LDFLAGS) -Wl,--hash-style=sysv -L prebuilts/gcc/ \
 	-L $(TARGET_OUT_INTERMEDIATE_LIBRARIES) $(RS_PREBUILT_LIBPATH) \
 	-lRSSupport -lm -lc
 endef
@@ -1301,26 +1301,13 @@
 ## Commands for running gcc to link a shared library or package
 ###########################################################
 
-#echo >$@.vers "{"; \
-#echo >>$@.vers " global:"; \
-#$(BUILD_SYSTEM)/filter_symbols.sh $(TARGET_NM) "  " ";" $(filter %.o,$^) | sort -u >>$@.vers; \
-#echo >>$@.vers " local:"; \
-#echo >>$@.vers "  *;"; \
-#echo >>$@.vers "};"; \
-
-#	-Wl,--version-script=$@.vers \
-
-# ld just seems to be so finicky with command order that we allow
-# it to be overriden en-masse see combo/linux-arm.make for an example.
-ifneq ($(TARGET_CUSTOM_LD_COMMAND),true)
 define transform-o-to-shared-lib-inner
 $(hide) $(PRIVATE_CXX) \
-	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
-	-Wl,-rpath-link=$(PRIVATE_TARGET_OUT_INTERMEDIATE_LIBRARIES) \
-	-Wl,-rpath,\$$ORIGIN/../lib \
-	-Wl,-shared -Wl,-soname,$(notdir $@) \
-	$(PRIVATE_LDFLAGS) \
+	-nostdlib -Wl,-soname,$(notdir $@) \
+	-Wl,--gc-sections \
+	$(if $(filter true,$(PRIVATE_CLANG)),-shared,-Wl,-shared) \
 	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
+	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \
 	$(PRIVATE_ALL_OBJECTS) \
 	-Wl,--whole-archive \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
@@ -1328,16 +1315,21 @@
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
+	$(if $(filter true,$(NATIVE_COVERAGE)),$(PRIVATE_TARGET_LIBGCOV)) \
+	$(PRIVATE_TARGET_LIBATOMIC) \
+	$(PRIVATE_TARGET_LIBGCC) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
 	-o $@ \
+	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
+	$(PRIVATE_LDFLAGS) \
+	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O)) \
 	$(PRIVATE_LDLIBS)
 endef
-endif
 
 define transform-o-to-shared-lib
 @mkdir -p $(dir $@)
 @echo "target SharedLib: $(PRIVATE_MODULE) ($@)"
-$($(PRIVATE_2ND_ARCH_VAR_PREFIX)transform-o-to-shared-lib-inner)
+$(transform-o-to-shared-lib-inner)
 endef
 
 
@@ -1369,14 +1361,15 @@
 ## Commands for running gcc to link an executable
 ###########################################################
 
-ifneq ($(TARGET_CUSTOM_LD_COMMAND),true)
 define transform-o-to-executable-inner
-$(hide) $(PRIVATE_CXX) \
-	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
+$(hide) $(PRIVATE_CXX) -pie \
+	-nostdlib -Bdynamic \
+	-Wl,-dynamic-linker,$($(PRIVATE_2ND_ARCH_VAR_PREFIX)TARGET_LINKER) \
+	-Wl,--gc-sections \
+	-Wl,-z,nocopyreloc \
 	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
 	-Wl,-rpath-link=$(PRIVATE_TARGET_OUT_INTERMEDIATE_LIBRARIES) \
-	-Wl,-rpath,\$$ORIGIN/../lib \
-	$(PRIVATE_LDFLAGS) \
+	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_DYNAMIC_O)) \
 	$(PRIVATE_ALL_OBJECTS) \
 	-Wl,--whole-archive \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
@@ -1384,35 +1377,59 @@
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
+	$(if $(filter true,$(NATIVE_COVERAGE)),$(PRIVATE_TARGET_LIBGCOV)) \
+	$(PRIVATE_TARGET_LIBATOMIC) \
+	$(PRIVATE_TARGET_LIBGCC) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
 	-o $@ \
+	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
+	$(PRIVATE_LDFLAGS) \
+	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) \
 	$(PRIVATE_LDLIBS)
 endef
-endif
 
 define transform-o-to-executable
 @mkdir -p $(dir $@)
 @echo "target Executable: $(PRIVATE_MODULE) ($@)"
-$($(PRIVATE_2ND_ARCH_VAR_PREFIX)transform-o-to-executable-inner)
+$(transform-o-to-executable-inner)
 endef
 
 
 ###########################################################
-## Commands for running gcc to link a statically linked
-## executable.  In practice, we only use this on arm, so
-## the other platforms don't have the
-## transform-o-to-static-executable defined
+## Commands for linking a static executable. In practice,
+## we only use this on arm, so the other platforms don't
+## have transform-o-to-static-executable defined.
 ###########################################################
 
-ifneq ($(TARGET_CUSTOM_LD_COMMAND),true)
 define transform-o-to-static-executable-inner
+$(hide) $(PRIVATE_CXX) \
+	-nostdlib -Bstatic \
+	-Wl,--gc-sections \
+	-o $@ \
+	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
+	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_STATIC_O)) \
+	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
+	$(PRIVATE_LDFLAGS) \
+	$(PRIVATE_ALL_OBJECTS) \
+	-Wl,--whole-archive \
+	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
+	-Wl,--no-whole-archive \
+	$(call normalize-target-libraries,$(filter-out %libcompiler_rt.a,$(filter-out %libc_nomalloc.a,$(filter-out %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))))) \
+	-Wl,--start-group \
+	$(call normalize-target-libraries,$(filter %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
+	$(call normalize-target-libraries,$(filter %libc_nomalloc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
+	$(PRIVATE_TARGET_LIBATOMIC) \
+	$(if $(filter true,$(NATIVE_COVERAGE)),$(PRIVATE_TARGET_LIBGCOV)) \
+	$(call normalize-target-libraries,$(filter %libcompiler_rt.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
+	$(PRIVATE_TARGET_LIBGCC) \
+	-Wl,--end-group \
+	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O))
 endef
-endif
 
 define transform-o-to-static-executable
 @mkdir -p $(dir $@)
 @echo "target StaticExecutable: $(PRIVATE_MODULE) ($@)"
-$($(PRIVATE_2ND_ARCH_VAR_PREFIX)transform-o-to-static-executable-inner)
+$(transform-o-to-static-executable-inner)
 endef
 
 
diff --git a/core/dex_preopt.mk b/core/dex_preopt.mk
index 72cb9f0..231a04e 100644
--- a/core/dex_preopt.mk
+++ b/core/dex_preopt.mk
@@ -46,25 +46,11 @@
 
