/ Libsystem.xcconfig
Libsystem.xcconfig
  1  #include "<DEVELOPER_DIR>/Makefiles/CoreOS/Xcode/BSD.xcconfig"
  2  
  3  // NO means only libSystem.B_asan.dylib will be ASanified.
  4  // YES means even the normal variant, libSystem.B.dylib, will be ASanified.
  5  //
  6  // XBS sets RC_SUPPORT_ADDRESS_SANITIZATION=1 to trigger the ASanified normal variant.
  7  ASAN_IN_NORMAL_VARIANT_DK_ = YES
  8  ASAN_IN_NORMAL_VARIANT_DK_1 = NO
  9  ASAN_IN_NORMAL_VARIANT_RC_1 = $(ASAN_IN_NORMAL_VARIANT_DK_$(DRIVERKIT))
 10  ASAN_IN_NORMAL_VARIANT_RC_ = NO
 11  ASAN_IN_NORMAL_VARIANT = $(ASAN_IN_NORMAL_VARIANT_RC_$(RC_SUPPORT_ADDRESS_SANITIZATION))
 12  
 13  // Apple Internal Sanitizer dylib path
 14  SANITIZER_DYLIB_DIR = /usr/appleinternal/lib/sanitizers
 15  
 16  ASAN_CFLAGS_NO =
 17  ASAN_CFLAGS_YES = -DSUPPORT_ASAN=1
 18  ASAN_LDFLAGS_NO =
 19  SHARED_ASAN_LDFLAGS = -L $(SDKROOT)$(SANITIZER_DYLIB_DIR) -Xlinker -not_for_dyld_shared_cache -rpath $(SANITIZER_DYLIB_DIR)/
 20  ASAN_LDFLAGS_YES[sdk=macosx*] = $(SHARED_ASAN_LDFLAGS) -Xlinker -upward-lclang_rt.asan_osx_dynamic
 21  ASAN_LDFLAGS_YES[sdk=iphoneos*] = $(SHARED_ASAN_LDFLAGS) -Xlinker -upward-lclang_rt.asan_ios_dynamic
 22  ASAN_LDFLAGS_YES[sdk=watchos*] = $(SHARED_ASAN_LDFLAGS) -Xlinker -upward-lclang_rt.asan_watchos_dynamic
 23  ASAN_LDFLAGS_YES[sdk=appletvos*] = $(SHARED_ASAN_LDFLAGS) -Xlinker -upward-lclang_rt.asan_tvos_dynamic
 24  ASAN_LDFLAGS_YES[sdk=bridgeos*] = $(SHARED_ASAN_LDFLAGS) -Xlinker -upward-lclang_rt.asan_bridgeos_dynamic
 25  
 26  // "no_asan" variant
 27  //
 28  // The "no_asan" variant is only built when ASAN_IN_NORMAL_VARIANT=YES.
 29  // The variant exists to provide a way to opt-out processes from the
 30  // "Whole OS ASan" mode. It should be identical to the "normal" variant
 31  // except it does **not** upward link the ASan runtime. Despite the name,
 32  // this does not enforce that ASan is not used. This is because an ASan
 33  // instrumented binary could also cause the ASan runtime to be loaded.
