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platform_build/core/combo/TARGET_linux-x86.mk
Pavel Chupin fde3c16420 Remove explicit passing of dynamic loader name 
We should trust toolchain on that.

Change-Id: I20dd882d167cc84c262aef245ea2d86c17bc1785
Signed-off-by: Pavel Chupin <pavel.v.chupin@intel.com>
2013-10-08 11:35:39 +04:00

278 lines
9.4 KiB
Makefile
Executable file
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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 $(TARGET_ARCH_VARIANT)),)
TARGET_ARCH_VARIANT := x86
endif
ifeq ($(strip $(TARGET_GCC_VERSION_EXP)),)
TARGET_GCC_VERSION := 4.7
else
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_ARCH)/$(TARGET_ARCH_VARIANT).mk
ifeq ($(strip $(wildcard $(TARGET_ARCH_SPECIFIC_MAKEFILE))),)
$(error Unknown $(TARGET_ARCH) architecture version: $(TARGET_ARCH_VARIANT))
endif
include $(TARGET_ARCH_SPECIFIC_MAKEFILE)
# You can set TARGET_TOOLS_PREFIX to get gcc from somewhere else
ifeq ($(strip $(TARGET_TOOLS_PREFIX)),)
TARGET_TOOLCHAIN_ROOT := prebuilts/gcc/$(HOST_PREBUILT_TAG)/x86/x86_64-linux-android-$(TARGET_GCC_VERSION)
TARGET_TOOLS_PREFIX := $(TARGET_TOOLCHAIN_ROOT)/bin/x86_64-linux-android-
endif
TARGET_CC := $(TARGET_TOOLS_PREFIX)gcc$(HOST_EXECUTABLE_SUFFIX)
TARGET_CXX := $(TARGET_TOOLS_PREFIX)g++$(HOST_EXECUTABLE_SUFFIX)
TARGET_AR := $(TARGET_TOOLS_PREFIX)ar$(HOST_EXECUTABLE_SUFFIX)
TARGET_OBJCOPY := $(TARGET_TOOLS_PREFIX)objcopy$(HOST_EXECUTABLE_SUFFIX)
TARGET_LD := $(TARGET_TOOLS_PREFIX)ld$(HOST_EXECUTABLE_SUFFIX)
TARGET_STRIP := $(TARGET_TOOLS_PREFIX)strip$(HOST_EXECUTABLE_SUFFIX)
ifeq ($(TARGET_BUILD_VARIANT),user)
TARGET_STRIP_COMMAND = $(TARGET_STRIP) --strip-debug $< -o $@
else
TARGET_STRIP_COMMAND = $(TARGET_STRIP) --strip-debug $< -o $@ && \
$(TARGET_OBJCOPY) --add-gnu-debuglink=$< $@
endif
ifneq ($(wildcard $(TARGET_CC)),)
TARGET_LIBGCC := \
$(shell $(TARGET_CC) -m32 -print-file-name=libgcc.a)
target_libgcov := $(shell $(TARGET_CC) $(TARGET_GLOBAL_CFLAGS) \
-print-file-name=libgcov.a)
endif
TARGET_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined
libc_root := bionic/libc
libm_root := bionic/libm
libstdc++_root := bionic/libstdc++
libthread_db_root := bionic/libthread_db
# Define FDO (Feedback Directed Optimization) options.
TARGET_FDO_CFLAGS:=
TARGET_FDO_LIB:=
ifneq ($(strip $(BUILD_FDO_INSTRUMENT)),)
# Set BUILD_FDO_INSTRUMENT=true to turn on FDO instrumentation.
# The profile will be generated on /data/local/tmp/profile on the device.
TARGET_FDO_CFLAGS := -fprofile-generate=/data/local/tmp/profile -DANDROID_FDO
TARGET_FDO_LIB := $(target_libgcov)
else
# If BUILD_FDO_INSTRUMENT is turned off, then consider doing the FDO optimizations.
# Set TARGET_FDO_PROFILE_PATH to set a custom profile directory for your build.
ifeq ($(strip $(TARGET_FDO_PROFILE_PATH)),)
TARGET_FDO_PROFILE_PATH := fdo/profiles/$(TARGET_ARCH)/$(TARGET_ARCH_VARIANT)
else
ifeq ($(strip $(wildcard $(TARGET_FDO_PROFILE_PATH))),)
$(warning Custom TARGET_FDO_PROFILE_PATH supplied, but directory does not exist. Turn off FDO.)
endif
endif
# If the FDO profile directory can't be found, then FDO is off.
ifneq ($(strip $(wildcard $(TARGET_FDO_PROFILE_PATH))),)
TARGET_FDO_CFLAGS := -fprofile-use=$(TARGET_FDO_PROFILE_PATH) -DANDROID_FDO
TARGET_FDO_LIB := $(target_libgcov)
endif
endif
# unless CUSTOM_KERNEL_HEADERS is defined, we're going to use
# symlinks located in out/ to point to the appropriate kernel
# headers. see 'config/kernel_headers.make' for more details
#
ifneq ($(CUSTOM_KERNEL_HEADERS),)
KERNEL_HEADERS_COMMON := $(CUSTOM_KERNEL_HEADERS)
KERNEL_HEADERS_ARCH := $(CUSTOM_KERNEL_HEADERS)
else
KERNEL_HEADERS_COMMON := $(libc_root)/kernel/common
KERNEL_HEADERS_ARCH := $(libc_root)/kernel/arch-$(TARGET_ARCH)
endif
KERNEL_HEADERS := $(KERNEL_HEADERS_COMMON) $(KERNEL_HEADERS_ARCH)
TARGET_GLOBAL_CFLAGS += \
-O2 \
-Ulinux \
-Wa,--noexecstack \
-Werror=format-security \
-D_FORTIFY_SOURCE=2 \
-Wstrict-aliasing=2 \
-fPIC -fPIE \
-ffunction-sections \
-finline-functions \
-finline-limit=300 \
-fno-inline-functions-called-once \
-fno-short-enums \
-fstrict-aliasing \
-funswitch-loops \
-funwind-tables \
-fstack-protector \
-m32
android_config_h := $(call select-android-config-h,target_linux-x86)
TARGET_ANDROID_CONFIG_CFLAGS := -include $(android_config_h) -I $(dir $(android_config_h))
TARGET_GLOBAL_CFLAGS += $(TARGET_ANDROID_CONFIG_CFLAGS)
