###########################################################
## Clear out values of all variables used by rule templates.
###########################################################

# '',true
LOCAL_32_BIT_ONLY:=
LOCAL_AAPT_FLAGS:=
LOCAL_AAPT_INCLUDE_ALL_RESOURCES:=
LOCAL_ADDITIONAL_CERTIFICATES:=
LOCAL_ADDITIONAL_DEPENDENCIES:=
LOCAL_ADDITIONAL_HTML_DIR:=
LOCAL_ADDITIONAL_JAVA_DIR:=
LOCAL_AIDL_INCLUDES:=
LOCAL_ALLOW_UNDEFINED_SYMBOLS:=
LOCAL_APK_LIBRARIES:=
LOCAL_ARM_MODE:=
LOCAL_ASFLAGS:=
LOCAL_ASSET_DIR:=
LOCAL_BUILT_MODULE:=
LOCAL_BUILT_MODULE_STEM:=
LOCAL_CC:=
LOCAL_CERTIFICATE:=
LOCAL_CFLAGS:=
LOCAL_CHECKED_MODULE:=
LOCAL_C_INCLUDES:=
LOCAL_CLANG:=
LOCAL_CLANG_ASFLAGS:=
LOCAL_CLANG_CFLAGS:=
LOCAL_CLANG_CONLYFLAGS:=
LOCAL_CLANG_CPPFLAGS:=
LOCAL_CLANG_LDFLAGS:=
LOCAL_CLASSPATH:=
LOCAL_COMPATIBILITY_SUITE:=
LOCAL_COMPATIBILITY_SUPPORT_FILES:=
LOCAL_CONLYFLAGS:=
LOCAL_COPY_HEADERS:=
LOCAL_COPY_HEADERS_TO:=
LOCAL_COPY_TO_INTERMEDIATE_LIBRARIES:=
LOCAL_CPP_EXTENSION:=
LOCAL_CPPFLAGS:=
LOCAL_CPP_STD:=
LOCAL_C_STD:=
LOCAL_CTS_TEST_PACKAGE:=
LOCAL_CTS_TEST_RUNNER:=
LOCAL_CXX:=
LOCAL_CXX_STL := default
LOCAL_DATA_BINDING:=
LOCAL_DEX_PREOPT_APP_IMAGE:=
LOCAL_DEX_PREOPT_FLAGS:=
LOCAL_DEX_PREOPT_GENERATE_PROFILE:=
LOCAL_DEX_PREOPT_IMAGE_LOCATION:=
LOCAL_DEX_PREOPT_PROFILE_CLASS_LISTING:=
LOCAL_DEX_PREOPT:= # '',true,false,nostripping
LOCAL_DONT_CHECK_MODULE:=
# Don't delete the META_INF dir when merging static Java libraries.
LOCAL_DONT_DELETE_JAR_META_INF:=
LOCAL_DPI_FILE_STEM:=
LOCAL_DPI_VARIANTS:=
LOCAL_DROIDDOC_ASSET_DIR:=
LOCAL_DROIDDOC_CUSTOM_ASSET_DIR:=
LOCAL_DROIDDOC_CUSTOM_TEMPLATE_DIR:=
LOCAL_DROIDDOC_HTML_DIR:=
LOCAL_DROIDDOC_OPTIONS:=
LOCAL_DROIDDOC_SOURCE_PATH:=
LOCAL_DROIDDOC_STUB_OUT_DIR:=
LOCAL_DROIDDOC_TEMPLATE_DIR:=
LOCAL_DROIDDOC_USE_STANDARD_DOCLET:=
LOCAL_DX_FLAGS:=
LOCAL_EMMA_COVERAGE_FILTER:=
LOCAL_EMMA_INSTRUMENT:=
LOCAL_ERROR_PRONE_FLAGS:=
LOCAL_EXPORT_CFLAGS:=
LOCAL_EXPORT_C_INCLUDE_DEPS:=
LOCAL_EXPORT_C_INCLUDE_DIRS:=
LOCAL_EXPORT_HEADER_LIBRARY_HEADERS:=
LOCAL_EXPORT_PACKAGE_RESOURCES:=
LOCAL_EXPORT_SHARED_LIBRARY_HEADERS:=
LOCAL_EXPORT_STATIC_LIBRARY_HEADERS:=
LOCAL_EXTRACT_APK:=
LOCAL_EXTRACT_DPI_APK:=
LOCAL_FDO_SUPPORT:=
LOCAL_FINDBUGS_FLAGS:=
LOCAL_FORCE_STATIC_EXECUTABLE:=
LOCAL_FULL_LIBS_MANIFEST_FILES:=
LOCAL_FULL_MANIFEST_FILE:=
LOCAL_GCNO_FILES:=
LOCAL_GENERATED_SOURCES:=
# Group static libraries with "-Wl,--start-group" and "-Wl,--end-group" when linking.
LOCAL_GROUP_STATIC_LIBRARIES:=
LOCAL_GTEST:=true
LOCAL_HAL_STATIC_LIBRARIES:=
LOCAL_HEADER_LIBRARIES:=
LOCAL_INIT_RC:=
LOCAL_INSTALLED_MODULE:=
LOCAL_INSTALLED_MODULE_STEM:=
LOCAL_INSTRUMENTATION_FOR:=
LOCAL_INTERMEDIATE_SOURCE_DIR:=
LOCAL_INTERMEDIATE_SOURCES:=
LOCAL_INTERMEDIATE_TARGETS:=
LOCAL_IS_HOST_MODULE:=
LOCAL_IS_RUNTIME_RESOURCE_OVERLAY:=
LOCAL_JACK_CLASSPATH:=
LOCAL_JACK_COVERAGE_EXCLUDE_FILTER:=
LOCAL_JACK_COVERAGE_INCLUDE_FILTER:=
# '' (ie disabled), disabled, full, incremental, javac_frontend
LOCAL_JACK_ENABLED:=$(DEFAULT_JACK_ENABLED)
