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Commit | Line | Data |
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fef3106c | 1 | ; Options for the C, ObjC, C++ and ObjC++ front ends. |
c75c517d | 2 | ; Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 |
66647d44 | 3 | ; Free Software Foundation, Inc. |
fef3106c NB |
4 | ; |
5 | ; This file is part of GCC. | |
6 | ; | |
7 | ; GCC is free software; you can redistribute it and/or modify it under | |
8 | ; the terms of the GNU General Public License as published by the Free | |
9dcd6f09 | 9 | ; Software Foundation; either version 3, or (at your option) any later |
fef3106c | 10 | ; version. |
c22cacf3 | 11 | ; |
fef3106c NB |
12 | ; GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
13 | ; WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
14 | ; FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
15 | ; for more details. | |
c22cacf3 | 16 | ; |
fef3106c | 17 | ; You should have received a copy of the GNU General Public License |
9dcd6f09 NC |
18 | ; along with GCC; see the file COPYING3. If not see |
19 | ; <http://www.gnu.org/licenses/>. | |
fef3106c | 20 | |
8abb6b22 | 21 | ; See the GCC internals manual for a description of this file's format. |
fef3106c | 22 | |
fef3106c NB |
23 | ; Please try to keep this file in ASCII collating order. |
24 | ||
be43ab4e NB |
25 | Language |
26 | C | |
27 | ||
28 | Language | |
29 | ObjC | |
30 | ||
31 | Language | |
32 | C++ | |
33 | ||
34 | Language | |
35 | ObjC++ | |
36 | ||
fef3106c NB |
37 | -output-pch= |
38 | C ObjC C++ ObjC++ Joined Separate | |
39 | ||
40 | A | |
41 | C ObjC C++ ObjC++ Joined Separate | |
72de27ea | 42 | -A<question>=<answer> Assert the <answer> to <question>. Putting '-' before <question> disables the <answer> to <question> |
fef3106c NB |
43 | |
44 | C | |
45 | C ObjC C++ ObjC++ | |
72de27ea | 46 | Do not discard comments |
fef3106c NB |
47 | |
48 | CC | |
49 | C ObjC C++ ObjC++ | |
72de27ea | 50 | Do not discard comments in macro expansions |
fef3106c NB |
51 | |
52 | D | |
53 | C ObjC C++ ObjC++ Joined Separate | |
72de27ea | 54 | -D<macro>[=<val>] Define a <macro> with <val> as its value. If just <macro> is given, <val> is taken to be 1 |
fef3106c NB |
55 | |
56 | E | |
f2ac9964 | 57 | C ObjC C++ ObjC++ Undocumented |
fef3106c | 58 | |
94d1613b MS |
59 | F |
60 | C ObjC C++ ObjC++ Joined Separate | |
4e994432 | 61 | -F <dir> Add <dir> to the end of the main framework include path |
94d1613b | 62 | |
fef3106c NB |
63 | H |
64 | C ObjC C++ ObjC++ | |
72de27ea | 65 | Print the name of header files as they are used |
fef3106c NB |
66 | |
67 | I | |
68 | C ObjC C++ ObjC++ Joined Separate | |
4bed3787 | 69 | -I <dir> Add <dir> to the end of the main include path |
fef3106c NB |
70 | |
71 | M | |
72 | C ObjC C++ ObjC++ | |
72de27ea | 73 | Generate make dependencies |
fef3106c NB |
74 | |
75 | MD | |
76 | C ObjC C++ ObjC++ Separate | |
72de27ea | 77 | Generate make dependencies and compile |
fef3106c NB |
78 | |
79 | MF | |
80 | C ObjC C++ ObjC++ Joined Separate | |
72de27ea | 81 | -MF <file> Write dependency output to the given file |
fef3106c NB |
82 | |
83 | MG | |
84 | C ObjC C++ ObjC++ | |
72de27ea | 85 | Treat missing header files as generated files |
fef3106c NB |
86 | |
87 | MM | |
88 | C ObjC C++ ObjC++ | |