# XXX: Not sure this is still needed. Must check with our toolchains.
TARGET_GLOBAL_CPPFLAGS += \
-fno-use-cxa-atexit
TARGET_GLOBAL_CFLAGS += $(arch_variant_cflags)
TARGET_GLOBAL_CFLAGS += -mmmx
TARGET_GLOBAL_CFLAGS += -msse
TARGET_GLOBAL_CFLAGS += -DUSE_SSE2 -msse2
TARGET_GLOBAL_CFLAGS += -msse3
ifeq ($(ARCH_X86_HAVE_SSSE3),true) # yes, really SSSE3, not SSE3!
TARGET_GLOBAL_CFLAGS += -DUSE_SSSE3 -mssse3
endif
ifeq ($(ARCH_X86_HAVE_SSE4),true)
TARGET_GLOBAL_CFLAGS += -msse4
endif
ifeq ($(ARCH_X86_HAVE_SSE4_1),true)
TARGET_GLOBAL_CFLAGS += -msse4.1
endif
ifeq ($(ARCH_X86_HAVE_SSE4_2),true)
TARGET_GLOBAL_CFLAGS += -msse4.2
endif
ifeq ($(ARCH_X86_HAVE_AVX),true)
TARGET_GLOBAL_CFLAGS += -mavx
endif
ifeq ($(ARCH_X86_HAVE_AES_NI),true)
TARGET_GLOBAL_CFLAGS += -maes
endif
# XXX: This flag is probably redundant. I believe our toolchain always sets
# it by default. Consider for removal.
#
TARGET_GLOBAL_CFLAGS += -mbionic
# XXX: This flag is probably redundant. The macro should be defined by our
# toolchain binaries automatically (as a compiler built-in).
# Check with: $BINPREFIX-gcc -dM -E < /dev/null
#
# Consider for removal.
#
TARGET_GLOBAL_CFLAGS += -D__ANDROID__
TARGET_GLOBAL_LDFLAGS += -m32
TARGET_GLOBAL_LDFLAGS += -Wl,-z,noexecstack
TARGET_GLOBAL_LDFLAGS += -Wl,-z,relro -Wl,-z,now
TARGET_GLOBAL_LDFLAGS += -Wl,--warn-shared-textrel
TARGET_GLOBAL_LDFLAGS += -Wl,--gc-sections
TARGET_C_INCLUDES := \
$(libc_root)/arch-x86/include \
$(libc_root)/include \
$(libstdc++_root)/include \
$(KERNEL_HEADERS) \
$(libm_root)/include \
$(libm_root)/include/i387 \
$(libthread_db_root)/include
TARGET_CRTBEGIN_STATIC_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_static.o
TARGET_CRTBEGIN_DYNAMIC_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_dynamic.o
TARGET_CRTEND_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_android.o
TARGET_CRTBEGIN_SO_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_so.o
TARGET_CRTEND_SO_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_so.o
TARGET_STRIP_MODULE:=true
TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libstdc++ libm
TARGET_CUSTOM_LD_COMMAND := true
define transform-o-to-shared-lib-inner
$(hide) $(PRIVATE_CXX) \
$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
-nostdlib -Wl,-soname,$(notdir $@) \
-shared -Bsymbolic \
$(TARGET_GLOBAL_CFLAGS) \
$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \
$(PRIVATE_ALL_OBJECTS) \
-Wl,--whole-archive \
$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
-Wl,--no-whole-archive \
$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
$(PRIVATE_TARGET_LIBGCC) \
$(PRIVATE_TARGET_FDO_LIB) \
$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
-o $@ \
$(PRIVATE_LDFLAGS) \
$(PRIVATE_TARGET_LIBGCC) \
$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O))
endef
define transform-o-to-executable-inner
$(hide) $(PRIVATE_CXX) \
$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
-nostdlib -Bdynamic \
-Wl,-z,nocopyreloc \
-fPIE -pie \
$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
-Wl,-rpath-link=$(TARGET_OUT_INTERMEDIATE_LIBRARIES) \
$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_DYNAMIC_O)) \
$(PRIVATE_ALL_OBJECTS) \
-Wl,--whole-archive \
$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
-Wl,--no-whole-archive \
$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
$(PRIVATE_TARGET_LIBGCC) \
$(PRIVATE_TARGET_FDO_LIB) \
$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
-o $@ \
$(PRIVATE_LDFLAGS) \
$(PRIVATE_TARGET_LIBGCC) \
$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O))
endef
define transform-o-to-static-executable-inner
$(hide) $(PRIVATE_CXX) \
$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
-nostdlib -Bstatic \
-o $@ \
$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_STATIC_O)) \
$(PRIVATE_LDFLAGS) \
$(PRIVATE_ALL_OBJECTS) \
-Wl,--whole-archive \
$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
-Wl,--no-whole-archive \
-Wl,--start-group \
$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
$(PRIVATE_TARGET_FDO_LIB) \
$(PRIVATE_TARGET_LIBGCC) \
-Wl,--end-group \
$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O))
endef
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