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#
# Copyright (C) 2006 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# Configuration for Linux on x86 as a target.
# Included by combo/select.mk
# Provide a default variant.
ifeq ($(strip $(TARGET_$(combo_2nd_arch_prefix)ARCH_VARIANT)),)
TARGET_$(combo_2nd_arch_prefix)ARCH_VARIANT := x86
endif
# Decouple NDK library selection with platform compiler version
$(combo_2nd_arch_prefix)TARGET_NDK_GCC_VERSION := 4.9
ifeq ($(strip $(TARGET_GCC_VERSION_EXP)),)
$(combo_2nd_arch_prefix)TARGET_GCC_VERSION := 4.9
else
$(combo_2nd_arch_prefix)TARGET_GCC_VERSION := $(TARGET_GCC_VERSION_EXP)
endif
# Include the arch-variant-specific configuration file.
# Its role is to define various ARCH_X86_HAVE_XXX feature macros,
# plus initial values for TARGET_GLOBAL_CFLAGS
#
TARGET_ARCH_SPECIFIC_MAKEFILE := $(BUILD_COMBOS)/arch/$(TARGET_$(combo_2nd_arch_prefix)ARCH)/$(TARGET_$(combo_2nd_arch_prefix)ARCH_VARIANT).mk
ifeq ($(strip $(wildcard $(TARGET_ARCH_SPECIFIC_MAKEFILE))),)
$(error Unknown $(TARGET_$(combo_2nd_arch_prefix)ARCH) architecture version: $(TARGET_$(combo_2nd_arch_prefix)ARCH_VARIANT))
endif
include $(TARGET_ARCH_SPECIFIC_MAKEFILE)
include $(BUILD_SYSTEM)/combo/fdo.mk
# You can set TARGET_TOOLS_PREFIX to get gcc from somewhere else
ifeq ($(strip $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)),)
$(combo_2nd_arch_prefix)TARGET_TOOLCHAIN_ROOT := prebuilts/gcc/$(HOST_PREBUILT_TAG)/x86/x86_64-linux-android-$($(combo_2nd_arch_prefix)TARGET_GCC_VERSION)
$(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX := $($(combo_2nd_arch_prefix)TARGET_TOOLCHAIN_ROOT)/bin/x86_64-linux-android-
endif
$(combo_2nd_arch_prefix)TARGET_CC := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)gcc$(HOST_EXECUTABLE_SUFFIX)
$(combo_2nd_arch_prefix)TARGET_CXX := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)g++$(HOST_EXECUTABLE_SUFFIX)
$(combo_2nd_arch_prefix)TARGET_AR := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)ar$(HOST_EXECUTABLE_SUFFIX)
$(combo_2nd_arch_prefix)TARGET_OBJCOPY := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)objcopy$(HOST_EXECUTABLE_SUFFIX)
$(combo_2nd_arch_prefix)TARGET_LD := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)ld$(HOST_EXECUTABLE_SUFFIX)
$(combo_2nd_arch_prefix)TARGET_READELF := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)readelf$(HOST_EXECUTABLE_SUFFIX)
$(combo_2nd_arch_prefix)TARGET_STRIP := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)strip$(HOST_EXECUTABLE_SUFFIX)
ifneq ($(wildcard $($(combo_2nd_arch_prefix)TARGET_CC)),)
$(combo_2nd_arch_prefix)TARGET_LIBGCC := \
$(shell $($(combo_2nd_arch_prefix)TARGET_CC) -m32 -print-file-name=libgcc.a)
$(combo_2nd_arch_prefix)TARGET_LIBATOMIC := \
$(shell $($(combo_2nd_arch_prefix)TARGET_CC) -m32 -print-file-name=libatomic.a)
$(combo_2nd_arch_prefix)TARGET_LIBGCOV := \
$(shell $($(combo_2nd_arch_prefix)TARGET_CC) -m32 -print-file-name=libgcov.a)
endif
$(combo_2nd_arch_prefix)TARGET_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined
libc_root := bionic/libc
libm_root := bionic/libm
KERNEL_HEADERS_COMMON := $(libc_root)/kernel/uapi
KERNEL_HEADERS_ARCH := $(libc_root)/kernel/uapi/asm-x86 # x86 covers both x86 and x86_64.
KERNEL_HEADERS := $(KERNEL_HEADERS_COMMON) $(KERNEL_HEADERS_ARCH)
android_config_h := $(call select-android-config-h,target_linux-x86)
$(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += \
-O2 \
-Wa,--noexecstack \
-Werror=format-security \
-D_FORTIFY_SOURCE=2 \
-Wstrict-aliasing=2 \
-ffunction-sections \
-finline-functions \
-finline-limit=300 \
-fno-short-enums \
-fstrict-aliasing \
-funswitch-loops \
-funwind-tables \
-fstack-protector \
-m32 \
-no-canonical-prefixes \
-fno-canonical-system-headers \
-include $(android_config_h) \
-I $(dir $(android_config_h))
$(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += $(arch_variant_cflags)
ifeq ($(ARCH_X86_HAVE_SSSE3),true) # yes, really SSSE3, not SSE3!
$(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -DUSE_SSSE3 -mssse3
endif
ifeq ($(ARCH_X86_HAVE_SSE4),true)
$(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -msse4
endif
ifeq ($(ARCH_X86_HAVE_SSE4_1),true)
$(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -msse4.1
endif
ifeq ($(ARCH_X86_HAVE_SSE4_2),true)
$(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -msse4.2
endif
ifeq ($(ARCH_X86_HAVE_AVX),true)
$(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -mavx
endif
ifeq ($(ARCH_X86_HAVE_AES_NI),true)
$(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -maes
endif
$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -m32
$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,-z,noexecstack
$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,-z,relro -Wl,-z,now
$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--build-id=md5
$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--warn-shared-textrel
$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--fatal-warnings
$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--gc-sections
$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--hash-style=gnu
$(combo_2nd_arch_prefix)TARGET_C_INCLUDES := \
$(libc_root)/arch-x86/include \
$(libc_root)/include \
$(KERNEL_HEADERS) \
$(libm_root)/include \
$(libm_root)/include/i387 \
$(combo_2nd_arch_prefix)TARGET_CRTBEGIN_STATIC_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_static.o
$(combo_2nd_arch_prefix)TARGET_CRTBEGIN_DYNAMIC_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_dynamic.o
$(combo_2nd_arch_prefix)TARGET_CRTEND_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_android.o
$(combo_2nd_arch_prefix)TARGET_CRTBEGIN_SO_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_so.o
$(combo_2nd_arch_prefix)TARGET_CRTEND_SO_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_so.o
$(combo_2nd_arch_prefix)TARGET_PACK_MODULE_RELOCATIONS := true
$(combo_2nd_arch_prefix)TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libm
$(combo_2nd_arch_prefix)TARGET_LINKER := /system/bin/linker
$(combo_2nd_arch_prefix)TARGET_GLOBAL_YASM_FLAGS := -f elf32 -m x86
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