TARGET_linux-x86.mk revision 90036610ddfe0455553a1b46bb8adbeafde0cac1
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 := 4.9 27 28ifeq ($(strip $(TARGET_GCC_VERSION_EXP)),) 29$(combo_2nd_arch_prefix)TARGET_GCC_VERSION := 4.9 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 $(android_config_h)) 99 100# Work around gcc 4.9 devirtualization bug, https://b.corp.google.com/19872411. 101$(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += \ 102 -fno-devirtualize \ 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$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--build-id=md5 130$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--warn-shared-textrel 131$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--fatal-warnings 132$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--gc-sections 133$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--hash-style=gnu 134 135$(combo_2nd_arch_prefix)TARGET_C_INCLUDES := \ 136 $(libc_root)/arch-x86/include \ 137 $(libc_root)/include \ 138 $(KERNEL_HEADERS) \ 139 $(libm_root)/include \ 140 $(libm_root)/include/i387 \ 141 142$(combo_2nd_arch_prefix)TARGET_CRTBEGIN_STATIC_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_static.o 143$(combo_2nd_arch_prefix)TARGET_CRTBEGIN_DYNAMIC_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_dynamic.o 144$(combo_2nd_arch_prefix)TARGET_CRTEND_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_android.o 145 146$(combo_2nd_arch_prefix)TARGET_CRTBEGIN_SO_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_so.o 147$(combo_2nd_arch_prefix)TARGET_CRTEND_SO_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_so.o 148 149$(combo_2nd_arch_prefix)TARGET_PACK_MODULE_RELOCATIONS := true 150 151$(combo_2nd_arch_prefix)TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libm 152 153$(combo_2nd_arch_prefix)TARGET_LINKER := /system/bin/linker 154 155$(combo_2nd_arch_prefix)TARGET_GLOBAL_YASM_FLAGS := -f elf32 -m x86 156