include "llvm/Option/OptParser.td"

// Flags that lld/MachO understands but ld64 doesn't. These take
// '--' instead of '-' and use dashes instead of underscores, so
// they don't collide with the ld64 compat options.

def help : Flag<["-", "--"], "help">;
def help_hidden : Flag<["--"], "help-hidden">,
  HelpText<"Display help for hidden options">;
def color_diagnostics: Flag<["--"], "color-diagnostics">,
  HelpText<"Alias for --color-diagnostics=always">;
def no_color_diagnostics: Flag<["--"], "no-color-diagnostics">,
  HelpText<"Alias for --color-diagnostics=never">;
def color_diagnostics_eq: Joined<["--"], "color-diagnostics=">,
  HelpText<"Use colors in diagnostics (default: auto)">,
  MetaVarName<"[auto,always,never]">;


// This is a complete Options.td compiled from Apple's ld(1) manpage
// dated 2018-03-07 and cross checked with ld64 source code in repo
// https://github.com/apple-opensource/ld64 at git tag "512.4" dated
// 2018-03-18.

// Flags<[HelpHidden]> marks options that are not yet ported to lld,
// and serve as a scoreboard for annotating our progress toward
// implementing ld64 options in lld. As you add implementions to
// Driver.cpp, please remove the hidden flag here.

def grp_kind : OptionGroup<"kind">, HelpText<"OUTPUT KIND">;

def execute : Flag<["-"], "execute">,
     HelpText<"Produce a main executable (default)">,
     Flags<[HelpHidden]>,
     Group<grp_kind>;
def dylib : Flag<["-"], "dylib">,
     HelpText<"Produce a shared library">,
     Group<grp_kind>;
def bundle : Flag<["-"], "bundle">,
     HelpText<"Produce a bundle">,
     Flags<[HelpHidden]>,
     Group<grp_kind>;
def r : Flag<["-"], "r">,
     HelpText<"Merge multiple object files into one, retaining relocations">,
     Flags<[HelpHidden]>,
     Group<grp_kind>;
def dylinker : Flag<["-"], "dylinker">,
     HelpText<"Produce a dylinker only used when building dyld">,
     Flags<[HelpHidden]>,
     Group<grp_kind>;
def dynamic : Flag<["-"], "dynamic">,
     HelpText<"Link dynamically (default)">,
     Group<grp_kind>;
def static : Flag<["-"], "static">,
     HelpText<"Link statically">,
     Flags<[HelpHidden]>,
     Group<grp_kind>;
def preload : Flag<["-"], "preload">,
     HelpText<"Produce an unsegmented binary for embedded systems">,
     Flags<[HelpHidden]>,
     Group<grp_kind>;
def arch : Separate<["-"], "arch">,
     MetaVarName<"<arch_name>">,
     HelpText<"The architecture (e.g. ppc, ppc64, i386, x86_64)">,
     Group<grp_kind>;
def o : Separate<["-"], "o">,
     MetaVarName<"<path>">,
     HelpText<"The name of the output file (default: `a.out')">,
     Group<grp_kind>;

def grp_libs : OptionGroup<"libs">, HelpText<"LIBRARIES">;

def l : Joined<["-"], "l">,
     MetaVarName<"<name>">,
     HelpText<"Search for lib<name>.dylib or lib<name>.a on the library search path">,
     Group<grp_libs>;
def weak_l : Joined<["-"], "weak-l">,
     MetaVarName<"<name>">,
     HelpText<"Like -l<name>, but mark library and its references as weak imports">,
     Group<grp_libs>;
def weak_library : Separate<["-"], "weak_library">,
     MetaVarName<"<path>">,
     HelpText<"Like bare <path>, but mark library and its references as weak imports">,
     Group<grp_libs>;
def reexport_l : Joined<["-"], "reexport-l">,
     MetaVarName<"<name>">,
     HelpText<"Like -l<name>, but export all symbols of <name> from newly created library">,
     Flags<[HelpHidden]>,
     Group<grp_libs>;
def reexport_library : Separate<["-"], "reexport_library">,
     MetaVarName<"<path>">,
     HelpText<"Like bare <path>, but export all symbols of <path> from newly created library">,
     Flags<[HelpHidden]>,
     Group<grp_libs>;
def upward_l : Joined<["-"], "upward-l">,
     MetaVarName<"<name>">,
     HelpText<"Like -l<name>, but specify dylib as an upward dependency">,
     Flags<[HelpHidden]>,
     Group<grp_libs>;
def upward_library : Separate<["-"], "upward_library">,
     MetaVarName<"<path>">,
     HelpText<"Like bare <path>, but specify dylib as an upward dependency">,
     Flags<[HelpHidden]>,
     Group<grp_libs>;
def L : JoinedOrSeparate<["-"], "L">,
     MetaVarName<"<dir>">,
     HelpText<"Add dir to the library search path">,
     Group<grp_libs>;
def Z : Flag<["-"], "Z">,
     HelpText<"Remove standard directories from the library and framework search paths">,
     Group<grp_libs>;
def syslibroot : Separate<["-"], "syslibroot">,
     MetaVarName<"<rootdir>">,
     HelpText<"Prepend <rootdir> to all library and framework search paths">,
     Group<grp_libs>;
def search_paths_first : Flag<["-"], "search_paths_first">,
     HelpText<"Search for lib<name>.dylib and lib<name>.a at each step in traversing search path (default for Xcode 4 and later)">,
     Group<grp_libs>;
def search_dylibs_first : Flag<["-"], "search_dylibs_first">,
     HelpText<"Search for lib<name>.dylib on first pass, then for lib<name>.a on second pass through search path (default for Xcode 3 and earlier)">,
     Group<grp_libs>;
def framework : Separate<["-"], "framework">,
     MetaVarName<"<name>">,
     HelpText<"Search for <name>.framework/<name> on the framework search path">,
     Group<grp_libs>;
def weak_framework : Separate<["-"], "weak_framework">,
     MetaVarName<"<name>">,
     HelpText<"Like -framework <name>, but mark framework and its references as weak imports">,
     Group<grp_libs>;
def reexport_framework : Separate<["-"], "reexport_framework">,
     MetaVarName<"<name>">,
     HelpText<"Like -framework <name>, but export all symbols of <name> from the newly created library">,
     Flags<[HelpHidden]>,
     Group<grp_libs>;
def upward_framework : Separate<["-"], "upward_framework">,
     MetaVarName<"<name>">,
     HelpText<"Like -framework <name>, but specify the framework as an upward dependency">,
     Flags<[HelpHidden]>,
     Group<grp_libs>;
def F : JoinedOrSeparate<["-"], "F">,
     MetaVarName<"<dir>">,
     HelpText<"Add dir to the framework search path">,
     Group<grp_libs>;
def all_load : Flag<["-"], "all_load">,
     HelpText<"Load all members of all static archive libraries">,
     Group<grp_libs>;
def ObjC : Flag<["-"], "ObjC">,
     HelpText<"Load all members of static archives that are an Objective-C class or category.">,
     Group<grp_libs>;
def force_load : Separate<["-"], "force_load">,
     MetaVarName<"<path>">,
     HelpText<"Load all members static archive library at <path>">,
     Group<grp_libs>;