 $(foreach b,$(DEXPREOPT_BOOT_JARS_MODULES),$(eval $(call _dexpreopt-boot-jar-remove-classes.dex,$(b))))
 
-# Conditionally include Dalvik support.
-ifeq ($(DALVIK_VM_LIB),libdvm.so)
-include $(BUILD_SYSTEM)/dex_preopt_libdvm.mk
-endif
-
-# Unconditionally include ART support because its used run dex2oat on the host for tests.
 include $(BUILD_SYSTEM)/dex_preopt_libart.mk
 
 # Define dexpreopt-one-file based on current default runtime.
 # $(1): the input .jar or .apk file
 # $(2): the output .odex file
-ifeq ($(DALVIK_VM_LIB),libdvm.so)
-define dexpreopt-one-file
-$(call dexopt-one-file,$(1),$(2))
-endef
-
-DEXPREOPT_ONE_FILE_DEPENDENCY_TOOLS := $(DEXOPT_DEPENDENCY)
-DEXPREOPT_ONE_FILE_DEPENDENCY_BUILT_BOOT_PREOPT := $(DEXPREOPT_BOOT_ODEXS)
-else
 define dexpreopt-one-file
 $(call dex2oat-one-file,$(1),$(2))
 endef
@@ -74,7 +60,6 @@
 ifdef TARGET_2ND_ARCH
 $(TARGET_2ND_ARCH_VAR_PREFIX)DEXPREOPT_ONE_FILE_DEPENDENCY_BUILT_BOOT_PREOPT := $($(TARGET_2ND_ARCH_VAR_PREFIX)DEFAULT_DEX_PREOPT_BUILT_IMAGE_FILENAME)
 endif  # TARGET_2ND_ARCH
-endif  # DALVIK_VM_LIB
 else
 $(warning No DALVIK_VM_LIB, disable dexpreopt.)
 WITH_DEXPREOPT := false
diff --git a/core/dex_preopt_libart.mk b/core/dex_preopt_libart.mk
index b61b180..62ad170 100644
--- a/core/dex_preopt_libart.mk
+++ b/core/dex_preopt_libart.mk
@@ -16,7 +16,13 @@
 DEX2OATD_DEPENDENCY := $(DEX2OAT_DEPENDENCY)
 DEX2OATD_DEPENDENCY += $(DEX2OATD)
 
-PRELOADED_CLASSES := frameworks/base/preloaded-classes
+# Use the first preloaded-classes file in PRODUCT_COPY_FILES.
+PRELOADED_CLASSES := $(call word-colon,1,$(firstword \
+    $(filter %system/etc/preloaded-classes,$(PRODUCT_COPY_FILES))))
+
+# Use the first compiled-classes file in PRODUCT_COPY_FILES.
+COMPILED_CLASSES := $(call word-colon,1,$(firstword \
+    $(filter %system/etc/compiled-classes,$(PRODUCT_COPY_FILES))))
 
 # Default to debug version to help find bugs.
 # Set USE_DEX2OAT_DEBUG to false for only building non-debug versions.
@@ -97,6 +103,7 @@
 	--oat-file=$(2) \
 	--android-root=$(PRODUCT_OUT)/system \
 	--instruction-set=$($(PRIVATE_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_ARCH) \
+	--instruction-set-variant=$($(PRIVATE_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_CPU_VARIANT) \
 	--instruction-set-features=$($(PRIVATE_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_INSTRUCTION_SET_FEATURES) \
 	--include-patch-information --runtime-arg -Xnorelocate --no-include-debug-symbols \
 	$(PRIVATE_DEX_PREOPT_FLAGS)
diff --git a/core/dex_preopt_libart_boot.mk b/core/dex_preopt_libart_boot.mk
index 90a3b5a..826075f 100644
--- a/core/dex_preopt_libart_boot.mk
+++ b/core/dex_preopt_libart_boot.mk
@@ -32,6 +32,17 @@
 $(my_2nd_arch_prefix)DEFAULT_DEX_PREOPT_INSTALLED_IMAGE := $(PRODUCT_OUT)$($(my_2nd_arch_prefix)LIBART_BOOT_IMAGE_FILENAME)
 endif
 