72de27ea | 89 | Like -M but ignore system header files |
fef3106c NB |
90 | |
91 | MMD | |
92 | C ObjC C++ ObjC++ Separate | |
72de27ea | 93 | Like -MD but ignore system header files |
fef3106c NB |
94 | |
95 | MP | |
96 | C ObjC C++ ObjC++ | |
72de27ea | 97 | Generate phony targets for all headers |
fef3106c NB |
98 | |
99 | MQ | |
100 | C ObjC C++ ObjC++ Joined Separate | |
72de27ea | 101 | -MQ <target> Add a MAKE-quoted target |
fef3106c NB |
102 | |
103 | MT | |
104 | C ObjC C++ ObjC++ Joined Separate | |
72de27ea | 105 | -MT <target> Add an unquoted target |
fef3106c NB |
106 | |
107 | P | |
108 | C ObjC C++ ObjC++ | |
72de27ea | 109 | Do not generate #line directives |
fef3106c NB |
110 | |
111 | U | |
112 | C ObjC C++ ObjC++ Joined Separate | |
72de27ea | 113 | -U<macro> Undefine <macro> |
fef3106c NB |
114 | |
115 | Wabi | |
d7f09764 | 116 | C ObjC C++ ObjC++ LTO Var(warn_abi) Warning |
7619c085 | 117 | Warn about things that will change when compiling with an ABI-compliant compiler |
fef3106c | 118 | |
bce08d50 | 119 | Wpsabi |
d7f09764 | 120 | C ObjC C++ ObjC++ LTO Var(warn_psabi) Init(1) Undocumented |
bce08d50 | 121 | |
c116cd05 MLI |
122 | Waddress |
123 | C ObjC C++ ObjC++ Var(warn_address) Warning | |
124 | Warn about suspicious uses of memory addresses | |
125 | ||
fef3106c | 126 | Wall |
c662432e | 127 | C ObjC C++ ObjC++ Warning |
5a170a05 | 128 | Enable most warning messages |
fef3106c | 129 | |
6e955430 | 130 | Wassign-intercept |
c662432e | 131 | ObjC ObjC++ Var(warn_assign_intercept) Warning |
6e955430 ZL |
132 | Warn whenever an Objective-C assignment is being intercepted by the garbage collector |
133 | ||
fef3106c | 134 | Wbad-function-cast |
c662432e | 135 | C ObjC Var(warn_bad_function_cast) Warning |
5a170a05 | 136 | Warn about casting functions to incompatible types |
fef3106c | 137 | |
c047ce93 SB |
138 | Wbuiltin-macro-redefined |
139 | C ObjC C++ ObjC++ Warning | |
140 | Warn when a built-in preprocessor macro is undefined or redefined | |
141 | ||
b7e20b53 | 142 | Wc++-compat |
2cbac420 | 143 | C ObjC Var(warn_cxx_compat) Warning |
b7e20b53 GDR |
144 | Warn about C constructs that are not in the common subset of C and C++ |
145 | ||
e1f1ee86 | 146 | Wc++0x-compat |
21af5cdf | 147 | C++ ObjC++ Var(warn_cxx0x_compat) Warning |
e1f1ee86 | 148 | Warn about C++ constructs whose meaning differs between ISO C++ 1998 and ISO C++ 200x |
b7e20b53 | 149 | |
fef3106c | 150 | Wcast-qual |
c662432e | 151 | C ObjC C++ ObjC++ Var(warn_cast_qual) Warning |
5a170a05 | 152 | Warn about casts which discard qualifiers |
fef3106c NB |
153 | |
154 | Wchar-subscripts | |
c662432e | 155 | C ObjC C++ ObjC++ Var(warn_char_subscripts) Warning |
5a170a05 | 156 | Warn about subscripts whose type is \"char\" |
fef3106c | 157 | |
2b001724 | 158 | Wclobbered |
c662432e | 159 | C ObjC C++ ObjC++ Var(warn_clobbered) Init(-1) Warning |
2b001724 MLI |
160 | Warn about variables that might be changed by \"longjmp\" or \"vfork\" |
161 | ||
fef3106c | 162 | Wcomment |
c662432e | 163 | C ObjC C++ ObjC++ Warning |
72de27ea | 164 | Warn about possibly nested block comments, and C++ comments spanning more than one physical line |
fef3106c NB |
165 | |
166 | Wcomments | |
c662432e | 167 | C ObjC C++ ObjC++ Warning |
72de27ea | 168 | Synonym for -Wcomment |
fef3106c NB |