def grp_content : OptionGroup<"content">, HelpText<"ADDITIONAL CONTENT">;

def sectcreate : MultiArg<["-"], "sectcreate", 3>,
     MetaVarName<"<segment> <section> <file>">,
     HelpText<"Create <section> in <segment> from the contents of <file>">,
     Group<grp_content>;
def segcreate : MultiArg<["-"], "segcreate", 3>,
     MetaVarName<"<segment> <section> <file>">,
     Alias<sectcreate>,
     HelpText<"Alias for -sectcreate">,
     Flags<[HelpHidden]>,
     Group<grp_content>;
def filelist : Separate<["-"], "filelist">,
     MetaVarName<"<file>">,
     HelpText<"Read names of files to link from <file>">,
     Group<grp_content>;
def dtrace : Separate<["-"], "dtrace">,
     MetaVarName<"<script>">,
     HelpText<"Enable DTrace static probes according to declarations in <script>">,
     Flags<[HelpHidden]>,
     Group<grp_content>;

def grp_opts : OptionGroup<"opts">, HelpText<"OPTIMIZATIONS">;

def dead_strip : Flag<["-"], "dead_strip">,
     HelpText<"Remove unreachable functions and data">,
     Flags<[HelpHidden]>,
     Group<grp_opts>;
def order_file : Separate<["-"], "order_file">,
     MetaVarName<"<file>">,
     HelpText<"Layout functions and data according to specification in <file>">,
     Group<grp_opts>;
def sectorder : MultiArg<["-"], "sectorder", 3>,
     MetaVarName<"<segname> <sectname> <orderfile>">,
     HelpText<"Replaced by more general -order_file option">,
     Flags<[HelpHidden]>,
     Group<grp_opts>;
def no_order_inits : Flag<["-"], "no_order_inits">,
     HelpText<"Disable default reordering of initializer and terminator functions">,
     Flags<[HelpHidden]>,
     Group<grp_opts>;
def no_order_data : Flag<["-"], "no_order_data">,
     HelpText<"Disable default reordering of global data accessed at launch time">,
     Flags<[HelpHidden]>,
     Group<grp_opts>;
def platform_version : MultiArg<["-"], "platform_version", 3>,
     MetaVarName<"<platform> <min_version> <sdk_version>">,
     HelpText<"Platform (e.g., macos, ios, tvos, watchos, bridgeos, mac-catalyst, ios-sim, tvos-sim, watchos-sim, driverkit) and version numbers">,
     Group<grp_opts>;
def sdk_version : Separate<["-"], "sdk_version">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_opts>;
def macos_version_min : Separate<["-"], "macos_version_min">,
     MetaVarName<"<version>">,
     HelpText<"Oldest macOS version for which linked output is useable">,
     Flags<[HelpHidden]>,
     Group<grp_opts>;
def macosx_version_min : Separate<["-"], "macosx_version_min">,
     MetaVarName<"<version>">,
     Alias<macos_version_min>,
     HelpText<"Alias for -macos_version_min">,
     Flags<[HelpHidden]>,
     Group<grp_opts>;
def ios_version_min : Separate<["-"], "ios_version_min">,
     MetaVarName<"<version>">,
     HelpText<"Oldest iOS version for which linked output is useable">,
     Flags<[HelpHidden]>,
     Group<grp_opts>;
def ios_simulator_version_min : Separate<["-"], "ios_simulator_version_min">,
     MetaVarName<"<version>">,
     HelpText<"Oldest iOS simulator version for which linked output is useable">,
     Flags<[HelpHidden]>,
     Group<grp_opts>;
def iphoneos_version_min : Separate<["-"], "iphoneos_version_min">,
     MetaVarName<"<version>">,
     Alias<ios_version_min>,
     HelpText<"Alias for -ios_version_min">,
     Flags<[HelpHidden]>,
     Group<grp_opts>;
def image_base : Separate<["-"], "image_base">,
     MetaVarName<"<address>">,
     HelpText<"Preferred hex load address for a dylib or bundle.">,
     Flags<[HelpHidden]>,
     Group<grp_opts>;
def seg1addr : Separate<["-"], "seg1addr">,
     MetaVarName<"<address>">,
     Alias<image_base>,
     HelpText<"Alias for -image_base">,
     Flags<[HelpHidden]>,
     Group<grp_opts>;
def no_implicit_dylibs : Flag<["-"], "no_implicit_dylibs">,
     HelpText<"Do not optimize public dylib transitive symbol references">,
     Flags<[HelpHidden]>,
     Group<grp_opts>;
def exported_symbols_order : Separate<["-"], "exported_symbols_order">,
     MetaVarName<"<file>">,
     HelpText<"Specify frequently-used symbols in <file> to optimize symbol exports">,
     Flags<[HelpHidden]>,
     Group<grp_opts>;
def no_zero_fill_sections : Flag<["-"], "no_zero_fill_sections">,
     HelpText<"Explicitly store zeroed data in the final image">,
     Flags<[HelpHidden]>,
     Group<grp_opts>;
def merge_zero_fill_sections : Flag<["-"], "merge_zero_fill_sections">,
     HelpText<"Merge all zeroed data into the __zerofill section">,
     Flags<[HelpHidden]>,
     Group<grp_opts>;
def no_branch_islands : Flag<["-"], "no_branch_islands">,
     HelpText<"Disable infra for branches beyond the maximum branch distance.">,
     Flags<[HelpHidden]>,
     Group<grp_opts>;

