259 lines
8.8 KiB
Makefile
Executable file
259 lines
8.8 KiB
Makefile
Executable file
#
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# Copyright (C) 2006 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# Configuration for Linux on x86 as a target.
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# Included by combo/select.mk
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# Provide a default variant.
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ifeq ($(strip $(TARGET_ARCH_VARIANT)),)
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TARGET_ARCH_VARIANT := x86
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endif
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ifeq ($(strip $(TARGET_GCC_VERSION_EXP)),)
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TARGET_GCC_VERSION := 4.8
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else
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TARGET_GCC_VERSION := $(TARGET_GCC_VERSION_EXP)
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endif
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# Include the arch-variant-specific configuration file.
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# Its role is to define various ARCH_X86_HAVE_XXX feature macros,
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# plus initial values for TARGET_GLOBAL_CFLAGS
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#
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TARGET_ARCH_SPECIFIC_MAKEFILE := $(BUILD_COMBOS)/arch/$(TARGET_ARCH)/$(TARGET_ARCH_VARIANT).mk
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ifeq ($(strip $(wildcard $(TARGET_ARCH_SPECIFIC_MAKEFILE))),)
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$(error Unknown $(TARGET_ARCH) architecture version: $(TARGET_ARCH_VARIANT))
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endif
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include $(TARGET_ARCH_SPECIFIC_MAKEFILE)
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# You can set TARGET_TOOLS_PREFIX to get gcc from somewhere else
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ifeq ($(strip $(TARGET_TOOLS_PREFIX)),)
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TARGET_TOOLCHAIN_ROOT := prebuilts/gcc/$(HOST_PREBUILT_TAG)/x86/x86_64-linux-android-$(TARGET_GCC_VERSION)
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TARGET_TOOLS_PREFIX := $(TARGET_TOOLCHAIN_ROOT)/bin/x86_64-linux-android-
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endif
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TARGET_CC := $(TARGET_TOOLS_PREFIX)gcc$(HOST_EXECUTABLE_SUFFIX)
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TARGET_CXX := $(TARGET_TOOLS_PREFIX)g++$(HOST_EXECUTABLE_SUFFIX)
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TARGET_AR := $(TARGET_TOOLS_PREFIX)ar$(HOST_EXECUTABLE_SUFFIX)
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TARGET_OBJCOPY := $(TARGET_TOOLS_PREFIX)objcopy$(HOST_EXECUTABLE_SUFFIX)
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TARGET_LD := $(TARGET_TOOLS_PREFIX)ld$(HOST_EXECUTABLE_SUFFIX)
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TARGET_STRIP := $(TARGET_TOOLS_PREFIX)strip$(HOST_EXECUTABLE_SUFFIX)
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ifeq ($(TARGET_BUILD_VARIANT),user)
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TARGET_STRIP_COMMAND = $(TARGET_STRIP) --strip-debug $< -o $@
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else
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TARGET_STRIP_COMMAND = $(TARGET_STRIP) --strip-debug $< -o $@ && \
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$(TARGET_OBJCOPY) --add-gnu-debuglink=$< $@
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endif
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ifneq ($(wildcard $(TARGET_CC)),)
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TARGET_LIBGCC := \
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$(shell $(TARGET_CC) -m32 -print-file-name=libgcc.a)
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target_libgcov := $(shell $(TARGET_CC) $(TARGET_GLOBAL_CFLAGS) \
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-print-file-name=libgcov.a)
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endif
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TARGET_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined
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libc_root := bionic/libc
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libm_root := bionic/libm
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libstdc++_root := bionic/libstdc++
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libthread_db_root := bionic/libthread_db
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# Define FDO (Feedback Directed Optimization) options.
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TARGET_FDO_CFLAGS:=
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TARGET_FDO_LIB:=
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ifneq ($(strip $(BUILD_FDO_INSTRUMENT)),)
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# Set BUILD_FDO_INSTRUMENT=true to turn on FDO instrumentation.
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# The profile will be generated on /data/local/tmp/profile on the device.
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TARGET_FDO_CFLAGS := -fprofile-generate=/data/local/tmp/profile -DANDROID_FDO
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TARGET_FDO_LIB := $(target_libgcov)
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else
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# If BUILD_FDO_INSTRUMENT is turned off, then consider doing the FDO optimizations.
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# Set TARGET_FDO_PROFILE_PATH to set a custom profile directory for your build.
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ifeq ($(strip $(TARGET_FDO_PROFILE_PATH)),)
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TARGET_FDO_PROFILE_PATH := fdo/profiles/$(TARGET_ARCH)/$(TARGET_ARCH_VARIANT)
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else
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ifeq ($(strip $(wildcard $(TARGET_FDO_PROFILE_PATH))),)
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$(warning Custom TARGET_FDO_PROFILE_PATH supplied, but directory does not exist. Turn off FDO.)
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endif
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endif
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# If the FDO profile directory can't be found, then FDO is off.
