| # |
| # 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 += $(arch_variant_cflags) |
| |
| ifeq ($(ARCH_X86_HAVE_MMX),true) |
| TARGET_GLOBAL_CFLAGS += -DUSE_MMX -mmmx |
| endif |
| ifeq ($(ARCH_X86_HAVE_SSE),true) |
| TARGET_GLOBAL_CFLAGS += -DUSE_SSE -msse |
| endif |
| ifeq ($(ARCH_X86_HAVE_SSE2),true) |
| TARGET_GLOBAL_CFLAGS += -DUSE_SSE2 -msse2 |
| endif |
| ifeq ($(ARCH_X86_HAVE_SSE3),true) |
| TARGET_GLOBAL_CFLAGS += -DUSE_SSE3 -msse3 |
| endif |
| ifeq ($(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,-dynamic-linker,/system/bin/linker \ |
| -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)),,$(PRIVATE_TARGET_CRTEND_O)) |
| endef |
| |
| # Special check for x86 NDK ABI compatibility. |
| # The TARGET_CPU_ABI variable should be defined in BoardConfig.mk to 'x86' |
| # *only* if the platform image is compatible with the NDK x86 ABI. |
| # |
| # We perform a small check here to ensure that nothing bad can happen. |
| # |
| ifeq ($(TARGET_CPU_ABI),x86) |
| ifneq (true-true-true-true,$(ARCH_X86_HAVE_MMX)-$(ARCH_X86_HAVE_SSE)-$(ARCH_X86_HAVE_SSE2)-$(ARCH_X86_HAVE_SSE3)) |
| $(info ERROR: Your x86 platform image is not compatible with the NDK x86 ABI) |
| $(info As such, you should *not* define TARGET_CPU_ABI to 'x86' in your BoardConfig.mk) |
| $(info to ensure that your device will not be mistakenly listed as compatible by |
| $(info the Android Market. Also, it is likely that the image will fail the CTS tests) |
| $(info Please undefine TARGET_CPU_ABI in your BoardConfig.mk, or select the value 'none') |
| $(info The corresponding image will still be able to run Dalvik-based Android applications) |
| $(error Aborting build! Please fix your BoardConfig.mk) |
| endif |
| endif |