def grp_dylib : OptionGroup<"dylib">, HelpText<"DYNAMIC LIBRARIES (DYLIB)">;

def install_name : Separate<["-"], "install_name">,
     MetaVarName<"<name>">,
     HelpText<"Set an internal install path in a dylib">,
     Group<grp_dylib>;
def dylib_install_name : Separate<["-"], "dylib_install_name">,
     MetaVarName<"<name>">,
     Alias<install_name>,
     HelpText<"Alias for -install_name">,
     Flags<[HelpHidden]>,
     Group<grp_dylib>;
def dylinker_install_name : Separate<["-"], "dylinker_install_name">,
     MetaVarName<"<name>">,
     Alias<install_name>,
     HelpText<"Alias for -install_name">,
     Flags<[HelpHidden]>,
     Group<grp_dylib>;
def mark_dead_strippable_dylib : Flag<["-"], "mark_dead_strippable_dylib">,
     HelpText<"Clients can discard this dylib if it is unreferenced">,
     Flags<[HelpHidden]>,
     Group<grp_dylib>;
def compatibility_version : Separate<["-"], "compatibility_version">,
     MetaVarName<"<version>">,
     HelpText<"Compatibility <version> of this library">,
     Flags<[HelpHidden]>,
     Group<grp_dylib>;
def dylib_compatibility_version : Separate<["-"], "dylib_compatibility_version">,
     MetaVarName<"<version>">,
     Alias<compatibility_version>,
     HelpText<"Alias for -compatibility_version">,
     Flags<[HelpHidden]>,
     Group<grp_dylib>;
def current_version : Separate<["-"], "current_version">,
     MetaVarName<"<version>">,
     HelpText<"Current <version> of this library">,
     Flags<[HelpHidden]>,
     Group<grp_dylib>;
def dylib_current_version : Separate<["-"], "dylib_current_version">,
     MetaVarName<"<version>">,
     Alias<current_version>,
     HelpText<"Alias for -current_version">,
     Flags<[HelpHidden]>,
     Group<grp_dylib>;

def grp_main : OptionGroup<"main">, HelpText<"MAIN EXECUTABLE">;

def pie : Flag<["-"], "pie">,
     HelpText<"Build a position independent executable (default for macOS 10.7 and later)">,
     Flags<[HelpHidden]>,
     Group<grp_main>;
def no_pie : Flag<["-"], "no_pie">,
     HelpText<"Do not build a position independent executable (default for macOS 10.6 and earlier)">,
     Flags<[HelpHidden]>,
     Group<grp_main>;
def pagezero_size : Separate<["-"], "pagezero_size">,
     MetaVarName<"<size>">,
     HelpText<"Size of unreadable segment at address zero is hex <size> (default is 4KB on 32-bit and 4GB on 64-bit)">,
     Flags<[HelpHidden]>,
     Group<grp_main>;
def stack_size : Separate<["-"], "stack_size">,
     MetaVarName<"<size>">,
     HelpText<"Maximum hex stack size for the main thread in a program. (default is 8MB)">,
     Flags<[HelpHidden]>,
     Group<grp_main>;
def allow_stack_execute : Flag<["-"], "allow_stack_execute">,
     HelpText<"Mark stack segment as executable">,
     Flags<[HelpHidden]>,
     Group<grp_main>;
def export_dynamic : Flag<["-"], "export_dynamic">,
     HelpText<"Preserve all global symbols during LTO">,
     Flags<[HelpHidden]>,
     Group<grp_main>;

def grp_bundle : OptionGroup<"bundle">, HelpText<"CREATING A BUNDLE">;

def bundle_loader : Separate<["-"], "bundle_loader">,
     MetaVarName<"<executable>">,
     HelpText<"Resolve undefined symbols from <executable>">,
     Flags<[HelpHidden]>,
     Group<grp_bundle>;

def grp_object : OptionGroup<"object">, HelpText<"CREATING AN OBJECT FILE">;

def keep_private_externs : Flag<["-"], "keep_private_externs">,
     HelpText<"Do not convert private external symbols to static symbols">,
     Flags<[HelpHidden]>,
     Group<grp_object>;
def d : Flag<["-"], "d">,
     HelpText<"Force tentative into real definitions for common symbols">,
     Flags<[HelpHidden]>,
     Group<grp_object>;

def grp_resolve : OptionGroup<"resolve">, HelpText<"SYMBOL RESOLUTION">;

