TARGET_linux-x86_64.mk revision e1d44c3b4acef1319c34514e8d4ee78127b895ef
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 := 4.7 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_STRIP := $(TARGET_TOOLS_PREFIX)strip$(HOST_EXECUTABLE_SUFFIX) 57 58ifeq ($(TARGET_BUILD_VARIANT),user) 59TARGET_STRIP_COMMAND = $(PRIVATE_STRIP) --strip-debug $< -o $@ 60else 61TARGET_STRIP_COMMAND = $(PRIVATE_STRIP) --strip-debug $< -o $@ && \ 62 $(PRIVATE_OBJCOPY) --add-gnu-debuglink=$< $@ 63endif 64 65ifneq ($(wildcard $(TARGET_CC)),) 66TARGET_LIBGCC := \ 67 $(shell $(TARGET_CC) -m64 -print-file-name=libgcc.a) 68target_libgcov := $(shell $(TARGET_CC) $(TARGET_GLOBAL_CFLAGS) \ 69 -print-file-name=libgcov.a) 70endif 71 72TARGET_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined 73 74libc_root := bionic/libc 75libm_root := bionic/libm 76libstdc++_root := bionic/libstdc++ 77libthread_db_root := bionic/libthread_db 78 79# Define FDO (Feedback Directed Optimization) options. 80 81TARGET_FDO_CFLAGS:= 82TARGET_FDO_LIB:= 83 84ifneq ($(strip $(BUILD_FDO_INSTRUMENT)),) 85 # Set BUILD_FDO_INSTRUMENT=true to turn on FDO instrumentation. 86 # The profile will be generated on /data/local/tmp/profile on the device. 87 TARGET_FDO_CFLAGS := -fprofile-generate=/data/local/tmp/profile -DANDROID_FDO 88 TARGET_FDO_LIB := $(target_libgcov) 89else 90 # If BUILD_FDO_INSTRUMENT is turned off, then consider doing the FDO optimizations. 91 # Set TARGET_FDO_PROFILE_PATH to set a custom profile directory for your build. 92 ifeq ($(strip $(TARGET_FDO_PROFILE_PATH)),) 93 TARGET_FDO_PROFILE_PATH := fdo/profiles/$(TARGET_ARCH)/$(TARGET_ARCH_VARIANT) 94 else 95 ifeq ($(strip $(wildcard $(TARGET_FDO_PROFILE_PATH))),) 96 $(warning Custom TARGET_FDO_PROFILE_PATH supplied, but directory does not exist. Turn off FDO.) 97 endif 98 endif 99 100 # If the FDO profile directory can't be found, then FDO is off. 101 ifneq ($(strip $(wildcard $(TARGET_FDO_PROFILE_PATH))),) 102 TARGET_FDO_CFLAGS := -fprofile-use=$(TARGET_FDO_PROFILE_PATH) -DANDROID_FDO 103 TARGET_FDO_LIB := $(target_libgcov) 104 endif 105endif 106 107KERNEL_HEADERS_COMMON := $(libc_root)/kernel/uapi 108KERNEL_HEADERS_ARCH := $(libc_root)/kernel/uapi/asm-x86 # x86 covers both x86 and x86_64. 109KERNEL_HEADERS := $(KERNEL_HEADERS_COMMON) $(KERNEL_HEADERS_ARCH) 110 111TARGET_GLOBAL_CFLAGS += \ 112 -O2 \ 113 -Ulinux \ 114 -Wa,--noexecstack \ 115 -Werror=format-security \ 116 -D_FORTIFY_SOURCE=2 \ 117 -Wstrict-aliasing=2 \ 118 -fPIC -fPIE \ 119 -ffunction-sections \ 120 -finline-functions \ 121 -finline-limit=300 \ 122 -fno-inline-functions-called-once \ 123 -fno-short-enums \ 124 -fstrict-aliasing \ 125 -funswitch-loops \ 126 -funwind-tables \ 127 -fstack-protector \ 128 -m64 129 130android_config_h := $(call select-android-config-h,target_linux-x86) 131TARGET_ANDROID_CONFIG_CFLAGS := -include $(android_config_h) -I $(dir $(android_config_h)) 132TARGET_GLOBAL_CFLAGS += $(TARGET_ANDROID_CONFIG_CFLAGS) 133 134TARGET_GLOBAL_CFLAGS += $(arch_variant_cflags) 135 136ifeq ($(ARCH_X86_HAVE_SSSE3),true) # yes, really SSSE3, not SSE3! 