TARGET_linux-x86.mk revision 908ab54fda172baa9a646259fafd8af35290f0a6
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) 65endif 66 67$(combo_2nd_arch_prefix)TARGET_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined 68 69libc_root := bionic/libc 70libm_root := bionic/libm 71libstdc++_root := bionic/libstdc++ 72 73KERNEL_HEADERS_COMMON := $(libc_root)/kernel/uapi 74KERNEL_HEADERS_ARCH := $(libc_root)/kernel/uapi/asm-x86 # x86 covers both x86 and x86_64. 75KERNEL_HEADERS := $(KERNEL_HEADERS_COMMON) $(KERNEL_HEADERS_ARCH) 76 77android_config_h := $(call select-android-config-h,target_linux-x86) 78 79$(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += \ 80 -O2 \ 81 -Wa,--noexecstack \ 82 -Werror=format-security \ 83 -D_FORTIFY_SOURCE=2 \ 84 -Wstrict-aliasing=2 \ 85 -fPIC \ 86 -ffunction-sections \ 87 -finline-functions \ 88 -finline-limit=300 \ 89 -fno-inline-functions-called-once \ 90 -fno-short-enums \ 91 -fstrict-aliasing \ 92 -funswitch-loops \ 93 -funwind-tables \ 94 -fstack-protector \ 95 -m32 \ 96 -msse2 \ 97 -no-canonical-prefixes \ 98 -fno-canonical-system-headers \ 99 -include $(android_config_h) \ 100 -I $(dir $(android_config_h)) 101 102$(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += $(arch_variant_cflags) 103 104ifeq ($(ARCH_X86_HAVE_SSSE3),true) # yes, really SSSE3, not SSE3! 105 $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -DUSE_SSSE3 -mssse3 106endif 107ifeq ($(ARCH_X86_HAVE_SSE4),true) 108 $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -msse4 109endif 110ifeq ($(ARCH_X86_HAVE_SSE4_1),true) 111 $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -msse4.1 112endif 113ifeq ($(ARCH_X86_HAVE_SSE4_2),true) 114 $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -msse4.2 115endif 116ifeq ($(ARCH_X86_HAVE_AVX),true) 117 $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -mavx 118endif 119ifeq ($(ARCH_X86_HAVE_AES_NI),true) 120 $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -maes 121endif 122 123$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -m32 124 125$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,-z,noexecstack 126$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,-z,relro -Wl,-z,now 127$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--warn-shared-textrel 128$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--fatal-warnings 129$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--gc-sections 130 131$(combo_2nd_arch_prefix)TARGET_C_INCLUDES := \ 132 $(libc_root)/arch-x86/include \ 133 $(libc_root)/include \ 134 $(libstdc++_root)/include \ 135 $(KERNEL_HEADERS) \ 136 $(libm_root)/include \ 137 $(libm_root)/include/i387 \ 138 139$(combo_2nd_arch_prefix)TARGET_CRTBEGIN_STATIC_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_static.o 140$(combo_2nd_arch_prefix)TARGET_CRTBEGIN_DYNAMIC_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_dynamic.o 141$(combo_2nd_arch_prefix)TARGET_CRTEND_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_android.o 142 143$(combo_2nd_arch_prefix)TARGET_CRTBEGIN_SO_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_so.o 144$(combo_2nd_arch_prefix)TARGET_CRTEND_SO_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_so.o 145 146$(combo_2nd_arch_prefix)TARGET_STRIP_MODULE:=true 147 148$(combo_2nd_arch_prefix)TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libstdc++ libm 149 150$(combo_2nd_arch_prefix)TARGET_CUSTOM_LD_COMMAND := true 151define $(combo_2nd_arch_prefix)transform-o-to-shared-lib-inner 152$(hide) $(PRIVATE_CXX) \ 153 $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \ 154 -nostdlib -Wl,-soname,$(notdir $@) \ 155 -shared \ 156 $(PRIVATE_TARGET_GLOBAL_LD_DIRS) \ 157 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \ 158 $(PRIVATE_ALL_OBJECTS) \ 159 -Wl,--whole-archive \ 160 $(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \ 161 -Wl,--no-whole-archive \ 162 $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \ 163 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ 164 $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \ 165 $(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \ 166 $(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \ 167 -o $@ \ 168 $(PRIVATE_LDFLAGS) \ 169 $(PRIVATE_TARGET_LIBATOMIC) \ 170 $(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \ 171 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O)) \ 172 $(PRIVATE_LDLIBS) 173endef 174 175define $(combo_2nd_arch_prefix)transform-o-to-executable-inner 176$(hide) $(PRIVATE_CXX) \ 177 $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \ 178 -nostdlib -Bdynamic \ 179 -Wl,-z,nocopyreloc \ 180 -pie \ 181 $(PRIVATE_TARGET_GLOBAL_LD_DIRS) \ 182 -Wl,-rpath-link=$(PRIVATE_TARGET_OUT_INTERMEDIATE_LIBRARIES) \ 183 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_DYNAMIC_O)) \ 184 $(PRIVATE_ALL_OBJECTS) \ 185 -Wl,--whole-archive \ 186 $(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \ 187 -Wl,--no-whole-archive \ 188 $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \ 189 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ 190 $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \ 191 $(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \ 192 $(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \ 193 -o $@ \ 194 $(PRIVATE_LDFLAGS) \ 195 $(PRIVATE_TARGET_LIBATOMIC) \ 196 $(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \ 197 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) \ 198 $(PRIVATE_LDLIBS) 199endef 200 201define $(combo_2nd_arch_prefix)transform-o-to-static-executable-inner 202$(hide) $(PRIVATE_CXX) \ 203 $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \ 204 -nostdlib -Bstatic \ 205 -o $@ \ 206 $(PRIVATE_TARGET_GLOBAL_LD_DIRS) \ 207 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_STATIC_O)) \ 208 $(PRIVATE_LDFLAGS) \ 209 $(PRIVATE_ALL_OBJECTS) \ 210 -Wl,--whole-archive \ 211 $(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \ 212 -Wl,--no-whole-archive \ 213 -Wl,--start-group \ 214 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ 215 $(PRIVATE_TARGET_LIBATOMIC) \ 216 $(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \ 217 -Wl,--end-group \ 218 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) 219endef 220