Options.td revision cfe9af250f466e7e38becea4428990448ae07737
1//===--- DriverOptions.td - Options for clang -----------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10//  This file defines the options accepted by clang.
11//
12//===----------------------------------------------------------------------===//
13
14// Include the common option parsing interfaces.
15include "OptParser.td"
16
17/////////
18// Groups
19
20// Meta-group which defines
21def CompileOnly_Group     : OptionGroup<"<CompileOnly group>">;
22
23def I_Group               : OptionGroup<"<I group>">, Group<CompileOnly_Group>;
24def M_Group               : OptionGroup<"<M group>">, Group<CompileOnly_Group>;
25def T_Group               : OptionGroup<"<T group>">;
26def O_Group               : OptionGroup<"<O group>">, Group<CompileOnly_Group>;
27def W_Group               : OptionGroup<"<W group>">, Group<CompileOnly_Group>;
28def X_Group               : OptionGroup<"<X group>">;
29def a_Group               : OptionGroup<"<a group>">;
30def d_Group               : OptionGroup<"<d group>">;
31def f_Group               : OptionGroup<"<f group>">, Group<CompileOnly_Group>;
32def g_Group               : OptionGroup<"<g group>">;
33def i_Group               : OptionGroup<"<i group>">, Group<CompileOnly_Group>;
34def clang_i_Group         : OptionGroup<"<clang i group>">, Group<i_Group>;
35def m_Group               : OptionGroup<"<m group>">, Group<CompileOnly_Group>;
36def m_x86_Features_Group  : OptionGroup<"<m x86 features group>">, Group<m_Group>;
37def u_Group               : OptionGroup<"<u group>">;
38
39def pedantic_Group        : OptionGroup<"<pedantic group>">,
40  Group<CompileOnly_Group>;
41def reserved_lib_Group   : OptionGroup<"<reserved libs group>">;
42
43// Temporary groups for clang options which we know we don't support,
44// but don't want to verbosely warn the user about.
45def clang_ignored_f_Group : OptionGroup<"<clang ignored f group>">,
46  Group<f_Group>;
47def clang_ignored_m_Group : OptionGroup<"<clang ignored m group>">,
48  Group<m_Group>;
49
50/////////
51// Options
52
53// The internal option ID must be a valid C++ identifier and results in a
54// clang::driver::options::OPT_XX enum constant for XX.
55//
56// We want to unambiguously be able to refer to options from the driver source
57// code, for this reason the option name is mangled into an ID. This mangling
58// isn't guaranteed to have an inverse, but for practical purposes it does.
59//
60// The mangling scheme is to ignore the leading '-', and perform the following
61// substitutions:
62//   _ => __
63//   - => _
64//   # => _HASH
65//   , => _COMMA
66//   = => _EQ
67//   C++ => CXX
68//   . => _
69
70// Developer Driver Options
71
72def ccc_Group : OptionGroup<"<clang internal options>">;
73def ccc_driver_Group : OptionGroup<"<clang driver internal options>">,
74  Group<ccc_Group>, HelpText<"DRIVER OPTIONS">;
75def ccc_debug_Group : OptionGroup<"<clang debug/development internal options>">,
76  Group<ccc_Group>, HelpText<"DEBUG/DEVELOPMENT OPTIONS">;
77
78class CCCDriverOpt : Group<ccc_driver_Group>, Flags<[DriverOption, HelpHidden]>;
79def ccc_cxx : Flag<"-ccc-cxx">, CCCDriverOpt,
80  HelpText<"Act as a C++ driver">;
81def ccc_echo : Flag<"-ccc-echo">, CCCDriverOpt,
82  HelpText<"Echo commands before running them">;
83def ccc_gcc_name : Separate<"-ccc-gcc-name">, CCCDriverOpt,
84  HelpText<"Name for native GCC compiler">,
85  MetaVarName<"<gcc-path>">;
86def ccc_clang_cxx : Flag<"-ccc-clang-cxx">, CCCDriverOpt,
87  HelpText<"Enable the clang compiler for C++">;
88def ccc_no_clang_cxx : Flag<"-ccc-no-clang-cxx">, CCCDriverOpt,
89  HelpText<"Disable the clang compiler for C++">;
90def ccc_no_clang : Flag<"-ccc-no-clang">, CCCDriverOpt,
91  HelpText<"Disable the clang compiler">;
92def ccc_no_clang_cpp : Flag<"-ccc-no-clang-cpp">, CCCDriverOpt,
93  HelpText<"Disable the clang preprocessor">;
94def ccc_clang_archs : Separate<"-ccc-clang-archs">, CCCDriverOpt,
95  HelpText<"Comma separate list of architectures to use the clang compiler for">,
96  MetaVarName<"<arch-list>">;
97def ccc_pch_is_pch : Flag<"-ccc-pch-is-pch">, CCCDriverOpt,
98  HelpText<"Use lazy PCH for precompiled headers">;
99def ccc_pch_is_pth : Flag<"-ccc-pch-is-pth">, CCCDriverOpt,
100  HelpText<"Use pretokenized headers for precompiled headers">;
101
102class CCCDebugOpt : Group<ccc_debug_Group>, Flags<[DriverOption, HelpHidden]>;
103def ccc_host_triple : Separate<"-ccc-host-triple">, CCCDebugOpt,
104  HelpText<"Simulate running on the given target">;
105def ccc_install_dir : Separate<"-ccc-install-dir">, CCCDebugOpt,
106  HelpText<"Simulate installation in the given directory">;
107def ccc_print_options : Flag<"-ccc-print-options">, CCCDebugOpt,
108  HelpText<"Dump parsed command line arguments">;
109def ccc_print_phases : Flag<"-ccc-print-phases">, CCCDebugOpt,
110  HelpText<"Dump list of actions to perform">;
111def ccc_print_bindings : Flag<"-ccc-print-bindings">, CCCDebugOpt,
112  HelpText<"Show bindings of tools to actions">;
113
114// Make sure all other -ccc- options are rejected.