LOCAL_JACK_FLAGS:=
LOCAL_JACK_PLUGIN:=
LOCAL_JACK_PLUGIN_PATH:=
LOCAL_JACK_PROGUARD_FLAGS:=
LOCAL_JAR_EXCLUDE_FILES:=
LOCAL_JAR_EXCLUDE_PACKAGES:=
LOCAL_JARJAR_RULES:=
LOCAL_JAR_MANIFEST:=
LOCAL_JAR_PACKAGES:=
LOCAL_JAVACFLAGS:=
LOCAL_JAVA_LANGUAGE_VERSION:=
LOCAL_JAVA_LAYERS_FILE:=
LOCAL_JAVA_LIBRARIES:=
LOCAL_JAVA_RESOURCE_DIRS:=
LOCAL_JAVA_RESOURCE_FILES:=
LOCAL_JNI_SHARED_LIBRARIES:=
LOCAL_JNI_SHARED_LIBRARIES_ABI:=
LOCAL_LDFLAGS:=
LOCAL_LDLIBS:=
LOCAL_LOGTAGS_FILES:=
LOCAL_MANIFEST_FILE:=
LOCAL_MANIFEST_INSTRUMENTATION_FOR:=
LOCAL_MANIFEST_PACKAGE_NAME:=
LOCAL_MIN_SDK_VERSION:=
LOCAL_MODULE:=
LOCAL_MODULE_CLASS:=
LOCAL_MODULE_HOST_ARCH:=
LOCAL_MODULE_HOST_ARCH_WARN:=
LOCAL_MODULE_HOST_CROSS_ARCH:=
LOCAL_MODULE_HOST_CROSS_ARCH_WARN:=
LOCAL_MODULE_HOST_OS:=
LOCAL_MODULE_OWNER:=
LOCAL_MODULE_PATH:=
LOCAL_MODULE_RELATIVE_PATH :=
LOCAL_MODULE_STEM:=
LOCAL_MODULE_SUFFIX:=
LOCAL_MODULE_SYMLINKS:=
LOCAL_MODULE_TAGS:=
LOCAL_MODULE_TARGET_ARCH:=
LOCAL_MODULE_TARGET_ARCH_WARN:=
LOCAL_MODULE_UNSUPPORTED_HOST_ARCH:=
LOCAL_MODULE_UNSUPPORTED_HOST_ARCH_WARN:=
LOCAL_MODULE_UNSUPPORTED_HOST_CROSS_ARCH:=
LOCAL_MODULE_UNSUPPORTED_HOST_CROSS_ARCH_WARN:=
LOCAL_MODULE_UNSUPPORTED_TARGET_ARCH:=
LOCAL_MODULE_UNSUPPORTED_TARGET_ARCH_WARN:=
LOCAL_MULTILIB:=
LOCAL_NDK_STL_VARIANT:=
LOCAL_NDK_VERSION:=current
LOCAL_NO_CRT:=
LOCAL_NO_DEFAULT_COMPILER_FLAGS:=
LOCAL_NO_FPIE :=
LOCAL_NO_LIBCOMPILER_RT:=
LOCAL_NO_LIBGCC:=
LOCAL_NO_NOTICE_FILE:=
LOCAL_NO_PIC:=
LOCAL_NOSANITIZE:=
LOCAL_NO_STANDARD_LIBRARIES:=
LOCAL_NO_STATIC_ANALYZER:=
LOCAL_NOTICE_FILE:=
LOCAL_ODM_MODULE:=
LOCAL_OEM_MODULE:=
LOCAL_OVERRIDES_PACKAGES:=
LOCAL_PACKAGE_NAME:=
LOCAL_PACKAGE_SPLITS:=
LOCAL_PACK_MODULE_RELOCATIONS:=
LOCAL_PICKUP_FILES:=
LOCAL_POST_INSTALL_CMD:=
LOCAL_POST_LINK_CMD:=
LOCAL_PREBUILT_COVERAGE_ARCHIVE:=
LOCAL_PREBUILT_EXECUTABLES:=
LOCAL_PREBUILT_JAVA_LIBRARIES:=
LOCAL_PREBUILT_JNI_LIBS:=