def exported_symbols_list : Separate<["-"], "exported_symbols_list">,
     MetaVarName<"<file>">,
     HelpText<"Symbols specified in <file> remain global, while others become private externs">,
     Flags<[HelpHidden]>,
     Group<grp_resolve>;
def exported_symbol : Separate<["-"], "exported_symbol">,
     MetaVarName<"<symbol>">,
     HelpText<"<symbol> remains global, while others become private externs">,
     Flags<[HelpHidden]>,
     Group<grp_resolve>;
def unexported_symbols_list : Separate<["-"], "unexported_symbols_list">,
     MetaVarName<"<file>">,
     HelpText<"Global symbols specified in <file> become private externs">,
     Flags<[HelpHidden]>,
     Group<grp_resolve>;
def unexported_symbol : Separate<["-"], "unexported_symbol">,
     MetaVarName<"<symbol>">,
     HelpText<"Global <symbol> becomes private extern">,
     Flags<[HelpHidden]>,
     Group<grp_resolve>;
def reexported_symbols_list : Separate<["-"], "reexported_symbols_list">,
     MetaVarName<"<file>">,
     HelpText<"Symbols from dependent dylibs specified in <file> are reexported by this dylib">,
     Flags<[HelpHidden]>,
     Group<grp_resolve>;
def alias : MultiArg<["-"], "alias", 2>,
     MetaVarName<"<symbol_name> <alternate_name>">,
     HelpText<"Create a symbol alias with default global visibility">,
     Flags<[HelpHidden]>,
     Group<grp_resolve>;
def alias_list : Separate<["-"], "alias_list">,
     MetaVarName<"<file>">,
     HelpText<"Create symbol aliases specified in <file>">,
     Flags<[HelpHidden]>,
     Group<grp_resolve>;
def flat_namespace : Flag<["-"], "flat_namespace">,
     HelpText<"Resolve symbols from all dylibs, both direct & transitive. Do not record source libraries: dyld must re-search at runtime and use the first definition found">,
     Flags<[HelpHidden]>,
     Group<grp_resolve>;
def u : Separate<["-"], "u">,
     MetaVarName<"<symbol>">,
     HelpText<"Require that <symbol> be defined for the link to succeed">,
     Flags<[HelpHidden]>,
     Group<grp_resolve>;
def U : Separate<["-"], "U">,
     MetaVarName<"<symbol>">,
     HelpText<"Allow <symbol> to have no definition">,
     Flags<[HelpHidden]>,
     Group<grp_resolve>;
def undefined : Separate<["-"], "undefined">,
     MetaVarName<"<treatment>">,
     HelpText<"Handle undefined symbols according to <treatment>: error, warning, suppress, or dynamic_lookup (default is error)">,
     Flags<[HelpHidden]>,
     Group<grp_resolve>;
def rpath : Separate<["-"], "rpath">,
     MetaVarName<"<path>">,
     HelpText<"Add <path> to dyld search list for dylibs with load path prefix `@rpath/'">,
     Group<grp_resolve>;
def commons : Separate<["-"], "commons">,
     MetaVarName<"<treatment>">,
     HelpText<"Resolve tentative definitions in dylibs according to <treatment>: ignore_dylibs, use_dylibs, error (default is ignore_dylibs)">,
     Flags<[HelpHidden]>,
     Group<grp_resolve>;

def grp_introspect : OptionGroup<"introspect">, HelpText<"INTROSPECTING THE LINKER">;

def why_load : Flag<["-"], "why_load">,
     HelpText<"Log the symbol that compels loading of each object file from a static library">,
     Flags<[HelpHidden]>,
     Group<grp_introspect>;
def whyload : Flag<["-"], "whyload">,
     Alias<why_load>,
     HelpText<"Alias for -why_load">,
     Flags<[HelpHidden]>,
     Group<grp_introspect>;
def why_live : Separate<["-"], "why_live">,
     MetaVarName<"<symbol>">,
     HelpText<"Log a chain of references to <symbol>, for use with -dead_strip">,
     Flags<[HelpHidden]>,
     Group<grp_introspect>;
def print_statistics : Flag<["-"], "print_statistics">,
     HelpText<"Log the linker's memory and CPU usage">,
     Flags<[HelpHidden]>,
     Group<grp_introspect>;
def t : Flag<["-"], "t">,
     HelpText<"Log every file the linker loads: object, archive, and dylib">,
     Flags<[HelpHidden]>,
     Group<grp_introspect>;
def whatsloaded : Flag<["-"], "whatsloaded">,
     HelpText<"Logs only the object files the linker loads">,
     Flags<[HelpHidden]>,
     Group<grp_introspect>;
def order_file_statistics : Flag<["-"], "order_file_statistics">,
     HelpText<"Logs information about -order_file">,
     Flags<[HelpHidden]>,
     Group<grp_introspect>;
def map : Separate<["-"], "map">,
     MetaVarName<"<path>">,
     HelpText<"Writes all symbols and their addresses to <path>">,
     Flags<[HelpHidden]>,
     Group<grp_introspect>;
def dependency_info : Separate<["-"], "dependency_info">,
     MetaVarName<"<path>">,
     HelpText<"Dump dependency info">,
     Flags<[HelpHidden]>,
     Group<grp_introspect>;
def save_temps : Flag<["-"], "save-temps">,
     HelpText<"Save temporary files instead of deleting them">,
     Group<grp_introspect>;

def grp_symtab : OptionGroup<"symtab">, HelpText<"SYMBOL TABLE OPTIMIZATIONS">;

def S : Flag<["-"], "S">,
     HelpText<"Strip debug information (STABS or DWARF) from the output">,
     Flags<[HelpHidden]>,
     Group<grp_symtab>;
def x : Flag<["-"], "x">,
     HelpText<"Exclude non-global symbols from the output symbol table">,
     Flags<[HelpHidden]>,
     Group<grp_symtab>;
def non_global_symbols_strip_list : Separate<["-"], "non_global_symbols_strip_list">,
     MetaVarName<"<path>">,
     HelpText<"Specify in <path> the non-global symbols that should be removed from the output symbol table">,
     Flags<[HelpHidden]>,
     Group<grp_symtab>;
def non_global_symbols_no_strip_list : Separate<["-"], "non_global_symbols_no_strip_list">,
     MetaVarName<"<path>">,
     HelpText<"Specify in <path> the non-global symbols that should remain in the output symbol table">,
     Flags<[HelpHidden]>,
     Group<grp_symtab>;
def oso_prefix : Separate<["-"], "oso_prefix">,
     MetaVarName<"<path>">,
     HelpText<"Remove the prefix <path> from OSO symbols in the debug map">,
     Flags<[HelpHidden]>,
     Group<grp_symtab>;

def grp_bitcode : OptionGroup<"bitcode">, HelpText<"BITCODE BUILD FLOW">;

def bitcode_bundle : Flag<["-"], "bitcode_bundle">,
     HelpText<"Generate an embedded bitcode bundle in the __LLVM,__bundle section of the output">,
     Flags<[HelpHidden]>,
     Group<grp_bitcode>;
def bitcode_hide_symbols : Flag<["-"], "bitcode_hide_symbols">,
     HelpText<"With -bitcode_bundle, hide all non-exported symbols from output bitcode bundle.">,
     Flags<[HelpHidden]>,
     Group<grp_bitcode>;
def bitcode_symbol_map : Separate<["-"], "bitcode_symbol_map">,
     MetaVarName<"<path>">,
     HelpText<"Write the bitcode symbol reverse mapping to file <path>, or if a directory, to <path>/UUID.bcsymbolmap">,
     Flags<[HelpHidden]>,
     Group<grp_bitcode>;

def grp_rare : OptionGroup<"rare">, HelpText<"RARELY USED">;

