TARGET_linux-x86.mk revision 4bbc6c790bd3b0a4894cc844059e73b5721a28fd
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) 44include $(BUILD_SYSTEM)/combo/fdo.mk 45 46# You can set TARGET_TOOLS_PREFIX to get gcc from somewhere else 47ifeq ($(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) 65$(combo_2nd_arch_prefix)TARGET_LIBGCOV := \ 66 $(shell $($(combo_2nd_arch_prefix)TARGET_CC) -m32 -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 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 78android_config_h := $(call select-android-config-h,target_linux-x86) 79 80$(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += \ 81 -O2 \ 82 -Wa,--noexecstack \ 83 -Werror=format-security \ 84 -D_FORTIFY_SOURCE=2 \ 85 -Wstrict-aliasing=2 \ 86 -ffunction-sections \ 87 -finline-functions \ 88 -finline-limit=300 \ 89 -fno-short-enums \ 90 -fstrict-aliasing \ 91 -funswitch-loops \ 92 -funwind-tables \ 93 -fstack-protector \ 94 -m32 \ 95 -no-canonical-prefixes \ 96 -fno-canonical-system-headers \ 97 -include $(android_config_h) \ 98 -I $(dir $(android_config_h)) 99 100$(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += $(arch_variant_cflags) 101 102ifeq ($(ARCH_X86_HAVE_SSSE3),true) # yes, really SSSE3, not SSE3! 103 $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -DUSE_SSSE3 -mssse3 104endif 105ifeq ($(ARCH_X86_HAVE_SSE4),true) 106 $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -msse4 107endif 108ifeq ($(ARCH_X86_HAVE_SSE4_1),true) 109 $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -msse4.1 110endif 111ifeq ($(ARCH_X86_HAVE_SSE4_2),true) 112 $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -msse4.2 113endif 114ifeq ($(ARCH_X86_HAVE_AVX),true) 115 $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -mavx 116endif 117ifeq ($(ARCH_X86_HAVE_AES_NI),true) 118 $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -maes 119endif 120 121$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -m32 122 123$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,-z,noexecstack 124$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,-z,relro -Wl,-z,now 125$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--warn-shared-textrel 126$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--fatal-warnings 127$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--gc-sections 128 129$(combo_2nd_arch_prefix)TARGET_C_INCLUDES := \ 130 $(libc_root)/arch-x86/include \ 131 $(libc_root)/include \ 132 $(KERNEL_HEADERS) \ 133 $(libm_root)/include \ 134 $(libm_root)/include/i387 \ 135 136$(combo_2nd_arch_prefix)TARGET_CRTBEGIN_STATIC_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_static.o 137$(combo_2nd_arch_prefix)TARGET_CRTBEGIN_DYNAMIC_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_dynamic.o 138$(combo_2nd_arch_prefix)TARGET_CRTEND_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_android.o 139 140$(combo_2nd_arch_prefix)TARGET_CRTBEGIN_SO_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_so.o 141$(combo_2nd_arch_prefix)TARGET_CRTEND_SO_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_so.o 142 143$(combo_2nd_arch_prefix)TARGET_STRIP_MODULE:=true 144 145$(combo_2nd_arch_prefix)TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libm 146 147$(combo_2nd_arch_prefix)TARGET_CUSTOM_LD_COMMAND := true 148define $(combo_2nd_arch_prefix)transform-o-to-shared-lib-inner 149$(hide) $(PRIVATE_CXX) \ 150 $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \ 151 -nostdlib -Wl,-soname,$(notdir $@) \ 152 $(if $(filter true,$(PRIVATE_CLANG)),-shared,-Wl,-shared) \ 153 $(PRIVATE_TARGET_GLOBAL_LD_DIRS) \ 154 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \ 155 $(PRIVATE_ALL_OBJECTS) \ 156 -Wl,--whole-archive \ 157 $(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \ 158 -Wl,--no-whole-archive \ 159 $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \ 160 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ 161 $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \ 162 $(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \ 163 $(PRIVATE_TARGET_FDO_LIB) \ 164 $(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \ 165 -o $@ \ 166 $(PRIVATE_LDFLAGS) \ 167 $(PRIVATE_TARGET_LIBATOMIC) \ 168 $(if $(filter true,$(NATIVE_COVERAGE)),$(PRIVATE_TARGET_LIBGCOV)) \ 169 $(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \ 170 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O)) \ 171 $(PRIVATE_LDLIBS) 172endef 173 174define $(combo_2nd_arch_prefix)transform-o-to-executable-inner 175$(hide) $(PRIVATE_CXX) \ 176 $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \ 177 -nostdlib -Bdynamic \ 178 -Wl,-z,nocopyreloc \ 179 -pie \ 180 $(PRIVATE_TARGET_GLOBAL_LD_DIRS) \ 181 -Wl,-rpath-link=$(PRIVATE_TARGET_OUT_INTERMEDIATE_LIBRARIES) \ 182 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_DYNAMIC_O)) \ 183 $(PRIVATE_ALL_OBJECTS) \ 184 -Wl,--whole-archive \ 185 $(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \ 186 -Wl,--no-whole-archive \ 187 $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \ 188 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ 189 $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \ 190 $(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \ 191 $(PRIVATE_TARGET_FDO_LIB) \ 192 $(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \ 193 -o $@ \ 194 $(PRIVATE_LDFLAGS) \ 195 $(PRIVATE_TARGET_LIBATOMIC) \ 196 $(if $(filter true,$(NATIVE_COVERAGE)),$(PRIVATE_TARGET_LIBGCOV)) \ 197 $(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \ 198 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) \ 199 $(PRIVATE_LDLIBS) 200endef 201 202define $(combo_2nd_arch_prefix)transform-o-to-static-executable-inner 203$(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_FDO_LIB) \ 217 $(PRIVATE_TARGET_LIBATOMIC) \ 218 $(if $(filter true,$(NATIVE_COVERAGE)),$(PRIVATE_TARGET_LIBGCOV)) \ 219 $(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \ 220 -Wl,--end-group \ 221 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) 222endef 223