 34  NOASAN_CFLAGS_YES = $(ASAN_CFLAGS_YES)
 35  NOASAN_LDFLAGS_YES =
 36  EXTRA_BUILD_VARIANTS_ASAN_IN_NORMAL_VARIANT_NO =
 37  EXTRA_BUILD_VARIANTS_ASAN_IN_NORMAL_VARIANT_YES = no_asan
 38  EXTRA_BUILD_VARIANTS_ASAN_IN_NORMAL_VARIANT = $(EXTRA_BUILD_VARIANTS_ASAN_IN_NORMAL_VARIANT_$(ASAN_IN_NORMAL_VARIANT))
 39  
 40  SDK_INSTALL_VARIANT = $(SDK_INSTALL_VARIANT_$(DRIVERKIT))
 41  SDK_INSTALL_VARIANT_1 = driverkit
 42  SDK_INSTALL_VARIANT_ = default
 43  SDK_INSTALL_ROOT = $(SDK_INSTALL_ROOT_$(SDK_INSTALL_VARIANT))
 44  SDK_INSTALL_ROOT_driverkit = $(DRIVERKITROOT)
 45  SDK_INSTALL_HEADERS_ROOT = $(SDK_INSTALL_HEADERS_ROOT_$(SDK_INSTALL_VARIANT))
 46  SDK_INSTALL_HEADERS_ROOT_driverkit = $(SDK_INSTALL_ROOT)/$(SDK_RUNTIME_HEADERS_PREFIX)
 47  SDK_RUNTIME_HEADERS_PREFIX = Runtime
 48  
 49  BUILD_VARIANTS = $(BUILD_VARIANTS_$(SDK_INSTALL_VARIANT))
 50  BUILD_VARIANTS_default = normal debug asan $(EXTRA_BUILD_VARIANTS_ASAN_IN_NORMAL_VARIANT)
 51  BUILD_VARIANTS_driverkit = normal debug
 52  SUPPORTED_PLATFORMS = macosx iphoneos iphonesimulator appletvos appletvsimulator watchos watchsimulator
 53  INSTALL_PATH = $(SDK_INSTALL_ROOT)/usr/lib
 54  INSTALL_PATH_PREFIX = $(SDK_INSTALL_ROOT)
 55  INSTALL_PATH_FRAMEWORK_PREFIX = $(SDK_INSTALL_HEADERS_ROOT)
 56  DYLIB_CURRENT_VERSION = $(CURRENT_VERSION_STRING_$(RC_XBS))
 57  // used in PRODUCT_NAME of dylib target
 58  DYLIB_NAME_VERSION_SUFFIX = .B
 59  DYLIB_NAME_VERSION_SUFFIX[sdk=driverkit*] =
 60  ORDER_FILE = $(SDKROOT)/$(APPLE_INTERNAL_DIR)/OrderFiles/libSystem.order
 61  ORDER_FILE[sdk=iphonesimulator*] =
 62  ORDER_FILE[sdk=driverkit*] =
 63  SYSTEM_HEADER_SEARCH_PATHS = $(SDKROOT)/$(SDK_INSTALL_HEADERS_ROOT)/System/Library/Frameworks/System.framework/PrivateHeaders $(SDKROOT)/$(SDK_INSTALL_HEADERS_ROOT)/usr/local/include $(SDKROOT)/$(SDK_INSTALL_HEADERS_ROOT)/usr/include
 64  SYSTEM_FRAMEWORK_SEARCH_PATHS = $(SDKROOT)/$(SDK_INSTALL_HEADERS_ROOT)/System/Library/PrivateFrameworks $(SDKROOT)/$(SDK_INSTALL_HEADERS_ROOT)/System/Library/Frameworks
 65  
 66  OTHER_CFLAGS = -include $(BUILT_PRODUCTS_DIR)/config.$(CURRENT_ARCH).$(CURRENT_VARIANT).h -DCURRENT_VARIANT_$(CURRENT_VARIANT)=1
 67  OTHER_CFLAGS_normal = $(ASAN_CFLAGS_$(ASAN_IN_NORMAL_VARIANT:default=NO))
 68  // Preserve existing behaviour of modifying debug variant.
 69  OTHER_CFLAGS_debug = $(ASAN_CFLAGS_$(ASAN_IN_NORMAL_VARIANT:default=NO))
 70  OTHER_CFLAGS_asan = $(ASAN_CFLAGS_YES)
 71  OTHER_CFLAGS_no_asan = $(NOASAN_CFLAGS_YES)
 72  
 73  OTHER_LDFLAGS = -Wl,-search_paths_first -nodefaultlibs @$(BUILT_PRODUCTS_DIR)/linker_arguments.$(CURRENT_ARCH).$(CURRENT_VARIANT).txt $(DRIVERKIT_LDFLAGS)
 74  OTHER_LDFLAGS_normal = $(ASAN_LDFLAGS_$(ASAN_IN_NORMAL_VARIANT:default=NO))
 75  // Preserve existing behaviour of modifying debug variant.