+# Compile boot.oat as position-independent code if WITH_DEXPREOPT_PIC=true
+ifeq (true,$(WITH_DEXPREOPT_PIC))
+  PRODUCT_DEX_PREOPT_BOOT_FLAGS += --compile-pic
+endif
+
+# If we have a compiled-classes file, create a parameter.
+COMPILED_CLASSES_FLAGS :=
+ifneq ($(COMPILED_CLASSES),)
+  COMPILED_CLASSES_FLAGS := --compiled-classes=$(COMPILED_CLASSES)
+endif
+
 # The rule to install boot.art and boot.oat
 $($(my_2nd_arch_prefix)DEFAULT_DEX_PREOPT_INSTALLED_IMAGE) : $($(my_2nd_arch_prefix)DEFAULT_DEX_PREOPT_BUILT_IMAGE_FILENAME) | $(ACP)
 	$(call copy-file-to-target)
@@ -52,6 +63,7 @@
 		--oat-location=$(patsubst %.art,%.oat,$($(PRIVATE_2ND_ARCH_VAR_PREFIX)LIBART_BOOT_IMAGE_FILENAME)) \
 		--image=$@ --base=$(LIBART_IMG_TARGET_BASE_ADDRESS) \
 		--instruction-set=$($(PRIVATE_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_ARCH) \
+		--instruction-set-variant=$($(PRIVATE_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_CPU_VARIANT) \
 		--instruction-set-features=$($(PRIVATE_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_INSTRUCTION_SET_FEATURES) \
 		--android-root=$(PRODUCT_OUT)/system --include-patch-information --runtime-arg -Xnorelocate --no-include-debug-symbols \
-		$(PRODUCT_DEX_PREOPT_BOOT_FLAGS)
+		$(PRODUCT_DEX_PREOPT_BOOT_FLAGS) $(COMPILED_CLASSES_FLAGS)
diff --git a/core/dex_preopt_libdvm.mk b/core/dex_preopt_libdvm.mk
deleted file mode 100644
index 23a54e1e..0000000
--- a/core/dex_preopt_libdvm.mk
+++ /dev/null
@@ -1,76 +0,0 @@
-####################################
-# dexpreopt support for Dalvik
-#
-####################################
-
-DEXOPT := $(HOST_OUT_EXECUTABLES)/dexopt$(HOST_EXECUTABLE_SUFFIX)
-DEXPREOPT := dalvik/tools/dex-preopt
-
-DEXPREOPT_DEXOPT := $(patsubst $(DEXPREOPT_BUILD_DIR)/%,%,$(DEXOPT))
-
-DEXPREOPT_BOOT_ODEXS := $(foreach b,$(DEXPREOPT_BOOT_JARS_MODULES),\
-    $(DEXPREOPT_BOOT_JAR_DIR_FULL_PATH)/$(b).odex)
-
-# If the target is a uniprocessor, then explicitly tell the preoptimizer
-# that fact. (By default, it always optimizes for an SMP target.)
-ifeq ($(TARGET_CPU_SMP),true)
-    DEXPREOPT_UNIPROCESSOR :=
-else
-    DEXPREOPT_UNIPROCESSOR := --uniprocessor
-endif
-
-# By default, do not run rerun dexopt if the tool changes.
-# Comment out the | to force dex2oat to rerun on after all changes.
-DEXOPT_DEPENDENCY := |
-DEXOPT_DEPENDENCY += $(DEXPREOPT) $(DEXOPT)
-
-# $(1): the input .jar or .apk file
-# $(2): the output .odex file
-define dexopt-one-file
-$(hide) rm -f $(2)
-$(hide) mkdir -p $(dir $(2))
-$(hide) $(DEXPREOPT) \
-        --dexopt=$(DEXPREOPT_DEXOPT) \
-        --build-dir=$(DEXPREOPT_BUILD_DIR) \
-        --product-dir=$(DEXPREOPT_PRODUCT_DIR) \
-        --boot-dir=$(DEXPREOPT_BOOT_JAR_DIR) \
-        --boot-jars=$(DEXPREOPT_BOOT_JARS) \
-        $(DEXPREOPT_UNIPROCESSOR) \
-        $(patsubst $(DEXPREOPT_BUILD_DIR)/%,%,$(1)) \
-        $(patsubst $(DEXPREOPT_BUILD_DIR)/%,%,$(2))
-endef
-
-# Special rules for building odex files for boot jars that override java_library.mk rules
-
-# $(1): boot jar module name
-define _dexpreopt-boot-odex
-_dbj_jar := $(DEXPREOPT_BOOT_JAR_DIR_FULL_PATH)/$(1).jar
-_dbj_odex := $(DEXPREOPT_BOOT_JAR_DIR_FULL_PATH)/$(1).odex
-_dbj_src_jar := $(call intermediates-dir-for,JAVA_LIBRARIES,$(1),,COMMON)/javalib.jar
-$$(_dbj_odex): PRIVATE_DBJ_JAR := $$(_dbj_jar)
-$$(_dbj_odex) : $$(_dbj_src_jar) | $(ACP) $(DEXPREOPT) $(DEXOPT)
-	@echo "Dexpreopt Boot Jar: $$@"
-	$(hide) mkdir -p $$(dir $$(PRIVATE_DBJ_JAR)) && $(ACP) -fp $$< $$(PRIVATE_DBJ_JAR)
-	$$(call dexopt-one-file,$$(PRIVATE_DBJ_JAR),$$@)
-
-_dbj_jar :=
-_dbj_odex :=
-_dbj_src_jar :=
-endef
-
-$(foreach b,$(DEXPREOPT_BOOT_JARS_MODULES),$(eval $(call _dexpreopt-boot-odex,$(b))))
-
-# $(1): the rest list of boot jars
-define _build-dexpreopt-boot-jar-dependency-pair
-$(if $(filter 1,$(words $(1)))$(filter 0,$(words $(1))),,\
-	$(eval _bdbjdp_target := $(DEXPREOPT_BOOT_JAR_DIR_FULL_PATH)/$(word 2,$(1)).odex) \
-	$(eval _bdbjdp_dep := $(DEXPREOPT_BOOT_JAR_DIR_FULL_PATH)/$(word 1,$(1)).odex) \
-	$(eval $(call add-dependency,$(_bdbjdp_target),$(_bdbjdp_dep))) \
-	$(eval $(call _build-dexpreopt-boot-jar-dependency-pair,$(wordlist 2,999,$(1)))))
-endef
-
-define _build-dexpreopt-boot-jar-dependency
-$(call _build-dexpreopt-boot-jar-dependency-pair,$(DEXPREOPT_BOOT_JARS_MODULES))
-endef
-
-$(eval $(call _build-dexpreopt-boot-jar-dependency))
diff --git a/core/dex_preopt_odex_install.mk b/core/dex_preopt_odex_install.mk
index 90ae08f..cb38261 100644
--- a/core/dex_preopt_odex_install.mk
+++ b/core/dex_preopt_odex_install.mk
@@ -105,6 +105,12 @@
 LOCAL_DEX_PREOPT_FLAGS := $(PRODUCT_DEX_PREOPT_DEFAULT_FLAGS)
 endif
 endif
+
+# Compile apps with position-independent code if WITH_DEXPREOPT_PIC=true
+ifeq (true,$(WITH_DEXPREOPT_PIC))
+  LOCAL_DEX_PREOPT_FLAGS += --compile-pic
+endif
+
 $(built_odex): PRIVATE_DEX_PREOPT_FLAGS := $(LOCAL_DEX_PREOPT_FLAGS)
 
