93847f5355
Merge commit 'cc84526bcef5ffd7ed9abf73dc3bfc9e29784b22' into gingerbread-plus-aosp * commit 'cc84526bcef5ffd7ed9abf73dc3bfc9e29784b22': Add atom optimization flags
171 lines
5.4 KiB
Makefile
171 lines
5.4 KiB
Makefile
#
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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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ifeq ($(TARGET_SIMULATOR),true)
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# When building for the simulator, use the HOST settings as TARGET settings
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TARGET_CC := $(HOST_CC)
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TARGET_CXX := $(HOST_CXX)
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TARGET_AR := $(HOST_AR)
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TARGET_GLOBAL_CFLAGS := $(HOST_GLOBAL_CFLAGS) -m32
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TARGET_GLOBAL_LDFLAGS := $(HOST_GLOBAL_LDFLAGS) -m32 -lpthread
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TARGET_NO_UNDEFINED_LDFLAGS := $(HOST_NO_UNDEFINED_LDFLAGS)
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TARGET_ARCH_VARIANT := x86
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else #simulator
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# Provide a default variant.
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ifeq ($(strip $(TARGET_ARCH_VARIANT)),)
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TARGET_ARCH_VARIANT := x86
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endif
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# You can set TARGET_TOOLS_PREFIX to get gcc from somewhere else
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ifeq ($(strip $(TARGET_TOOLS_PREFIX)),)
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TARGET_TOOLS_PREFIX := \
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prebuilt/$(HOST_PREBUILT_TAG)/toolchain/i686-unknown-linux-gnu-4.2.1/bin/i686-unknown-linux-gnu-
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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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TARGET_STRIP_COMMAND = $(TARGET_STRIP) --strip-debug $< -o $@
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ifneq ($(wildcard $(TARGET_CC)),)
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TARGET_LIBGCC := \
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$(shell $(TARGET_CC) -m32 -print-file-name=libgcc.a) \
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$(shell $(TARGET_CC) -m32 -print-file-name=libgcc_eh.a)
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endif
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TARGET_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined
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libc_root := bionic/libc
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libm_root := bionic/libm
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libstdc++_root := bionic/libstdc++
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libthread_db_root := bionic/libthread_db
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# unless CUSTOM_KERNEL_HEADERS is defined, we're going to use
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# symlinks located in out/ to point to the appropriate kernel
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# headers. see 'config/kernel_headers.make' for more details
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#
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ifneq ($(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/common
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KERNEL_HEADERS_ARCH := $(libc_root)/kernel/arch-$(TARGET_ARCH)
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endif
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KERNEL_HEADERS := $(KERNEL_HEADERS_COMMON) $(KERNEL_HEADERS_ARCH)
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TARGET_GLOBAL_CFLAGS += \
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-march=i686 \
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-m32 \
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-fPIC \
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-include $(call select-android-config-h,target_linux-x86)
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TARGET_GLOBAL_CPPFLAGS += \
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-fno-use-cxa-atexit
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TARGET_C_INCLUDES := \
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$(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_STATIC_LIBRARIES)/crtbegin_static.o
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TARGET_CRTBEGIN_DYNAMIC_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtbegin_dynamic.o
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TARGET_CRTEND_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtend_android.o
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TARGET_CRTBEGIN_SO_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtbegin_so.o
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TARGET_CRTEND_SO_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtend_so.o
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TARGET_STRIP_MODULE:=true
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TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libstdc++ libm
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TARGET_CUSTOM_LD_COMMAND := true
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define transform-o-to-shared-lib-inner
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$(TARGET_CXX) \
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$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
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-nostdlib -Wl,-soname,$(notdir $@) \
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-shared -Bsymbolic \
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-fPIC -march=i686 \
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$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
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$(PRIVATE_TARGET_CRTBEGIN_SO_O) \
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$(PRIVATE_ALL_OBJECTS) \
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-Wl,--whole-archive \
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$(call normalize-host-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
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-Wl,--no-whole-archive \
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$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
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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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$(PRIVATE_TARGET_LIBGCC) \
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$(PRIVATE_TARGET_CRTEND_SO_O)
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endef
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define transform-o-to-executable-inner
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$(TARGET_CXX) \
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$(TARGET_GLOBAL_LDFLAGS) \
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-nostdlib -Bdynamic \
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-Wl,-dynamic-linker,/system/bin/linker \
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-Wl,-z,nocopyreloc \
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-o $@ \
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$(TARGET_GLOBAL_LD_DIRS) \
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-Wl,-rpath-link=$(TARGET_OUT_INTERMEDIATE_LIBRARIES) \
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$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
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$(TARGET_CRTBEGIN_DYNAMIC_O) \
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$(PRIVATE_ALL_OBJECTS) \
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$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
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$(PRIVATE_LDFLAGS) \
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$(TARGET_LIBGCC) \
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$(TARGET_CRTEND_O)
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endef
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define transform-o-to-static-executable-inner
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$(TARGET_CXX) \
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$(TARGET_GLOBAL_LDFLAGS) \
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-nostdlib -Bstatic \
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-o $@ \
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$(TARGET_GLOBAL_LD_DIRS) \
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$(TARGET_CRTBEGIN_STATIC_O) \
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$(PRIVATE_LDFLAGS) \
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$(PRIVATE_ALL_OBJECTS) \
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-Wl,--start-group \
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$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
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$(TARGET_LIBGCC) \
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-Wl,--end-group \
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$(TARGET_CRTEND_O)
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endef
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ifeq ($(TARGET_ARCH_VARIANT),x86-atom)
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# Enable recent IA friendly memory routines (such as for Atom)
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# These will not work on the earlier x86 machines
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TARGET_GLOBAL_CFLAGS += -mtune=i686 -DUSE_SSSE3 -DUSE_SSE2
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endif
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TARGET_GLOBAL_CFLAGS += -D__ANDROID__
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TARGET_GLOBAL_LDFLAGS += -m32
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endif #simulator
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