137 TARGET_GLOBAL_CFLAGS += -DUSE_SSSE3 -mssse3 138endif 139ifeq ($(ARCH_X86_HAVE_SSE4),true) 140 TARGET_GLOBAL_CFLAGS += -msse4 141endif 142ifeq ($(ARCH_X86_HAVE_SSE4_1),true) 143 TARGET_GLOBAL_CFLAGS += -msse4.1 144endif 145ifeq ($(ARCH_X86_HAVE_SSE4_2),true) 146 TARGET_GLOBAL_CFLAGS += -msse4.2 147endif 148ifeq ($(ARCH_X86_HAVE_AVX),true) 149 TARGET_GLOBAL_CFLAGS += -mavx 150endif 151ifeq ($(ARCH_X86_HAVE_AES_NI),true) 152 TARGET_GLOBAL_CFLAGS += -maes 153endif 154 155TARGET_GLOBAL_LDFLAGS += -m64 156 157TARGET_GLOBAL_LDFLAGS += -Wl,-z,noexecstack 158TARGET_GLOBAL_LDFLAGS += -Wl,-z,relro -Wl,-z,now 159TARGET_GLOBAL_LDFLAGS += -Wl,--warn-shared-textrel 160TARGET_GLOBAL_LDFLAGS += -Wl,--gc-sections 161 162TARGET_C_INCLUDES := \ 163 $(libc_root)/arch-x86_64/include \ 164 $(libc_root)/include \ 165 $(libstdc++_root)/include \ 166 $(KERNEL_HEADERS) \ 167 $(libm_root)/include \ 168 $(libm_root)/include/amd64 \ 169 $(libthread_db_root)/include 170 171TARGET_CRTBEGIN_STATIC_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_static.o 172TARGET_CRTBEGIN_DYNAMIC_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_dynamic.o 173TARGET_CRTEND_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_android.o 174 175TARGET_CRTBEGIN_SO_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_so.o 176TARGET_CRTEND_SO_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_so.o 177 178TARGET_STRIP_MODULE:=true 179 180TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libstdc++ libm 181 182TARGET_CUSTOM_LD_COMMAND := true 183define transform-o-to-shared-lib-inner 184$(hide) $(PRIVATE_CXX) \ 185 $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \ 186 -nostdlib -Wl,-soname,$(notdir $@) \ 187 -shared -Bsymbolic \ 188 $(TARGET_GLOBAL_CFLAGS) \ 189 $(PRIVATE_TARGET_GLOBAL_LD_DIRS) \ 190 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \ 191 $(PRIVATE_ALL_OBJECTS) \ 192 -Wl,--whole-archive \ 193 $(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \ 194 -Wl,--no-whole-archive \ 195 $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \ 196 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ 197 $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \ 198 $(PRIVATE_TARGET_LIBGCC) \ 199 $(PRIVATE_TARGET_FDO_LIB) \ 200 $(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \ 201 -o $@ \ 202 $(PRIVATE_LDFLAGS) \ 203 $(PRIVATE_TARGET_LIBGCC) \ 204 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O)) 205endef 206 207define transform-o-to-executable-inner 208$(hide) $(PRIVATE_CXX) \ 209 $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \ 210 -nostdlib -Bdynamic \ 211 -Wl,-z,nocopyreloc \ 212 -fPIE -pie \ 213 $(PRIVATE_TARGET_GLOBAL_LD_DIRS) \ 214 -Wl,-rpath-link=$(TARGET_OUT_INTERMEDIATE_LIBRARIES) \ 215 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_DYNAMIC_O)) \ 216 $(PRIVATE_ALL_OBJECTS) \ 217 -Wl,--whole-archive \ 218 $(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \ 219 -Wl,--no-whole-archive \ 220 $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \ 221 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ 222 $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \ 223 $(PRIVATE_TARGET_LIBGCC) \ 224 $(PRIVATE_TARGET_FDO_LIB) \ 225 $(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \ 226 -o $@ \ 227 $(PRIVATE_LDFLAGS) \ 228 $(PRIVATE_TARGET_LIBGCC) \ 229 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) 230endef 231 232define transform-o-to-static-executable-inner 233$(hide) $(PRIVATE_CXX) \ 234 $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \ 235 -nostdlib -Bstatic \ 236 -o $@ \ 237 $(PRIVATE_TARGET_GLOBAL_LD_DIRS) \ 238 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_STATIC_O)) \ 239 $(PRIVATE_LDFLAGS) \ 240 $(PRIVATE_ALL_OBJECTS) \ 241 -Wl,--whole-archive \ 242 $(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \ 243 -Wl,--no-whole-archive \ 244 -Wl,--start-group \ 245 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ 246 $(PRIVATE_TARGET_FDO_LIB) \ 247 $(PRIVATE_TARGET_LIBGCC) \ 248 -Wl,--end-group \ 249 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) 250endef 251