TARGET_linux-x86_64.mk revision 0c87f3d733f289978dd2fa6fd4df324a52f0a4f4
1# 2# Copyright (C) 2006 The Android Open Source Project 3# 4# Licensed under the Apache License, Version 2.0 (the "License"); 5# you may not use this file except in compliance with the License. 6# You may obtain a copy of the License at 7# 8# http://www.apache.org/licenses/LICENSE-2.0 9# 10# Unless required by applicable law or agreed to in writing, software 11# distributed under the License is distributed on an "AS IS" BASIS, 12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13# See the License for the specific language governing permissions and 14# limitations under the License. 15# 16 17# Configuration for Linux on x86_64 as a target. 18# Included by combo/select.mk 19 20# Provide a default variant. 21ifeq ($(strip $(TARGET_ARCH_VARIANT)),) 22TARGET_ARCH_VARIANT := x86_64 23endif 24 25# Decouple NDK library selection with platform compiler version 26TARGET_NDK_GCC_VERSION := 4.8 27 28ifeq ($(strip $(TARGET_GCC_VERSION_EXP)),) 29TARGET_GCC_VERSION := 4.8 30else 31TARGET_GCC_VERSION := $(TARGET_GCC_VERSION_EXP) 32endif 33 34TARGET_IS_64_BIT := true 35 36# Include the arch-variant-specific configuration file. 37# Its role is to define various ARCH_X86_HAVE_XXX feature macros, 38# plus initial values for TARGET_GLOBAL_CFLAGS 39# 40TARGET_ARCH_SPECIFIC_MAKEFILE := $(BUILD_COMBOS)/arch/$(TARGET_ARCH)/$(TARGET_ARCH_VARIANT).mk 41ifeq ($(strip $(wildcard $(TARGET_ARCH_SPECIFIC_MAKEFILE))),) 42$(error Unknown $(TARGET_ARCH) architecture version: $(TARGET_ARCH_VARIANT)) 43endif 44 45include $(TARGET_ARCH_SPECIFIC_MAKEFILE) 46 47 48# You can set TARGET_TOOLS_PREFIX to get gcc from somewhere else 49ifeq ($(strip $(TARGET_TOOLS_PREFIX)),) 50TARGET_TOOLCHAIN_ROOT := prebuilts/gcc/$(HOST_PREBUILT_TAG)/x86/x86_64-linux-android-$(TARGET_GCC_VERSION) 51TARGET_TOOLS_PREFIX := $(TARGET_TOOLCHAIN_ROOT)/bin/x86_64-linux-android- 52endif 53 54TARGET_CC := $(TARGET_TOOLS_PREFIX)gcc$(HOST_EXECUTABLE_SUFFIX) 55TARGET_CXX := $(TARGET_TOOLS_PREFIX)g++$(HOST_EXECUTABLE_SUFFIX) 56TARGET_AR := $(TARGET_TOOLS_PREFIX)ar$(HOST_EXECUTABLE_SUFFIX) 57TARGET_OBJCOPY := $(TARGET_TOOLS_PREFIX)objcopy$(HOST_EXECUTABLE_SUFFIX) 58TARGET_LD := $(TARGET_TOOLS_PREFIX)ld$(HOST_EXECUTABLE_SUFFIX) 59TARGET_READELF := $(TARGET_TOOLS_PREFIX)readelf$(HOST_EXECUTABLE_SUFFIX) 60TARGET_STRIP := $(TARGET_TOOLS_PREFIX)strip$(HOST_EXECUTABLE_SUFFIX) 61 62ifneq ($(wildcard $(TARGET_CC)),) 63TARGET_LIBGCC := \ 64 $(shell $(TARGET_CC) -m64 -print-file-name=libgcc.a) 65TARGET_LIBATOMIC := \ 66 $(shell $(TARGET_CC) -m64 -print-file-name=libatomic.a) 67target_libgcov := $(shell $(TARGET_CC) $(TARGET_GLOBAL_CFLAGS) \ 68 -print-file-name=libgcov.a) 69endif 70 71TARGET_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined 72 73libc_root := bionic/libc 74libm_root := bionic/libm 75libstdc++_root := bionic/libstdc++ 76 77# Define FDO (Feedback Directed Optimization) options. 78 79TARGET_FDO_CFLAGS:= 80TARGET_FDO_LIB:= 81 82ifneq ($(strip $(BUILD_FDO_INSTRUMENT)),) 83 # Set BUILD_FDO_INSTRUMENT=true to turn on FDO instrumentation. 84 # The profile will be generated on /data/local/tmp/profile on the device. 