LOCAL_PREBUILT_LIBS:=
LOCAL_PREBUILT_MODULE_FILE:=
LOCAL_PREBUILT_OBJ_FILES:=
LOCAL_PREBUILT_STATIC_JAVA_LIBRARIES:=
LOCAL_PREBUILT_STRIP_COMMENTS:=
LOCAL_PRIVILEGED_MODULE:=
# '',full,custom,nosystem,disabled,obfuscation,optimization
LOCAL_PROGUARD_ENABLED:=
LOCAL_PROGUARD_FLAG_FILES:=
LOCAL_PROGUARD_FLAGS:=
LOCAL_PROPRIETARY_MODULE:=
LOCAL_PROTOC_FLAGS:=
# lite(default),micro,nano,stream,full,nanopb-c,nanopb-c-enable_malloc
LOCAL_PROTOC_OPTIMIZE_TYPE:=
LOCAL_PROTO_JAVA_OUTPUT_PARAMS:=
LOCAL_RECORDED_MODULE_TYPE:=
LOCAL_RENDERSCRIPT_CC:=
LOCAL_RENDERSCRIPT_COMPATIBILITY:=
LOCAL_RENDERSCRIPT_FLAGS:=
LOCAL_RENDERSCRIPT_INCLUDES:=
LOCAL_RENDERSCRIPT_INCLUDES_OVERRIDE:=
LOCAL_RENDERSCRIPT_TARGET_API:=
# Used to replace the installed file of a presigned prebuilt apk in PDK fusion build,
# to avoid installing the presigned apks with classes.dex unstripped.
LOCAL_REPLACE_PREBUILT_APK_INSTALLED:=
LOCAL_REQUIRED_MODULES:=
LOCAL_RES_LIBRARIES:=
LOCAL_RESOURCE_DIR:=
LOCAL_RMTYPEDEFS:=
LOCAL_RRO_THEME:=
LOCAL_RTTI_FLAG:=
LOCAL_SANITIZE:=
LOCAL_SANITIZE_DIAG:=
LOCAL_SANITIZE_RECOVER:=
LOCAL_SDK_RES_VERSION:=
LOCAL_SDK_VERSION:=
LOCAL_SHARED_ANDROID_LIBRARIES:=
LOCAL_SHARED_LIBRARIES:=
# '',true
LOCAL_SOURCE_FILES_ALL_GENERATED:=
LOCAL_SRC_FILES:=
LOCAL_SRC_FILES_EXCLUDE:=
LOCAL_STATIC_ANDROID_LIBRARIES:=
LOCAL_STATIC_JAVA_AAR_LIBRARIES:=
LOCAL_STATIC_JAVA_LIBRARIES:=
LOCAL_STATIC_LIBRARIES:=
LOCAL_STRIP_MODULE:=
LOCAL_SYSTEM_SHARED_LIBRARIES:=none
LOCAL_TEST_DATA:=
LOCAL_TEST_MODULE_TO_PROGUARD_WITH:=
LOCAL_TIDY:=
LOCAL_TIDY_CHECKS:=
LOCAL_TIDY_FLAGS:=
LOCAL_UNINSTALLABLE_MODULE:=
LOCAL_UNSTRIPPED_PATH:=
LOCAL_USE_AAPT2:=$(USE_AAPT2)
LOCAL_USE_VNDK:=
LOCAL_VENDOR_MODULE:=
LOCAL_VTSC_FLAGS:=
LOCAL_VTS_INCLUDES:=
LOCAL_VTS_MODE:=
LOCAL_WARNINGS_ENABLE:=
LOCAL_WHOLE_STATIC_LIBRARIES:=
LOCAL_YACCFLAGS:=
OVERRIDE_BUILT_MODULE_PATH:=

# arch specific variables
LOCAL_ASFLAGS_$(TARGET_ARCH):=