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ifneq ($(strip $(wildcard $(TARGET_FDO_PROFILE_PATH))),)
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TARGET_FDO_CFLAGS := -fprofile-use=$(TARGET_FDO_PROFILE_PATH) -DANDROID_FDO
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TARGET_FDO_LIB := $(target_libgcov)
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endif
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endif
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# unless CUSTOM_KERNEL_HEADERS is defined, we're going to use
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# symlinks located in out/ to point to the appropriate kernel
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# headers. see 'config/kernel_headers.make' for more details
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#
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ifneq ($(CUSTOM_KERNEL_HEADERS),)
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KERNEL_HEADERS_COMMON := $(CUSTOM_KERNEL_HEADERS)
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KERNEL_HEADERS_ARCH := $(CUSTOM_KERNEL_HEADERS)
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else
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KERNEL_HEADERS_COMMON := $(libc_root)/kernel/uapi
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KERNEL_HEADERS_ARCH := $(libc_root)/kernel/uapi/asm-$(TARGET_ARCH)
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KERNEL_HEADERS_AUX := $(libc_root)/kernel/common
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endif
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KERNEL_HEADERS := $(KERNEL_HEADERS_COMMON) $(KERNEL_HEADERS_ARCH) $(KERNEL_HEADERS_AUX)
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android_config_h := $(call select-android-config-h,target_linux-x86)
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TARGET_GLOBAL_CFLAGS += \
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-O2 \
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-Ulinux \
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-Wa,--noexecstack \
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-Werror=format-security \
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-D_FORTIFY_SOURCE=2 \
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-Wstrict-aliasing=2 \
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-fPIC -fPIE \
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-ffunction-sections \
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-finline-functions \
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-finline-limit=300 \
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-fno-inline-functions-called-once \
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-fno-short-enums \
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-fstrict-aliasing \
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-funswitch-loops \
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-funwind-tables \
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-fstack-protector \
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-m32 \
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-include $(android_config_h) \
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-I $(dir $(android_config_h))
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TARGET_GLOBAL_CFLAGS += $(arch_variant_cflags)
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ifeq ($(ARCH_X86_HAVE_SSSE3),true) # yes, really SSSE3, not SSE3!
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TARGET_GLOBAL_CFLAGS += -DUSE_SSSE3 -mssse3
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endif
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ifeq ($(ARCH_X86_HAVE_SSE4),true)
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TARGET_GLOBAL_CFLAGS += -msse4
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endif
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ifeq ($(ARCH_X86_HAVE_SSE4_1),true)
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TARGET_GLOBAL_CFLAGS += -msse4.1
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endif
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ifeq ($(ARCH_X86_HAVE_SSE4_2),true)
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TARGET_GLOBAL_CFLAGS += -msse4.2
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endif
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ifeq ($(ARCH_X86_HAVE_AVX),true)
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TARGET_GLOBAL_CFLAGS += -mavx
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endif
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ifeq ($(ARCH_X86_HAVE_AES_NI),true)
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TARGET_GLOBAL_CFLAGS += -maes
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endif
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TARGET_GLOBAL_LDFLAGS += -m32
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TARGET_GLOBAL_LDFLAGS += -Wl,-z,noexecstack
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TARGET_GLOBAL_LDFLAGS += -Wl,-z,relro -Wl,-z,now
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TARGET_GLOBAL_LDFLAGS += -Wl,--warn-shared-textrel
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TARGET_GLOBAL_LDFLAGS += -Wl,--fatal-warnings
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TARGET_GLOBAL_LDFLAGS += -Wl,--gc-sections
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TARGET_C_INCLUDES := \
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$(libc_root)/arch-x86/include \
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$(libc_root)/include \
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$(libstdc++_root)/include \
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$(KERNEL_HEADERS) \
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$(libm_root)/include \
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$(libm_root)/include/i387 \
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$(libthread_db_root)/include
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TARGET_CRTBEGIN_STATIC_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_static.o
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TARGET_CRTBEGIN_DYNAMIC_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_dynamic.o
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TARGET_CRTEND_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_android.o
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TARGET_CRTBEGIN_SO_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_so.o
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TARGET_CRTEND_SO_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_so.o
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TARGET_STRIP_MODULE:=true
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TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libstdc++ libm
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TARGET_CUSTOM_LD_COMMAND := true
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define transform-o-to-shared-lib-inner
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$(hide) $(PRIVATE_CXX) \
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$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
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-nostdlib -Wl,-soname,$(notdir $@) \
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-shared -Bsymbolic \
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$(TARGET_GLOBAL_CFLAGS) \
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$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
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$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \
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$(PRIVATE_ALL_OBJECTS) \
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-Wl,--whole-archive \
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$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
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-Wl,--no-whole-archive \
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$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
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$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
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$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
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$(PRIVATE_TARGET_LIBGCC) \
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$(PRIVATE_TARGET_FDO_LIB) \
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$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
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-o $@ \
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$(PRIVATE_LDFLAGS) \
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$(PRIVATE_TARGET_LIBGCC) \
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$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O))
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endef
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define transform-o-to-executable-inner
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$(hide) $(PRIVATE_CXX) \
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$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
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-nostdlib -Bdynamic \
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-Wl,-z,nocopyreloc \
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-fPIE -pie \
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$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
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-Wl,-rpath-link=$(TARGET_OUT_INTERMEDIATE_LIBRARIES) \
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$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_DYNAMIC_O)) \
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$(PRIVATE_ALL_OBJECTS) \
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-Wl,--whole-archive \
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$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
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-Wl,--no-whole-archive \
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$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
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$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
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$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
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$(PRIVATE_TARGET_LIBGCC) \
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$(PRIVATE_TARGET_FDO_LIB) \
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$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
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-o $@ \
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$(PRIVATE_LDFLAGS) \
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$(PRIVATE_TARGET_LIBGCC) \
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$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O))
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endef
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define transform-o-to-static-executable-inner
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$(hide) $(PRIVATE_CXX) \
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$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
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-nostdlib -Bstatic \
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-o $@ \
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$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
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$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_STATIC_O)) \
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$(PRIVATE_LDFLAGS) \
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$(PRIVATE_ALL_OBJECTS) \
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-Wl,--whole-archive \
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$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
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-Wl,--no-whole-archive \
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-Wl,--start-group \
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$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
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$(PRIVATE_TARGET_FDO_LIB) \
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$(PRIVATE_TARGET_LIBGCC) \
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-Wl,--end-group \
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$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O))
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endef
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