TARGET_linux-x86.mk revision f6771f631b814189d83b9b16cfa73d1466f932af
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 as a target. 18# Included by combo/select.mk 19 20# Provide a default variant. 21ifeq ($(strip $(TARGET_$(combo_2nd_arch_prefix)ARCH_VARIANT)),) 22TARGET_$(combo_2nd_arch_prefix)ARCH_VARIANT := x86 23endif 24 25# Decouple NDK library selection with platform compiler version 26$(combo_2nd_arch_prefix)TARGET_NDK_GCC_VERSION := 4.8 27 28ifeq ($(strip $(TARGET_GCC_VERSION_EXP)),) 29$(combo_2nd_arch_prefix)TARGET_GCC_VERSION := 4.8 30else 31$(combo_2nd_arch_prefix)TARGET_GCC_VERSION := $(TARGET_GCC_VERSION_EXP) 32endif 33 34# Include the arch-variant-specific configuration file. 35# Its role is to define various ARCH_X86_HAVE_XXX feature macros, 36# plus initial values for TARGET_GLOBAL_CFLAGS 37# 38TARGET_ARCH_SPECIFIC_MAKEFILE := $(BUILD_COMBOS)/arch/$(TARGET_$(combo_2nd_arch_prefix)ARCH)/$(TARGET_$(combo_2nd_arch_prefix)ARCH_VARIANT).mk 39ifeq ($(strip $(wildcard $(TARGET_ARCH_SPECIFIC_MAKEFILE))),) 40$(error Unknown $(TARGET_$(combo_2nd_arch_prefix)ARCH) architecture version: $(TARGET_$(combo_2nd_arch_prefix)ARCH_VARIANT)) 41endif 42 43include $(TARGET_ARCH_SPECIFIC_MAKEFILE) 44 45 46# You can set TARGET_TOOLS_PREFIX to get gcc from somewhere else 47ifeq ($(strip $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)),) 48$(combo_2nd_arch_prefix)TARGET_TOOLCHAIN_ROOT := prebuilts/gcc/$(HOST_PREBUILT_TAG)/x86/x86_64-linux-android-$($(combo_2nd_arch_prefix)TARGET_GCC_VERSION) 49$(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX := $($(combo_2nd_arch_prefix)TARGET_TOOLCHAIN_ROOT)/bin/x86_64-linux-android- 50endif 51 52$(combo_2nd_arch_prefix)TARGET_CC := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)gcc$(HOST_EXECUTABLE_SUFFIX) 53$(combo_2nd_arch_prefix)TARGET_CXX := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)g++$(HOST_EXECUTABLE_SUFFIX) 54$(combo_2nd_arch_prefix)TARGET_AR := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)ar$(HOST_EXECUTABLE_SUFFIX) 55$(combo_2nd_arch_prefix)TARGET_OBJCOPY := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)objcopy$(HOST_EXECUTABLE_SUFFIX) 56$(combo_2nd_arch_prefix)TARGET_LD := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)ld$(HOST_EXECUTABLE_SUFFIX) 57$(combo_2nd_arch_prefix)TARGET_READELF := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)readelf$(HOST_EXECUTABLE_SUFFIX) 58$(combo_2nd_arch_prefix)TARGET_STRIP := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)strip$(HOST_EXECUTABLE_SUFFIX) 59 60ifneq ($(wildcard $($(combo_2nd_arch_prefix)TARGET_CC)),) 61$(combo_2nd_arch_prefix)TARGET_LIBGCC := \ 62 $(shell $($(combo_2nd_arch_prefix)TARGET_CC) -m32 -print-file-name=libgcc.a) 63$(combo_2nd_arch_prefix)TARGET_LIBATOMIC := \ 64 $(shell $($(combo_2nd_arch_prefix)TARGET_CC) -m32 -print-file-name=libatomic.a) 65target_libgcov := $(shell $($(combo_2nd_arch_prefix)TARGET_CC) $($(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS) \ 66 -print-file-name=libgcov.a) 67endif 68 69$(combo_2nd_arch_prefix)TARGET_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined 70 71libc_root := bionic/libc 72libm_root := bionic/libm 73libstdc++_root := bionic/libstdc++ 74 75# Define FDO (Feedback Directed Optimization) options. 76 77$(combo_2nd_arch_prefix)TARGET_FDO_CFLAGS:= 78$(combo_2nd_arch_prefix)TARGET_FDO_LIB:= 79 80ifneq ($(strip $(BUILD_FDO_INSTRUMENT)),) 81 # Set BUILD_FDO_INSTRUMENT=true to turn on FDO instrumentation. 82 # The profile will be generated on /data/local/tmp/profile on the device. 83 $(combo_2nd_arch_prefix)TARGET_FDO_CFLAGS := -fprofile-generate=/data/local/tmp/profile -DANDROID_FDO 84 $(combo_2nd_arch_prefix)TARGET_FDO_LIB := $(target_libgcov) 85else 86 # If BUILD_FDO_INSTRUMENT is turned off, then consider doing the FDO optimizations. 87 # Set TARGET_FDO_PROFILE_PATH to set a custom profile directory for your build. 88 ifeq ($(strip $($(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH)),) 89 $(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH := fdo/profiles/$(TARGET_$(combo_2nd_arch_prefix)ARCH)/$(TARGET_$(combo_2nd_arch_prefix)ARCH_VARIANT) 90 else 91 ifeq ($(strip $(wildcard $($(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH))),) 92 $(warning Custom $(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH supplied, but directory does not exist. Turn off FDO.) 93 endif 94 endif 95 96 # If the FDO profile directory can't be found, then FDO is off. 97 ifneq ($(strip $(wildcard $($(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH))),) 98 $(combo_2nd_arch_prefix)TARGET_FDO_CFLAGS := -fprofile-use=$($(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH) -DANDROID_FDO 99 $(combo_2nd_arch_prefix)TARGET_FDO_LIB := $(target_libgcov) 100 endif 101endif 102 103KERNEL_HEADERS_COMMON := $(libc_root)/kernel/uapi 104KERNEL_HEADERS_ARCH := $(libc_root)/kernel/uapi/asm-x86 # x86 covers both x86 and x86_64. 