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. 21 ifeq ($(strip $(TARGET_ARCH_VARIANT)),) 22 TARGET_ARCH_VARIANT := x86_64 23 endif 24 25 # Decouple NDK library selection with platform compiler version 26 TARGET_NDK_GCC_VERSION := 4.8 27 28 ifeq ($(strip $(TARGET_GCC_VERSION_EXP)),) 29 TARGET_GCC_VERSION := 4.8 30 else 31 TARGET_GCC_VERSION := $(TARGET_GCC_VERSION_EXP) 32 endif 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 # 38 TARGET_ARCH_SPECIFIC_MAKEFILE := $(BUILD_COMBOS)/arch/$(TARGET_ARCH)/$(TARGET_ARCH_VARIANT).mk 39 ifeq ($(strip $(wildcard $(TARGET_ARCH_SPECIFIC_MAKEFILE))),) 40 $(error Unknown $(TARGET_ARCH) architecture version: $(TARGET_ARCH_VARIANT)) 41 endif 42 43 include $(TARGET_ARCH_SPECIFIC_MAKEFILE) 44 include $(BUILD_SYSTEM)/combo/fdo.mk 45 46 # You can set TARGET_TOOLS_PREFIX to get gcc from somewhere else 47 ifeq ($(strip $(TARGET_TOOLS_PREFIX)),) 48 TARGET_TOOLCHAIN_ROOT := prebuilts/gcc/$(HOST_PREBUILT_TAG)/x86/x86_64-linux-android-$(TARGET_GCC_VERSION) 49 TARGET_TOOLS_PREFIX := $(TARGET_TOOLCHAIN_ROOT)/bin/x86_64-linux-android- 50 endif 51 52 TARGET_CC := $(TARGET_TOOLS_PREFIX)gcc$(HOST_EXECUTABLE_SUFFIX) 53 TARGET_CXX := $(TARGET_TOOLS_PREFIX)g++$(HOST_EXECUTABLE_SUFFIX) 54 TARGET_AR := $(TARGET_TOOLS_PREFIX)ar$(HOST_EXECUTABLE_SUFFIX) 55 TARGET_OBJCOPY := $(TARGET_TOOLS_PREFIX)objcopy$(HOST_EXECUTABLE_SUFFIX) 56 TARGET_LD := $(TARGET_TOOLS_PREFIX)ld$(HOST_EXECUTABLE_SUFFIX) 57 TARGET_READELF := $(TARGET_TOOLS_PREFIX)readelf$(HOST_EXECUTABLE_SUFFIX) 58 TARGET_STRIP := $(TARGET_TOOLS_PREFIX)strip$(HOST_EXECUTABLE_SUFFIX) 59 60 ifneq ($(wildcard $(TARGET_CC)),) 61 TARGET_LIBGCC := \ 62 $(shell $(TARGET_CC) -m64 -print-file-name=libgcc.a) 63 TARGET_LIBATOMIC := \ 64 $(shell $(TARGET_CC) -m64 -print-file-name=libatomic.a) 65 endif 66 67 TARGET_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined 68 69 libc_root := bionic/libc 70 libm_root := bionic/libm 71 libstdc++_root := bionic/libstdc++ 72 73 KERNEL_HEADERS_COMMON := $(libc_root)/kernel/uapi 74 KERNEL_HEADERS_ARCH := $(libc_root)/kernel/uapi/asm-x86 # x86 covers both x86 and x86_64. 75 KERNEL_HEADERS := $(KERNEL_HEADERS_COMMON) $(KERNEL_HEADERS_ARCH) 76 77 TARGET_GLOBAL_CFLAGS += \ 78 -O2 \ 79 -Wa,--noexecstack \ 80 -Werror=format-security \ 81 -D_FORTIFY_SOURCE=2 \ 82 -Wstrict-aliasing=2 \ 83 -ffunction-sections \ 84 -finline-functions \ 85 -finline-limit=300 \ 86 -fno-short-enums \ 87 -fstrict-aliasing \ 88 -funswitch-loops \ 89 -funwind-tables \ 90 -fstack-protector \ 91 -m64 \ 92 -no-canonical-prefixes \ 93 -fno-canonical-system-headers 94 95 # Help catch common 32/64-bit errors. 96 TARGET_GLOBAL_CFLAGS += \ 97 -Werror=pointer-to-int-cast \ 98 -Werror=int-to-pointer-cast \ 99 100 android_config_h := $(call select-android-config-h,target_linux-x86) 101 TARGET_ANDROID_CONFIG_CFLAGS := -include $(android_config_h) -I $(dir $(android_config_h)) 102 TARGET_GLOBAL_CFLAGS += $(TARGET_ANDROID_CONFIG_CFLAGS) 103 104 TARGET_GLOBAL_CFLAGS += $(arch_variant_cflags) 105 106 ifeq ($(ARCH_X86_HAVE_SSSE3),true) # yes, really SSSE3, not SSE3! 107 TARGET_GLOBAL_CFLAGS += -DUSE_SSSE3 -mssse3 108 endif 109 ifeq ($(ARCH_X86_HAVE_SSE4),true) 110 TARGET_GLOBAL_CFLAGS += -msse4 111 endif 112 ifeq ($(ARCH_X86_HAVE_SSE4_1),true) 113 TARGET_GLOBAL_CFLAGS += -msse4.1 114 endif 115 ifeq ($(ARCH_X86_HAVE_SSE4_2),true) 116 TARGET_GLOBAL_CFLAGS += -msse4.2 117 endif 118 ifeq ($(ARCH_X86_HAVE_AVX),true) 119 TARGET_GLOBAL_CFLAGS += -mavx 120 endif 121 ifeq ($(ARCH_X86_HAVE_AES_NI),true) 122 TARGET_GLOBAL_CFLAGS += -maes 123 endif 124 125 TARGET_GLOBAL_LDFLAGS += -m64 126 127 TARGET_GLOBAL_LDFLAGS += -Wl,-z,noexecstack 128 TARGET_GLOBAL_LDFLAGS += -Wl,-z,relro -Wl,-z,now 129 TARGET_GLOBAL_LDFLAGS += -Wl,--warn-shared-textrel 130 TARGET_GLOBAL_LDFLAGS += -Wl,--fatal-warnings 131 TARGET_GLOBAL_LDFLAGS += -Wl,--gc-sections 132 133 TARGET_C_INCLUDES := \ 134 $(libc_root)/arch-x86_64/include \ 135 $(libc_root)/include \ 136 $(libstdc++_root)/include \ 137 $(KERNEL_HEADERS) \ 138 $(libm_root)/include \ 139 $(libm_root)/include/amd64 \ 140 141 TARGET_CRTBEGIN_STATIC_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_static.o 142 TARGET_CRTBEGIN_DYNAMIC_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_dynamic.o 143 TARGET_CRTEND_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_android.o 144 145 TARGET_CRTBEGIN_SO_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_so.o 146 TARGET_CRTEND_SO_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_so.o 147 148 TARGET_STRIP_MODULE:=true 149 150 TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libstdc++ libm 151 152 TARGET_CUSTOM_LD_COMMAND := true 153 define transform-o-to-shared-lib-inner 154 $(hide) $(PRIVATE_CXX) \ 155 $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \ 156 -nostdlib -Wl,-soname,$(notdir $@) \ 157 $(if $(filter true,$(PRIVATE_CLANG)),-shared,-Wl,-shared) \ 158 $(PRIVATE_TARGET_GLOBAL_LD_DIRS) \ 159 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \ 160 $(PRIVATE_ALL_OBJECTS) \ 161 -Wl,--whole-archive \ 162 $(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \ 163 -Wl,--no-whole-archive \ 164 $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \ 165 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ 166 $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \ 167 $(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \ 168 $(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \ 169 -o $@ \ 170 $(PRIVATE_LDFLAGS) \ 171 $(PRIVATE_TARGET_LIBATOMIC) \ 172 $(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \ 173 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O)) 174 endef 175 176 define transform-o-to-executable-inner 177 $(hide) $(PRIVATE_CXX) \ 178 $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \ 179 -nostdlib -Bdynamic \ 180 -Wl,-z,nocopyreloc \ 181 -pie \ 182 $(PRIVATE_TARGET_GLOBAL_LD_DIRS) \ 183 -Wl,-rpath-link=$(PRIVATE_TARGET_OUT_INTERMEDIATE_LIBRARIES) \ 184 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_DYNAMIC_O)) \ 185 $(PRIVATE_ALL_OBJECTS) \ 186 -Wl,--whole-archive \ 187 $(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \ 188 -Wl,--no-whole-archive \ 189 $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \ 190 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ 191 $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \ 192 $(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \ 193 $(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \ 194 -o $@ \ 195 $(PRIVATE_LDFLAGS) \ 196 $(PRIVATE_TARGET_LIBATOMIC) \ 197 $(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \ 198 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) \ 199 $(PRIVATE_LDLIBS) 200 endef 201 202 define transform-o-to-static-executable-inner 203 $(hide) $(PRIVATE_CXX) \ 204 $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \ 205 -nostdlib -Bstatic \ 206 -o $@ \ 207 $(PRIVATE_TARGET_GLOBAL_LD_DIRS) \ 208 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_STATIC_O)) \ 209 $(PRIVATE_LDFLAGS) \ 210 $(PRIVATE_ALL_OBJECTS) \ 211 -Wl,--whole-archive \ 212 $(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \ 213 -Wl,--no-whole-archive \ 214 -Wl,--start-group \ 215 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ 216 $(PRIVATE_TARGET_LIBATOMIC) \ 217 $(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \ 218 -Wl,--end-group \ 219 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) \ 220 $(PRIVATE_LDLIBS) 221 endef 222