 # Use pattern rule - we may have multiple installed odex files.
diff --git a/core/droiddoc.mk b/core/droiddoc.mk
index d3e61d5..41f135c 100644
--- a/core/droiddoc.mk
+++ b/core/droiddoc.mk
@@ -154,7 +154,14 @@
 # TODO: not clear if this is used any more
 $(full_target): PRIVATE_LOCAL_PATH := $(LOCAL_PATH)
 
-$(full_target): $(full_src_files) $(droiddoc_templates) $(droiddoc) $(html_dir_files) $(full_java_lib_deps) $(LOCAL_ADDITIONAL_DEPENDENCIES)
+$(full_target): \
+        $(full_src_files) \
+        $(droiddoc_templates) \
+        $(droiddoc) \
+        $(html_dir_files) \
+        $(full_java_lib_deps) \
+        $(LOCAL_MODULE_MAKEFILE) \
+        $(LOCAL_ADDITIONAL_DEPENDENCIES)
 	@echo Docs droiddoc: $(PRIVATE_OUT_DIR)
 	$(hide) mkdir -p $(dir $@)
 	$(call prepare-doc-source-list,$(PRIVATE_SRC_LIST_FILE),$(PRIVATE_JAVA_FILES), \
diff --git a/core/host_dalvik_java_library.mk b/core/host_dalvik_java_library.mk
index 61eb3ff..6583dd7 100644
--- a/core/host_dalvik_java_library.mk
+++ b/core/host_dalvik_java_library.mk
@@ -69,8 +69,14 @@
 $(full_classes_compiled_jar): PRIVATE_JAR_PACKAGES :=
 $(full_classes_compiled_jar): PRIVATE_JAR_EXCLUDE_PACKAGES :=
 $(full_classes_compiled_jar): PRIVATE_RMTYPEDEFS :=
-$(full_classes_compiled_jar): $(java_sources) $(java_resource_sources) $(full_java_lib_deps) \
-        $(jar_manifest_file) $(proto_java_sources_file_stamp) $(LOCAL_ADDITIONAL_DEPENDENCIES)
+$(full_classes_compiled_jar): \
+        $(java_sources) \
+        $(java_resource_sources) \
+        $(full_java_lib_deps) \
+        $(jar_manifest_file) \
+        $(proto_java_sources_file_stamp) \
+        $(LOCAL_MODULE_MAKEFILE) \
+        $(LOCAL_ADDITIONAL_DEPENDENCIES)
 	$(transform-host-java-to-package)
 
 # Run jarjar if necessary, otherwise just copy the file.
diff --git a/core/host_java_library.mk b/core/host_java_library.mk
index 7e0e437..b751c5f 100644
--- a/core/host_java_library.mk
+++ b/core/host_java_library.mk
@@ -79,6 +79,12 @@
 $(full_classes_compiled_jar): PRIVATE_JAR_PACKAGES :=
 $(full_classes_compiled_jar): PRIVATE_JAR_EXCLUDE_PACKAGES :=
 $(full_classes_compiled_jar): PRIVATE_RMTYPEDEFS :=
-$(full_classes_compiled_jar): $(java_sources) $(java_resource_sources) $(full_java_lib_deps) \
-		$(jar_manifest_file) $(proto_java_sources_file_stamp) $(LOCAL_ADDITIONAL_DEPENDENCIES)
+$(full_classes_compiled_jar): \
+        $(java_sources) \
+        $(java_resource_sources) \
+        $(full_java_lib_deps) \
+        $(jar_manifest_file) \
+        $(proto_java_sources_file_stamp) \
+        $(LOCAL_MODULE_MAKEFILE) \
+        $(LOCAL_ADDITIONAL_DEPENDENCIES)
 	$(transform-host-java-to-package)
diff --git a/core/host_shared_library_internal.mk b/core/host_shared_library_internal.mk
index d9769d3..f1b3311 100644
--- a/core/host_shared_library_internal.mk
+++ b/core/host_shared_library_internal.mk
@@ -40,7 +40,11 @@
 
 include $(BUILD_SYSTEM)/binary.mk
 
-$(LOCAL_BUILT_MODULE): $(all_objects) $(all_libraries) $(LOCAL_ADDITIONAL_DEPENDENCIES)
+$(LOCAL_BUILT_MODULE): \
+        $(all_objects) \
+        $(all_libraries) \
+        $(LOCAL_MODULE_MAKEFILE) \
+        $(LOCAL_ADDITIONAL_DEPENDENCIES)
 	$(transform-host-o-to-shared-lib)
 
 endif  # skip_build_from_source
diff --git a/core/host_test_internal.mk b/core/host_test_internal.mk
index 072e5e0..e0070c1 100644
--- a/core/host_test_internal.mk
+++ b/core/host_test_internal.mk
@@ -12,17 +12,4 @@
 LOCAL_CFLAGS += -DGTEST_HAS_STD_STRING -O0 -g
 LOCAL_C_INCLUDES +=  external/gtest/include
 