 76  OTHER_LDFLAGS_debug = $(ASAN_LDFLAGS_$(ASAN_IN_NORMAL_VARIANT:default=NO))
 77  OTHER_LDFLAGS_asan = $(ASAN_LDFLAGS_YES)
 78  OTHER_LDFLAGS_no_asan = $(NOASAN_LDFLAGS_YES)
 79  
 80  
 81  // whitelist of libraries in DriverKit SDK allowed to link directly against libSystem.dylib (outside of the umbrella)
 82  DRIVERKIT_LDFLAGS[sdk=driverkit*] = -Wl,-allowable_client,c++ -Wl,-allowable_client,c++abi -Wl,-allowable_client,DriverKit
 83  LD_GENERATE_MAP_FILE = YES
 84  EXECUTABLE_PREFIX = lib
 85  PRIVATE_HEADERS_FOLDER_PATH = $(SDK_INSTALL_HEADERS_ROOT)/usr/local/include/os
 86  LIBRARY_SEARCH_PATHS = $(SDKROOT)/$(SDK_INSTALL_ROOT)/usr/lib/system $(SDKROOT)/$(SDK_INSTALL_ROOT)/usr/local/lib/system
 87  GCC_NO_COMMON_BLOCKS = YES
 88  GCC_WARN_64_TO_32_BIT_CONVERSION = YES
 89  GCC_WARN_ABOUT_RETURN_TYPE = YES
 90  GCC_WARN_ABOUT_MISSING_PROTOTYPES = YES
 91  GCC_TREAT_WARNINGS_AS_ERRORS = YES
 92  GCC_WARN_UNUSED_VARIABLE = YES
 93  CURRENT_VERSION_STRING_ = 159
 94  CURRENT_VERSION_STRING_YES = $(CURRENT_PROJECT_VERSION)
 95  INFOPLIST_INSTALL_PATH = Versions/B/Resources
 96  INFOPLIST_INSTALL_PATH[sdk=iphoneos*] =
 97  INFOPLIST_INSTALL_PATH[sdk=*simulator*] =
 98  INFOPLIST_INSTALL_PATH[sdk=watchos*] =
 99  INFOPLIST_OUTPUT_FORMAT = binary
100  INFOPLIST_OUTPUT_FORMAT[sdk=macosx*] = xml
101  APPLY_RULES_IN_COPY_FILES = YES
102  PLIST_FILE_OUTPUT_FORMAT = binary
103  PLIST_FILE_OUTPUT_FORMAT[sdk=macosx*] = xml
104  EXCLUDED_SOURCE_FILE_NAMES[sdk=driverkit*] = Info.plist
105  
106  EXCLUDED_SOURCE_FILE_NAMES = $(inherited) i386.c
107  INCLUDED_SOURCE_FILE_NAMES[sdk=macos*][arch=i386] = $(inherited) i386.c
108  EXCLUDED_SOURCE_FILE_NAMES[sdk=macosx*][arch=i386] = $(inherited) init.c CompatibilityHacks.c
109  
110  // override presence of $(EXECUTABLE_VARIANT_SUFFIX) in the default EXECUTABLE_NAME rdar://26234727
111  DYLIB_INSTALL_NAME_EXECUTABLE_NAME = $(EXECUTABLE_PREFIX)$(PRODUCT_NAME)$(EXECUTABLE_SUFFIX)
112  DYLIB_INSTALL_NAME_EXECUTABLE_PATH = $(DYLIB_INSTALL_NAME_EXECUTABLE_NAME)
113  LD_DYLIB_INSTALL_NAME = $(DYLIB_INSTALL_NAME_BASE:standardizepath)/$(DYLIB_INSTALL_NAME_EXECUTABLE_PATH)
114  
115  IS_ZIPPERED = YES