The Android Open Source Project | dcc08f0 | 2008-12-17 18:03:49 -0800 | [diff] [blame] | 1 | # Configuration for Linux on x86 as a target. |
| 2 | # Included by combo/select.make |
| 3 | |
| 4 | # You can set TARGET_TOOLS_PREFIX to get gcc from somewhere else |
| 5 | ifeq ($(strip $($(combo_target)TOOLS_PREFIX)),) |
| 6 | $(combo_target)TOOLS_PREFIX := \ |
| 7 | prebuilt/$(HOST_PREBUILT_TAG)/toolchain/i686-unknown-linux-gnu-4.2.1/bin/i686-unknown-linux-gnu- |
| 8 | endif |
| 9 | |
| 10 | $(combo_target)CC := $($(combo_target)TOOLS_PREFIX)gcc$(HOST_EXECUTABLE_SUFFIX) |
| 11 | $(combo_target)CXX := $($(combo_target)TOOLS_PREFIX)g++$(HOST_EXECUTABLE_SUFFIX) |
| 12 | $(combo_target)AR := $($(combo_target)TOOLS_PREFIX)ar$(HOST_EXECUTABLE_SUFFIX) |
| 13 | $(combo_target)OBJCOPY := $($(combo_target)TOOLS_PREFIX)objcopy$(HOST_EXECUTABLE_SUFFIX) |
| 14 | $(combo_target)LD := $($(combo_target)TOOLS_PREFIX)ld$(HOST_EXECUTABLE_SUFFIX) |
| 15 | |
| 16 | ifneq ($(wildcard $($(combo_target)CC)),) |
| 17 | $(combo_target)LIBGCC := \ |
| 18 | $(shell $($(combo_target)CC) -m32 -print-file-name=libgcc.a) \ |
| 19 | $(shell $($(combo_target)CC) -m32 -print-file-name=libgcc_eh.a) |
| 20 | endif |
| 21 | |
| 22 | $(combo_target)NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined |
| 23 | |
| 24 | libc_root := bionic/libc |
| 25 | libm_root := bionic/libm |
| 26 | libstdc++_root := bionic/libstdc++ |
| 27 | libthread_db_root := bionic/libthread_db |
| 28 | |
| 29 | # unless CUSTOM_KERNEL_HEADERS is defined, we're going to use |
| 30 | # symlinks located in out/ to point to the appropriate kernel |
| 31 | # headers. see 'config/kernel_headers.make' for more details |
| 32 | # |
| 33 | ifneq ($(CUSTOM_KERNEL_HEADERS),) |
| 34 | KERNEL_HEADERS_COMMON := $(CUSTOM_KERNEL_HEADERS) |
| 35 | KERNEL_HEADERS_ARCH := $(CUSTOM_KERNEL_HEADERS) |
| 36 | else |
| 37 | KERNEL_HEADERS_COMMON := $(libc_root)/kernel/common |
| 38 | KERNEL_HEADERS_ARCH := $(libc_root)/kernel/arch-$(TARGET_ARCH) |
| 39 | endif |
| 40 | KERNEL_HEADERS := $(KERNEL_HEADERS_COMMON) $(KERNEL_HEADERS_ARCH) |
| 41 | |
| 42 | $(combo_target)GLOBAL_CFLAGS += \ |
| 43 | -march=i686 \ |
| 44 | -m32 \ |
| 45 | -fPIC \ |
| 46 | -include $(call select-android-config-h,target_linux-x86) |
| 47 | |
| 48 | $(combo_target)GLOBAL_CPPFLAGS += \ |
| 49 | -fno-use-cxa-atexit |
| 50 | |
| 51 | $(combo_target)C_INCLUDES := \ |
| 52 | $(libc_root)/arch-x86/include \ |
| 53 | $(libc_root)/include \ |
| 54 | $(libstdc++_root)/include \ |
| 55 | $(KERNEL_HEADERS) \ |
| 56 | $(libm_root)/include \ |
| 57 | $(libm_root)/include/i387 \ |
| 58 | $(libthread_db_root)/include |
| 59 | |