115def ccc_ : Joined<"-ccc-">, Group<ccc_Group>, Flags<[Unsupported]>;
116
117// Standard Options
118
119def _HASH_HASH_HASH : Flag<"-###">, Flags<[DriverOption]>,
120    HelpText<"Print the commands to run for this compilation">;
121def A : JoinedOrSeparate<"-A">;
122def B : JoinedOrSeparate<"-B">;
123def CC : Flag<"-CC">;
124def C : Flag<"-C">;
125def D : JoinedOrSeparate<"-D">, Group<CompileOnly_Group>;
126def E : Flag<"-E">, Flags<[DriverOption]>,
127  HelpText<"Only run the preprocessor">;
128def F : JoinedOrSeparate<"-F">, Flags<[RenderJoined]>;
129def H : Flag<"-H">;
130def I_ : Flag<"-I-">, Group<I_Group>;
131def I : JoinedOrSeparate<"-I">, Group<I_Group>;
132def L : JoinedOrSeparate<"-L">, Flags<[RenderJoined]>;
133def MD : Flag<"-MD">, Group<M_Group>;
134def MF : JoinedOrSeparate<"-MF">, Group<M_Group>;
135def MG : Flag<"-MG">, Group<M_Group>;
136def MMD : Flag<"-MMD">, Group<M_Group>;
137def MM : Flag<"-MM">, Group<M_Group>;
138def MP : Flag<"-MP">, Group<M_Group>;
139def MQ : JoinedOrSeparate<"-MQ">, Group<M_Group>;
140def MT : JoinedOrSeparate<"-MT">, Group<M_Group>;
141def Mach : Flag<"-Mach">;
142def M : Flag<"-M">, Group<M_Group>;
143def O0 : Joined<"-O0">, Group<O_Group>;
144def O4 : Joined<"-O4">, Group<O_Group>;
145def ObjCXX : Flag<"-ObjC++">, Flags<[DriverOption]>,
146  HelpText<"Treat source input files as Objective-C++ inputs">;
147def ObjC : Flag<"-ObjC">, Flags<[DriverOption]>,
148  HelpText<"Treat source input files as Objective-C inputs">;
149def O : Joined<"-O">, Group<O_Group>;
150def P : Flag<"-P">;
151def Qn : Flag<"-Qn">;
152def Qunused_arguments : Flag<"-Qunused-arguments">, Flags<[DriverOption]>,
153  HelpText<"Don't emit warning for unused driver arguments">;
154def Q : Flag<"-Q">;
155def R : Flag<"-R">;
156def S : Flag<"-S">, Flags<[DriverOption]>,
157  HelpText<"Only run preprocess and compilation steps">;
158def Tbss : JoinedOrSeparate<"-Tbss">, Group<T_Group>;
159def Tdata : JoinedOrSeparate<"-Tdata">, Group<T_Group>;
160def Ttext : JoinedOrSeparate<"-Ttext">, Group<T_Group>;
161def T : JoinedOrSeparate<"-T">, Group<T_Group>;
162def U : JoinedOrSeparate<"-U">, Group<CompileOnly_Group>;
163def V : JoinedOrSeparate<"-V">, Flags<[DriverOption, Unsupported]>;
164def Wa_COMMA : CommaJoined<"-Wa,">,
165  HelpText<"Pass the comma separated arguments in <arg> to the assembler">,
166  MetaVarName<"<arg>">;
167def Wall : Flag<"-Wall">, Group<W_Group>;
168def Wextra : Flag<"-Wextra">, Group<W_Group>;
169def Wl_COMMA : CommaJoined<"-Wl,">, Flags<[LinkerInput, RenderAsInput]>,
170  HelpText<"Pass the comma separated arguments in <arg> to the linker">,
171  MetaVarName<"<arg>">;
172def Wno_nonportable_cfstrings : Joined<"-Wno-nonportable-cfstrings">, Group<W_Group>;
173def Wnonportable_cfstrings : Joined<"-Wnonportable-cfstrings">, Group<W_Group>;
174def Wp_COMMA : CommaJoined<"-Wp,">,
175  HelpText<"Pass the comma separated arguments in <arg> to the preprocessor">,
176  MetaVarName<"<arg>">;
177def W_Joined : Joined<"-W">, Group<W_Group>;
178def Xanalyzer : Separate<"-Xanalyzer">,
179  HelpText<"Pass <arg> to the static analyzer">, MetaVarName<"<arg>">;
180def Xarch__ : JoinedAndSeparate<"-Xarch_">, Flags<[DriverOption]>;
181def Xassembler : Separate<"-Xassembler">,
182  HelpText<"Pass <arg> to the assembler">, MetaVarName<"<arg>">;
183def Xclang : Separate<"-Xclang">,
184  HelpText<"Pass <arg> to the clang compiler">, MetaVarName<"<arg>">,
185  Flags<[NoForward]>;
186def Xlinker : Separate<"-Xlinker">, Flags<[LinkerInput, RenderAsInput]>,
187  HelpText<"Pass <arg> to the linker">, MetaVarName<"<arg>">;
188def Xpreprocessor : Separate<"-Xpreprocessor">,
189  HelpText<"Pass <arg> to the preprocessor">, MetaVarName<"<arg>">;
190def X_Flag : Flag<"-X">;
191def X_Joined : Joined<"-X">;
192def Z_Flag : Flag<"-Z">;
193def Z_Joined : Joined<"-Z">;
194def all__load : Flag<"-all_load">;
195def allowable__client : Separate<"-allowable_client">;
196def ansi : Flag<"-ansi">, Group<a_Group>;
197def arch__errors__fatal : Flag<"-arch_errors_fatal">;
198def arch : Separate<"-arch">, Flags<[DriverOption]>;
199def arch__only : Separate<"-arch_only">;
200def a : Joined<"-a">, Group<a_Group>;
201def bind__at__load : Flag<"-bind_at_load">;
202def bundle__loader : Separate<"-bundle_loader">;
203def bundle : Flag<"-bundle">;
204def b : JoinedOrSeparate<"-b">, Flags<[Unsupported]>;
205def client__name : JoinedOrSeparate<"-client_name">;
206def combine : Flag<"-combine">, Flags<[DriverOption, Unsupported]>;
207def compatibility__version : JoinedOrSeparate<"-compatibility_version">;
208def coverage : Flag<"-coverage">;
209def cpp_precomp : Flag<"-cpp-precomp">;
210def current__version : JoinedOrSeparate<"-current_version">;
211def cxx_isystem : JoinedOrSeparate<"-cxx-isystem">, Group<clang_i_Group>;
212def c : Flag<"-c">, Flags<[DriverOption]>,
213  HelpText<"Only run preprocess, compile, and assemble steps">;
214def dA : Flag<"-dA">, Group<d_Group>;
215def dD : Flag<"-dD">, Group<d_Group>;
216def dM : Flag<"-dM">, Group<d_Group>;
217def dead__strip : Flag<"-dead_strip">;
218def dependency_file : Separate<"-dependency-file">;
219def dumpmachine : Flag<"-dumpmachine">;
220def dumpspecs : Flag<"-dumpspecs">, Flags<[Unsupported]>;
221def dumpversion : Flag<"-dumpversion">;
222def dylib__file : Separate<"-dylib_file">;
223def dylinker__install__name : JoinedOrSeparate<"-dylinker_install_name">;
224def dylinker : Flag<"-dylinker">;
225def dynamiclib : Flag<"-dynamiclib">;
226def dynamic : Flag<"-dynamic">, Flags<[NoArgumentUnused]>;
227def d_Flag : Flag<"-d">, Group<d_Group>;
228def d_Joined : Joined<"-d">, Group<d_Group>;
229def emit_ast : Flag<"-emit-ast">,
230  HelpText<"Emit Clang AST files for source inputs">;
231def emit_llvm : Flag<"-emit-llvm">,
232  HelpText<"Use the LLVM representation for assembler and object files">;
233def exported__symbols__list : Separate<"-exported_symbols_list">;
