auto import from //depot/cupcake/@135843
diff --git a/core/combo/target_linux-x86.mk b/core/combo/target_linux-x86.mk
new file mode 100644
index 0000000..2d359ff
--- /dev/null
+++ b/core/combo/target_linux-x86.mk
@@ -0,0 +1,129 @@
+# Configuration for Linux on x86 as a target.
+# Included by combo/select.make
+
+# You can set TARGET_TOOLS_PREFIX to get gcc from somewhere else
+ifeq ($(strip $($(combo_target)TOOLS_PREFIX)),)
+$(combo_target)TOOLS_PREFIX := \
+ prebuilt/$(HOST_PREBUILT_TAG)/toolchain/i686-unknown-linux-gnu-4.2.1/bin/i686-unknown-linux-gnu-
+endif
+
+$(combo_target)CC := $($(combo_target)TOOLS_PREFIX)gcc$(HOST_EXECUTABLE_SUFFIX)
+$(combo_target)CXX := $($(combo_target)TOOLS_PREFIX)g++$(HOST_EXECUTABLE_SUFFIX)
+$(combo_target)AR := $($(combo_target)TOOLS_PREFIX)ar$(HOST_EXECUTABLE_SUFFIX)
+$(combo_target)OBJCOPY := $($(combo_target)TOOLS_PREFIX)objcopy$(HOST_EXECUTABLE_SUFFIX)
+$(combo_target)LD := $($(combo_target)TOOLS_PREFIX)ld$(HOST_EXECUTABLE_SUFFIX)
+
+ifneq ($(wildcard $($(combo_target)CC)),)
+$(combo_target)LIBGCC := \
+ $(shell $($(combo_target)CC) -m32 -print-file-name=libgcc.a) \
+ $(shell $($(combo_target)CC) -m32 -print-file-name=libgcc_eh.a)
+endif
+
+$(combo_target)NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined
+
+libc_root := bionic/libc
+libm_root := bionic/libm
+libstdc++_root := bionic/libstdc++
+libthread_db_root := bionic/libthread_db
+
+# unless CUSTOM_KERNEL_HEADERS is defined, we're going to use
+# symlinks located in out/ to point to the appropriate kernel
+# headers. see 'config/kernel_headers.make' for more details
+#
+ifneq ($(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) $(KERNEL_HEADERS_ARCH)
+
+$(combo_target)GLOBAL_CFLAGS += \
+ -march=i686 \
+ -m32 \
+ -fPIC \
+ -include $(call select-android-config-h,target_linux-x86)
+
+$(combo_target)GLOBAL_CPPFLAGS += \
+ -fno-use-cxa-atexit
+
+$(combo_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 := $(TARGET_OUT_STATIC_LIBRARIES)/crtend_so.o
+
+# TARGET_STRIP_MODULE:=true
+
+$(combo_target)DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libstdc++ libm
+
+$(combo_target)CUSTOM_LD_COMMAND := true
+define transform-o-to-shared-lib-inner
+$(TARGET_CXX) \
+ $(TARGET_GLOBAL_LDFLAGS) \
+ -nostdlib -Wl,-soname,$(notdir $@) \
+ -shared -Bsymbolic \
+ -fPIC -march=i686 \
+ $(TARGET_GLOBAL_LD_DIRS) \
+ $(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) \
+ $(TARGET_LIBGCC) \
+ $(TARGET_CRTEND_SO_O)
+endef
+
+
+define transform-o-to-executable-inner
+$(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 \
+ $(TARGET_CRTEND_O)
+endef
+
+$(combo_target)GLOBAL_CFLAGS += -m32
+$(combo_target)GLOBAL_LDFLAGS += -m32