-my_test_libcxx := true
-ifeq (,$(TARGET_BUILD_APPS))
-ifneq ($(filter $(strip $(LOCAL_CXX_STL)),bionic stlport stlport_static),)
-my_test_libcxx := false
-endif
-endif
-
-ifeq ($(my_test_libcxx),true)
-LOCAL_STATIC_LIBRARIES += libgtest_libc++_host libgtest_main_libc++_host
-else
 LOCAL_STATIC_LIBRARIES += libgtest_host libgtest_main_host
-LOCAL_SHARED_LIBRARIES +=
-endif
-
diff --git a/core/java.mk b/core/java.mk
index 49375a6..98d5138 100644
--- a/core/java.mk
+++ b/core/java.mk
@@ -349,9 +349,16 @@
 $(full_classes_compiled_jar): PRIVATE_JAR_EXCLUDE_PACKAGES := $(LOCAL_JAR_EXCLUDE_PACKAGES)
 $(full_classes_compiled_jar): PRIVATE_RMTYPEDEFS := $(LOCAL_RMTYPEDEFS)
 $(full_classes_compiled_jar): PRIVATE_DONT_DELETE_JAR_META_INF := $(LOCAL_DONT_DELETE_JAR_META_INF)
-$(full_classes_compiled_jar): $(java_sources) $(java_resource_sources) $(full_java_lib_deps) \
-        $(jar_manifest_file) $(layers_file) $(RenderScript_file_stamp) \
-        $(proto_java_sources_file_stamp) $(LOCAL_ADDITIONAL_DEPENDENCIES)
+$(full_classes_compiled_jar): \
+        $(java_sources) \
+        $(java_resource_sources) \
+        $(full_java_lib_deps) \
+        $(jar_manifest_file) \
+        $(layers_file) \
+        $(RenderScript_file_stamp) \
+        $(proto_java_sources_file_stamp) \
+        $(LOCAL_MODULE_MAKEFILE) \
+        $(LOCAL_ADDITIONAL_DEPENDENCIES)
 	$(transform-java-to-classes.jar)
 
 $(full_classes_compiled_jar): PRIVATE_JAVAC_DEBUG_FLAGS := -g
diff --git a/core/main.mk b/core/main.mk
index 4234b30..7f4b217 100644
--- a/core/main.mk
+++ b/core/main.mk
@@ -305,9 +305,18 @@
 is_sdk_build := true
 endif
 
-ADDITIONAL_BUILD_PROPERTIES += dalvik.vm.isa.$(TARGET_ARCH).features=$(DEX2OAT_TARGET_INSTRUCTION_SET_FEATURES)
+# Add build properties for ART. These define system properties used by installd
+# to pass flags to dex2oat.
+ADDITIONAL_BUILD_PROPERTIES += dalvik.vm.isa.$(TARGET_ARCH).variant=$(DEX2OAT_TARGET_CPU_VARIANT)
+ifneq ($(DEX2OAT_TARGET_INSTRUCTION_SET_FEATURES),)
+  ADDITIONAL_BUILD_PROPERTIES += dalvik.vm.isa.$(TARGET_ARCH).features=$(DEX2OAT_TARGET_INSTRUCTION_SET_FEATURES)
+endif
+
 ifdef TARGET_2ND_ARCH
-ADDITIONAL_BUILD_PROPERTIES += dalvik.vm.isa.$(TARGET_2ND_ARCH).features=$($(TARGET_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_INSTRUCTION_SET_FEATURES)
+  ADDITIONAL_BUILD_PROPERTIES += dalvik.vm.isa.$(TARGET_2ND_ARCH).variant=$($(TARGET_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_CPU_VARIANT)
+  ifneq ($($(TARGET_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_INSTRUCTION_SET_FEATURES),)
+    ADDITIONAL_BUILD_PROPERTIES += dalvik.vm.isa.$(TARGET_2ND_ARCH).features=$($(TARGET_2ND_ARCH_VAR_PREFIX)DEX2OAT_TARGET_INSTRUCTION_SET_FEATURES)
+  endif
 endif
 
 ## user/userdebug ##
diff --git a/core/phony_package.mk b/core/phony_package.mk
index b534335..30e198c 100644
--- a/core/phony_package.mk
+++ b/core/phony_package.mk
@@ -7,7 +7,7 @@
 
 include $(BUILD_SYSTEM)/base_rules.mk
 
-$(LOCAL_BUILT_MODULE): $(LOCAL_ADDITIONAL_DEPENDENCIES)
+$(LOCAL_BUILT_MODULE): $(LOCAL_MODULE_MAKEFILE) $(LOCAL_ADDITIONAL_DEPENDENCIES)
 	$(hide) echo "Fake: $@"
 	$(hide) mkdir -p $(dir $@)
 	$(hide) touch $@
diff --git a/core/prebuilt_internal.mk b/core/prebuilt_internal.mk
index 7e1ea4b..2e0d2ef 100644
--- a/core/prebuilt_internal.mk
+++ b/core/prebuilt_internal.mk
@@ -263,6 +263,6 @@
 $(built_module) : $(common_javalib_jar)
 endif # TARGET JAVA_LIBRARIES
 
-$(built_module) : $(LOCAL_ADDITIONAL_DEPENDENCIES)
+$(built_module) : $(LOCAL_MODULE_MAKEFILE) $(LOCAL_ADDITIONAL_DEPENDENCIES)
 
 my_prebuilt_src_file :=
diff --git a/core/shared_library_internal.mk b/core/shared_library_internal.mk
index baedb3b..1fda794 100644
--- a/core/shared_library_internal.mk
+++ b/core/shared_library_internal.mk
@@ -64,9 +64,13 @@
 $(linked_module): PRIVATE_TARGET_CRTBEGIN_SO_O := $(my_target_crtbegin_so_o)
 $(linked_module): PRIVATE_TARGET_CRTEND_SO_O := $(my_target_crtend_so_o)
 
-$(linked_module): $(all_objects) $(all_libraries) \
-                  $(LOCAL_ADDITIONAL_DEPENDENCIES) \
-                  $(my_target_crtbegin_so_o) $(my_target_crtend_so_o)
+$(linked_module): \
+        $(all_objects) \
+        $(all_libraries) \
+        $(my_target_crtbegin_so_o) \
+        $(my_target_crtend_so_o) \
+        $(LOCAL_MODULE_MAKEFILE) \
+        $(LOCAL_ADDITIONAL_DEPENDENCIES)
 	$(transform-o-to-shared-lib)
 
 endif  # skip_build_from_source
diff --git a/core/target_test_internal.mk b/core/target_test_internal.mk
index ed011d1..f8a9f04 100644
--- a/core/target_test_internal.mk
+++ b/core/target_test_internal.mk
@@ -6,25 +6,10 @@
 