234def e : JoinedOrSeparate<"-e">;
235def fPIC : Flag<"-fPIC">, Group<f_Group>;
236def fPIE : Flag<"-fPIE">, Group<f_Group>;
237def fno_PIE : Flag<"-fno-PIE">, Group<f_Group>;
238def faccess_control : Flag<"-faccess-control">, Group<f_Group>;
239def fallow_unsupported : Flag<"-fallow-unsupported">, Group<f_Group>;
240def fapple_kext : Flag<"-fapple-kext">, Group<f_Group>;
241def fasm : Flag<"-fasm">, Group<f_Group>;
242
243def fasm_blocks : Flag<"-fasm-blocks">, Group<f_Group>;
244def fno_asm_blocks : Flag<"-fno-asm-blocks">, Group<f_Group>;
245
246def fassume_sane_operator_new : Flag<"-fassume-sane-operator-new">, Group<f_Group>;
247def fastcp : Flag<"-fastcp">, Group<f_Group>;
248def fastf : Flag<"-fastf">, Group<f_Group>;
249def fast : Flag<"-fast">, Group<f_Group>;
250def fasynchronous_unwind_tables : Flag<"-fasynchronous-unwind-tables">, Group<f_Group>;
251def fblocks : Flag<"-fblocks">, Group<f_Group>;
252def fbootclasspath_EQ : Joined<"-fbootclasspath=">, Group<f_Group>;
253def fborland_extensions : Flag<"-fborland-extensions">, Group<f_Group>;
254def fbuiltin_strcat : Flag<"-fbuiltin-strcat">, Group<f_Group>;
255def fbuiltin_strcpy : Flag<"-fbuiltin-strcpy">, Group<f_Group>;
256def fbuiltin : Flag<"-fbuiltin">, Group<f_Group>;
257def fcaret_diagnostics : Flag<"-fcaret-diagnostics">, Group<f_Group>;
258def fcatch_undefined_behavior : Flag<"-fcatch-undefined-behavior">,
259    Group<f_Group>, HelpText<"Generate runtime checks for undefined behavior.">;
260def fclasspath_EQ : Joined<"-fclasspath=">, Group<f_Group>;
261def fcolor_diagnostics : Flag<"-fcolor-diagnostics">, Group<f_Group>;
262def fcommon : Flag<"-fcommon">, Group<f_Group>;
263def fcompile_resource_EQ : Joined<"-fcompile-resource=">, Group<f_Group>;
264def fconstant_cfstrings : Flag<"-fconstant-cfstrings">, Group<f_Group>;
265def fconstant_string_class_EQ : Joined<"-fconstant-string-class=">, Group<f_Group>;
266def fcreate_profile : Flag<"-fcreate-profile">, Group<f_Group>;
267def fcxx_exceptions: Flag<"-fcxx-exceptions">, Group<f_Group>;
268def fdebug_pass_arguments : Flag<"-fdebug-pass-arguments">, Group<f_Group>;
269def fdebug_pass_structure : Flag<"-fdebug-pass-structure">, Group<f_Group>;
270def fdiagnostics_fixit_info : Flag<"-fdiagnostics-fixit-info">, Group<f_Group>;
271def fdiagnostics_print_source_range_info : Flag<"-fdiagnostics-print-source-range-info">, Group<f_Group>;
272def fdiagnostics_parseable_fixits : Flag<"-fdiagnostics-parseable-fixits">, Group<f_Group>;
273def fdiagnostics_show_option : Flag<"-fdiagnostics-show-option">, Group<f_Group>;
274def fdiagnostics_show_category_EQ : Joined<"-fdiagnostics-show-category=">, Group<f_Group>;
275def fdollars_in_identifiers : Flag<"-fdollars-in-identifiers">, Group<f_Group>;
276def felide_constructors : Flag<"-felide-constructors">, Group<f_Group>;
277def feliminate_unused_debug_symbols : Flag<"-feliminate-unused-debug-symbols">, Group<f_Group>;
278def femit_all_decls : Flag<"-femit-all-decls">, Group<f_Group>;
279def fencoding_EQ : Joined<"-fencoding=">, Group<f_Group>;
280def fexceptions : Flag<"-fexceptions">, Group<f_Group>;
281def fextdirs_EQ : Joined<"-fextdirs=">, Group<f_Group>;
282def fhosted : Flag<"-fhosted">, Group<f_Group>;
283def ffast_math : Flag<"-ffast-math">, Group<clang_ignored_f_Group>;
284def ffinite_math_only : Flag<"-ffinite-math-only">, Group<clang_ignored_f_Group>;
285
286def ffor_scope : Flag<"-ffor-scope">, Group<f_Group>;
287def fno_for_scope : Flag<"-fno-for-scope">, Group<f_Group>;
288
289def ffreestanding : Flag<"-ffreestanding">, Group<f_Group>;
290def fgnu_keywords : Flag<"-fgnu-keywords">, Group<f_Group>;
291def fgnu_runtime : Flag<"-fgnu-runtime">, Group<f_Group>;
292def fheinous_gnu_extensions : Flag<"-fheinous-gnu-extensions">;
293def filelist : Separate<"-filelist">, Flags<[LinkerInput]>;
294def findirect_virtual_calls : Flag<"-findirect-virtual-calls">, Group<f_Group>;
295def finline_functions : Flag<"-finline-functions">, Group<clang_ignored_f_Group>;
296def finline : Flag<"-finline">, Group<clang_ignored_f_Group>;
297def finstrument_functions : Flag<"-finstrument-functions">, Group<f_Group>;
298def fkeep_inline_functions : Flag<"-fkeep-inline-functions">, Group<clang_ignored_f_Group>;
299def flat__namespace : Flag<"-flat_namespace">;
300def flax_vector_conversions : Flag<"-flax-vector-conversions">, Group<f_Group>;
301def flimit_debug_info : Flag<"-flimit-debug-info">, Group<f_Group>,
302  HelpText<"Limit debug information produced to reduce size of debug binary">;
303def flimited_precision_EQ : Joined<"-flimited-precision=">, Group<f_Group>;
304def flto : Flag<"-flto">, Group<f_Group>;
305def fmacro_backtrace_limit_EQ : Joined<"-fmacro-backtrace-limit=">,
306                                Group<f_Group>;
307def fmath_errno : Flag<"-fmath-errno">, Group<f_Group>;
308def fmerge_all_constants : Flag<"-fmerge-all-constants">, Group<f_Group>;
309def fmessage_length_EQ : Joined<"-fmessage-length=">, Group<f_Group>;
310def fms_extensions : Flag<"-fms-extensions">, Group<f_Group>;
311def fmsc_version : Joined<"-fmsc-version=">, Group<f_Group>;
312def fmudflapth : Flag<"-fmudflapth">, Group<f_Group>;
313def fmudflap : Flag<"-fmudflap">, Group<f_Group>;
314def fnested_functions : Flag<"-fnested-functions">, Group<f_Group>;
315def fnext_runtime : Flag<"-fnext-runtime">, Group<f_Group>;
316def fno_access_control : Flag<"-fno-access-control">, Group<f_Group>;
317def fno_asm : Flag<"-fno-asm">, Group<f_Group>;
318def fno_asynchronous_unwind_tables : Flag<"-fno-asynchronous-unwind-tables">, Group<f_Group>;
319def fno_assume_sane_operator_new : Flag<"-fno-assume-sane-operator-new">, Group<f_Group>;
320def fno_blocks : Flag<"-fno-blocks">, Group<f_Group>;
321def fno_borland_extensions : Flag<"-fno-borland-extensions">, Group<f_Group>;
322def fno_builtin_strcat : Flag<"-fno-builtin-strcat">, Group<f_Group>;
