| # |
| # 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 |
| |
| ifeq ($(TARGET_SIMULATOR),true) |
| # When building for the simulator, use the HOST settings as TARGET settings |
| TARGET_CC := $(HOST_CC) |
| TARGET_CXX := $(HOST_CXX) |
| TARGET_AR := $(HOST_AR) |
| TARGET_GLOBAL_CFLAGS := $(HOST_GLOBAL_CFLAGS) -m32 |
| TARGET_GLOBAL_LDFLAGS := $(HOST_GLOBAL_LDFLAGS) -m32 -lpthread |
| TARGET_NO_UNDEFINED_LDFLAGS := $(HOST_NO_UNDEFINED_LDFLAGS) |
| TARGET_ARCH_VARIANT := x86 |
| else #simulator |
| |
| # Provide a default variant. |
| ifeq ($(strip $(TARGET_ARCH_VARIANT)),) |
| TARGET_ARCH_VARIANT := x86 |
| endif |
| |
| # You can set TARGET_TOOLS_PREFIX to get gcc from somewhere else |
| ifeq ($(strip $(TARGET_TOOLS_PREFIX)),) |
| TARGET_TOOLS_PREFIX := \ |
| prebuilt/$(HOST_PREBUILT_TAG)/toolchain/i686-unknown-linux-gnu-4.2.1/bin/i686-unknown-linux-gnu- |
| 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) |
| |
| ifneq ($(wildcard $(TARGET_CC)),) |
| TARGET_LIBGCC := \ |
| $(shell $(TARGET_CC) -m32 -print-file-name=libgcc.a) \ |
| $(shell $(TARGET_CC) -m32 -print-file-name=libgcc_eh.a) |
| endif |
| |
| TARGET_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined |
| |
| libc_root := bionic/libc |
| libm_root := bionic/libm |
| libstdc++_root := bionic/libstdc++ |
| libthread_db_root := bionic/libthread_db |
| |
| # unless CUSTOM_KERNEL_HEADERS is defined, we're going to use |
| # symlinks located in out/ to point to the appropriate kernel |
| # headers. see 'config/kernel_headers.make' for more details |
| # |
| ifneq ($(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 += \ |
| -march=i686 \ |
| -m32 \ |
| -fPIC \ |
| -include $(call select-android-config-h,target_linux-x86) |
| |
| TARGET_GLOBAL_CPPFLAGS += \ |
| -fno-use-cxa-atexit |
| |
| 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_STATIC_LIBRARIES)/crtbegin_static.o |
| TARGET_CRTBEGIN_DYNAMIC_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtbegin_dynamic.o |
| TARGET_CRTEND_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtend_android.o |
| |
| |
| TARGET_CRTBEGIN_SO_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtbegin_so.o |
| TARGET_CRTEND_SO_O := $(TARGET_OUT_STATIC_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 |
| $(TARGET_CXX) \ |
| $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \ |
| -nostdlib -Wl,-soname,$(notdir $@) \ |
| -shared -Bsymbolic \ |
| -fPIC -march=i686 \ |
| $(PRIVATE_TARGET_GLOBAL_LD_DIRS) \ |
| $(PRIVATE_TARGET_CRTBEGIN_SO_O) \ |
| $(PRIVATE_ALL_OBJECTS) \ |
| -Wl,--whole-archive \ |
| $(call normalize-host-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \ |
| -Wl,--no-whole-archive \ |
| $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ |
| $(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \ |
| -o $@ \ |
| $(PRIVATE_LDFLAGS) \ |
| $(PRIVATE_TARGET_LIBGCC) \ |
| $(PRIVATE_TARGET_CRTEND_SO_O) |
| endef |
| |
| |
| define transform-o-to-executable-inner |
| $(TARGET_CXX) \ |
| $(TARGET_GLOBAL_LDFLAGS) \ |
| -nostdlib -Bdynamic \ |
| -Wl,-dynamic-linker,/system/bin/linker \ |
| -Wl,-z,nocopyreloc \ |
| -o $@ \ |
| $(TARGET_GLOBAL_LD_DIRS) \ |
| -Wl,-rpath-link=$(TARGET_OUT_INTERMEDIATE_LIBRARIES) \ |
| $(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \ |
| $(TARGET_CRTBEGIN_DYNAMIC_O) \ |
| $(PRIVATE_ALL_OBJECTS) \ |
| $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ |
| $(PRIVATE_LDFLAGS) \ |
| $(TARGET_LIBGCC) \ |
| $(TARGET_CRTEND_O) |
| endef |
| |
| define transform-o-to-static-executable-inner |
| $(TARGET_CXX) \ |
| $(TARGET_GLOBAL_LDFLAGS) \ |
| -nostdlib -Bstatic \ |
| -o $@ \ |
| $(TARGET_GLOBAL_LD_DIRS) \ |
| $(TARGET_CRTBEGIN_STATIC_O) \ |
| $(PRIVATE_LDFLAGS) \ |
| $(PRIVATE_ALL_OBJECTS) \ |
| -Wl,--start-group \ |
| $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ |
| $(TARGET_LIBGCC) \ |
| -Wl,--end-group \ |
| $(TARGET_CRTEND_O) |
| endef |
| |
| TARGET_GLOBAL_CFLAGS += -m32 |
| TARGET_GLOBAL_LDFLAGS += -m32 |
| |
| endif #simulator |