TARGET_linux-x86.mk revision b8c4a6f1f8fe11a1420278f1291482a5865e541e
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 53$(combo_2nd_arch_prefix)TARGET_CXX := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)g++ 54$(combo_2nd_arch_prefix)TARGET_AR := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)ar 55$(combo_2nd_arch_prefix)TARGET_OBJCOPY := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)objcopy 56$(combo_2nd_arch_prefix)TARGET_LD := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)ld 57$(combo_2nd_arch_prefix)TARGET_READELF := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)readelf 58$(combo_2nd_arch_prefix)TARGET_STRIP := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)strip 59$(combo_2nd_arch_prefix)TARGET_NM := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)nm 60 61define $(combo_var_prefix)transform-shared-lib-to-toc 62$(call _gen_toc_command_for_elf,$(1),$(2)) 63endef 64 65ifneq ($(wildcard $($(combo_2nd_arch_prefix)TARGET_CC)),) 66$(combo_2nd_arch_prefix)TARGET_LIBGCC := \ 67 $(shell $($(combo_2nd_arch_prefix)TARGET_CC) -m32 -print-file-name=libgcc.a) 68$(combo_2nd_arch_prefix)TARGET_LIBATOMIC := \ 69 $(shell $($(combo_2nd_arch_prefix)TARGET_CC) -m32 -print-file-name=libatomic.a) 70$(combo_2nd_arch_prefix)TARGET_LIBGCOV := \ 71 $(shell $($(combo_2nd_arch_prefix)TARGET_CC) -m32 -print-file-name=libgcov.a) 72endif 73 74$(combo_2nd_arch_prefix)TARGET_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined 75 76libc_root := bionic/libc 77libm_root := bionic/libm 78 79KERNEL_HEADERS_COMMON := $(libc_root)/kernel/uapi 80KERNEL_HEADERS_COMMON += $(libc_root)/kernel/common 81KERNEL_HEADERS_ARCH := $(libc_root)/kernel/uapi/asm-x86 # x86 covers both x86 and x86_64. 82KERNEL_HEADERS := $(KERNEL_HEADERS_COMMON) $(KERNEL_HEADERS_ARCH) 83 84$(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += \ 85 -O2 \ 86 -Wa,--noexecstack \ 87 -Werror=format-security \ 88 -D_FORTIFY_SOURCE=2 \ 89 -Wstrict-aliasing=2 \ 90 -ffunction-sections \ 91 -finline-functions \ 92 -finline-limit=300 \ 93 -fno-short-enums \ 94 -fstrict-aliasing \ 95 -funswitch-loops \ 96 -funwind-tables \ 97 -fstack-protector \ 98 -m32 \ 99 -no-canonical-prefixes \ 100 -fno-canonical-system-headers \ 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$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--build-id=md5 128$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--warn-shared-textrel 129$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--fatal-warnings 130$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--gc-sections 131$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--hash-style=gnu 132 133$(combo_2nd_arch_prefix)TARGET_C_INCLUDES := \ 134 $(libc_root)/arch-x86/include \ 135 $(libc_root)/include \ 136 $(KERNEL_HEADERS) \ 137 $(libm_root)/include \ 138 $(libm_root)/include/i387 \ 139 140$(combo_2nd_arch_prefix)TARGET_CRTBEGIN_STATIC_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_static.o 141$(combo_2nd_arch_prefix)TARGET_CRTBEGIN_DYNAMIC_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_dynamic.o 142$(combo_2nd_arch_prefix)TARGET_CRTEND_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_android.o 143 144$(combo_2nd_arch_prefix)TARGET_CRTBEGIN_SO_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_so.o 145$(combo_2nd_arch_prefix)TARGET_CRTEND_SO_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_so.o 146 147$(combo_2nd_arch_prefix)TARGET_PACK_MODULE_RELOCATIONS := true 148 149$(combo_2nd_arch_prefix)TARGET_LINKER := /system/bin/linker 150 151$(combo_2nd_arch_prefix)TARGET_GLOBAL_YASM_FLAGS := -f elf32 -m x86 152