323def fno_builtin_strcpy : Flag<"-fno-builtin-strcpy">, Group<f_Group>;
324def fno_builtin : Flag<"-fno-builtin">, Group<f_Group>;
325def fno_caret_diagnostics : Flag<"-fno-caret-diagnostics">, Group<f_Group>;
326def fno_color_diagnostics : Flag<"-fno-color-diagnostics">, Group<f_Group>;
327def fno_common : Flag<"-fno-common">, Group<f_Group>;
328def fno_constant_cfstrings : Flag<"-fno-constant-cfstrings">, Group<f_Group>;
329def fno_cxx_exceptions: Flag<"-fno-cxx-exceptions">, Group<f_Group>;
330def fno_diagnostics_fixit_info : Flag<"-fno-diagnostics-fixit-info">, Group<f_Group>;
331def fno_diagnostics_show_option : Flag<"-fno-diagnostics-show-option">, Group<f_Group>;
332def fno_dollars_in_identifiers : Flag<"-fno-dollars-in-identifiers">, Group<f_Group>;
333def fno_elide_constructors : Flag<"-fno-elide-constructors">, Group<f_Group>;
334def fno_eliminate_unused_debug_symbols : Flag<"-fno-eliminate-unused-debug-symbols">, Group<f_Group>;
335def fno_exceptions : Flag<"-fno-exceptions">, Group<f_Group>;
336def fno_finite_math_only : Flag<"-fno-finite-math-only">, Group<clang_ignored_f_Group>;
337def fno_gnu_keywords : Flag<"-fno-gnu-keywords">, Group<f_Group>;
338def fno_inline_functions : Flag<"-fno-inline-functions">, Group<clang_ignored_f_Group>;
339def fno_inline : Flag<"-fno-inline">, Group<clang_ignored_f_Group>;
340def fno_keep_inline_functions : Flag<"-fno-keep-inline-functions">, Group<clang_ignored_f_Group>;
341def fno_lax_vector_conversions : Flag<"-fno-lax-vector-conversions">, Group<f_Group>;
342def fno_math_errno : Flag<"-fno-math-errno">, Group<f_Group>;
343def fno_merge_all_constants : Flag<"-fno-merge-all-constants">, Group<f_Group>;
344def fno_ms_extensions : Flag<"-fno-ms-extensions">, Group<f_Group>;
345def fno_objc_default_synthesize_properties 
346  : Flag<"-fno-objc-default-synthesize-properties">, Group<f_Group>;
347def fno_objc_exceptions: Flag<"-fno-objc-exceptions">, Group<f_Group>;
348def fno_objc_legacy_dispatch : Flag<"-fno-objc-legacy-dispatch">, Group<f_Group>;
349def fno_omit_frame_pointer : Flag<"-fno-omit-frame-pointer">, Group<f_Group>;
350def fno_pascal_strings : Flag<"-fno-pascal-strings">, Group<f_Group>;
351def fno_rtti : Flag<"-fno-rtti">, Group<f_Group>;
352def fno_short_enums : Flag<"-fno-short-enums">, Group<f_Group>;
353def fno_show_column : Flag<"-fno-show-column">, Group<f_Group>;
354def fno_show_source_location : Flag<"-fno-show-source-location">, Group<f_Group>;
355def fno_spell_checking : Flag<"-fno-spell-checking">, Group<f_Group>;
356def fno_stack_protector : Flag<"-fno-stack-protector">, Group<f_Group>;
357def fno_strict_aliasing : Flag<"-fno-strict-aliasing">, Group<f_Group>;
358def fno_threadsafe_statics : Flag<"-fno-threadsafe-statics">, Group<f_Group>;
359def fno_use_cxa_atexit : Flag<"-fno-use-cxa-atexit">, Group<f_Group>;
360def fno_unit_at_a_time : Flag<"-fno-unit-at-a-time">, Group<f_Group>;
361def fno_unwind_tables : Flag<"-fno-unwind-tables">, Group<f_Group>;
362def fno_verbose_asm : Flag<"-fno-verbose-asm">, Group<f_Group>;
363def fno_working_directory : Flag<"-fno-working-directory">, Group<f_Group>;
364def fno_zero_initialized_in_bss : Flag<"-fno-zero-initialized-in-bss">, Group<f_Group>;
365def fobjc_atdefs : Flag<"-fobjc-atdefs">, Group<clang_ignored_f_Group>;
366def fobjc_call_cxx_cdtors : Flag<"-fobjc-call-cxx-cdtors">, Group<clang_ignored_f_Group>;
367def fobjc_default_synthesize_properties : 
368  Flag<"-fobjc-default-synthesize-properties">, Group<f_Group>;
369def fobjc_exceptions: Flag<"-fobjc-exceptions">, Group<f_Group>;
370
371def fobjc_gc_only : Flag<"-fobjc-gc-only">, Group<f_Group>;
372def fobjc_gc : Flag<"-fobjc-gc">, Group<f_Group>;
373def fobjc_legacy_dispatch : Flag<"-fobjc-legacy-dispatch">, Group<f_Group>;
374def fobjc_new_property : Flag<"-fobjc-new-property">, Group<clang_ignored_f_Group>;
375
376// Objective-C ABI options.
377def fobjc_abi_version_EQ : Joined<"-fobjc-abi-version=">, Group<f_Group>;
378def fobjc_nonfragile_abi_version_EQ : Joined<"-fobjc-nonfragile-abi-version=">, Group<f_Group>;
379def fobjc_nonfragile_abi : Flag<"-fobjc-nonfragile-abi">, Group<f_Group>;
380def fno_objc_nonfragile_abi : Flag<"-fno-objc-nonfragile-abi">, Group<f_Group>;
381
382def fobjc_sender_dependent_dispatch : Flag<"-fobjc-sender-dependent-dispatch">, Group<f_Group>;
383def fobjc : Flag<"-fobjc">, Group<f_Group>;
384def fomit_frame_pointer : Flag<"-fomit-frame-pointer">, Group<f_Group>;
385def fopenmp : Flag<"-fopenmp">, Group<f_Group>;
386def force__cpusubtype__ALL : Flag<"-force_cpusubtype_ALL">;
387def force__flat__namespace : Flag<"-force_flat_namespace">;
388def foutput_class_dir_EQ : Joined<"-foutput-class-dir=">, Group<f_Group>;
389def fpascal_strings : Flag<"-fpascal-strings">, Group<f_Group>;
390def fpch_preprocess : Flag<"-fpch-preprocess">, Group<f_Group>;
391def fpic : Flag<"-fpic">, Group<f_Group>;
392def fpie : Flag<"-fpie">, Group<f_Group>;
393def fno_pie : Flag<"-fno-pie">, Group<f_Group>;
394def fprofile_arcs : Flag<"-fprofile-arcs">, Group<f_Group>;
395def fprofile_generate : Flag<"-fprofile-generate">, Group<f_Group>;
396def framework : Separate<"-framework">, Flags<[LinkerInput]>;
397def frandom_seed_EQ : Joined<"-frandom-seed=">, Group<clang_ignored_f_Group>;
398def frtti : Flag<"-frtti">, Group<f_Group>;
399def fsched_interblock : Flag<"-fsched-interblock">, Group<clang_ignored_f_Group>;
400def fshort_enums : Flag<"-fshort-enums">, Group<f_Group>;
401def freorder_blocks : Flag<"-freorder-blocks">, Group<clang_ignored_f_Group>;
402def fshort_wchar : Flag<"-fshort-wchar">, Group<f_Group>;
403def fshow_overloads_EQ : Joined<"-fshow-overloads=">, Group<f_Group>;
404def fshow_source_location : Flag<"-fshow-source-location">, Group<f_Group>;
405def fspell_checking : Flag<"-fspell-checking">, Group<f_Group>;
406def fsigned_bitfields : Flag<"-fsigned-bitfields">, Group<f_Group>;
407def fsigned_char : Flag<"-fsigned-char">, Group<f_Group>;
