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 $(TARGET_ARCH_VARIANT)),) 22 TARGET_ARCH_VARIANT := x86_64 23 endif 24 25 # Decouple NDK library selection with platform compiler version 26 TARGET_NDK_GCC_VERSION := 4.9 27 28 ifeq ($(strip $(TARGET_GCC_VERSION_EXP)),) 29 TARGET_GCC_VERSION := 4.9 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 TARGET_LIBGCOV := \ 66 $(shell $(TARGET_CC) -m64 -print-file-name=libgcov.a) 67 endif 68 69 TARGET_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined 70 71 libc_root := bionic/libc 72 libm_root := bionic/libm 73 74 KERNEL_HEADERS_COMMON := $(libc_root)/kernel/uapi 75 KERNEL_HEADERS_ARCH := $(libc_root)/kernel/uapi/asm-x86 # x86 covers both x86 and x86_64. 76 KERNEL_HEADERS := $(KERNEL_HEADERS_COMMON) $(KERNEL_HEADERS_ARCH) 77 78 TARGET_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. 97 TARGET_GLOBAL_CFLAGS += \ 98 -Werror=pointer-to-int-cast \ 99 -Werror=int-to-pointer-cast \ 100 -Werror=implicit-function-declaration \ 101 102 android_config_h := $(call select-android-config-h,target_linux-x86) 103 TARGET_ANDROID_CONFIG_CFLAGS := -include $(android_config_h) -I $(dir $(android_config_h)) 104 TARGET_GLOBAL_CFLAGS += $(TARGET_ANDROID_CONFIG_CFLAGS) 105 106 TARGET_GLOBAL_CFLAGS += $(arch_variant_cflags) 107 108 ifeq ($(ARCH_X86_HAVE_SSSE3),true) # yes, really SSSE3, not SSE3! 109 TARGET_GLOBAL_CFLAGS += -DUSE_SSSE3 -mssse3 110 endif 111 ifeq ($(ARCH_X86_HAVE_SSE4),true) 112 TARGET_GLOBAL_CFLAGS += -msse4 113 endif 114 ifeq ($(ARCH_X86_HAVE_SSE4_1),true) 115 TARGET_GLOBAL_CFLAGS += -msse4.1 116 endif 117 ifeq ($(ARCH_X86_HAVE_SSE4_2),true) 118 TARGET_GLOBAL_CFLAGS += -msse4.2 119 endif 120 ifeq ($(ARCH_X86_HAVE_POPCNT),true) 121 TARGET_GLOBAL_CFLAGS += -mpopcnt 122 endif 123 ifeq ($(ARCH_X86_HAVE_AVX),true) 124 TARGET_GLOBAL_CFLAGS += -mavx 125 endif 126 ifeq ($(ARCH_X86_HAVE_AES_NI),true) 127 TARGET_GLOBAL_CFLAGS += -maes 128 endif 129 130 TARGET_GLOBAL_LDFLAGS += -m64 131 132 TARGET_GLOBAL_LDFLAGS += -Wl,-z,noexecstack 133 TARGET_GLOBAL_LDFLAGS += -Wl,-z,relro -Wl,-z,now 134 TARGET_GLOBAL_LDFLAGS += -Wl,--build-id=md5 135 TARGET_GLOBAL_LDFLAGS += -Wl,--warn-shared-textrel 136 TARGET_GLOBAL_LDFLAGS += -Wl,--fatal-warnings 137 TARGET_GLOBAL_LDFLAGS += -Wl,--gc-sections 138 TARGET_GLOBAL_LDFLAGS += -Wl,--hash-style=gnu 139 140 TARGET_C_INCLUDES := \ 141 $(libc_root)/arch-x86_64/include \ 142 $(libc_root)/include \ 143 $(KERNEL_HEADERS) \ 144 $(libm_root)/include \ 145 $(libm_root)/include/amd64 \ 146 147 TARGET_CRTBEGIN_STATIC_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_static.o 148 TARGET_CRTBEGIN_DYNAMIC_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_dynamic.o 149 TARGET_CRTEND_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_android.o 150 151 TARGET_CRTBEGIN_SO_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_so.o 152 TARGET_CRTEND_SO_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_so.o 153 154 TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libm 155 156 TARGET_LINKER := /system/bin/linker64 157 158 TARGET_GLOBAL_YASM_FLAGS := -f elf64 -m amd64 159