85 TARGET_FDO_CFLAGS := -fprofile-generate=/data/local/tmp/profile -DANDROID_FDO 86 TARGET_FDO_LIB := $(target_libgcov) 87else 88 # If BUILD_FDO_INSTRUMENT is turned off, then consider doing the FDO optimizations. 89 # Set TARGET_FDO_PROFILE_PATH to set a custom profile directory for your build. 90 ifeq ($(strip $(TARGET_FDO_PROFILE_PATH)),) 91 TARGET_FDO_PROFILE_PATH := fdo/profiles/$(TARGET_ARCH)/$(TARGET_ARCH_VARIANT) 92 else 93 ifeq ($(strip $(wildcard $(TARGET_FDO_PROFILE_PATH))),) 94 $(warning Custom TARGET_FDO_PROFILE_PATH supplied, but directory does not exist. Turn off FDO.) 95 endif 96 endif 97 98 # If the FDO profile directory can't be found, then FDO is off. 99 ifneq ($(strip $(wildcard $(TARGET_FDO_PROFILE_PATH))),) 100 TARGET_FDO_CFLAGS := -fprofile-use=$(TARGET_FDO_PROFILE_PATH) -DANDROID_FDO 101 TARGET_FDO_LIB := $(target_libgcov) 102 endif 103endif 104 105KERNEL_HEADERS_COMMON := $(libc_root)/kernel/uapi 106KERNEL_HEADERS_ARCH := $(libc_root)/kernel/uapi/asm-x86 # x86 covers both x86 and x86_64. 107KERNEL_HEADERS := $(KERNEL_HEADERS_COMMON) $(KERNEL_HEADERS_ARCH) 108 109TARGET_GLOBAL_CFLAGS += \ 110 -O2 \ 111 -Wa,--noexecstack \ 112 -Werror=format-security \ 113 -D_FORTIFY_SOURCE=2 \ 114 -Wstrict-aliasing=2 \ 115 -fPIC -fPIE \ 116 -ffunction-sections \ 117 -finline-functions \ 118 -finline-limit=300 \ 119 -fno-inline-functions-called-once \ 120 -fno-short-enums \ 121 -fstrict-aliasing \ 122 -funswitch-loops \ 123 -funwind-tables \ 124 -fstack-protector \ 125 -m64 \ 126 -no-canonical-prefixes \ 127 -fno-canonical-system-headers 128 129# Help catch common 32/64-bit errors. 130TARGET_GLOBAL_CFLAGS += \ 131 -Werror=pointer-to-int-cast \ 132 -Werror=int-to-pointer-cast \ 133 134android_config_h := $(call select-android-config-h,target_linux-x86) 135TARGET_ANDROID_CONFIG_CFLAGS := -include $(android_config_h) -I $(dir $(android_config_h)) 136TARGET_GLOBAL_CFLAGS += $(TARGET_ANDROID_CONFIG_CFLAGS) 137 138TARGET_GLOBAL_CFLAGS += $(arch_variant_cflags) 139 140ifeq ($(ARCH_X86_HAVE_SSSE3),true) # yes, really SSSE3, not SSE3! 141 TARGET_GLOBAL_CFLAGS += -DUSE_SSSE3 -mssse3 142endif 143ifeq ($(ARCH_X86_HAVE_SSE4),true) 144 TARGET_GLOBAL_CFLAGS += -msse4 145endif 146ifeq ($(ARCH_X86_HAVE_SSE4_1),true) 147 TARGET_GLOBAL_CFLAGS += -msse4.1 148endif 149ifeq ($(ARCH_X86_HAVE_SSE4_2),true) 150 TARGET_GLOBAL_CFLAGS += -msse4.2 151endif 152ifeq ($(ARCH_X86_HAVE_AVX),true) 153 TARGET_GLOBAL_CFLAGS += -mavx 154endif 155ifeq ($(ARCH_X86_HAVE_AES_NI),true) 156 TARGET_GLOBAL_CFLAGS += -maes 157endif 158 159TARGET_GLOBAL_LDFLAGS += -m64 160 161TARGET_GLOBAL_LDFLAGS += -Wl,-z,noexecstack 162TARGET_GLOBAL_LDFLAGS += -Wl,-z,relro -Wl,-z,now 163TARGET_GLOBAL_LDFLAGS += -Wl,--warn-shared-textrel 164TARGET_GLOBAL_LDFLAGS += -Wl,--gc-sections 165 166TARGET_C_INCLUDES := \ 167 $(libc_root)/arch-x86_64/include \ 168 $(libc_root)/include \ 169 $(libstdc++_root)/include \ 170 $(KERNEL_HEADERS) \ 171 $(libm_root)/include \ 172 $(libm_root)/include/amd64 \ 173 174TARGET_CRTBEGIN_STATIC_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_static.o 