TARGET_linux-x86_64.mk revision 0ba68bafa3b465110d10da1a57a1843ff91b2f3a
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 $(TARGET_ARCH_VARIANT)),) 22TARGET_ARCH_VARIANT := x86_64 23endif 24 25# Decouple NDK library selection with platform compiler version 26TARGET_NDK_GCC_VERSION := 4.9 27 28ifeq ($(strip $(TARGET_GCC_VERSION_EXP)),) 29TARGET_GCC_VERSION := 4.9 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# Work around gcc 4.9 devirtualization bug, https://b.corp.google.com/19872411. 97TARGET_GLOBAL_CFLAGS += \ 98 -fno-devirtualize \ 99 100# Help catch common 32/64-bit errors. 101TARGET_GLOBAL_CFLAGS += \ 102 -Werror=pointer-to-int-cast \ 103 -Werror=int-to-pointer-cast \ 104 -Werror=implicit-function-declaration \ 105 106android_config_h := $(call select-android-config-h,target_linux-x86) 107TARGET_ANDROID_CONFIG_CFLAGS := -include $(android_config_h) -I $(dir $(android_config_h)) 108TARGET_GLOBAL_CFLAGS += $(TARGET_ANDROID_CONFIG_CFLAGS) 109 110TARGET_GLOBAL_CFLAGS += $(arch_variant_cflags) 111 112ifeq ($(ARCH_X86_HAVE_SSSE3),true) # yes, really SSSE3, not SSE3! 113 TARGET_GLOBAL_CFLAGS += -DUSE_SSSE3 -mssse3 114endif 115ifeq ($(ARCH_X86_HAVE_SSE4),true) 116 TARGET_GLOBAL_CFLAGS += -msse4 117endif 118ifeq ($(ARCH_X86_HAVE_SSE4_1),true) 119 TARGET_GLOBAL_CFLAGS += -msse4.1 120endif 121ifeq ($(ARCH_X86_HAVE_SSE4_2),true) 122 TARGET_GLOBAL_CFLAGS += -msse4.2 123endif 124ifeq ($(ARCH_X86_HAVE_POPCNT),true) 125 TARGET_GLOBAL_CFLAGS += -mpopcnt 126endif 127ifeq ($(ARCH_X86_HAVE_AVX),true) 128 TARGET_GLOBAL_CFLAGS += -mavx 129endif 130ifeq ($(ARCH_X86_HAVE_AES_NI),true) 131 TARGET_GLOBAL_CFLAGS += -maes 132endif 133 134TARGET_GLOBAL_LDFLAGS += -m64 135 136TARGET_GLOBAL_LDFLAGS += -Wl,-z,noexecstack 137TARGET_GLOBAL_LDFLAGS += -Wl,-z,relro -Wl,-z,now 138TARGET_GLOBAL_LDFLAGS += -Wl,--build-id=md5 139TARGET_GLOBAL_LDFLAGS += -Wl,--warn-shared-textrel 140TARGET_GLOBAL_LDFLAGS += -Wl,--fatal-warnings 141TARGET_GLOBAL_LDFLAGS += -Wl,--gc-sections 142TARGET_GLOBAL_LDFLAGS += -Wl,--hash-style=gnu 143 144TARGET_C_INCLUDES := \ 145 $(libc_root)/arch-x86_64/include \ 146 $(libc_root)/include \ 147 $(KERNEL_HEADERS) \ 148 $(libm_root)/include \ 149 $(libm_root)/include/amd64 \ 150 151TARGET_CRTBEGIN_STATIC_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_static.o 152TARGET_CRTBEGIN_DYNAMIC_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_dynamic.o 153TARGET_CRTEND_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_android.o 154 155TARGET_CRTBEGIN_SO_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_so.o 156TARGET_CRTEND_SO_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_so.o 157 158TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libm 159 160TARGET_LINKER := /system/bin/linker64 161 162TARGET_GLOBAL_YASM_FLAGS := -f elf64 -m amd64 163