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#
# Copyright (C) 2011 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
ifndef ART_ANDROID_COMMON_BUILD_MK
ART_ANDROID_COMMON_BUILD_MK = true
include art/build/Android.common.mk
include art/build/Android.common_utils.mk
# These can be overridden via the environment or by editing to
# enable/disable certain build configuration.
#
# For example, to disable everything but the host debug build you use:
#
# (export ART_BUILD_TARGET_NDEBUG=false && export ART_BUILD_TARGET_DEBUG=false && export ART_BUILD_HOST_NDEBUG=false && ...)
#
# Beware that tests may use the non-debug build for performance, notable 055-enum-performance
#
ART_BUILD_TARGET_NDEBUG ?= true
ART_BUILD_TARGET_DEBUG ?= true
ART_BUILD_HOST_NDEBUG ?= true
ART_BUILD_HOST_DEBUG ?= true
ifeq ($(ART_BUILD_TARGET_NDEBUG),false)
$(info Disabling ART_BUILD_TARGET_NDEBUG)
endif
ifeq ($(ART_BUILD_TARGET_DEBUG),false)
$(info Disabling ART_BUILD_TARGET_DEBUG)
endif
ifeq ($(ART_BUILD_HOST_NDEBUG),false)
$(info Disabling ART_BUILD_HOST_NDEBUG)
endif
ifeq ($(ART_BUILD_HOST_DEBUG),false)
$(info Disabling ART_BUILD_HOST_DEBUG)
endif
#
# Used to enable smart mode
#
ART_SMALL_MODE := false
ifneq ($(wildcard art/SMALL_ART),)
$(info Enabling ART_SMALL_MODE because of existence of art/SMALL_ART)
ART_SMALL_MODE := true
endif
ifeq ($(WITH_ART_SMALL_MODE), true)
ART_SMALL_MODE := true
endif
#
# Used to change the default GC. Valid values are CMS, SS, GSS. The default is CMS.
#
art_default_gc_type ?= CMS
art_default_gc_type_cflags := -DART_DEFAULT_GC_TYPE_IS_$(art_default_gc_type)
ART_HOST_CFLAGS :=
ART_TARGET_CFLAGS :=
# Clang build support.
# Host.
ART_HOST_CLANG := false
ifneq ($(WITHOUT_HOST_CLANG),true)
# By default, host builds use clang for better warnings.
ART_HOST_CLANG := true
endif
# Clang on the target. Target builds use GCC by default.
ifneq ($(USE_CLANG_PLATFORM_BUILD),)
ART_TARGET_CLANG := $(USE_CLANG_PLATFORM_BUILD)
else
ART_TARGET_CLANG := false
endif
ART_TARGET_CLANG_arm :=
ART_TARGET_CLANG_arm64 :=
ART_TARGET_CLANG_mips :=
ART_TARGET_CLANG_x86 :=
ART_TARGET_CLANG_x86_64 :=
define set-target-local-clang-vars
LOCAL_CLANG := $(ART_TARGET_CLANG)
$(foreach arch,$(ART_TARGET_SUPPORTED_ARCH),
ifneq ($$(ART_TARGET_CLANG_$(arch)),)
LOCAL_CLANG_$(arch) := $$(ART_TARGET_CLANG_$(arch))
endif)