def v : Flag<["-"], "v">,
     HelpText<"Print the linker version">,
     Group<grp_rare>;
def version_details : Flag<["-"], "version_details">,
     HelpText<"Print the linker version in JSON form">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def no_weak_imports : Flag<["-"], "no_weak_imports">,
     HelpText<"Fail if any symbols are weak imports, allowed to be NULL at runtime">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def no_deduplicate : Flag<["-"], "no_deduplicate">,
     HelpText<"Omit the deduplication pass">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def verbose_deduplicate : Flag<["-"], "verbose_deduplicate">,
     HelpText<"Print function names eliminated by deduplication and the total size of code savings">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def no_inits : Flag<["-"], "no_inits">,
     HelpText<"Fail if the output contains static initializers">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def no_warn_inits : Flag<["-"], "no_warn_inits">,
     HelpText<"Suppress warnings for static initializers in the output">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def debug_variant : Flag<["-"], "debug_variant">,
     HelpText<"Suppress warnings germane to binaries shipping to customers">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def unaligned_pointers : Separate<["-"], "unaligned_pointers">,
     MetaVarName<"<treatment>">,
     HelpText<"Handle unaligned pointers in __DATA segments according to <treatment>: warning, error, or suppress (default for arm64e is error, otherwise suppress)">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def dirty_data_list : Separate<["-"], "dirty_data_list">,
     MetaVarName<"<path>">,
     HelpText<"Specify data symbols in <path> destined for the __DATA_DIRTY segment">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def max_default_common_align : Separate<["-"], "max_default_common_align">,
     MetaVarName<"<boundary>">,
     HelpText<"Reduce maximum alignment for common symbols to a hex power-of-2 <boundary>">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def move_to_rw_segment : MultiArg<["-"], "move_to_rw_segment", 2>,
     MetaVarName<"<segment> <path>">,
     HelpText<"Move data symbols listed in <path> to another <segment>">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def move_to_ro_segment : MultiArg<["-"], "move_to_ro_segment", 2>,
     MetaVarName<"<segment> <path>">,
     HelpText<"Move code symbols listed in <path> to another <segment>">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def rename_section : MultiArg<["-"], "rename_section", 4>,
     MetaVarName<"<from_segment> <from_section> <to_segment> <to_section>">,
     HelpText<"Rename <from_segment>/<from_section> as <to_segment>/<to_section>">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def rename_segment : MultiArg<["-"], "rename_segment", 2>,
     MetaVarName<"<from_segment> <to_segment>">,
     HelpText<"Rename <from_segment> as <to_segment>">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def trace_symbol_layout : Flag<["-"], "trace_symbol_layout">,
     HelpText<"Show where and why symbols move, as specified by -move_to_ro_segment, -move_to_rw_segment, -rename_section, and -rename_segment">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def section_order : MultiArg<["-"], "section_order", 2>,
     MetaVarName<"<segment> <sections>">,
     HelpText<"With -preload, specify layout sequence of colon-separated <sections> in <segment>">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def segment_order : Separate<["-"], "segment_order">,
     MetaVarName<"<colon_separated_segment_list>">,
     HelpText<"With -preload, specify layout sequence of colon-separated <segments>">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def allow_heap_execute : Flag<["-"], "allow_heap_execute">,
     HelpText<"On i386, allow any page to execute code">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def application_extension : Flag<["-"], "application_extension">,
     HelpText<"Designate the linker output as safe for use in an application extension">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def no_application_extension : Flag<["-"], "no_application_extension">,
     HelpText<"Designate the linker output as unsafe for use in an application extension">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def fatal_warnings : Flag<["-"], "fatal_warnings">,
     HelpText<"Escalate warnings as errors">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def no_eh_labels : Flag<["-"], "no_eh_labels">,
     HelpText<"In -r mode, suppress .eh labels in the __eh_frame section">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def warn_compact_unwind : Flag<["-"], "warn_compact_unwind">,
     HelpText<"Warn for each FDE that cannot compact into the __unwind_info section and must remain in the __eh_frame section">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def warn_weak_exports : Flag<["-"], "warn_weak_exports">,
     HelpText<"Warn if the linked image contains weak external symbols">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def no_weak_exports : Flag<["-"], "no_weak_exports">,
     HelpText<"Fail if the linked image contains weak external symbols">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def objc_gc_compaction : Flag<["-"], "objc_gc_compaction">,
     HelpText<"Mark the Objective-C image as compatible with compacting garbage collection">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def objc_gc : Flag<["-"], "objc_gc">,
     HelpText<"Verify that all code was compiled with -fobjc-gc or -fobjc-gc-only">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def objc_gc_only : Flag<["-"], "objc_gc_only">,
     HelpText<"Verify that all code was compiled with -fobjc-gc-only">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def dead_strip_dylibs : Flag<["-"], "dead_strip_dylibs">,
     HelpText<"Remove dylibs that are unreachable by the entry point or exported symbols">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def allow_sub_type_mismatches : Flag<["-"], "allow_sub_type_mismatches">,
     HelpText<"Permit mixing objects compiled for different ARM CPU subtypes">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def no_uuid : Flag<["-"], "no_uuid">,
     HelpText<"Do not generate the LC_UUID load command">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def root_safe : Flag<["-"], "root_safe">,
     HelpText<"Set the MH_ROOT_SAFE bit in the mach-o header">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def setuid_safe : Flag<["-"], "setuid_safe">,
     HelpText<"Set the MH_SETUID_SAFE bit in the mach-o header">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def interposable : Flag<["-"], "interposable">,
     HelpText<"Indirects access to all to exported symbols in a dylib">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def multi_module : Flag<["-"], "multi_module">,
     Alias<interposable>,
     HelpText<"Alias for -interposable">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def init : Separate<["-"], "init">,
     MetaVarName<"<symbol>">,
     HelpText<"Run <symbol> as the first initializer in a dylib">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def sub_library : Separate<["-"], "sub_library">,
     MetaVarName<"<name>">,
     HelpText<"Re-export the dylib as <name>">,
     Group<grp_rare>;
def sub_umbrella : Separate<["-"], "sub_umbrella">,
     MetaVarName<"<name>">,
     HelpText<"Re-export the framework as <name>">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def allowable_client : Separate<["-"], "allowable_client">,
     MetaVarName<"<name>">,
     HelpText<"Specify <name> of a dylib or framework that is allowed to link to this dylib">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def client_name : Separate<["-"], "client_name">,
     MetaVarName<"<name>">,
     HelpText<"Specifies a <name> this client should match with the -allowable_client <name> in a dependent dylib">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def umbrella : Separate<["-"], "umbrella">,
     MetaVarName<"<<name>>">,
     HelpText<"Re-export this dylib through the umbrella framework <name>a">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def headerpad : Separate<["-"], "headerpad">,
     MetaVarName<"<size>">,
     HelpText<"Allocate hex <size> extra space for future expansion of the load commands via install_name_tool (default is 0x20)">,
     Group<grp_rare>;
def headerpad_max_install_names : Flag<["-"], "headerpad_max_install_names">,
     HelpText<"Allocate extra space so all load-command paths can expand to MAXPATHLEN via install_name_tool">,