LOCAL_CFLAGS_$(TARGET_ARCH):=
LOCAL_C_INCLUDES_$(TARGET_ARCH):=
LOCAL_CLANG_ASFLAGS_$(TARGET_ARCH):=
LOCAL_CLANG_CFLAGS_$(TARGET_ARCH):=
LOCAL_CLANG_CPPFLAGS_$(TARGET_ARCH):=
LOCAL_CLANG_LDFLAGS_$(TARGET_ARCH):=
LOCAL_CLANG_$(TARGET_ARCH):=
LOCAL_CPPFLAGS_$(TARGET_ARCH):=
LOCAL_GENERATED_SOURCES_$(TARGET_ARCH):=
LOCAL_HEADER_LIBRARIES_$(TARGET_ARCH):=
LOCAL_LDFLAGS_$(TARGET_ARCH):=
LOCAL_PACK_MODULE_RELOCATIONS_$(TARGET_ARCH):=
LOCAL_PREBUILT_JNI_LIBS_$(TARGET_ARCH):=
LOCAL_REQUIRED_MODULES_$(TARGET_ARCH):=
LOCAL_SHARED_LIBRARIES_$(TARGET_ARCH):=
LOCAL_SRC_FILES_EXCLUDE_$(TARGET_ARCH):=
LOCAL_SRC_FILES_$(TARGET_ARCH):=
LOCAL_STATIC_LIBRARIES_$(TARGET_ARCH):=
LOCAL_STRIP_MODULE_$(TARGET_ARCH):=
LOCAL_WHOLE_STATIC_LIBRARIES_$(TARGET_ARCH):=
ifdef TARGET_2ND_ARCH
LOCAL_ASFLAGS_$(TARGET_2ND_ARCH):=
LOCAL_CFLAGS_$(TARGET_2ND_ARCH):=
LOCAL_C_INCLUDES_$(TARGET_2ND_ARCH):=
LOCAL_CLANG_ASFLAGS_$(TARGET_2ND_ARCH):=
LOCAL_CLANG_CFLAGS_$(TARGET_2ND_ARCH):=
LOCAL_CLANG_CPPFLAGS_$(TARGET_2ND_ARCH):=
LOCAL_CLANG_LDFLAGS_$(TARGET_2ND_ARCH):=
LOCAL_CLANG_$(TARGET_2ND_ARCH):=
LOCAL_CPPFLAGS_$(TARGET_2ND_ARCH):=
LOCAL_GENERATED_SOURCES_$(TARGET_2ND_ARCH):=
LOCAL_HEADER_LIBRARIES_$(TARGET_2ND_ARCH):=
LOCAL_LDFLAGS_$(TARGET_2ND_ARCH):=
LOCAL_PACK_MODULE_RELOCATIONS_$(TARGET_2ND_ARCH):=
LOCAL_PREBUILT_JNI_LIBS_$(TARGET_2ND_ARCH):=
LOCAL_REQUIRED_MODULES_$(TARGET_2ND_ARCH):=
LOCAL_SHARED_LIBRARIES_$(TARGET_2ND_ARCH):=
LOCAL_SRC_FILES_EXCLUDE_$(TARGET_2ND_ARCH):=
LOCAL_SRC_FILES_$(TARGET_2ND_ARCH):=
LOCAL_STATIC_LIBRARIES_$(TARGET_2ND_ARCH):=
LOCAL_STRIP_MODULE_$(TARGET_2ND_ARCH):=
LOCAL_WHOLE_STATIC_LIBRARIES_$(TARGET_2ND_ARCH):=
endif
LOCAL_ASFLAGS_$(HOST_ARCH):=
LOCAL_CFLAGS_$(HOST_ARCH):=
LOCAL_C_INCLUDES_$(HOST_ARCH):=
LOCAL_CLANG_ASFLAGS_$(HOST_ARCH):=
LOCAL_CLANG_CFLAGS_$(HOST_ARCH):=
LOCAL_CLANG_CPPFLAGS_$(HOST_ARCH):=
LOCAL_CLANG_$(HOST_ARCH):=