408def fstack_protector_all : Flag<"-fstack-protector-all">, Group<f_Group>;
409def fstack_protector : Flag<"-fstack-protector">, Group<f_Group>;
410def fstrict_aliasing : Flag<"-fstrict-aliasing">, Group<f_Group>;
411def fsyntax_only : Flag<"-fsyntax-only">, Flags<[DriverOption]>;
412def ftabstop_EQ : Joined<"-ftabstop=">, Group<f_Group>;
413def ferror_limit_EQ : Joined<"-ferror-limit=">, Group<f_Group>;
414def ftemplate_depth_ : Joined<"-ftemplate-depth-">, Group<f_Group>;
415def ftemplate_backtrace_limit_EQ : Joined<"-ftemplate-backtrace-limit=">,
416                                   Group<f_Group>;
417def Wlarge_by_value_copy_def : Flag<"-Wlarge-by-value-copy">;
418def Wlarge_by_value_copy_EQ : Joined<"-Wlarge-by-value-copy=">;
419def fterminated_vtables : Flag<"-fterminated-vtables">, Group<f_Group>;
420def fthreadsafe_statics : Flag<"-fthreadsafe-statics">, Group<f_Group>;
421def ftime_report : Flag<"-ftime-report">, Group<f_Group>;
422def ftrapv : Flag<"-ftrapv">, Group<f_Group>;
423def ftrapv_handler_EQ : Joined<"-ftrapv-handler=">, Group<f_Group>;
424def funit_at_a_time : Flag<"-funit-at-a-time">, Group<f_Group>;
425def funroll_loops : Flag<"-funroll-loops">, Group<f_Group>;
426def funsigned_bitfields : Flag<"-funsigned-bitfields">, Group<f_Group>;
427def funsigned_char : Flag<"-funsigned-char">, Group<f_Group>;
428def funwind_tables : Flag<"-funwind-tables">, Group<f_Group>;
429def fuse_cxa_atexit : Flag<"-fuse-cxa-atexit">, Group<f_Group>;
430def fverbose_asm : Flag<"-fverbose-asm">, Group<f_Group>;
431def fvisibility_EQ : Joined<"-fvisibility=">, Group<f_Group>;
432def fvisibility_inlines_hidden : Flag<"-fvisibility-inlines-hidden">, Group<f_Group>;
433def fwrapv : Flag<"-fwrapv">, Group<f_Group>;
434def fwritable_strings : Flag<"-fwritable-strings">, Group<f_Group>;
435def fzero_initialized_in_bss : Flag<"-fzero-initialized-in-bss">, Group<f_Group>;
436def ffunction_sections: Flag <"-ffunction-sections">, Group<f_Group>;
437def fdata_sections : Flag <"-fdata-sections">, Group<f_Group>;
438def f : Joined<"-f">, Group<f_Group>;
439def g0 : Joined<"-g0">, Group<g_Group>;
440def g3 : Joined<"-g3">, Group<g_Group>;
441def gfull : Joined<"-gfull">, Group<g_Group>;
442def gstabs : Joined<"-gstabs">, Group<g_Group>;
443def gused : Joined<"-gused">, Group<g_Group>;
444def g_Flag : Flag<"-g">, Group<g_Group>;
445def g_Joined : Joined<"-g">, Group<g_Group>;
446def headerpad__max__install__names : Joined<"-headerpad_max_install_names">;
447def idirafter : JoinedOrSeparate<"-idirafter">, Group<clang_i_Group>;
448def iframework : JoinedOrSeparate<"-iframework">, Group<clang_i_Group>;
449def imacros : JoinedOrSeparate<"-imacros">, Group<clang_i_Group>;
450def image__base : Separate<"-image_base">;
451def include_ : JoinedOrSeparate<"-include">, Group<clang_i_Group>, EnumName<"include">;
452def include_pch : Separate<"-include-pch">, Group<clang_i_Group>;
453def init : Separate<"-init">;
454def install__name : Separate<"-install_name">;
455def integrated_as : Flag<"-integrated-as">, Flags<[DriverOption]>;
456def iprefix : JoinedOrSeparate<"-iprefix">, Group<clang_i_Group>;
457def iquote : JoinedOrSeparate<"-iquote">, Group<clang_i_Group>;
458def isysroot : JoinedOrSeparate<"-isysroot">, Group<clang_i_Group>;
459def isystem : JoinedOrSeparate<"-isystem">, Group<clang_i_Group>;
460def iwithprefixbefore : JoinedOrSeparate<"-iwithprefixbefore">, Group<clang_i_Group>;
461def iwithprefix : JoinedOrSeparate<"-iwithprefix">, Group<clang_i_Group>;
462def iwithsysroot : JoinedOrSeparate<"-iwithsysroot">, Group<clang_i_Group>;
463def i : Joined<"-i">, Group<i_Group>;
464def keep__private__externs : Flag<"-keep_private_externs">;
465def l : JoinedOrSeparate<"-l">, Flags<[LinkerInput, RenderJoined]>;
466def m32 : Flag<"-m32">, Group<m_Group>, Flags<[DriverOption]>;
467def m3dnowa : Flag<"-m3dnowa">, Group<m_x86_Features_Group>;
468def m3dnow : Flag<"-m3dnow">, Group<m_x86_Features_Group>;
469def m64 : Flag<"-m64">, Group<m_Group>, Flags<[DriverOption]>;
470def mabi_EQ : Joined<"-mabi=">, Group<m_Group>, Flags<[DriverOption]>;
471def march_EQ : Joined<"-march=">, Group<m_Group>, Flags<[DriverOption]>;
472def mcmodel_EQ : Joined<"-mcmodel=">, Group<m_Group>, Flags<[DriverOption]>;
473def mconstant_cfstrings : Flag<"-mconstant-cfstrings">, Group<clang_ignored_m_Group>;
474def mcpu_EQ : Joined<"-mcpu=">, Group<m_Group>, Flags<[DriverOption]>;
475def mdynamic_no_pic : Joined<"-mdynamic-no-pic">, Group<m_Group>, Flags<[NoArgumentUnused]>;
476def mfix_and_continue : Flag<"-mfix-and-continue">, Group<clang_ignored_m_Group>;
477def mfloat_abi_EQ : Joined<"-mfloat-abi=">, Group<m_Group>;
478def mfpu_EQ : Joined<"-mfpu=">, Group<m_Group>;
479def mhard_float : Flag<"-mhard-float">, Group<m_Group>;
480def miphoneos_version_min_EQ : Joined<"-miphoneos-version-min=">, Group<m_Group>;
481def mios_version_min_EQ : Joined<"-mios-version-min=">, Alias<miphoneos_version_min_EQ>;
482def mkernel : Flag<"-mkernel">, Group<m_Group>;
483def mlinker_version_EQ : Joined<"-mlinker-version=">, Flags<[NoForward]>;
484def mllvm : Separate<"-mllvm">;
485def mmacosx_version_min_EQ : Joined<"-mmacosx-version-min=">, Group<m_Group>;
486def mms_bitfields : Flag<"-mms-bitfields">, Group<m_Group>;
487def mmmx : Flag<"-mmmx">, Group<m_x86_Features_Group>;
488def mno_3dnowa : Flag<"-mno-3dnowa">, Group<m_x86_Features_Group>;
489def mno_3dnow : Flag<"-mno-3dnow">, Group<m_x86_Features_Group>;
490def mno_constant_cfstrings : Flag<"-mno-constant-cfstrings">, Group<m_Group>;
491def mno_mmx : Flag<"-mno-mmx">, Group<m_x86_Features_Group>;
492def mno_pascal_strings : Flag<"-mno-pascal-strings">, Group<m_Group>;
493def mno_red_zone : Flag<"-mno-red-zone">, Group<m_Group>;
494def mno_relax_all : Flag<"-mno-relax-all">, Group<m_Group>;
495def mno_rtd: Flag<"-mno-rtd">, Group<m_Group>;
496def mno_soft_float : Flag<"-mno-soft-float">, Group<m_Group>;