     Group<grp_rare>;
def bind_at_load : Flag<["-"], "bind_at_load">,
     HelpText<"Tell dyld to bind all symbols at load time, rather than lazily">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def force_flat_namespace : Flag<["-"], "force_flat_namespace">,
     HelpText<"Tell dyld to use a flat namespace on this executable and all its dependent dylibs & bundles">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def segalign : Separate<["-"], "segalign">,
     MetaVarName<"<boundary>">,
     HelpText<"Align all segments to hex power-of-2 <boundary>">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def sectalign : MultiArg<["-"], "sectalign", 3>,
     MetaVarName<"<segment> <section> <boundary>">,
     HelpText<"Align <section> within <segment> to hex power-of-2 <boundary>">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def stack_addr : Separate<["-"], "stack_addr">,
     MetaVarName<"<address>">,
     HelpText<"Initialize stack pointer to hex <address> rounded to a page boundary">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def segprot : MultiArg<["-"], "segprot", 3>,
     MetaVarName<"<segment> <max> <init>">,
     HelpText<"Specifies the <max> and <init> virtual memory protection of <segment> as r/w/x/-seg_addr_table path Specify hex base addresses and dylib install names on successive lines in <path>. This option is obsolete">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def segs_read_write_addr : Separate<["-"], "segs_read_write_addr">,
     MetaVarName<"<address>">,
     HelpText<"This option is obsolete">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def segs_read_only_addr : Separate<["-"], "segs_read_only_addr">,
     MetaVarName<"<address>">,
     HelpText<"This option is obsolete">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def segaddr : MultiArg<["-"], "segaddr", 2>,
     MetaVarName<"<segment> <address>">,
     HelpText<"Specify the starting hex <address> at a 4KiB page boundary for <segment>">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def seg_page_size : MultiArg<["-"], "seg_page_size", 2>,
     MetaVarName<"<segment> <size>">,
     HelpText<"Specifies the page <size> for <segment>. Segment size will be a multiple of its page size">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def dylib_file : Separate<["-"], "dylib_file">,
     MetaVarName<"<install_path:current_path>">,
     HelpText<"Specify <current_path> as different from where a dylib normally resides at <install_path>">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def prebind : Flag<["-"], "prebind">,
     HelpText<"This option is obsolete">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def weak_reference_mismatches : Separate<["-"], "weak_reference_mismatches">,
     MetaVarName<"<treatment>">,
     HelpText<"Resolve symbol imports of conflicting weakness according to <treatment> as weak, non-weak, or error (default is non-weak)">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def read_only_relocs : Separate<["-"], "read_only_relocs">,
     MetaVarName<"<treatment>">,
     HelpText<"Handle relocations that modify read-only pages according to <treatment> of warning, error, or suppress (i.e., allow)">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def force_cpusubtype_ALL : Flag<["-"], "force_cpusubtype_ALL">,
     HelpText<"Mark binary as runnable on any PowerPC, ignoring any PowerPC cpu requirements encoded in the object files">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def no_arch_warnings : Flag<["-"], "no_arch_warnings">,
     HelpText<"Suppresses warnings about inputs whose architecture does not match the -arch option">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def arch_errors_fatal : Flag<["-"], "arch_errors_fatal">,
     HelpText<"Escalate to errors any warnings about inputs whose architecture does not match the -arch option">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def e : Separate<["-"], "e">,
     MetaVarName<"<symbol>">,
     HelpText<"Make <symbol> the entry point of an executable (default is \"start\" from crt1.o)">,
     Group<grp_rare>;
def w : Flag<["-"], "w">,
     HelpText<"Suppress all warnings">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def final_output : Separate<["-"], "final_output">,
     MetaVarName<"<name>">,
     HelpText<"Specify the dylib install name if -install_name is not used--used by compiler driver for multiple -arch arguments">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def arch_multiple : Flag<["-"], "arch_multiple">,
     HelpText<"Augment error and warning messages with the architecture name">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def twolevel_namespace_hints : Flag<["-"], "twolevel_namespace_hints">,
     HelpText<"This option is obsolete">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def dot : Separate<["-"], "dot">,
     MetaVarName<"<path>">,
     HelpText<"Write a graph of symbol dependencies to <path> as a .dot file viewable with GraphViz">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def keep_relocs : Flag<["-"], "keep_relocs">,
     HelpText<"Retain section-based relocation records in the output, which are ignored at runtime by dyld">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def warn_stabs : Flag<["-"], "warn_stabs">,
     HelpText<"Warn when bad stab symbols inside a BINCL/EINCL prevent optimization">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def warn_commons : Flag<["-"], "warn_commons">,
     HelpText<"Warn when a tentative definition in an object file matches an external symbol in a dylib, which often means \"extern\" is missing from a variable declaration in a header file">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def read_only_stubs : Flag<["-"], "read_only_stubs">,
     HelpText<"On i386, make the __IMPORT segment of a final linked image read-only">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def slow_stubs : Flag<["-"], "slow_stubs">,
     HelpText<"This option is obsolete">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def interposable_list : Separate<["-"], "interposable_list">,
     MetaVarName<"<path>">,
     HelpText<"Access global symbols listed in <path> indirectly">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def no_function_starts : Flag<["-"], "no_function_starts">,
     HelpText<"Do not creates a compressed table of function start addresses">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def no_objc_category_merging : Flag<["-"], "no_objc_category_merging">,
     HelpText<"Do not merge Objective-C categories into their classes">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def object_path_lto : Separate<["-"], "object_path_lto">,
     MetaVarName<"<path>">,
     HelpText<"Retain any temporary mach-o file in <path> that would otherwise be deleted during LTO">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def lto_library : Separate<["-"], "lto_library">,
     MetaVarName<"<path>">,
     HelpText<"Override the default ../lib/libLTO.dylib as <path>">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def cache_path_lto : Separate<["-"], "cache_path_lto">,
     MetaVarName<"<path>">,
     HelpText<"Use <path> as a directory for the incremental LTO cache">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def prune_interval_lto : Separate<["-"], "prune_interval_lto">,
     MetaVarName<"<seconds>">,
     HelpText<"Prune the incremental LTO cache after <seconds> (-1 disables pruning)">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def prune_after_lto : Separate<["-"], "prune_after_lto">,
     MetaVarName<"<seconds>">,
     HelpText<"Remove LTO cache entries after <seconds>">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def max_relative_cache_size_lto : Separate<["-"], "max_relative_cache_size_lto">,
     MetaVarName<"<percent>">,
     HelpText<"Limit the incremental LTO cache growth to <percent> of free disk, space">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def page_align_data_atoms : Flag<["-"], "page_align_data_atoms">,
     HelpText<"Distribute global variables on separate pages so page used/dirty status can guide creation of an order file to cluster commonly used/dirty globals">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def not_for_dyld_shared_cache : Flag<["-"], "not_for_dyld_shared_cache">,
     HelpText<"Prevent system dylibs from being placed into the dylib shared cache">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;
def mllvm : Separate<["-"], "mllvm">,
     HelpText<"Options to pass to LLVM">,
     Flags<[HelpHidden]>,
     Group<grp_rare>;