LOCAL_CLANG_LDFLAGS_$(HOST_ARCH):=
LOCAL_CPPFLAGS_$(HOST_ARCH):=
LOCAL_GENERATED_SOURCES_$(HOST_ARCH):=
LOCAL_HEADER_LIBRARIES_$(HOST_ARCH):=
LOCAL_LDFLAGS_$(HOST_ARCH):=
LOCAL_REQUIRED_MODULES_$(HOST_ARCH):=
LOCAL_SHARED_LIBRARIES_$(HOST_ARCH):=
LOCAL_SRC_FILES_EXCLUDE_$(HOST_ARCH):=
LOCAL_SRC_FILES_$(HOST_ARCH):=
LOCAL_STATIC_LIBRARIES_$(HOST_ARCH):=
LOCAL_WHOLE_STATIC_LIBRARIES_$(HOST_ARCH):=
ifdef HOST_2ND_ARCH
LOCAL_ASFLAGS_$(HOST_2ND_ARCH):=
LOCAL_CFLAGS_$(HOST_2ND_ARCH):=
LOCAL_C_INCLUDES_$(HOST_2ND_ARCH):=
LOCAL_CLANG_ASFLAGS_$(HOST_2ND_ARCH):=
LOCAL_CLANG_CFLAGS_$(HOST_2ND_ARCH):=
LOCAL_CLANG_CPPFLAGS_$(HOST_2ND_ARCH):=
LOCAL_CLANG_$(HOST_2ND_ARCH):=
LOCAL_CLANG_LDFLAGS_$(HOST_2ND_ARCH):=
LOCAL_CPPFLAGS_$(HOST_2ND_ARCH):=
LOCAL_GENERATED_SOURCES_$(HOST_2ND_ARCH):=
LOCAL_HEADER_LIBRARIES_$(HOST_2ND_ARCH):=
LOCAL_LDFLAGS_$(HOST_2ND_ARCH):=
LOCAL_REQUIRED_MODULES_$(HOST_2ND_ARCH):=
LOCAL_SHARED_LIBRARIES_$(HOST_2ND_ARCH):=
LOCAL_SRC_FILES_EXCLUDE_$(HOST_2ND_ARCH):=
LOCAL_SRC_FILES_$(HOST_2ND_ARCH):=
LOCAL_STATIC_LIBRARIES_$(HOST_2ND_ARCH):=
LOCAL_WHOLE_STATIC_LIBRARIES_$(HOST_2ND_ARCH):=
endif

LOCAL_ASFLAGS_$(HOST_OS):=
LOCAL_CFLAGS_$(HOST_OS):=
LOCAL_C_INCLUDES_$(HOST_OS):=
LOCAL_CPPFLAGS_$(HOST_OS):=
LOCAL_GENERATED_SOURCES_$(HOST_OS):=
LOCAL_HEADER_LIBRARIES_$(HOST_OS):=
LOCAL_LDFLAGS_$(HOST_OS):=
LOCAL_LDLIBS_$(HOST_OS):=
LOCAL_REQUIRED_MODULES_$(HOST_OS):=
LOCAL_SHARED_LIBRARIES_$(HOST_OS):=
LOCAL_SRC_FILES_$(HOST_OS):=
LOCAL_STATIC_LIBRARIES_$(HOST_OS):=

ifdef HOST_CROSS_OS
LOCAL_ASFLAGS_$(HOST_CROSS_OS):=
LOCAL_CFLAGS_$(HOST_CROSS_OS):=
LOCAL_C_INCLUDES_$(HOST_CROSS_OS):=
LOCAL_CPPFLAGS_$(HOST_CROSS_OS):=
LOCAL_GENERATED_SOURCES_$(HOST_CROSS_OS):=
LOCAL_HEADER_LIBRARIES_$(HOST_CROSS_OS):=
LOCAL_LDFLAGS_$(HOST_CROSS_OS):=
LOCAL_LDLIBS_$(HOST_CROSS_OS):=
LOCAL_REQUIRED_MODULES_$(HOST_CROSS_OS):=
LOCAL_SHARED_LIBRARIES_$(HOST_CROSS_OS):=
