TARGET_linux-x86_64.mk revision a6e2f9322c47ac02546aa436341fa42afd0000c5
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 $(TARGET_ARCH_VARIANT)),) 22TARGET_ARCH_VARIANT := x86_64 23endif 24 25ifeq ($(strip $(TARGET_GCC_VERSION_EXP)),) 26TARGET_GCC_VERSION := 4.8 27else 28TARGET_GCC_VERSION := $(TARGET_GCC_VERSION_EXP) 29endif 30 31TARGET_IS_64_BIT := true 32 33# Include the arch-variant-specific configuration file. 34# Its role is to define various ARCH_X86_HAVE_XXX feature macros, 35# plus initial values for TARGET_GLOBAL_CFLAGS 36# 37TARGET_ARCH_SPECIFIC_MAKEFILE := $(BUILD_COMBOS)/arch/$(TARGET_ARCH)/$(TARGET_ARCH_VARIANT).mk 38ifeq ($(strip $(wildcard $(TARGET_ARCH_SPECIFIC_MAKEFILE))),) 39$(error Unknown $(TARGET_ARCH) architecture version: $(TARGET_ARCH_VARIANT)) 40endif 41 42include $(TARGET_ARCH_SPECIFIC_MAKEFILE) 43 44 45# You can set TARGET_TOOLS_PREFIX to get gcc from somewhere else 46ifeq ($(strip $(TARGET_TOOLS_PREFIX)),) 47TARGET_TOOLCHAIN_ROOT := prebuilts/gcc/$(HOST_PREBUILT_TAG)/x86/x86_64-linux-android-$(TARGET_GCC_VERSION) 48TARGET_TOOLS_PREFIX := $(TARGET_TOOLCHAIN_ROOT)/bin/x86_64-linux-android- 49endif 50 51TARGET_CC := $(TARGET_TOOLS_PREFIX)gcc$(HOST_EXECUTABLE_SUFFIX) 52TARGET_CXX := $(TARGET_TOOLS_PREFIX)g++$(HOST_EXECUTABLE_SUFFIX) 53TARGET_AR := $(TARGET_TOOLS_PREFIX)ar$(HOST_EXECUTABLE_SUFFIX) 54TARGET_OBJCOPY := $(TARGET_TOOLS_PREFIX)objcopy$(HOST_EXECUTABLE_SUFFIX) 55TARGET_LD := $(TARGET_TOOLS_PREFIX)ld$(HOST_EXECUTABLE_SUFFIX) 56TARGET_READELF := $(TARGET_TOOLS_PREFIX)readelf$(HOST_EXECUTABLE_SUFFIX) 57TARGET_STRIP := $(TARGET_TOOLS_PREFIX)strip$(HOST_EXECUTABLE_SUFFIX) 58include $(BUILD_SYSTEM)/strip.mk 59 60ifneq ($(wildcard $(TARGET_CC)),) 61TARGET_LIBGCC := \ 62 $(shell $(TARGET_CC) -m64 -print-file-name=libgcc.a) 63target_libgcov := $(shell $(TARGET_CC) $(TARGET_GLOBAL_CFLAGS) \ 64 -print-file-name=libgcov.a) 65endif 66 67TARGET_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined 68 69libc_root := bionic/libc 70libm_root := bionic/libm 71libstdc++_root := bionic/libstdc++ 72 73# Define FDO (Feedback Directed Optimization) options. 74 75TARGET_FDO_CFLAGS:= 76TARGET_FDO_LIB:= 77 78ifneq ($(strip $(BUILD_FDO_INSTRUMENT)),) 79 # Set BUILD_FDO_INSTRUMENT=true to turn on FDO instrumentation. 80 # The profile will be generated on /data/local/tmp/profile on the device. 81 TARGET_FDO_CFLAGS := -fprofile-generate=/data/local/tmp/profile -DANDROID_FDO 82 TARGET_FDO_LIB := $(target_libgcov) 83else 84 # If BUILD_FDO_INSTRUMENT is turned off, then consider doing the FDO optimizations. 85 # Set TARGET_FDO_PROFILE_PATH to set a custom profile directory for your build. 86 ifeq ($(strip $(TARGET_FDO_PROFILE_PATH)),) 87 TARGET_FDO_PROFILE_PATH := fdo/profiles/$(TARGET_ARCH)/$(TARGET_ARCH_VARIANT) 88 else 89 ifeq ($(strip $(wildcard $(TARGET_FDO_PROFILE_PATH))),) 90 $(warning Custom TARGET_FDO_PROFILE_PATH supplied, but directory does not exist. Turn off FDO.) 91 endif 92 endif 93 94 # If the FDO profile directory can't be found, then FDO is off. 95 ifneq ($(strip $(wildcard $(TARGET_FDO_PROFILE_PATH))),) 96 TARGET_FDO_CFLAGS := -fprofile-use=$(TARGET_FDO_PROFILE_PATH) -DANDROID_FDO 97 TARGET_FDO_LIB := $(target_libgcov) 98 endif 99endif 100 101KERNEL_HEADERS_COMMON := $(libc_root)/kernel/uapi 102KERNEL_HEADERS_ARCH := $(libc_root)/kernel/uapi/asm-x86 # x86 covers both x86 and x86_64. 103KERNEL_HEADERS := $(KERNEL_HEADERS_COMMON) $(KERNEL_HEADERS_ARCH) 104 105TARGET_GLOBAL_CFLAGS += \ 106 -O2 \ 107 -Ulinux \ 108 -Wa,--noexecstack \ 109 -Werror=format-security \ 110 -D_FORTIFY_SOURCE=2 \ 111 -Wstrict-aliasing=2 \ 112 -fPIC -fPIE \ 113 -ffunction-sections \ 114 -finline-functions \ 115 -finline-limit=300 \ 116 -fno-inline-functions-called-once \ 117 -fno-short-enums \ 118 -fstrict-aliasing \ 119 -funswitch-loops \ 120 -funwind-tables \ 121 -fstack-protector \ 122 -m64 123 124# Help catch common 32/64-bit errors. 125TARGET_GLOBAL_CFLAGS += \ 126 -Werror=pointer-to-int-cast \ 127 -Werror=int-to-pointer-cast \ 128 129android_config_h := $(call select-android-config-h,target_linux-x86) 130TARGET_ANDROID_CONFIG_CFLAGS := -include $(android_config_h) -I $(dir $(android_config_h)) 131TARGET_GLOBAL_CFLAGS += $(TARGET_ANDROID_CONFIG_CFLAGS) 132 133TARGET_GLOBAL_CFLAGS += $(arch_variant_cflags) 134 135ifeq ($(ARCH_X86_HAVE_SSSE3),true) # yes, really SSSE3, not SSE3! 