497def mno_sse2 : Flag<"-mno-sse2">, Group<m_x86_Features_Group>;
498def mno_sse3 : Flag<"-mno-sse3">, Group<m_x86_Features_Group>;
499def mno_sse4a : Flag<"-mno-sse4a">, Group<m_x86_Features_Group>;
500def mno_sse4 : Flag<"-mno-sse4">, Group<m_x86_Features_Group>;
501def mno_sse4_1 : Flag<"-mno-sse4.1">, Group<m_x86_Features_Group>;
502def mno_sse4_2 : Flag<"-mno-sse4.2">, Group<m_x86_Features_Group>;
503def mno_sse : Flag<"-mno-sse">, Group<m_x86_Features_Group>;
504def mno_ssse3 : Flag<"-mno-ssse3">, Group<m_x86_Features_Group>;
505def mno_aes : Flag<"-mno-aes">, Group<m_x86_Features_Group>;
506def mno_avx : Flag<"-mno-avx">, Group<m_x86_Features_Group>;
507
508def mno_thumb : Flag<"-mno-thumb">, Group<m_Group>;
509def marm : Flag<"-marm">, Alias<mno_thumb>;
510
511def mno_warn_nonportable_cfstrings : Flag<"-mno-warn-nonportable-cfstrings">, Group<m_Group>;
512def mno_omit_leaf_frame_pointer : Flag<"-mno-omit-leaf-frame-pointer">, Group<f_Group>;
513def momit_leaf_frame_pointer : Flag<"-momit-leaf-frame-pointer">, Group<f_Group>;
514def mpascal_strings : Flag<"-mpascal-strings">, Group<m_Group>;
515def mred_zone : Flag<"-mred-zone">, Group<m_Group>;
516def mregparm_EQ : Joined<"-mregparm=">, Group<m_Group>;
517def mrelax_all : Flag<"-mrelax-all">, Group<m_Group>;
518def mrtd: Flag<"-mrtd">, Group<m_Group>;
519def msoft_float : Flag<"-msoft-float">, Group<m_Group>;
520def msse2 : Flag<"-msse2">, Group<m_x86_Features_Group>;
521def msse3 : Flag<"-msse3">, Group<m_x86_Features_Group>;
522def msse4a : Flag<"-msse4a">, Group<m_x86_Features_Group>;
523def msse4 : Flag<"-msse4">, Group<m_x86_Features_Group>;
524def msse4_1 : Flag<"-msse4.1">, Group<m_x86_Features_Group>;
525def msse4_2 : Flag<"-msse4.2">, Group<m_x86_Features_Group>;
526def msse : Flag<"-msse">, Group<m_x86_Features_Group>;
527def mssse3 : Flag<"-mssse3">, Group<m_x86_Features_Group>;
528def maes : Flag<"-maes">, Group<m_x86_Features_Group>;
529def mavx : Flag<"-mavx">, Group<m_x86_Features_Group>;
530def mthumb : Flag<"-mthumb">, Group<m_Group>;
531def mtune_EQ : Joined<"-mtune=">, Group<m_Group>;
532def multi__module : Flag<"-multi_module">;
533def multiply__defined__unused : Separate<"-multiply_defined_unused">;
534def multiply__defined : Separate<"-multiply_defined">;
535def mwarn_nonportable_cfstrings : Flag<"-mwarn-nonportable-cfstrings">, Group<m_Group>;
536def m_Separate : Separate<"-m">, Group<m_Group>;
537def m_Joined : Joined<"-m">, Group<m_Group>;
538def no_canonical_prefixes : Flag<"-no-canonical-prefixes">, Flags<[HelpHidden]>,
539  HelpText<"Use relative instead of canonical paths">;
540def no_cpp_precomp : Flag<"-no-cpp-precomp">;
541def no_integrated_as : Flag<"-no-integrated-as">, Flags<[DriverOption]>;
542def no_integrated_cpp : Flag<"-no-integrated-cpp">, Flags<[DriverOption]>;
543def no__dead__strip__inits__and__terms : Flag<"-no_dead_strip_inits_and_terms">;
544def nobuiltininc : Flag<"-nobuiltininc">;
545def nodefaultlibs : Flag<"-nodefaultlibs">;
546def nofixprebinding : Flag<"-nofixprebinding">;
547def nolibc : Flag<"-nolibc">;
548def nomultidefs : Flag<"-nomultidefs">;
549def noprebind : Flag<"-noprebind">;
550def noseglinkedit : Flag<"-noseglinkedit">;
551def nostartfiles : Flag<"-nostartfiles">;
552def nostdinc : Flag<"-nostdinc">;
553def nostdincxx : Flag<"-nostdinc++">;
554def nostdlib : Flag<"-nostdlib">;
555def object : Flag<"-object">;
556def o : JoinedOrSeparate<"-o">, Flags<[DriverOption, RenderAsInput]>,
557  HelpText<"Write output to <file>">, MetaVarName<"<file>">;
558def pagezero__size : JoinedOrSeparate<"-pagezero_size">;
559def pass_exit_codes : Flag<"-pass-exit-codes">, Flags<[Unsupported]>;
560def pedantic_errors : Flag<"-pedantic-errors">, Group<pedantic_Group>;
561def pedantic : Flag<"-pedantic">, Group<pedantic_Group>;
562def pg : Flag<"-pg">;
563def pipe : Flag<"-pipe">,
564  HelpText<"Use pipes between commands, when possible">;
565def prebind__all__twolevel__modules : Flag<"-prebind_all_twolevel_modules">;
566def prebind : Flag<"-prebind">;
567def preload : Flag<"-preload">;
568def print_file_name_EQ : Joined<"-print-file-name=">,
569  HelpText<"Print the full library path of <file>">, MetaVarName<"<file>">;
570def print_ivar_layout : Flag<"-print-ivar-layout">;
571def print_libgcc_file_name : Flag<"-print-libgcc-file-name">,
572  HelpText<"Print the library path for \"libgcc.a\"">;
573def print_multi_directory : Flag<"-print-multi-directory">;
574def print_multi_lib : Flag<"-print-multi-lib">;
575def print_multi_os_directory : Flag<"-print-multi-os-directory">;
576def print_prog_name_EQ : Joined<"-print-prog-name=">,
577  HelpText<"Print the full program path of <name>">, MetaVarName<"<name>">;
578def print_search_dirs : Flag<"-print-search-dirs">,
579  HelpText<"Print the paths used for finding libraries and programs">;
580def private__bundle : Flag<"-private_bundle">;
581def pthreads : Flag<"-pthreads">;
582def pthread : Flag<"-pthread">;
583def p : Flag<"-p">;
584def pie : Flag<"-pie">;
585def read__only__relocs : Separate<"-read_only_relocs">;
586def remap : Flag<"-remap">;
587def rewrite_objc : Flag<"-rewrite-objc">, Flags<[DriverOption]>,
588  HelpText<"Rewrite Objective-C source to C++">;
589def rdynamic : Flag<"-rdynamic">;
590def rpath : Separate<"-rpath">, Flags<[LinkerInput]>;
591def r : Flag<"-r">;
592def save_temps : Flag<"-save-temps">, Flags<[DriverOption]>,
593  HelpText<"Save intermediate compilation results">;
594def sectalign : MultiArg<"-sectalign", 3>;
595def sectcreate : MultiArg<"-sectcreate", 3>;
596def sectobjectsymbols : MultiArg<"-sectobjectsymbols", 2>;
597def sectorder : MultiArg<"-sectorder", 3>;
598def seg1addr : JoinedOrSeparate<"-seg1addr">;
599def seg__addr__table__filename : Separate<"-seg_addr_table_filename">;
600def seg__addr__table : Separate<"-seg_addr_table">;
601def segaddr : MultiArg<"-segaddr", 2>;