 LOCAL_C_INCLUDES += external/gtest/include
 
-my_test_libcxx := true
-ifdef LOCAL_SDK_VERSION
-my_test_libcxx := false
-endif
-ifneq ($(filter $(strip $(LOCAL_CXX_STL)),stlport stlport_static),)
-my_test_libcxx := false
-endif
-
-ifeq ($(my_test_libcxx),true)
-LOCAL_STATIC_LIBRARIES += libgtest_libc++ libgtest_main_libc++
-else
-LOCAL_STATIC_LIBRARIES += libgtest libgtest_main
-
 ifndef LOCAL_SDK_VERSION
-LOCAL_C_INCLUDES += bionic \
-                    bionic/libstdc++/include \
-                    external/stlport/stlport
-LOCAL_SHARED_LIBRARIES += libstlport libstdc++
-endif
+LOCAL_STATIC_LIBRARIES += libgtest libgtest_main
+else
+LOCAL_STATIC_LIBRARIES += libgtest_ndk libgtest_main_ndk
 endif
 
 ifdef LOCAL_MODULE_PATH
diff --git a/envsetup.sh b/envsetup.sh
index 20ae1f0..66f9136 100644
--- a/envsetup.sh
+++ b/envsetup.sh
@@ -968,7 +968,11 @@
 }
 
 function adb_get_product_device() {
-  echo `adb shell getprop ro.product.device | sed s/.$//`
+  local candidate=`adb shell getprop ro.product.device | sed s/.$//`
+  if [ -z $candidate ]; then
+    candidate=`adb shell getprop ro.hardware | sed s/.$//`
+  fi
+  echo $candidate
 }
 
 # returns 0 when process is not traced
@@ -1006,10 +1010,20 @@
 
   local OUT_ROOT="$ROOT/out/target/product/$DEVICE"
   local SYMBOLS_DIR="$OUT_ROOT/symbols"
+  local IS_TAPAS_USER="$(get_build_var TARGET_BUILD_APPS)"
+  local TAPAS_SYMBOLS_DIR=
+
+  if [ $IS_TAPAS_USER ]; then
+    TAPAS_SYMBOLS_DIR=$(get_symbols_directory)
+  fi
 
   if [ ! -d $SYMBOLS_DIR ]; then
-    echo "Error: couldn't find symbols: $SYMBOLS_DIR does not exist or is not a directory."
-    return -3
+    if [ $IS_TAPAS_USER ]; then
+      mkdir -p $SYMBOLS_DIR/system/bin
+    else
+      echo "Error: couldn't find symbols: $SYMBOLS_DIR does not exist or is not a directory."
+      return -3
+    fi
   fi
 
   # let's figure out which executable we are about to debug
@@ -1029,8 +1043,12 @@
   local LOCAL_EXE_PATH=$SYMBOLS_DIR$EXE
 
   if [ ! -f $LOCAL_EXE_PATH ]; then
-    echo "Error: unable to find symbols for executable $EXE: file $LOCAL_EXE_PATH does not exist"
-    return -5
+    if [ $IS_TAPAS_USER ]; then
+      adb pull $EXE $LOCAL_EXE_PATH
+    else
+      echo "Error: unable to find symbols for executable $EXE: file $LOCAL_EXE_PATH does not exist"
+      return -5
+    fi
   fi
 
   local USE64BIT=""
@@ -1039,6 +1057,11 @@
     USE64BIT="64"
   fi
 
+  # and now linker for tapas users...
+  if [ -n "$IS_TAPAS_USER" -a ! -f "$SYMBOLS_DIR/system/bin/linker$USE64BIT" ]; then
+    adb pull /system/bin/linker$USE64BIT $SYMBOLS_DIR/system/bin/linker$USE64BIT
+  fi
+
   local GDB=
   local GDB64=
   local CPU_ABI=`adb shell getprop ro.product.cpu.abilist | sed s/.$//`
@@ -1063,7 +1086,7 @@
   fi
 
   # TODO: check if tracing process is gdbserver and not some random strace...
-  if [ $(adb_get_traced_by $PID) -eq 0 ]; then
+  if [ "$(adb_get_traced_by $PID)" -eq 0 ]; then
     # start gdbserver
     echo "Starting gdbserver..."
     # TODO: check if adb is already listening $PORT
@@ -1077,14 +1100,24 @@
     echo ". done"
   else
     echo "It looks like gdbserver is already attached to $PID (process is traced), trying to connect to it using local port=$PORT"
+    adb forward tcp:$PORT tcp:$PORT
   fi
 
   local OUT_SO_SYMBOLS=$SYMBOLS_DIR/system/lib$USE64BIT
+  local TAPAS_OUT_SO_SYMBOLS=$TAPAS_SYMBOLS_DIR/system/lib$USE64BIT
   local OUT_VENDOR_SO_SYMBOLS=$SYMBOLS_DIR/vendor/lib$USE64BIT
   local ART_CMD=""
 
