TARGET_linux-x86_64.mk revision 179685c1c3d04ddeec78e70b19141c1573651e65
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 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_ARCH)/$(TARGET_ARCH_VARIANT).mk 39ifeq ($(strip $(wildcard $(TARGET_ARCH_SPECIFIC_MAKEFILE))),) 40$(error Unknown $(TARGET_ARCH) architecture version: $(TARGET_ARCH_VARIANT)) 41endif 42 43include $(TARGET_ARCH_SPECIFIC_MAKEFILE) 44include $(BUILD_SYSTEM)/combo/fdo.mk 45 46# You can set TARGET_TOOLS_PREFIX to get gcc from somewhere else 47ifeq ($(strip $(TARGET_TOOLS_PREFIX)),) 48TARGET_TOOLCHAIN_ROOT := prebuilts/gcc/$(HOST_PREBUILT_TAG)/x86/x86_64-linux-android-$(TARGET_GCC_VERSION) 49TARGET_TOOLS_PREFIX := $(TARGET_TOOLCHAIN_ROOT)/bin/x86_64-linux-android- 50endif 51 52TARGET_CC := $(TARGET_TOOLS_PREFIX)gcc$(HOST_EXECUTABLE_SUFFIX) 53TARGET_CXX := $(TARGET_TOOLS_PREFIX)g++$(HOST_EXECUTABLE_SUFFIX) 54TARGET_AR := $(TARGET_TOOLS_PREFIX)ar$(HOST_EXECUTABLE_SUFFIX) 55TARGET_OBJCOPY := $(TARGET_TOOLS_PREFIX)objcopy$(HOST_EXECUTABLE_SUFFIX) 56TARGET_LD := $(TARGET_TOOLS_PREFIX)ld$(HOST_EXECUTABLE_SUFFIX) 57TARGET_READELF := $(TARGET_TOOLS_PREFIX)readelf$(HOST_EXECUTABLE_SUFFIX) 58TARGET_STRIP := $(TARGET_TOOLS_PREFIX)strip$(HOST_EXECUTABLE_SUFFIX) 59 60ifneq ($(wildcard $(TARGET_CC)),) 61TARGET_LIBGCC := \ 62 $(shell $(TARGET_CC) -m64 -print-file-name=libgcc.a) 63TARGET_LIBATOMIC := \ 64 $(shell $(TARGET_CC) -m64 -print-file-name=libatomic.a) 65TARGET_LIBGCOV := \ 66 $(shell $(TARGET_CC) -m64 -print-file-name=libgcov.a) 67endif 68 69TARGET_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined 70 71libc_root := bionic/libc 72libm_root := bionic/libm 73 74KERNEL_HEADERS_COMMON := $(libc_root)/kernel/uapi 75KERNEL_HEADERS_ARCH := $(libc_root)/kernel/uapi/asm-x86 # x86 covers both x86 and x86_64. 76KERNEL_HEADERS := $(KERNEL_HEADERS_COMMON) $(KERNEL_HEADERS_ARCH) 77 78TARGET_GLOBAL_CFLAGS += \ 79 -O2 \ 80 -Wa,--noexecstack \ 81 -Werror=format-security \ 82 -D_FORTIFY_SOURCE=2 \ 83 -Wstrict-aliasing=2 \ 84 -ffunction-sections \ 85 -finline-functions \ 86 -finline-limit=300 \ 87 -fno-short-enums \ 88 -fstrict-aliasing \ 89 -funswitch-loops \ 90 -funwind-tables \ 91 -fstack-protector \ 92 -m64 \ 93 -no-canonical-prefixes \ 94 -fno-canonical-system-headers 95 96# Help catch common 32/64-bit errors. 97TARGET_GLOBAL_CFLAGS += \ 98 -Werror=pointer-to-int-cast \ 99 -Werror=int-to-pointer-cast \ 100 101android_config_h := $(call select-android-config-h,target_linux-x86) 102TARGET_ANDROID_CONFIG_CFLAGS := -include $(android_config_h) -I $(dir $(android_config_h)) 103TARGET_GLOBAL_CFLAGS += $(TARGET_ANDROID_CONFIG_CFLAGS) 104 105TARGET_GLOBAL_CFLAGS += $(arch_variant_cflags) 106 107ifeq ($(ARCH_X86_HAVE_SSSE3),true) # yes, really SSSE3, not SSE3! 108 TARGET_GLOBAL_CFLAGS += -DUSE_SSSE3 -mssse3 109endif 110ifeq ($(ARCH_X86_HAVE_SSE4),true) 111 TARGET_GLOBAL_CFLAGS += -msse4 112endif 113ifeq ($(ARCH_X86_HAVE_SSE4_1),true) 114 TARGET_GLOBAL_CFLAGS += -msse4.1 115endif 116ifeq ($(ARCH_X86_HAVE_SSE4_2),true) 117 TARGET_GLOBAL_CFLAGS += -msse4.2 118endif 119ifeq ($(ARCH_X86_HAVE_AVX),true) 120 TARGET_GLOBAL_CFLAGS += -mavx 121endif 122ifeq ($(ARCH_X86_HAVE_AES_NI),true) 123 TARGET_GLOBAL_CFLAGS += -maes 124endif 125 126TARGET_GLOBAL_LDFLAGS += -m64 127 128TARGET_GLOBAL_LDFLAGS += -Wl,-z,noexecstack 129TARGET_GLOBAL_LDFLAGS += -Wl,-z,relro -Wl,-z,now 130TARGET_GLOBAL_LDFLAGS += -Wl,--warn-shared-textrel 131TARGET_GLOBAL_LDFLAGS += -Wl,--fatal-warnings 132TARGET_GLOBAL_LDFLAGS += -Wl,--gc-sections 133TARGET_GLOBAL_LDFLAGS += -Wl,--hash-style=gnu 134 135TARGET_C_INCLUDES := \ 136 $(libc_root)/arch-x86_64/include \ 137 $(libc_root)/include \ 138 $(KERNEL_HEADERS) \ 139 $(libm_root)/include \ 140 $(libm_root)/include/amd64 \ 141 142TARGET_CRTBEGIN_STATIC_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_static.o 143TARGET_CRTBEGIN_DYNAMIC_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_dynamic.o 144TARGET_CRTEND_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_android.o 145 146TARGET_CRTBEGIN_SO_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_so.o 147TARGET_CRTEND_SO_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_so.o 148 149TARGET_STRIP_MODULE:=true 150 151TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libm 152 153TARGET_CUSTOM_LD_COMMAND := true 154define transform-o-to-shared-lib-inner 155$(hide) $(PRIVATE_CXX) \ 156 $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \ 157 -nostdlib -Wl,-soname,$(notdir $@) \ 158 $(if $(filter true,$(PRIVATE_CLANG)),-shared,-Wl,-shared) \ 159 $(PRIVATE_TARGET_GLOBAL_LD_DIRS) \ 160 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \ 161 $(PRIVATE_ALL_OBJECTS) \ 162 -Wl,--whole-archive \ 163 $(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \ 164 -Wl,--no-whole-archive \ 165 $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \ 166 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ 167 $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \ 168 $(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \ 169 $(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \ 170 -o $@ \ 171 $(PRIVATE_LDFLAGS) \ 172 $(PRIVATE_TARGET_LIBATOMIC) \ 173 $(if $(filter true,$(NATIVE_COVERAGE)),$(PRIVATE_TARGET_LIBGCOV)) \ 174 $(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \ 175 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O)) \ 176 $(PRIVATE_LDLIBS) 177endef 178 179define transform-o-to-executable-inner 180$(hide) $(PRIVATE_CXX) \ 181 $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \ 182 -nostdlib -Bdynamic \ 183 -Wl,-z,nocopyreloc \ 184 -pie \ 185 $(PRIVATE_TARGET_GLOBAL_LD_DIRS) \ 186 -Wl,-rpath-link=$(PRIVATE_TARGET_OUT_INTERMEDIATE_LIBRARIES) \ 187 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_DYNAMIC_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 $(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \ 197 -o $@ \ 198 $(PRIVATE_LDFLAGS) \ 199 $(PRIVATE_TARGET_LIBATOMIC) \ 200 $(if $(filter true,$(NATIVE_COVERAGE)),$(PRIVATE_TARGET_LIBGCOV)) \ 201 $(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \ 202 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) \ 203 $(PRIVATE_LDLIBS) 204endef 205 206define transform-o-to-static-executable-inner 207$(hide) $(PRIVATE_CXX) \ 208 $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \ 209 -nostdlib -Bstatic \ 210 -o $@ \ 211 $(PRIVATE_TARGET_GLOBAL_LD_DIRS) \ 212 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_STATIC_O)) \ 213 $(PRIVATE_LDFLAGS) \ 214 $(PRIVATE_ALL_OBJECTS) \ 215 -Wl,--whole-archive \ 216 $(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \ 217 -Wl,--no-whole-archive \ 218 $(call normalize-target-libraries,$(filter-out %libcompiler_rt.a,$(filter-out %libc_nomalloc.a,$(filter-out %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))))) \ 219 -Wl,--start-group \ 220 $(call normalize-target-libraries,$(filter %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \ 221 $(call normalize-target-libraries,$(filter %libc_nomalloc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \ 222 $(PRIVATE_TARGET_LIBATOMIC) \ 223 $(if $(filter true,$(NATIVE_COVERAGE)),$(PRIVATE_TARGET_LIBGCOV)) \ 224 $(call normalize-target-libraries,$(filter %libcompiler_rt.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \ 225 $(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \ 226 -Wl,--end-group \ 227 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) 228endef 229