602def segcreate : MultiArg<"-segcreate", 3>;
603def seglinkedit : Flag<"-seglinkedit">;
604def segprot : MultiArg<"-segprot", 3>;
605def segs__read__only__addr : Separate<"-segs_read_only_addr">;
606def segs__read__write__addr : Separate<"-segs_read_write_addr">;
607def segs__read__ : Joined<"-segs_read_">;
608def shared_libgcc : Flag<"-shared-libgcc">;
609def shared : Flag<"-shared">;
610def single__module : Flag<"-single_module">;
611def specs_EQ : Joined<"-specs=">;
612def specs : Separate<"-specs">, Flags<[Unsupported]>;
613def static_libgcc : Flag<"-static-libgcc">;
614def static : Flag<"-static">, Flags<[NoArgumentUnused]>;
615def std_default_EQ : Joined<"-std-default=">;
616def std_EQ : Joined<"-std=">;
617def stdlib_EQ : Joined<"-stdlib=">;
618def sub__library : JoinedOrSeparate<"-sub_library">;
619def sub__umbrella : JoinedOrSeparate<"-sub_umbrella">;
620def s : Flag<"-s">;
621def time : Flag<"-time">,
622  HelpText<"Time individual commands">;
623def traditional_cpp : Flag<"-traditional-cpp">;
624def traditional : Flag<"-traditional">;
625def trigraphs : Flag<"-trigraphs">;
626def twolevel__namespace__hints : Flag<"-twolevel_namespace_hints">;
627def twolevel__namespace : Flag<"-twolevel_namespace">;
628def t : Flag<"-t">;
629def umbrella : Separate<"-umbrella">;
630def undefined : JoinedOrSeparate<"-undefined">, Group<u_Group>;
631def undef : Flag<"-undef">, Group<u_Group>;
632def unexported__symbols__list : Separate<"-unexported_symbols_list">;
633def u : JoinedOrSeparate<"-u">, Group<u_Group>;
634def use_gold_plugin : Flag<"-use-gold-plugin">;
635def v : Flag<"-v">,
636  HelpText<"Show commands to run and use verbose output">;
637def weak_l : Joined<"-weak-l">, Flags<[LinkerInput]>;
638def weak__framework : Separate<"-weak_framework">, Flags<[LinkerInput]>;
639def weak__library : Separate<"-weak_library">, Flags<[LinkerInput]>;
640def weak__reference__mismatches : Separate<"-weak_reference_mismatches">;
641def whatsloaded : Flag<"-whatsloaded">;
642def whyload : Flag<"-whyload">;
643def w : Flag<"-w">;
644def x : JoinedOrSeparate<"-x">, Flags<[DriverOption]>,
645  HelpText<"Treat subsequent input files as having type <language>">,
646  MetaVarName<"<language>">;
647def y : Joined<"-y">;
648
649def working_directory : Separate<"-working-directory">,
650  HelpText<"Resolve file paths relative to the specified directory">;
651def working_directory_EQ : Joined<"-working-directory=">,
652  Alias<working_directory>;
653
654// Double dash options, which are usually an alias for one of the previous
655// options.
656
657def _CLASSPATH_EQ : Joined<"--CLASSPATH=">, Alias<fclasspath_EQ>;
658def _CLASSPATH : Separate<"--CLASSPATH">, Alias<fclasspath_EQ>;
659def _all_warnings : Flag<"--all-warnings">, Alias<Wall>;
660def _analyze_auto : Flag<"--analyze-auto">, Flags<[DriverOption]>;
661def _analyzer_no_default_checks : Flag<"--analyzer-no-default-checks">, Flags<[DriverOption]>;
662def _analyzer_output : JoinedOrSeparate<"--analyzer-output">, Flags<[DriverOption]>;
663def _analyze : Flag<"--analyze">, Flags<[DriverOption]>,
664  HelpText<"Run the static analyzer">;
665def _ansi : Flag<"--ansi">, Alias<ansi>;
666def _assemble : Flag<"--assemble">, Alias<S>;
667def _assert_EQ : Joined<"--assert=">, Alias<A>;
668def _assert : Separate<"--assert">, Alias<A>;
669def _bootclasspath_EQ : Joined<"--bootclasspath=">, Alias<fbootclasspath_EQ>;
670def _bootclasspath : Separate<"--bootclasspath">, Alias<fbootclasspath_EQ>;
671def _classpath_EQ : Joined<"--classpath=">, Alias<fclasspath_EQ>;
672def _classpath : Separate<"--classpath">, Alias<fclasspath_EQ>;
673def _combine : Flag<"--combine">, Alias<combine>;
674def _comments_in_macros : Flag<"--comments-in-macros">, Alias<CC>;
675def _comments : Flag<"--comments">, Alias<C>;
676def _compile : Flag<"--compile">, Alias<c>;
677def _constant_cfstrings : Flag<"--constant-cfstrings">;
678def _coverage : Flag<"--coverage">, Alias<coverage>;
679def _debug_EQ : Joined<"--debug=">, Alias<g_Flag>;
680def _debug : Flag<"--debug">, Alias<g_Flag>;
681def _define_macro_EQ : Joined<"--define-macro=">, Alias<D>;
682def _define_macro : Separate<"--define-macro">, Alias<D>;
683def _dependencies : Flag<"--dependencies">, Alias<M>;
684def _encoding_EQ : Joined<"--encoding=">, Alias<fencoding_EQ>;
685def _encoding : Separate<"--encoding">, Alias<fencoding_EQ>;
686def _entry : Flag<"--entry">, Alias<e>;
687def _extdirs_EQ : Joined<"--extdirs=">, Alias<fextdirs_EQ>;
688def _extdirs : Separate<"--extdirs">, Alias<fextdirs_EQ>;
689def _extra_warnings : Flag<"--extra-warnings">, Alias<W_Joined>;
690def _for_linker_EQ : Joined<"--for-linker=">, Alias<Xlinker>;
691def _for_linker : Separate<"--for-linker">, Alias<Xlinker>;
692def _force_link_EQ : Joined<"--force-link=">, Alias<u>;
693def _force_link : Separate<"--force-link">, Alias<u>;
694def _help_hidden : Flag<"--help-hidden">;
695def _help : Flag<"--help">,
696  HelpText<"Display available options">;
697def _imacros_EQ : Joined<"--imacros=">, Alias<imacros>;
698def _imacros : Separate<"--imacros">, Alias<imacros>;
699def _include_barrier : Flag<"--include-barrier">, Alias<I_>;
700def _include_directory_after_EQ : Joined<"--include-directory-after=">, Alias<idirafter>;
701def _include_directory_after : Separate<"--include-directory-after">, Alias<idirafter>;
702def _include_directory_EQ : Joined<"--include-directory=">, Alias<I>;
703def _include_directory : Separate<"--include-directory">, Alias<I>;
704def _include_prefix_EQ : Joined<"--include-prefix=">, Alias<iprefix>;
705def _include_prefix : Separate<"--include-prefix">, Alias<iprefix>;
706def _include_with_prefix_after_EQ : Joined<"--include-with-prefix-after=">, Alias<iwithprefix>;
707def _include_with_prefix_after : Separate<"--include-with-prefix-after">, Alias<iwithprefix>;
708def _include_with_prefix_before_EQ : Joined<"--include-with-prefix-before=">, Alias<iwithprefixbefore>;