136 TARGET_GLOBAL_CFLAGS += -DUSE_SSSE3 -mssse3 137endif 138ifeq ($(ARCH_X86_HAVE_SSE4),true) 139 TARGET_GLOBAL_CFLAGS += -msse4 140endif 141ifeq ($(ARCH_X86_HAVE_SSE4_1),true) 142 TARGET_GLOBAL_CFLAGS += -msse4.1 143endif 144ifeq ($(ARCH_X86_HAVE_SSE4_2),true) 145 TARGET_GLOBAL_CFLAGS += -msse4.2 146endif 147ifeq ($(ARCH_X86_HAVE_AVX),true) 148 TARGET_GLOBAL_CFLAGS += -mavx 149endif 150ifeq ($(ARCH_X86_HAVE_AES_NI),true) 151 TARGET_GLOBAL_CFLAGS += -maes 152endif 153 154TARGET_GLOBAL_LDFLAGS += -m64 155 156TARGET_GLOBAL_LDFLAGS += -Wl,-z,noexecstack 157TARGET_GLOBAL_LDFLAGS += -Wl,-z,relro -Wl,-z,now 158TARGET_GLOBAL_LDFLAGS += -Wl,--warn-shared-textrel 159TARGET_GLOBAL_LDFLAGS += -Wl,--gc-sections 160 161TARGET_C_INCLUDES := \ 162 $(libc_root)/arch-x86_64/include \ 163 $(libc_root)/include \ 164 $(libstdc++_root)/include \ 165 $(KERNEL_HEADERS) \ 166 $(libm_root)/include \ 167 $(libm_root)/include/amd64 \ 168 169TARGET_CRTBEGIN_STATIC_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_static.o 170TARGET_CRTBEGIN_DYNAMIC_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_dynamic.o 171TARGET_CRTEND_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_android.o 172 173TARGET_CRTBEGIN_SO_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_so.o 174TARGET_CRTEND_SO_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_so.o 175 176TARGET_STRIP_MODULE:=true 177 178TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libstdc++ libm 179 180TARGET_CUSTOM_LD_COMMAND := true 181define transform-o-to-shared-lib-inner 182$(hide) $(PRIVATE_CXX) \ 183 $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \ 184 -nostdlib -Wl,-soname,$(notdir $@) \ 185 -shared -Bsymbolic \ 186 $(PRIVATE_TARGET_GLOBAL_LD_DIRS) \ 187 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \ 188 $(PRIVATE_ALL_OBJECTS) \ 189 -Wl,--whole-archive \ 190 $(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \ 191 -Wl,--no-whole-archive \ 192 $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \ 193 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ 194 $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \ 195 $(PRIVATE_TARGET_LIBGCC) \ 196 $(PRIVATE_TARGET_FDO_LIB) \ 197 $(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \ 198 -o $@ \ 199 $(PRIVATE_LDFLAGS) \ 200 $(PRIVATE_TARGET_LIBGCC) \ 201 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O)) 202endef 203 204define transform-o-to-executable-inner 205$(hide) $(PRIVATE_CXX) \ 206 $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \ 207 -nostdlib -Bdynamic \ 208 -Wl,-z,nocopyreloc \ 209 -fPIE -pie \ 210 $(PRIVATE_TARGET_GLOBAL_LD_DIRS) \ 211 -Wl,-rpath-link=$(PRIVATE_TARGET_OUT_INTERMEDIATE_LIBRARIES) \ 212 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_DYNAMIC_O)) \ 213 $(PRIVATE_ALL_OBJECTS) \ 214 -Wl,--whole-archive \ 215 $(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \ 216 -Wl,--no-whole-archive \ 217 $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \ 218 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ 219 $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \ 220 $(PRIVATE_TARGET_LIBGCC) \ 221 $(PRIVATE_TARGET_FDO_LIB) \ 222 $(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \ 223 -o $@ \ 224 $(PRIVATE_LDFLAGS) \ 225 $(PRIVATE_TARGET_LIBGCC) \ 226 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) 227endef 228 229define transform-o-to-static-executable-inner 230$(hide) $(PRIVATE_CXX) \ 231 $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \ 232 -nostdlib -Bstatic \ 233 -o $@ \ 234 $(PRIVATE_TARGET_GLOBAL_LD_DIRS) \ 235 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_STATIC_O)) \ 236 $(PRIVATE_LDFLAGS) \ 237 $(PRIVATE_ALL_OBJECTS) \ 238 -Wl,--whole-archive \ 239 $(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \ 240 -Wl,--no-whole-archive \ 241 -Wl,--start-group \ 242 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ 243 $(PRIVATE_TARGET_FDO_LIB) \ 244 $(PRIVATE_TARGET_LIBGCC) \ 245 -Wl,--end-group \ 246 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) 247endef 248