169 | |
170 | Wconversion | |
c662432e | 171 | C ObjC C++ ObjC++ Var(warn_conversion) Warning |
05170031 | 172 | Warn for implicit type conversions that may change a value |
fef3106c | 173 | |
17251338 MLI |
174 | Wconversion-null |
175 | C++ ObjC++ Var(warn_conversion_null) Init(1) Warning | |
176 | Warn for converting NULL from/to a non-pointer type | |
177 | ||
7060db96 MLI |
178 | Wsign-conversion |
179 | C ObjC C++ ObjC++ Var(warn_sign_conversion) Init(-1) | |
180 | Warn for implicit type conversions between signed and unsigned integers | |
181 | ||
fef3106c | 182 | Wctor-dtor-privacy |
c662432e | 183 | C++ ObjC++ Var(warn_ctor_dtor_privacy) Warning |
bae92bf3 | 184 | Warn when all constructors and destructors are private |
fef3106c | 185 | |
85617eba | 186 | Wdeclaration-after-statement |
c662432e | 187 | C ObjC Var(warn_declaration_after_statement) Warning |
85617eba HPN |
188 | Warn when a declaration is found after a statement |
189 | ||
fef3106c | 190 | Wdeprecated |
899015a0 | 191 | C C++ ObjC ObjC++ Var(warn_deprecated) Init(1) Warning |
9a0f3e86 | 192 | Warn if a deprecated compiler feature, class, method, or field is used |
fef3106c NB |
193 | |
194 | Wdiv-by-zero | |
2cbac420 | 195 | C ObjC C++ ObjC++ Var(warn_div_by_zero) Init(1) Warning |
5a170a05 | 196 | Warn about compile-time integer division by zero |
fef3106c NB |
197 | |
198 | Weffc++ | |
c662432e | 199 | C++ ObjC++ Var(warn_ecpp) Warning |
bae92bf3 | 200 | Warn about violations of Effective C++ style rules |
fef3106c | 201 | |
b3b433c5 | 202 | Wempty-body |
c662432e | 203 | C ObjC C++ ObjC++ Var(warn_empty_body) Init(-1) Warning |
b3b433c5 MLI |
204 | Warn about an empty body in an if or else statement |
205 | ||
fef3106c | 206 | Wendif-labels |
c662432e | 207 | C ObjC C++ ObjC++ Warning |
72de27ea | 208 | Warn about stray tokens after #elif and #endif |
fef3106c | 209 | |
a3299096 | 210 | Wenum-compare |
6866c6e8 | 211 | C ObjC C++ ObjC++ Var(warn_enum_compare) Init(-1) Warning |
a3299096 MM |
212 | Warn about comparison of different enum types |
213 | ||
fef3106c NB |
214 | Werror |
215 | C ObjC C++ ObjC++ | |
72de27ea | 216 | ; Documented in common.opt |
fef3106c NB |
217 | |
218 | Werror-implicit-function-declaration | |
c662432e | 219 | C ObjC RejectNegative Warning |
dc90f45b | 220 | This switch is deprecated; use -Werror=implicit-function-declaration instead |
fef3106c NB |
221 | |
222 | Wfloat-equal | |
c662432e | 223 | C ObjC C++ ObjC++ Var(warn_float_equal) Warning |
5a170a05 | 224 | Warn if testing floating point numbers for equality |
fef3106c NB |
225 | |
226 | Wformat | |
c662432e | 227 | C ObjC C++ ObjC++ Warning |
5a170a05 | 228 | Warn about printf/scanf/strftime/strfmon format string anomalies |
fef3106c NB |
229 | |
230 | Wformat-extra-args | |
c662432e | 231 | C ObjC C++ ObjC++ Var(warn_format_extra_args) Warning |
5a170a05 | 232 | Warn if passing too many arguments to a function for its format string |
fef3106c NB |
233 | |
234 | Wformat-nonliteral | |
c662432e | 235 | C ObjC C++ ObjC++ Var(warn_format_nonliteral) Warning |
5a170a05 | 236 | Warn about format strings that are not literals |
fef3106c | 237 | |
ca178f85 | 238 | Wformat-contains-nul |
6d16b6e7 | 239 | C ObjC C++ ObjC++ Var(warn_format_contains_nul) Warning |
ca178f85 BK |
240 | Warn about format strings that contain NUL bytes |