endef
ART_TARGET_CLANG_CFLAGS :=
ART_TARGET_CLANG_CFLAGS_arm :=
ART_TARGET_CLANG_CFLAGS_arm64 :=
ART_TARGET_CLANG_CFLAGS_mips :=
ART_TARGET_CLANG_CFLAGS_x86 :=
ART_TARGET_CLANG_CFLAGS_x86_64 :=
# These are necessary for Clang ARM64 ART builds. TODO: remove.
ART_TARGET_CLANG_CFLAGS_arm64 += \
-Wno-implicit-exception-spec-mismatch \
-DNVALGRIND \
-Wno-unused-value
# FIXME: upstream LLVM has a vectorizer bug that needs to be fixed
ART_TARGET_CLANG_CFLAGS_arm64 += \
-fno-vectorize
# Warn about thread safety violations with clang.
art_clang_cflags := -Wthread-safety
# Warn if switch fallthroughs aren't annotated.
art_clang_cflags += -Wimplicit-fallthrough
# Enable float equality warnings.
art_clang_cflags += -Wfloat-equal
# Enable warning of converting ints to void*.
art_clang_cflags += -Wint-to-void-pointer-cast
# GCC-only warnings.
art_gcc_cflags := -Wunused-but-set-parameter
# Suggest const: too many false positives, but good for a trial run.
# -Wsuggest-attribute=const
# Useless casts: too many, as we need to be 32/64 agnostic, but the compiler knows.
# -Wuseless-cast
# Zero-as-null: Have to convert all NULL and "diagnostic ignore" all includes like libnativehelper
# that are still stuck pre-C++11.
# -Wzero-as-null-pointer-constant \
# Suggest final: Have to move to a more recent GCC.
# -Wsuggest-final-types
ifeq ($(ART_HOST_CLANG),true)
# Bug: 15446488. We don't omit the frame pointer to work around
# clang/libunwind bugs that cause SEGVs in run-test-004-ThreadStress.
ART_HOST_CFLAGS += $(art_clang_cflags) -fno-omit-frame-pointer
else
ART_HOST_CFLAGS += $(art_gcc_cflags)
endif
ifeq ($(ART_TARGET_CLANG),true)
ART_TARGET_CFLAGS += $(art_clang_cflags)
else
ART_TARGET_CFLAGS += $(art_gcc_cflags)
endif
# Clear local variables now their use has ended.
art_clang_cflags :=
art_gcc_cflags :=
ART_CPP_EXTENSION := .cc
ART_C_INCLUDES := \
external/gtest/include \
external/valgrind/main/include \
external/valgrind/main \
external/vixl/src \
external/zlib \
# Base set of cflags used by all things ART.
art_cflags := \
-fno-rtti \
-std=gnu++11 \
-ggdb3 \
-Wall \
-Werror \
-Wextra \
-Wstrict-aliasing \
-fstrict-aliasing \
-Wunreachable-code \
-Wno-conversion-null \
-Wredundant-decls \
-Wshadow \
-fvisibility=protected \
$(art_default_gc_type_cflags)
# Missing declarations: too many at the moment, as we use "extern" quite a bit.
# -Wmissing-declarations \
ifdef ART_IMT_SIZE
art_cflags += -DIMT_SIZE=$(ART_IMT_SIZE)
else
# Default is 64
art_cflags += -DIMT_SIZE=64
endif
ifeq ($(ART_SMALL_MODE),true)
art_cflags += -DART_SMALL_MODE=1
endif
ifeq ($(ART_USE_OPTIMIZING_COMPILER),true)
art_cflags += -DART_USE_OPTIMIZING_COMPILER=1
endif
ifeq ($(ART_HEAP_POISONING),true)
art_cflags += -DART_HEAP_POISONING=1
endif
# Cflags for non-debug ART and ART tools.
art_non_debug_cflags := \
-O3
# Cflags for debug ART and ART tools.
art_debug_cflags := \
-O2 \
-DDYNAMIC_ANNOTATIONS_ENABLED=1 \
-DVIXL_DEBUG \
-UNDEBUG
art_host_non_debug_cflags := $(art_non_debug_cflags)
art_target_non_debug_cflags := $(art_non_debug_cflags)
ifeq ($(HOST_OS),linux)
# Larger frame-size for host clang builds today
ifndef SANITIZE_HOST
art_host_non_debug_cflags += -Wframe-larger-than=2700
endif