105KERNEL_HEADERS := $(KERNEL_HEADERS_COMMON) $(KERNEL_HEADERS_ARCH) 106 107android_config_h := $(call select-android-config-h,target_linux-x86) 108 109$(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += \ 110 -O2 \ 111 -Wa,--noexecstack \ 112 -Werror=format-security \ 113 -D_FORTIFY_SOURCE=2 \ 114 -Wstrict-aliasing=2 \ 115 -fPIC \ 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 -m32 \ 126 -msse2 \ 127 -no-canonical-prefixes \ 128 -fno-canonical-system-headers \ 129 -include $(android_config_h) \ 130 -I $(dir $(android_config_h)) 131 132$(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += $(arch_variant_cflags) 133 134ifeq ($(ARCH_X86_HAVE_SSSE3),true) # yes, really SSSE3, not SSE3! 135 $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -DUSE_SSSE3 -mssse3 136endif 137ifeq ($(ARCH_X86_HAVE_SSE4),true) 138 $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -msse4 139endif 140ifeq ($(ARCH_X86_HAVE_SSE4_1),true) 141 $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -msse4.1 142endif 143ifeq ($(ARCH_X86_HAVE_SSE4_2),true) 144 $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -msse4.2 145endif 146ifeq ($(ARCH_X86_HAVE_AVX),true) 147 $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -mavx 148endif 149ifeq ($(ARCH_X86_HAVE_AES_NI),true) 150 $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -maes 151endif 152 153$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -m32 154 155$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,-z,noexecstack 156$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,-z,relro -Wl,-z,now 157$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--warn-shared-textrel 158$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--fatal-warnings 159$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--gc-sections 160 161$(combo_2nd_arch_prefix)TARGET_C_INCLUDES := \ 162 $(libc_root)/arch-x86/include \ 163 $(libc_root)/include \ 164 $(libstdc++_root)/include \ 165 $(KERNEL_HEADERS) \ 166 $(libm_root)/include \ 167 $(libm_root)/include/i387 \ 168 169$(combo_2nd_arch_prefix)TARGET_CRTBEGIN_STATIC_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_static.o 170$(combo_2nd_arch_prefix)TARGET_CRTBEGIN_DYNAMIC_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_dynamic.o 171$(combo_2nd_arch_prefix)TARGET_CRTEND_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_android.o 172 173$(combo_2nd_arch_prefix)TARGET_CRTBEGIN_SO_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_so.o 174$(combo_2nd_arch_prefix)TARGET_CRTEND_SO_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_so.o 175 176$(combo_2nd_arch_prefix)TARGET_STRIP_MODULE:=true 177 178$(combo_2nd_arch_prefix)TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libstdc++ libm 179 180$(combo_2nd_arch_prefix)TARGET_CUSTOM_LD_COMMAND := true 181define $(combo_2nd_arch_prefix)transform-o-to-shared-lib-inner 182$(hide) $(PRIVATE_CXX) \ 183 $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \ 184 -nostdlib -Wl,-soname,$(notdir $@) \ 185 -shared \ 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 $(if $(TARGET_BUILD_APPS),$(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_LIBATOMIC) \ 201 $(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \ 202 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O)) \ 203 $(PRIVATE_LDLIBS) 204endef 205 206define $(combo_2nd_arch_prefix)transform-o-to-executable-inner 207$(hide) $(PRIVATE_CXX) \ 208 $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \ 209 -nostdlib -Bdynamic \ 210 -Wl,-z,nocopyreloc \ 211 -fPIE -pie \ 212 $(PRIVATE_TARGET_GLOBAL_LD_DIRS) \ 213 -Wl,-rpath-link=$(PRIVATE_TARGET_OUT_INTERMEDIATE_LIBRARIES) \ 214 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_DYNAMIC_O)) \ 215 $(PRIVATE_ALL_OBJECTS) \ 216 -Wl,--whole-archive \ 217 $(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \ 218 -Wl,--no-whole-archive \ 219 $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \ 220 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ 221 $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \ 222 $(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \ 223 $(PRIVATE_TARGET_FDO_LIB) \ 224 $(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \ 225 -o $@ \ 226 $(PRIVATE_LDFLAGS) \ 227 $(PRIVATE_TARGET_LIBATOMIC) \ 228 $(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \ 229 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) \ 230 $(PRIVATE_LDLIBS) 231endef 232 233define $(combo_2nd_arch_prefix)transform-o-to-static-executable-inner 234$(hide) $(PRIVATE_CXX) \ 235 $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \ 236 -nostdlib -Bstatic \ 237 -o $@ \ 238 $(PRIVATE_TARGET_GLOBAL_LD_DIRS) \ 239 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_STATIC_O)) \ 240 $(PRIVATE_LDFLAGS) \ 241 $(PRIVATE_ALL_OBJECTS) \ 242 -Wl,--whole-archive \ 243 $(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \ 244 -Wl,--no-whole-archive \ 245 -Wl,--start-group \ 246 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ 247 $(PRIVATE_TARGET_FDO_LIB) \ 248 $(PRIVATE_TARGET_LIBATOMIC) \ 249 $(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \ 250 -Wl,--end-group \ 251 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) 252endef 253