175TARGET_CRTBEGIN_DYNAMIC_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_dynamic.o 176TARGET_CRTEND_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_android.o 177 178TARGET_CRTBEGIN_SO_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_so.o 179TARGET_CRTEND_SO_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_so.o 180 181TARGET_STRIP_MODULE:=true 182 183TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libstdc++ libm 184 185TARGET_CUSTOM_LD_COMMAND := true 186define transform-o-to-shared-lib-inner 187$(hide) $(PRIVATE_CXX) \ 188 $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \ 189 -nostdlib -Wl,-soname,$(notdir $@) \ 190 -shared -Bsymbolic \ 191 $(PRIVATE_TARGET_GLOBAL_LD_DIRS) \ 192 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \ 193 $(PRIVATE_ALL_OBJECTS) \ 194 -Wl,--whole-archive \ 195 $(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \ 196 -Wl,--no-whole-archive \ 197 $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \ 198 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ 199 $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \ 200 $(PRIVATE_TARGET_LIBGCC) \ 201 $(PRIVATE_TARGET_FDO_LIB) \ 202 $(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \ 203 -o $@ \ 204 $(PRIVATE_LDFLAGS) \ 205 $(PRIVATE_TARGET_LIBATOMIC) \ 206 $(PRIVATE_TARGET_LIBGCC) \ 207 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O)) 208endef 209 210define transform-o-to-executable-inner 211$(hide) $(PRIVATE_CXX) \ 212 $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \ 213 -nostdlib -Bdynamic \ 214 -Wl,-z,nocopyreloc \ 215 -fPIE -pie \ 216 $(PRIVATE_TARGET_GLOBAL_LD_DIRS) \ 217 -Wl,-rpath-link=$(PRIVATE_TARGET_OUT_INTERMEDIATE_LIBRARIES) \ 218 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_DYNAMIC_O)) \ 219 $(PRIVATE_ALL_OBJECTS) \ 220 -Wl,--whole-archive \ 221 $(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \ 222 -Wl,--no-whole-archive \ 223 $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \ 224 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ 225 $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \ 226 $(PRIVATE_TARGET_LIBGCC) \ 227 $(PRIVATE_TARGET_FDO_LIB) \ 228 $(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \ 229 -o $@ \ 230 $(PRIVATE_LDFLAGS) \ 231 $(PRIVATE_TARGET_LIBATOMIC) \ 232 $(PRIVATE_TARGET_LIBGCC) \ 233 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) \ 234 $(PRIVATE_LDLIBS) 235endef 236 237define transform-o-to-static-executable-inner 238$(hide) $(PRIVATE_CXX) \ 239 $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \ 240 -nostdlib -Bstatic \ 241 -o $@ \ 242 $(PRIVATE_TARGET_GLOBAL_LD_DIRS) \ 243 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_STATIC_O)) \ 244 $(PRIVATE_LDFLAGS) \ 245 $(PRIVATE_ALL_OBJECTS) \ 246 -Wl,--whole-archive \ 247 $(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \ 248 -Wl,--no-whole-archive \ 249 -Wl,--start-group \ 250 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ 251 $(PRIVATE_TARGET_FDO_LIB) \ 252 $(PRIVATE_TARGET_LIBATOMIC) \ 253 $(PRIVATE_TARGET_LIBGCC) \ 254 -Wl,--end-group \ 255 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) \ 256 $(PRIVATE_LDLIBS) 257endef 258