def grp_deprecated : OptionGroup<"deprecated">, HelpText<"DEPRECATED">;

def lazy_framework : Separate<["-"], "lazy_framework">,
     MetaVarName<"<name>">,
     HelpText<"This option is deprecated and is now an alias for -framework.">,
     Flags<[HelpHidden]>,
     Group<grp_deprecated>;
def lazy_library : Separate<["-"], "lazy_library">,
     MetaVarName<"<path>">,
     HelpText<"This option is deprecated and is now an alias for regular linking">,
     Flags<[HelpHidden]>,
     Group<grp_deprecated>;
def lazy_l : Joined<["-"], "lazy-l">,
     MetaVarName<"<name>">,
     HelpText<"This option is deprecated and is now an alias for -l<path>.">,
     Flags<[HelpHidden]>,
     Group<grp_deprecated>;
def single_module : Flag<["-"], "single_module">,
     HelpText<"Unnecessary option: this is already the default">,
     Flags<[HelpHidden]>,
     Group<grp_deprecated>;
def no_dead_strip_inits_and_terms : Flag<["-"], "no_dead_strip_inits_and_terms">,
     HelpText<"Unnecessary option: initialization and termination are roots of the dead strip graph, so never dead stripped">,
     Flags<[HelpHidden]>,
     Group<grp_deprecated>;
def noall_load : Flag<["-"], "noall_load">,
     HelpText<"Unnecessary option: this is already the default">,
     Flags<[HelpHidden]>,
     Group<grp_deprecated>;

def grp_obsolete : OptionGroup<"obsolete">, HelpText<"OBSOLETE">;

def y : Joined<["-"], "y">,
     MetaVarName<"<symbol>">,
     HelpText<"This option is obsolete in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_obsolete>;
def sectobjectsymbols : MultiArg<["-"], "sectobjectsymbols", 2>,
     MetaVarName<"<segname> <sectname>">,
     HelpText<"This option is obsolete in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_obsolete>;
def nofixprebinding : Flag<["-"], "nofixprebinding">,
     HelpText<"This option is obsolete in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_obsolete>;
def noprebind_all_twolevel_modules : Flag<["-"], "noprebind_all_twolevel_modules">,
     HelpText<"This option is obsolete in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_obsolete>;
def prebind_all_twolevel_modules : Flag<["-"], "prebind_all_twolevel_modules">,
     HelpText<"This option is obsolete in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_obsolete>;
def prebind_allow_overlap : Flag<["-"], "prebind_allow_overlap">,
     HelpText<"This option is obsolete in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_obsolete>;
def noprebind : Flag<["-"], "noprebind">,
     HelpText<"This option is obsolete in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_obsolete>;
def sect_diff_relocs : Separate<["-"], "sect_diff_relocs">,
     MetaVarName<"<treatment>">,
     HelpText<"This option is obsolete in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_obsolete>;
def A : Separate<["-"], "A">,
     MetaVarName<"<basefile>">,
     HelpText<"This option is obsolete in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_obsolete>;
def b : Flag<["-"], "b">,
     HelpText<"This option is obsolete in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_obsolete>;
def Sn : Flag<["-"], "Sn">,
     HelpText<"This option is obsolete in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_obsolete>;
def Si : Flag<["-"], "Si">,
     HelpText<"This option is obsolete in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_obsolete>;
def Sp : Flag<["-"], "Sp">,
     HelpText<"This option is obsolete in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_obsolete>;
def X : Flag<["-"], "X">,
     HelpText<"This option is obsolete in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_obsolete>;
def s : Flag<["-"], "s">,
     HelpText<"This option is obsolete in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_obsolete>;
def m : Flag<["-"], "m">,
     HelpText<"This option is obsolete in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_obsolete>;
def Y : Separate<["-"], "Y">,
     MetaVarName<"<number>">,
     HelpText<"This option is obsolete in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_obsolete>;
def nomultidefs : Flag<["-"], "nomultidefs">,
     HelpText<"This option is obsolete in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_obsolete>;
def multiply_defined_unused : Separate<["-"], "multiply_defined_unused">,
     MetaVarName<"<treatment>">,
     HelpText<"This option is obsolete in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_obsolete>;
def multiply_defined : Separate<["-"], "multiply_defined">,
     MetaVarName<"<treatment>">,
     HelpText<"This option is obsolete in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_obsolete>;
def private_bundle : Flag<["-"], "private_bundle">,
     HelpText<"This option is obsolete in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_obsolete>;
def seg_addr_table_filename : Separate<["-"], "seg_addr_table_filename">,
     MetaVarName<"<path>">,
     HelpText<"This option is obsolete in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_obsolete>;
def sectorder_detail : Flag<["-"], "sectorder_detail">,
     HelpText<"This option is obsolete in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_obsolete>;
def no_compact_linkedit : Flag<["-"], "no_compact_linkedit">,
     HelpText<"This option is obsolete in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_obsolete>;
def dependent_dr_info : Flag<["-"], "dependent_dr_info">,
     HelpText<"This option is obsolete in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_obsolete>;
def no_dependent_dr_info : Flag<["-"], "no_dependent_dr_info">,
     HelpText<"This option is obsolete in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_obsolete>;
def seglinkedit : Flag<["-"], "seglinkedit">,
     HelpText<"This option is obsolete in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_obsolete>;
def noseglinkedit : Flag<["-"], "noseglinkedit">,
     HelpText<"This option is obsolete in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_obsolete>;
def fvmlib : Flag<["-"], "fvmlib">,
     HelpText<"This option is obsolete in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_obsolete>;
def run_init_lazily : Flag<["-"], "run_init_lazily">,
     HelpText<"This option is obsolete in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_obsolete>;

