--- xnu/xnu-12377.101.15/libsyscall/Libsyscall.xcconfig
+++ /dev/null
@@ -1,76 +0,0 @@
-#include "<DEVELOPER_DIR>/Makefiles/CoreOS/Xcode/BSD.xcconfig"
-
-BUILD_VARIANTS = normal
-SUPPORTED_PLATFORMS = macosx iphoneos iphoneosnano tvos appletvos watchos bridgeos driverkit
-ONLY_ACTIVE_ARCH = NO
-DEAD_CODE_STRIPPING = YES
-DEBUG_INFORMATION_FORMAT = dwarf-with-dsym
-
-SDK_INSTALL_ROOT[sdk=driverkit*] = $(DRIVERKITROOT)
-SDK_INSTALL_HEADERS_ROOT[sdk=driverkit*] = $(SDK_INSTALL_ROOT)/$(SDK_RUNTIME_HEADERS_PREFIX)
-SDK_RUNTIME_HEADERS_PREFIX = Runtime
-
-INSTALL_PATH = $(SDK_INSTALL_ROOT)/usr/lib/system
-SCRIPT_OUTPUT_DIR = $(SCRIPT_OUTPUT_DIR__$(DEPLOYMENT_LOCATION:default=NO))
-SCRIPT_OUTPUT_DIR__NO = $(TARGET_BUILD_DIR)
-SCRIPT_OUTPUT_DIR__YES = $(DSTROOT)
-PUBLIC_HEADERS_FOLDER_PATH = $(SDK_INSTALL_HEADERS_ROOT)/usr/include
-PRIVATE_HEADERS_FOLDER_PATH = $(SDK_INSTALL_HEADERS_ROOT)/usr/local/include
-EMBEDDED_PRIVATE_HEADERS_FOLDER_PATH = $(PRIVATE_HEADERS_FOLDER_PATH)
-EMBEDDED_PRIVATE_HEADERS_FOLDER_PATH[sdk=macosx*] = $(PUBLIC_HEADERS_FOLDER_PATH)
-OS_PRIVATE_HEADERS_FOLDER_PATH = $(SDK_INSTALL_HEADERS_ROOT)/usr/local/include/os
-OS_PUBLIC_HEADERS_FOLDER_PATH = $(SDK_INSTALL_HEADERS_ROOT)/usr/include/os
-EXECUTABLE_PREFIX = libsystem_
-PRODUCT_NAME = kernel
-ALWAYS_SEARCH_USER_PATHS = NO
-OTHER_CFLAGS = -fdollars-in-identifiers -no-cpp-precomp -fno-common -fno-stack-protector -fno-stack-check -fno-builtin-calloc -momit-leaf-frame-pointer -DLIBSYSCALL_INTERFACE -D__DARWIN_VERS_1050=1 -DNO_SYSCALL_LEGACY
-OTHER_CFLAGS[sdk=macosx*][arch=i386] = $(inherited) -UNO_SYSCALL_LEGACY -DSYSCALL_PRE1050
-OTHER_CFLAGS[sdk=macosx*][arch=x86_64*] = $(inherited) -DSYSCALL_PRE1050
-GCC_PREPROCESSOR_DEFINITIONS = CF_OPEN_SOURCE CF_EXCLUDE_CSTD_HEADERS DEBUG _FORTIFY_SOURCE=0
-
-HEADER_SEARCH_PATHS = $(PROJECT_DIR)/mach $(PROJECT_DIR)/os $(PROJECT_DIR)/wrappers $(PROJECT_DIR)/wrappers/string $(PROJECT_DIR)/wrappers/libproc $(PROJECT_DIR)/wrappers/libproc/spawn $(BUILT_PRODUCTS_DIR)/internal_hdr/include $(BUILT_PRODUCTS_DIR)/mig_hdr/local/include $(BUILT_PRODUCTS_DIR)/mig_hdr/include
-SYSTEM_HEADER_SEARCH_PATHS = $(SDKROOT)/$(SDK_INSTALL_HEADERS_ROOT)/System/Library/Frameworks/System.framework/PrivateHeaders
-SYSTEM_HEADER_SEARCH_PATHS[sdk=driverkit*] = $(SDKROOT)/$(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
-SYSTEM_FRAMEWORK_SEARCH_PATHS[sdk=driverkit*] = $(SDKROOT)/$(SDK_INSTALL_HEADERS_ROOT)/System/Library/Frameworks
-
-OTHER_MIGFLAGS = -novouchers -I$(SDKROOT)/$(SDK_INSTALL_HEADERS_ROOT)/System/Library/Frameworks/System.framework/PrivateHeaders -I$(SDKROOT)/$(SDK_INSTALL_HEADERS_ROOT)/usr/local/include -I$(SDKROOT)/$(SDK_INSTALL_HEADERS_ROOT)/usr/include -DKOBJECT_SERVER
-
-WARNING_CFLAGS = -Wmost -Wformat=2
-GCC_TREAT_WARNINGS_AS_ERRORS = YES
-GCC_WARN_ABOUT_MISSING_NEWLINE = YES
-GCC_NO_COMMON_BLOCKS = YES
-GCC_C_LANGUAGE_STANDARD = gnu11
-CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES
-CLANG_WARN_EMPTY_BODY = YES
-CLANG_WARN_BOOL_CONVERSION = YES
-CLANG_WARN_CONSTANT_CONVERSION = YES
-GCC_WARN_64_TO_32_BIT_CONVERSION = NO
-CLANG_WARN_ENUM_CONVERSION = YES
-CLANG_WARN_INT_CONVERSION = NO
-CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES
-CLANG_WARN_INFINITE_RECURSION = YES
-GCC_WARN_ABOUT_RETURN_TYPE = YES
-CLANG_WARN_STRICT_PROTOTYPES = YES
-CLANG_WARN_COMMA = YES
-GCC_WARN_UNINITIALIZED_AUTOS = YES
-CLANG_WARN_UNREACHABLE_CODE = YES
-GCC_WARN_UNUSED_FUNCTION = YES
-GCC_WARN_UNUSED_PARAMETER = YES
-GCC_WARN_UNUSED_VARIABLE = YES
-CLANG_WARN_RANGE_LOOP_ANALYSIS = YES
-CLANG_WARN_SUSPICIOUS_MOVE = YES
-
-CODE_SIGN_IDENTITY = -
-DYLIB_CURRENT_VERSION = $(RC_ProjectSourceVersion)
-DYLIB_LDFLAGS = -umbrella System -all_load $(BUILT_PRODUCTS_DIR)/$(EXECUTABLE_PREFIX)$(PRODUCT_NAME).a
-OTHER_LDFLAGS = $(SIMULATOR_LDFLAGS)
-SIMULATOR_LDFLAGS =
-SIMULATOR_LDFLAGS[sdk=macosx*] = -Wl,-simulator_support
-INSTALLHDRS_SCRIPT_PHASE = YES
-INSTALLHDRS_COPY_PHASE = YES
-USE_HEADERMAP = NO
-LINK_WITH_STANDARD_LIBRARIES = NO
-LLVM_LTO = YES
-LLVM_LTO[arch=armv7*] = NO
-ALWAYS_SEARCH_USER_PATHS = YES
-IS_ZIPPERED = YES