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. 21 ifeq ($(strip $(TARGET_$(combo_2nd_arch_prefix)ARCH_VARIANT)),) 22 TARGET_$(combo_2nd_arch_prefix)ARCH_VARIANT := x86 23 endif 24 25 # Decouple NDK library selection with platform compiler version 26 $(combo_2nd_arch_prefix)TARGET_NDK_GCC_VERSION := 4.9 27 28 ifeq ($(strip $(TARGET_GCC_VERSION_EXP)),) 29 $(combo_2nd_arch_prefix)TARGET_GCC_VERSION := 4.9 30 else 31 $(combo_2nd_arch_prefix)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_$(combo_2nd_arch_prefix)ARCH)/$(TARGET_$(combo_2nd_arch_prefix)ARCH_VARIANT).mk 39 ifeq ($(strip $(wildcard $(TARGET_ARCH_SPECIFIC_MAKEFILE))),) 40 $(error Unknown $(TARGET_$(combo_2nd_arch_prefix)ARCH) architecture version: $(TARGET_$(combo_2nd_arch_prefix)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 $($(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- 50 endif 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$(HOST_EXECUTABLE_SUFFIX) 59 60 ifneq ($(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) 67 endif 68 69 $(combo_2nd_arch_prefix)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 android_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 $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += $(arch_variant_cflags) 101 102 ifeq ($(ARCH_X86_HAVE_SSSE3),true) # yes, really SSSE3, not SSE3! 103 $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -DUSE_SSSE3 -mssse3 104 endif 105 ifeq ($(ARCH_X86_HAVE_SSE4),true) 106 $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -msse4 107 endif 108 ifeq ($(ARCH_X86_HAVE_SSE4_1),true) 109 $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -msse4.1 110 endif 111 ifeq ($(ARCH_X86_HAVE_SSE4_2),true) 112 $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -msse4.2 113 endif 114 ifeq ($(ARCH_X86_HAVE_AVX),true) 115 $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -mavx 116 endif 117 ifeq ($(ARCH_X86_HAVE_AES_NI),true) 118 $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -maes 119 endif 120 121 $(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -m32 122 123 $(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,-z,noexecstack 124 $(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,-z,relro -Wl,-z,now 125 $(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--build-id=md5 126 $(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--warn-shared-textrel 127 $(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--fatal-warnings 128 $(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--gc-sections 129 $(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--hash-style=gnu 130 131 $(combo_2nd_arch_prefix)TARGET_C_INCLUDES := \ 132 $(libc_root)/arch-x86/include \ 133 $(libc_root)/include \ 134 $(KERNEL_HEADERS) \ 135 $(libm_root)/include \ 136 $(libm_root)/include/i387 \ 137 138 $(combo_2nd_arch_prefix)TARGET_CRTBEGIN_STATIC_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_static.o 139 $(combo_2nd_arch_prefix)TARGET_CRTBEGIN_DYNAMIC_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_dynamic.o 140 $(combo_2nd_arch_prefix)TARGET_CRTEND_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_android.o 141 142 $(combo_2nd_arch_prefix)TARGET_CRTBEGIN_SO_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_so.o 143 $(combo_2nd_arch_prefix)TARGET_CRTEND_SO_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_so.o 144 145 $(combo_2nd_arch_prefix)TARGET_PACK_MODULE_RELOCATIONS := true 146 147 $(combo_2nd_arch_prefix)TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libm 148 149 $(combo_2nd_arch_prefix)TARGET_LINKER := /system/bin/linker 150 151 $(combo_2nd_arch_prefix)TARGET_GLOBAL_YASM_FLAGS := -f elf32 -m x86 152