-  echo >|"$OUT_ROOT/gdbclient.cmds" "set solib-absolute-prefix $SYMBOLS_DIR"
-  echo >>"$OUT_ROOT/gdbclient.cmds" "set solib-search-path $OUT_SO_SYMBOLS:$OUT_SO_SYMBOLS/hw:$OUT_SO_SYMBOLS/ssl/engines:$OUT_SO_SYMBOLS/drm:$OUT_SO_SYMBOLS/egl:$OUT_SO_SYMBOLS/soundfx:$OUT_VENDOR_SO_SYMBOLS:$OUT_VENDOR_SO_SYMBOLS/hw:$OUT_VENDOR_SO_SYMBOLS/egl"
+  local SOLIB_SYSROOT=$SYMBOLS_DIR
+  local SOLIB_SEARCHPATH=$OUT_SO_SYMBOLS:$OUT_SO_SYMBOLS/hw:$OUT_SO_SYMBOLS/ssl/engines:$OUT_SO_SYMBOLS/drm:$OUT_SO_SYMBOLS/egl:$OUT_SO_SYMBOLS/soundfx:$OUT_VENDOR_SO_SYMBOLS:$OUT_VENDOR_SO_SYMBOLS/hw:$OUT_VENDOR_SO_SYMBOLS/egl
+
+  if [ $IS_TAPAS_USER ]; then
+    SOLIB_SYSROOT=$TAPAS_SYMBOLS_DIR:$SOLIB_SYSROOT
+    SOLIB_SEARCHPATH=$TAPAS_OUT_SO_SYMBOLS:$SOLIB_SEARCHPATH
+  fi
+
+  echo >|"$OUT_ROOT/gdbclient.cmds" "set solib-absolute-prefix $SOLIB_SYSROOT"
+  echo >>"$OUT_ROOT/gdbclient.cmds" "set solib-search-path $SOLIB_SEARCHPATH"
   local DALVIK_GDB_SCRIPT=$ROOT/development/scripts/gdb/dalvik.gdb
   if [ -f $DALVIK_GDB_SCRIPT ]; then
     echo >>"$OUT_ROOT/gdbclient.cmds" "source $DALVIK_GDB_SCRIPT"
@@ -1605,9 +1638,17 @@
     local secs=$(($tdiff % 60))
     echo
     if [ $ret -eq 0 ] ; then
-        echo -n -e "#### make completed successfully "
+        if [ $(uname) != "Darwin" ]; then
+            echo -n -e "\e[0;32m#### make completed successfully "
+        else
+            echo -n -e "#### make completed successfully "
+        fi
     else
-        echo -n -e "#### make failed to build some targets "
+        if [ $(uname) != "Darwin" ]; then
+            echo -n -e "\e[0;31m#### make failed to build some targets "
+        else
+            echo -n -e "#### make failed to build some targets "
+        fi
     fi
     if [ $hours -gt 0 ] ; then
         printf "(%02g:%02g:%02g (hh:mm:ss))" $hours $mins $secs
@@ -1616,13 +1657,13 @@
     elif [ $secs -gt 0 ] ; then
         printf "(%s seconds)" $secs
     fi
-    echo -e " ####"
+    if [ $(uname) != "Darwin" ]; then
+        echo -e " ####\e[00m"
+    fi
     echo
     return $ret
 }
 
-
-
 if [ "x$SHELL" != "x/bin/bash" ]; then
     case `ps -o command -p $$` in
         *bash*)
diff --git a/libs/host/CopyFile.c b/libs/host/CopyFile.c
index ca52565..f0c8fe5 100644
--- a/libs/host/CopyFile.c
+++ b/libs/host/CopyFile.c
@@ -68,15 +68,13 @@
  */
 static bool isHiresMtime(const struct stat* pSrcStat)
 {
-#if HAVE_STAT_ST_MTIM
-#if defined(MACOSX_RSRC)
+#if defined(__CYGWIN__) || defined(__MINGW32__)
+  return 0;
+#elif defined(MACOSX_RSRC)
     return pSrcStat->st_mtimespec.tv_nsec > 0;
 #else
     return pSrcStat->st_mtim.tv_nsec > 0;
 #endif
-#else
-    return 0;
-#endif
 }
 
 /*
diff --git a/target/board/generic/device.mk b/target/board/generic/device.mk
index 06a7d8a..e56a4d1 100644
--- a/target/board/generic/device.mk
+++ b/target/board/generic/device.mk
@@ -30,8 +30,3 @@
     frameworks/av/media/libstagefright/data/media_codecs_google_video.xml:system/etc/media_codecs_google_video.xml \
     device/generic/goldfish/camera/media_codecs.xml:system/etc/media_codecs.xml \
     hardware/libhardware_legacy/audio/audio_policy.conf:system/etc/audio_policy.conf
-
-PRODUCT_PACKAGES := \
-    audio.primary.goldfish \
-    power.goldfish \
-    vibrator.goldfish
diff --git a/target/board/generic_arm64/device.mk b/target/board/generic_arm64/device.mk
index 62dfa1b..9647a4e 100644
--- a/target/board/generic_arm64/device.mk
+++ b/target/board/generic_arm64/device.mk
@@ -30,16 +30,6 @@
     frameworks/av/media/libstagefright/data/media_codecs_google_video.xml:system/etc/media_codecs_google_video.xml \
     device/generic/goldfish/camera/media_codecs.xml:system/etc/media_codecs.xml
 
-# The ranchu configuration files are needed to run under qemu-android
-PRODUCT_COPY_FILES += $(call add-to-product-copy-files-if-exists,\
-    device/generic/goldfish/init.ranchu.rc:root/init.ranchu.rc \
-    device/generic/goldfish/fstab.ranchu:root/fstab.ranchu \
-    device/generic/goldfish/ueventd.ranchu.rc:root/ueventd.ranchu.rc)
-
-PRODUCT_PACKAGES := \
-    audio.primary.goldfish \
-    vibrator.goldfish
-
 # Adjust the Dalvik heap to be appropriate for a tablet.
 $(call inherit-product-if-exists, frameworks/base/build/tablet-dalvik-heap.mk)
 $(call inherit-product-if-exists, frameworks/native/build/tablet-dalvik-heap.mk)
diff --git a/target/product/base.mk b/target/product/base.mk
index 9713330..0d052b5 100644
--- a/target/product/base.mk
+++ b/target/product/base.mk
@@ -115,4 +115,13 @@
     wm
 