art_target_non_debug_cflags += -Wframe-larger-than=1728
endif
ifndef LIBART_IMG_HOST_BASE_ADDRESS
$(error LIBART_IMG_HOST_BASE_ADDRESS unset)
endif
ART_HOST_CFLAGS += $(art_cflags) -DART_BASE_ADDRESS=$(LIBART_IMG_HOST_BASE_ADDRESS)
ART_HOST_CFLAGS += -DART_DEFAULT_INSTRUCTION_SET_FEATURES=default
ifndef LIBART_IMG_TARGET_BASE_ADDRESS
$(error LIBART_IMG_TARGET_BASE_ADDRESS unset)
endif
ART_TARGET_CFLAGS += $(art_cflags) -DART_TARGET -DART_BASE_ADDRESS=$(LIBART_IMG_TARGET_BASE_ADDRESS)
ART_HOST_NON_DEBUG_CFLAGS := $(art_host_non_debug_cflags)
ART_TARGET_NON_DEBUG_CFLAGS := $(art_target_non_debug_cflags)
ART_HOST_DEBUG_CFLAGS := $(art_debug_cflags)
ART_TARGET_DEBUG_CFLAGS := $(art_debug_cflags)
ifndef LIBART_IMG_HOST_MIN_BASE_ADDRESS_DELTA
LIBART_IMG_HOST_MIN_BASE_ADDRESS_DELTA=-0x1000000
endif
ifndef LIBART_IMG_HOST_MAX_BASE_ADDRESS_DELTA
LIBART_IMG_HOST_MAX_BASE_ADDRESS_DELTA=0x1000000
endif
ART_HOST_CFLAGS += -DART_BASE_ADDRESS_MIN_DELTA=$(LIBART_IMG_HOST_MIN_BASE_ADDRESS_DELTA)
ART_HOST_CFLAGS += -DART_BASE_ADDRESS_MAX_DELTA=$(LIBART_IMG_HOST_MAX_BASE_ADDRESS_DELTA)
ifndef LIBART_IMG_TARGET_MIN_BASE_ADDRESS_DELTA
LIBART_IMG_TARGET_MIN_BASE_ADDRESS_DELTA=-0x1000000
endif
ifndef LIBART_IMG_TARGET_MAX_BASE_ADDRESS_DELTA
LIBART_IMG_TARGET_MAX_BASE_ADDRESS_DELTA=0x1000000
endif
ART_TARGET_CFLAGS += -DART_BASE_ADDRESS_MIN_DELTA=$(LIBART_IMG_TARGET_MIN_BASE_ADDRESS_DELTA)
ART_TARGET_CFLAGS += -DART_BASE_ADDRESS_MAX_DELTA=$(LIBART_IMG_TARGET_MAX_BASE_ADDRESS_DELTA)
# To use oprofile_android --callgraph, uncomment this and recompile with "mmm art -B -j16"
# ART_TARGET_CFLAGS += -fno-omit-frame-pointer -marm -mapcs
# Clear locals now they've served their purpose.
art_cflags :=
art_debug_cflags :=
art_non_debug_cflags :=
art_host_non_debug_cflags :=
art_target_non_debug_cflags :=
art_default_gc_type :=
art_default_gc_type_cflags :=
ART_HOST_LDLIBS :=
ifneq ($(ART_HOST_CLANG),true)
# GCC lacks libc++ assumed atomic operations, grab via libatomic.
ART_HOST_LDLIBS += -latomic
endif
ART_TARGET_LDFLAGS :=
# $(1): ndebug_or_debug
define set-target-local-cflags-vars
LOCAL_CFLAGS += $(ART_TARGET_CFLAGS)
LOCAL_CFLAGS_x86 += $(ART_TARGET_CFLAGS_x86)
LOCAL_LDFLAGS += $(ART_TARGET_LDFLAGS)
art_target_cflags_ndebug_or_debug := $(1)
ifeq ($$(art_target_cflags_ndebug_or_debug),debug)
LOCAL_CFLAGS += $(ART_TARGET_DEBUG_CFLAGS)
else
LOCAL_CFLAGS += $(ART_TARGET_NON_DEBUG_CFLAGS)
endif
# TODO: Also set when ART_TARGET_CLANG_$(arch)!=false and ART_TARGET_CLANG==true
$(foreach arch,$(ART_SUPPORTED_ARCH),
ifeq ($$(ART_TARGET_CLANG_$(arch)),true)
LOCAL_CFLAGS_$(arch) += $$(ART_TARGET_CLANG_CFLAGS_$(arch))
endif)
# Clear locally used variables.
art_target_cflags_ndebug_or_debug :=
endef
# Support for disabling certain builds.
ART_BUILD_TARGET := false
ART_BUILD_HOST := false
ART_BUILD_NDEBUG := false
ART_BUILD_DEBUG := false
ifeq ($(ART_BUILD_TARGET_NDEBUG),true)
ART_BUILD_TARGET := true
ART_BUILD_NDEBUG := true
endif
ifeq ($(ART_BUILD_TARGET_DEBUG),true)
ART_BUILD_TARGET := true
ART_BUILD_DEBUG := true
endif
ifeq ($(ART_BUILD_HOST_NDEBUG),true)
ART_BUILD_HOST := true
ART_BUILD_NDEBUG := true
endif
ifeq ($(ART_BUILD_HOST_DEBUG),true)
ART_BUILD_HOST := true
ART_BUILD_DEBUG := true
endif
endif # ART_ANDROID_COMMON_BUILD_MK