def grp_undocumented : OptionGroup<"undocumented">, HelpText<"UNDOCUMENTED">;

def add_ast_path : Flag<["-"], "add_ast_path">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def add_linker_option : Flag<["-"], "add_linker_option">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def add_source_version : Flag<["-"], "add_source_version">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def no_source_version : Flag<["-"], "no_source_version">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def add_split_seg_info : Flag<["-"], "add_split_seg_info">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def allow_dead_duplicates : Flag<["-"], "allow_dead_duplicates">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def allow_simulator_linking_to_macosx_dylibs : Flag<["-"], "allow_simulator_linking_to_macosx_dylibs">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def bitcode_process_mode : Flag<["-"], "bitcode_process_mode">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def bitcode_verify : Flag<["-"], "bitcode_verify">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def classic_linker : Flag<["-"], "classic_linker">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def data_const : Flag<["-"], "data_const">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def no_data_const : Flag<["-"], "no_data_const">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def data_in_code_info : Flag<["-"], "data_in_code_info">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def no_data_in_code_info : Flag<["-"], "no_data_in_code_info">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def debug_snapshot : Flag<["-"], "debug_snapshot">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def demangle : Flag<["-"], "demangle">,
     HelpText<"Demangle symbol names in diagnostics">;
def dyld_env : Flag<["-"], "dyld_env">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def encryptable : Flag<["-"], "encryptable">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def executable_path : Flag<["-"], "executable_path">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def fixup_chains : Flag<["-"], "fixup_chains">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def fixup_chains_section : Flag<["-"], "fixup_chains_section">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def flto_codegen_only : Flag<["-"], "flto-codegen-only">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def force_load_swift_libs : Flag<["-"], "force_load_swift_libs">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def force_symbol_not_weak : Flag<["-"], "force_symbol_not_weak">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def force_symbols_coalesce_list : Flag<["-"], "force_symbols_coalesce_list">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def force_symbols_not_weak_list : Flag<["-"], "force_symbols_not_weak_list">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def force_symbols_weak_list : Flag<["-"], "force_symbols_weak_list">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def force_symbol_weak : Flag<["-"], "force_symbol_weak">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def function_starts : Flag<["-"], "function_starts">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def i : Flag<["-"], "i">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def ignore_auto_link : Flag<["-"], "ignore_auto_link">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def ignore_optimization_hints : Flag<["-"], "ignore_optimization_hints">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def init_offsets : Flag<["-"], "init_offsets">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def keep_dwarf_unwind : Flag<["-"], "keep_dwarf_unwind">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def no_keep_dwarf_unwind : Flag<["-"], "no_keep_dwarf_unwind">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def kext : Flag<["-"], "kext">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def kext_objects_dir : Flag<["-"], "kext_objects_dir">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def no_kext_objects : Flag<["-"], "no_kext_objects">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def kexts_use_stubs : Flag<["-"], "kexts_use_stubs">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def maccatalyst_version_min : Flag<["-"], "maccatalyst_version_min">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def iosmac_version_min : Flag<["-"], "iosmac_version_min">,
     Alias<maccatalyst_version_min>,
     HelpText<"Alias for -maccatalyst_version_min">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def uikitformac_version_min : Flag<["-"], "uikitformac_version_min">,
     Alias<maccatalyst_version_min>,
     HelpText<"Alias for -maccatalyst_version_min">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def mcpu : Flag<["-"], "mcpu">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def no_compact_unwind : Flag<["-"], "no_compact_unwind">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def no_dtrace_dof : Flag<["-"], "no_dtrace_dof">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def no_encryption : Flag<["-"], "no_encryption">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def no_new_main : Flag<["-"], "no_new_main">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def objc_abi_version : Separate<["-"], "objc_abi_version">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def pause : Flag<["-"], "pause">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def random_uuid : Flag<["-"], "random_uuid">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def simulator_support : Flag<["-"], "simulator_support">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def snapshot_dir : Flag<["-"], "snapshot_dir">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def source_version : Flag<["-"], "source_version">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def text_exec : Flag<["-"], "text_exec">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def threaded_starts_section : Flag<["-"], "threaded_starts_section">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def twolevel_namespace : Flag<["-"], "twolevel_namespace">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def verbose_optimization_hints : Flag<["-"], "verbose_optimization_hints">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;
def version_load_command : Flag<["-"], "version_load_command">,
     HelpText<"This option is undocumented in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_undocumented>;

def grp_ignored : OptionGroup<"ignored">, HelpText<"IGNORED">;

def M : Flag<["-"], "M">,
     HelpText<"This option is ignored in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_ignored>;
def new_linker : Flag<["-"], "new_linker">,
     HelpText<"This option is ignored in ld64">,
     Flags<[HelpHidden]>,
     Group<grp_ignored>;