 
+PRODUCT_COPY_FILES := $(call add-to-product-copy-files-if-exists,\
+    frameworks/base/preloaded-classes:system/etc/preloaded-classes)
+
+# Note: it is acceptable to not have a compiled-classes file. In that case, all boot classpath
+#       classes will be compiled.
+PRODUCT_COPY_FILES += $(call add-to-product-copy-files-if-exists,\
+    frameworks/base/compiled-classes:system/etc/compiled-classes)
+
+
 $(call inherit-product, $(SRC_TARGET_DIR)/product/embedded.mk)
diff --git a/target/product/embedded.mk b/target/product/embedded.mk
index 9f52336..9929616 100644
--- a/target/product/embedded.mk
+++ b/target/product/embedded.mk
@@ -49,7 +49,6 @@
     libpixelflinger \
     libpower \
     libstdc++ \
-    libstlport \
     libsurfaceflinger \
     libsurfaceflinger_ddmconnection \
     libsysutils \
diff --git a/target/product/emulator.mk b/target/product/emulator.mk
index 62099df..295dfac 100644
--- a/target/product/emulator.mk
+++ b/target/product/emulator.mk
@@ -41,11 +41,17 @@
     lights.goldfish \
     gps.goldfish \
     sensors.goldfish \
-    e2fsck
+    e2fsck \
+    audio.primary.goldfish \
+    vibrator.goldfish \
+    power.goldfish
 
 
 PRODUCT_COPY_FILES += \
     device/generic/goldfish/fstab.goldfish:root/fstab.goldfish \
     device/generic/goldfish/init.goldfish.rc:root/init.goldfish.rc \
     device/generic/goldfish/init.goldfish.sh:system/etc/init.goldfish.sh \
-    device/generic/goldfish/ueventd.goldfish.rc:root/ueventd.goldfish.rc
+    device/generic/goldfish/ueventd.goldfish.rc:root/ueventd.goldfish.rc \
+    device/generic/goldfish/init.ranchu.rc:root/init.ranchu.rc \
+    device/generic/goldfish/fstab.ranchu:root/fstab.ranchu \
+    device/generic/goldfish/ueventd.ranchu.rc:root/ueventd.ranchu.rc
diff --git a/tools/atree/files.cpp b/tools/atree/files.cpp
index df3e987..d945f58 100644
--- a/tools/atree/files.cpp
+++ b/tools/atree/files.cpp
@@ -447,14 +447,7 @@
             continue;
         }
         string entry = path_append(path, ent->d_name);
-#ifdef HAVE_DIRENT_D_TYPE
-		bool is_directory = (ent->d_type == DT_DIR);
-#else
-	    // If dirent.d_type is missing, then use stat instead
-		struct stat stat_buf;
-		stat(entry.c_str(), &stat_buf);
-		bool is_directory = S_ISDIR(stat_buf.st_mode);
-#endif
+        bool is_directory = (ent->d_type == DT_DIR);
         add_more(entry, is_directory, rec, more);
         if (is_directory) {
             dirs.push_back(entry);
diff --git a/tools/atree/fs.cpp b/tools/atree/fs.cpp
index 9468cfd..6cd080e 100644
--- a/tools/atree/fs.cpp
+++ b/tools/atree/fs.cpp
@@ -63,14 +63,7 @@
             string full = path;
             full += '/';
             full += ent->d_name;
-#ifdef HAVE_DIRENT_D_TYPE
             bool is_directory = (ent->d_type == DT_DIR);
-#else
-            // If dirent.d_type is missing, then use stat instead
-            struct stat stat_buf;
-            stat(full.c_str(), &stat_buf);
-            bool is_directory = S_ISDIR(stat_buf.st_mode);
-#endif
             if (is_directory) {
                 dirs.push_back(full);
             } else {
diff --git a/tools/releasetools/sign_target_files_apks b/tools/releasetools/sign_target_files_apks
index 075c925..1461b55 100755
--- a/tools/releasetools/sign_target_files_apks
+++ b/tools/releasetools/sign_target_files_apks
@@ -179,7 +179,8 @@
       ReplaceVerityPrivateKey(input_tf_zip, output_tf_zip, misc_info, OPTIONS.replace_verity_private_key[1])
     elif (info.filename == "BOOT/RAMDISK/verity_key" and
         OPTIONS.replace_verity_public_key):
-      ReplaceVerityPublicKey(output_tf_zip, OPTIONS.replace_verity_public_key[1])
+      new_data = ReplaceVerityPublicKey(output_tf_zip, OPTIONS.replace_verity_public_key[1])
+      write_to_temp(info.filename, info.external_attr, new_data)
     elif (info.filename.startswith("BOOT/") or
         info.filename.startswith("RECOVERY/") or
         info.filename.startswith("META/") or
@@ -391,7 +392,9 @@
 def ReplaceVerityPublicKey(targetfile_zip, key_path):
   print "Replacing verity public key with %s" % key_path
   with open(key_path) as f:
-    common.ZipWriteStr(targetfile_zip, "BOOT/RAMDISK/verity_key", f.read())
+    data = f.read()
+  common.ZipWriteStr(targetfile_zip, "BOOT/RAMDISK/verity_key", data)
+  return data
 
 def ReplaceVerityPrivateKey(targetfile_input_zip, targetfile_output_zip, misc_info, key_path):
   print "Replacing verity private key with %s" % key_path
@@ -399,6 +402,7 @@
   original_misc_info = targetfile_input_zip.read("META/misc_info.txt")
   new_misc_info = original_misc_info.replace(current_key, key_path)
   common.ZipWriteStr(targetfile_output_zip, "META/misc_info.txt", new_misc_info)
+  misc_info["verity_key"] = key_path
 
 def BuildKeyMap(misc_info, key_mapping_options):
   for s, d in key_mapping_options:
diff --git a/tools/zipalign/ZipEntry.cpp b/tools/zipalign/ZipEntry.cpp
index d4d366d..b2270cb 100644
--- a/tools/zipalign/ZipEntry.cpp
+++ b/tools/zipalign/ZipEntry.cpp
@@ -356,7 +356,7 @@
  */
 void ZipEntry::setModWhen(time_t when)
 {
-#ifdef HAVE_LOCALTIME_R
+#if !defined(_WIN32)
     struct tm tmResult;
 #endif
     time_t even;
@@ -368,7 +368,7 @@
     even = (time_t)(((unsigned long)(when) + 1) & (~1));
 
     /* expand */
-#ifdef HAVE_LOCALTIME_R
+#if !defined(_WIN32)
     ptm = localtime_r(&even, &tmResult);
 #else
     ptm = localtime(&even);