TARGET_linux-x86.mk revision 25671e15cc1b199ca693f95864ab93a63909a526
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) 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 75KERNEL_HEADERS_COMMON := $(libc_root)/kernel/uapi 76KERNEL_HEADERS_ARCH := $(libc_root)/kernel/uapi/asm-x86 # x86 covers both x86 and x86_64. 77KERNEL_HEADERS := $(KERNEL_HEADERS_COMMON) $(KERNEL_HEADERS_ARCH) 78 79android_config_h := $(call select-android-config-h,target_linux-x86) 80 81$(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += \ 82 -O2 \ 83 -Wa,--noexecstack \ 84 -Werror=format-security \ 85 -D_FORTIFY_SOURCE=2 \ 86 -Wstrict-aliasing=2 \ 87 -fPIC \ 88 -ffunction-sections \ 89 -finline-functions \ 90 -finline-limit=300 \ 91 -fno-inline-functions-called-once \ 92 -fno-short-enums \ 93 -fstrict-aliasing \ 94 -funswitch-loops \ 95 -funwind-tables \ 96 -fstack-protector \ 97 -m32 \ 98 -msse2 \ 99 -no-canonical-prefixes \ 100 -fno-canonical-system-headers \ 101 -include $(android_config_h) \ 102 -I $(dir $(android_config_h)) 103 104$(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += $(arch_variant_cflags) 105 106ifeq ($(ARCH_X86_HAVE_SSSE3),true) # yes, really SSSE3, not SSE3! 107 $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -DUSE_SSSE3 -mssse3 108endif 109ifeq ($(ARCH_X86_HAVE_SSE4),true) 110 $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -msse4 111endif 112ifeq ($(ARCH_X86_HAVE_SSE4_1),true) 113 $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -msse4.1 114endif 115ifeq ($(ARCH_X86_HAVE_SSE4_2),true) 116 $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -msse4.2 117endif 118ifeq ($(ARCH_X86_HAVE_AVX),true) 119 $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -mavx 120endif 121ifeq ($(ARCH_X86_HAVE_AES_NI),true) 122 $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -maes 123endif 124 125$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -m32 126 127$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,-z,noexecstack 128$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,-z,relro -Wl,-z,now 129$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--warn-shared-textrel 130$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--fatal-warnings 131$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--gc-sections 132 133$(combo_2nd_arch_prefix)TARGET_C_INCLUDES := \ 134 $(libc_root)/arch-x86/include \ 135 $(libc_root)/include \ 136 $(libstdc++_root)/include \ 137 $(KERNEL_HEADERS) \ 138 $(libm_root)/include \ 139 $(libm_root)/include/i387 \ 140 141$(combo_2nd_arch_prefix)TARGET_CRTBEGIN_STATIC_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_static.o 142$(combo_2nd_arch_prefix)TARGET_CRTBEGIN_DYNAMIC_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_dynamic.o 143$(combo_2nd_arch_prefix)TARGET_CRTEND_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_android.o 144 145$(combo_2nd_arch_prefix)TARGET_CRTBEGIN_SO_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_so.o 146$(combo_2nd_arch_prefix)TARGET_CRTEND_SO_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_so.o 147 148$(combo_2nd_arch_prefix)TARGET_STRIP_MODULE:=true 149 150$(combo_2nd_arch_prefix)TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libstdc++ libm 151 152$(combo_2nd_arch_prefix)TARGET_CUSTOM_LD_COMMAND := true 153define $(combo_2nd_arch_prefix)transform-o-to-shared-lib-inner 154$(hide) $(PRIVATE_CXX) \ 155 $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \ 156 -nostdlib -Wl,-soname,$(notdir $@) \ 157 -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 $(PRIVATE_TARGET_FDO_LIB) \ 169 $(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \ 170 -o $@ \ 171 $(PRIVATE_LDFLAGS) \ 172 $(PRIVATE_TARGET_LIBATOMIC) \ 173 $(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \ 174 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O)) \ 175 $(PRIVATE_LDLIBS) 176endef 177 178define $(combo_2nd_arch_prefix)transform-o-to-executable-inner 179$(hide) $(PRIVATE_CXX) \ 180 $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \ 181 -nostdlib -Bdynamic \ 182 -Wl,-z,nocopyreloc \ 183 -fPIE -pie \ 184 $(PRIVATE_TARGET_GLOBAL_LD_DIRS) \ 185 -Wl,-rpath-link=$(PRIVATE_TARGET_OUT_INTERMEDIATE_LIBRARIES) \ 186 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_DYNAMIC_O)) \ 187 $(PRIVATE_ALL_OBJECTS) \ 188 -Wl,--whole-archive \ 189 $(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \ 190 -Wl,--no-whole-archive \ 191 $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \ 192 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ 193 $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \ 194 $(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \ 195 $(PRIVATE_TARGET_FDO_LIB) \ 196 $(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \ 197 -o $@ \ 198 $(PRIVATE_LDFLAGS) \ 199 $(PRIVATE_TARGET_LIBATOMIC) \ 200 $(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \ 201 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) \ 202 $(PRIVATE_LDLIBS) 203endef 204 205define $(combo_2nd_arch_prefix)transform-o-to-static-executable-inner 206$(hide) $(PRIVATE_CXX) \ 207 $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \ 208 -nostdlib -Bstatic \ 209 -o $@ \ 210 $(PRIVATE_TARGET_GLOBAL_LD_DIRS) \ 211 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_STATIC_O)) \ 212 $(PRIVATE_LDFLAGS) \ 213 $(PRIVATE_ALL_OBJECTS) \ 214 -Wl,--whole-archive \ 215 $(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \ 216 -Wl,--no-whole-archive \ 217 -Wl,--start-group \ 218 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ 219 $(PRIVATE_TARGET_FDO_LIB) \ 220 $(PRIVATE_TARGET_LIBATOMIC) \ 221 $(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \ 222 -Wl,--end-group \ 223 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) 224endef 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