709def _include_with_prefix_before : Separate<"--include-with-prefix-before">, Alias<iwithprefixbefore>;
710def _include_with_prefix_EQ : Joined<"--include-with-prefix=">, Alias<iwithprefix>;
711def _include_with_prefix : Separate<"--include-with-prefix">, Alias<iwithprefix>;
712def _include_EQ : Joined<"--include=">, Alias<include_>;
713def _include : Separate<"--include">, Alias<include_>;
714def _language_EQ : Joined<"--language=">, Alias<x>;
715def _language : Separate<"--language">, Alias<x>;
716def _library_directory_EQ : Joined<"--library-directory=">, Alias<L>;
717def _library_directory : Separate<"--library-directory">, Alias<L>;
718def _machine__EQ : Joined<"--machine-=">, Alias<m_Joined>;
719def _machine_ : Joined<"--machine-">, Alias<m_Joined>;
720def _machine_EQ : Joined<"--machine=">, Alias<m_Joined>;
721def _machine : Separate<"--machine">, Alias<m_Joined>;
722def _no_integrated_cpp : Flag<"--no-integrated-cpp">, Alias<no_integrated_cpp>;
723def _no_line_commands : Flag<"--no-line-commands">, Alias<P>;
724def _no_standard_includes : Flag<"--no-standard-includes">, Alias<nostdinc>;
725def _no_standard_libraries : Flag<"--no-standard-libraries">, Alias<nostdlib>;
726def _no_undefined : Flag<"--no-undefined">, Flags<[LinkerInput]>;
727def _no_warnings : Flag<"--no-warnings">, Alias<w>;
728def _optimize_EQ : Joined<"--optimize=">, Alias<O>;
729def _optimize : Flag<"--optimize">, Alias<O>;
730def _output_class_directory_EQ : Joined<"--output-class-directory=">, Alias<foutput_class_dir_EQ>;
731def _output_class_directory : Separate<"--output-class-directory">, Alias<foutput_class_dir_EQ>;
732def _output_EQ : Joined<"--output=">, Alias<o>;
733def _output : Separate<"--output">, Alias<o>;
734def _param : Separate<"--param">;
735def _param_EQ : Joined<"--param=">, Alias<_param>;
736def _pass_exit_codes : Flag<"--pass-exit-codes">, Alias<pass_exit_codes>;
737def _pedantic_errors : Flag<"--pedantic-errors">, Alias<pedantic_errors>;
738def _pedantic : Flag<"--pedantic">, Alias<pedantic>;
739def _pipe : Flag<"--pipe">, Alias<pipe>;
740def _prefix_EQ : Joined<"--prefix=">, Alias<B>;
741def _prefix : Separate<"--prefix">, Alias<B>;
742def _preprocess : Flag<"--preprocess">, Alias<E>;
743def _print_diagnostic_categories : Flag<"--print-diagnostic-categories">;
744def _print_file_name_EQ : Joined<"--print-file-name=">, Alias<print_file_name_EQ>;
745def _print_file_name : Separate<"--print-file-name">, Alias<print_file_name_EQ>;
746def _print_libgcc_file_name : Flag<"--print-libgcc-file-name">, Alias<print_libgcc_file_name>;
747def _print_missing_file_dependencies : Flag<"--print-missing-file-dependencies">, Alias<MG>;
748def _print_multi_directory : Flag<"--print-multi-directory">, Alias<print_multi_directory>;
749def _print_multi_lib : Flag<"--print-multi-lib">, Alias<print_multi_lib>;
750def _print_multi_os_directory : Flag<"--print-multi-os-directory">, Alias<print_multi_os_directory>;
751def _print_prog_name_EQ : Joined<"--print-prog-name=">, Alias<print_prog_name_EQ>;
752def _print_prog_name : Separate<"--print-prog-name">, Alias<print_prog_name_EQ>;
753def _print_search_dirs : Flag<"--print-search-dirs">, Alias<print_search_dirs>;
754def _profile_blocks : Flag<"--profile-blocks">, Alias<a>;
755def _profile : Flag<"--profile">, Alias<p>;
756def _relocatable_pch : Flag<"--relocatable-pch">,
757  HelpText<"Build a relocatable precompiled header">;
758def _resource_EQ : Joined<"--resource=">, Alias<fcompile_resource_EQ>;
759def _resource : Separate<"--resource">, Alias<fcompile_resource_EQ>;
760def _save_temps : Flag<"--save-temps">, Alias<save_temps>;
761def _shared : Flag<"--shared">, Alias<shared>;
762def _signed_char : Flag<"--signed-char">, Alias<fsigned_char>;
763def _specs_EQ : Joined<"--specs=">, Alias<specs_EQ>;
764def _specs : Separate<"--specs">, Alias<specs_EQ>;
765def _static : Flag<"--static">, Alias<static>;
766def _std_EQ : Joined<"--std=">, Alias<std_EQ>;
767def _std : Separate<"--std">, Alias<std_EQ>;
768def _stdlib_EQ : Joined<"--stdlib=">, Alias<std_EQ>;
769def _stdlib : Separate<"--stdlib">, Alias<std_EQ>;
770def _sysroot_EQ : Joined<"--sysroot=">;
771def _sysroot : Separate<"--sysroot">, Alias<_sysroot_EQ>;
772def _target_help : Flag<"--target-help">;
773def _trace_includes : Flag<"--trace-includes">, Alias<H>;
774def _traditional_cpp : Flag<"--traditional-cpp">, Alias<traditional_cpp>;
775def _traditional : Flag<"--traditional">, Alias<traditional>;
776def _trigraphs : Flag<"--trigraphs">, Alias<trigraphs>;
777def _undefine_macro_EQ : Joined<"--undefine-macro=">, Alias<U>;
778def _undefine_macro : Separate<"--undefine-macro">, Alias<U>;
779def _unsigned_char : Flag<"--unsigned-char">, Alias<funsigned_char>;
780def _user_dependencies : Flag<"--user-dependencies">, Alias<MM>;
781def _verbose : Flag<"--verbose">, Alias<v>;
782def _version : Flag<"--version">;
783def _warn__EQ : Joined<"--warn-=">, Alias<W_Joined>;
784def _warn_ : Joined<"--warn-">, Alias<W_Joined>;
785def _write_dependencies : Flag<"--write-dependencies">, Alias<MD>;
786def _write_user_dependencies : Flag<"--write-user-dependencies">, Alias<MMD>;
787def _ : Joined<"--">, Flags<[Unsupported]>;
788
789// Special internal option to handle -Xlinker --no-demangle.
790def Z_Xlinker__no_demangle : Flag<"-Z-Xlinker-no-demangle">,
791    Flags<[Unsupported, NoArgumentUnused]>;
792
793// Special internal option to allow forwarding arbitrary arguments to linker.
794def Zlinker_input : Separate<"-Zlinker-input">,
795    Flags<[Unsupported, NoArgumentUnused]>;
796
797// Reserved library options.
798def Z_reserved_lib_stdcxx : Flag<"-Z-reserved-lib-stdc++">,
799    Flags<[LinkerInput, NoArgumentUnused, Unsupported]>, Group<reserved_lib_Group>;
800def Z_reserved_lib_cckext : Flag<"-Z-reserved-lib-cckext">,
801    Flags<[LinkerInput, NoArgumentUnused, Unsupported]>, Group<reserved_lib_Group>;
802