LOCAL_SRC_FILES_$(HOST_CROSS_OS):=
LOCAL_STATIC_LIBRARIES_$(HOST_CROSS_OS):=
endif

LOCAL_SRC_FILES_$(HOST_OS)_$(HOST_ARCH):=
ifdef HOST_2ND_ARCH
LOCAL_SRC_FILES_$(HOST_OS)_$(HOST_2ND_ARCH):=
endif
ifdef HOST_CROSS_OS
LOCAL_SRC_FILES_$(HOST_CROSS_OS)_$(HOST_CROSS_ARCH):=
ifdef HOST_CROSS_2ND_ARCH
LOCAL_SRC_FILES_$(HOST_CROSS_OS)_$(HOST_CROSS_2ND_ARCH):=
endif
endif

LOCAL_ASFLAGS_32:=
LOCAL_ASFLAGS_64:=
LOCAL_CFLAGS_32:=
LOCAL_CFLAGS_64:=
LOCAL_C_INCLUDES_32:=
LOCAL_C_INCLUDES_64:=
LOCAL_CLANG_32:=
LOCAL_CLANG_64:=
LOCAL_CLANG_ASFLAGS_32:=
LOCAL_CLANG_ASFLAGS_64:=
LOCAL_CLANG_CFLAGS_32:=
LOCAL_CLANG_CFLAGS_64:=
LOCAL_CLANG_CPPFLAGS_32:=
LOCAL_CLANG_CPPFLAGS_64:=
LOCAL_CLANG_LDFLAGS_32:=
LOCAL_CLANG_LDFLAGS_64:=
LOCAL_CPPFLAGS_32:=
LOCAL_CPPFLAGS_64:=
LOCAL_GENERATED_SOURCES_32:=
LOCAL_GENERATED_SOURCES_64:=
LOCAL_HEADER_LIBRARIES_32:=
LOCAL_HEADER_LIBRARIES_64:=
LOCAL_INIT_RC_32:=
LOCAL_INIT_RC_64:=
LOCAL_LDFLAGS_32:=
LOCAL_LDFLAGS_64:=
LOCAL_MODULE_PATH_32:=
LOCAL_MODULE_PATH_64:=
LOCAL_MODULE_STEM_32:=
LOCAL_MODULE_STEM_64:=
LOCAL_MODULE_SYMLINKS_32:=
LOCAL_MODULE_SYMLINKS_64:=
LOCAL_SHARED_LIBRARIES_32:=
LOCAL_SHARED_LIBRARIES_64:=
LOCAL_SRC_FILES_32:=
LOCAL_SRC_FILES_64:=
LOCAL_SRC_FILES_EXCLUDE_32:=
LOCAL_SRC_FILES_EXCLUDE_64:=
LOCAL_STATIC_LIBRARIES_32:=
LOCAL_STATIC_LIBRARIES_64:=
LOCAL_WHOLE_STATIC_LIBRARIES_32:=
LOCAL_WHOLE_STATIC_LIBRARIES_64:=

# Aux specific variables
LOCAL_AUX_ARCH :=
LOCAL_AUX_CPU :=
LOCAL_AUX_OS :=
LOCAL_AUX_OS_VARIANT :=
LOCAL_AUX_SUBARCH :=
LOCAL_AUX_TOOLCHAIN :=
LOCAL_CUSTOM_BUILD_STEP_INPUT:=
LOCAL_CUSTOM_BUILD_STEP_OUTPUT:=
LOCAL_IS_AUX_MODULE :=

# Trim MAKEFILE_LIST so that $(call my-dir) doesn't need to
# iterate over thousands of entries every time.
# Leave the current makefile to make sure we don't break anything
# that expects to be able to find the name of the current makefile.
MAKEFILE_LIST := $(lastword $(MAKEFILE_LIST))