| 60 | TARGET_CRTBEGIN_STATIC_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtbegin_static.o |
| 61 | TARGET_CRTBEGIN_DYNAMIC_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtbegin_dynamic.o |
| 62 | TARGET_CRTEND_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtend_android.o |
| 63 | |
| 64 | |
| 65 | TARGET_CRTBEGIN_SO_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtbegin_so.o |
| 66 | TARGET_CRTEND_SO_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtend_so.o |
| 67 | |
| 68 | # TARGET_STRIP_MODULE:=true |
| 69 | |
| 70 | $(combo_target)DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libstdc++ libm |
| 71 | |
| 72 | $(combo_target)CUSTOM_LD_COMMAND := true |
| 73 | define transform-o-to-shared-lib-inner |
| 74 | $(TARGET_CXX) \ |
| 75 | $(TARGET_GLOBAL_LDFLAGS) \ |
| 76 | -nostdlib -Wl,-soname,$(notdir $@) \ |
| 77 | -shared -Bsymbolic \ |
| 78 | -fPIC -march=i686 \ |
| 79 | $(TARGET_GLOBAL_LD_DIRS) \ |
| 80 | $(TARGET_CRTBEGIN_SO_O) \ |
| 81 | $(PRIVATE_ALL_OBJECTS) \ |
| 82 | -Wl,--whole-archive \ |
| 83 | $(call normalize-host-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \ |
| 84 | -Wl,--no-whole-archive \ |
| 85 | $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ |
| 86 | $(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \ |
| 87 | -o $@ \ |
| 88 | $(PRIVATE_LDFLAGS) \ |
| 89 | $(TARGET_LIBGCC) \ |
| 90 | $(TARGET_CRTEND_SO_O) |
| 91 | endef |
| 92 | |
| 93 | |
| 94 | define transform-o-to-executable-inner |
| 95 | $(TARGET_CXX) \ |
| 96 | $(TARGET_GLOBAL_LDFLAGS) \ |
| 97 | -nostdlib -Bdynamic \ |
| 98 | -Wl,-dynamic-linker,/system/bin/linker \ |
| 99 | -Wl,-z,nocopyreloc \ |
| 100 | -o $@ \ |
| 101 | $(TARGET_GLOBAL_LD_DIRS) \ |
| 102 | -Wl,-rpath-link=$(TARGET_OUT_INTERMEDIATE_LIBRARIES) \ |
| 103 | $(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \ |
| 104 | $(TARGET_CRTBEGIN_DYNAMIC_O) \ |
| 105 | $(PRIVATE_ALL_OBJECTS) \ |
| 106 | $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ |
| 107 | $(PRIVATE_LDFLAGS) \ |
| 108 | $(TARGET_LIBGCC) \ |
| 109 | $(TARGET_CRTEND_O) |
| 110 | endef |
| 111 | |
| 112 | define transform-o-to-static-executable-inner |
| 113 | $(TARGET_CXX) \ |
| 114 | $(TARGET_GLOBAL_LDFLAGS) \ |
| 115 | -nostdlib -Bstatic \ |
| 116 | -o $@ \ |
| 117 | $(TARGET_GLOBAL_LD_DIRS) \ |
| 118 | $(TARGET_CRTBEGIN_STATIC_O) \ |
| 119 | $(PRIVATE_LDFLAGS) \ |
| 120 | $(PRIVATE_ALL_OBJECTS) \ |
| 121 | -Wl,--start-group \ |
| 122 | $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ |
| 123 | $(TARGET_LIBGCC) \ |
| 124 | -Wl,--end-group \ |
| 125 | $(TARGET_CRTEND_O) |
| 126 | endef |
| 127 | |
| 128 | $(combo_target)GLOBAL_CFLAGS += -m32 |
| 129 | $(combo_target)GLOBAL_LDFLAGS += -m32 |