241 | ||
fef3106c | 242 | Wformat-security |
c662432e | 243 | C ObjC C++ ObjC++ Var(warn_format_security) Warning |
5a170a05 | 244 | Warn about possible security problems with format functions |
fef3106c NB |
245 | |
246 | Wformat-y2k | |
c662432e | 247 | C ObjC C++ ObjC++ Var(warn_format_y2k) Warning |
5a170a05 | 248 | Warn about strftime formats yielding 2-digit years |
fef3106c NB |
249 | |
250 | Wformat-zero-length | |
c662432e | 251 | C ObjC Var(warn_format_zero_length) Warning |
7619c085 | 252 | Warn about zero-length formats |
fef3106c NB |
253 | |
254 | Wformat= | |
c662432e | 255 | C ObjC C++ ObjC++ Joined Warning |
fef3106c | 256 | |
5db2e9ca DK |
257 | Wignored-qualifiers |
258 | C C++ Var(warn_ignored_qualifiers) Init(-1) Warning | |
259 | Warn whenever type qualifiers are ignored. | |
260 | ||
3390f9c9 | 261 | Winit-self |
c662432e | 262 | C ObjC C++ ObjC++ Var(warn_init_self) Warning |
ab532386 | 263 | Warn about variables which are initialized to themselves |
3390f9c9 | 264 | |
fef3106c | 265 | Wimplicit |
3734d960 MLI |
266 | C ObjC Var(warn_implicit) Init(-1) Warning |
267 | Warn about implicit declarations | |
fef3106c NB |
268 | |
269 | Wimplicit-function-declaration | |
dc90f45b | 270 | C ObjC Var(warn_implicit_function_declaration) Init(-1) Warning |
5a170a05 | 271 | Warn about implicit function declarations |
fef3106c NB |
272 | |
273 | Wimplicit-int | |
3734d960 | 274 | C ObjC Var(warn_implicit_int) Init(-1) Warning |
5a170a05 | 275 | Warn when a declaration does not specify a type |
fef3106c NB |
276 | |
277 | Wimport | |
c24d4112 | 278 | C ObjC C++ ObjC++ Undocumented |
fef3106c | 279 | |
53a2494e | 280 | Wint-to-pointer-cast |
dc8d2739 | 281 | C ObjC C++ ObjC++ Var(warn_int_to_pointer_cast) Init(1) Warning |
53a2494e JM |
282 | Warn when there is a cast to a pointer from an integer of a different size |
283 | ||
fef3106c | 284 | Winvalid-offsetof |
c662432e | 285 | C++ ObjC++ Var(warn_invalid_offsetof) Init(1) Warning |
bae92bf3 | 286 | Warn about invalid uses of the \"offsetof\" macro |
fef3106c NB |
287 | |
288 | Winvalid-pch | |
c662432e | 289 | C ObjC C++ ObjC++ Warning |
5a170a05 | 290 | Warn about PCH files that are found but not used |
fef3106c | 291 | |
e1b7793c | 292 | Wjump-misses-init |
da667743 | 293 | C ObjC Var(warn_jump_misses_init) Init(-1) Warning |
e1b7793c ILT |
294 | Warn when a jump misses a variable initialization |
295 | ||
ca409efd | 296 | Wlogical-op |
7bb27074 | 297 | C ObjC C++ ObjC++ Var(warn_logical_op) Init(0) Warning |
ca409efd MLI |
298 | Warn when a logical operator is suspiciously always evaluating to true or false |
299 | ||
fef3106c | 300 | Wlong-long |
9c650d90 | 301 | C ObjC C++ ObjC++ Var(warn_long_long) Init(-1) Warning |
5a170a05 | 302 | Do not warn about using \"long long\" when -pedantic |
fef3106c NB |
303 | |
304 | Wmain | |
4003301d | 305 | C ObjC C++ ObjC++ Var(warn_main) Init(-1) Warning |
5a170a05 | 306 | Warn about suspicious declarations of \"main\" |
fef3106c NB |
307 | |
308 | Wmissing-braces | |
c662432e | 309 | C ObjC C++ ObjC++ Var(warn_missing_braces) Warning |
5a170a05 | 310 | Warn about possibly missing braces around initializers |
fef3106c NB |
311 | |
312 | Wmissing-declarations | |
c662432e | 313 | C ObjC C++ ObjC++ Var(warn_missing_declarations) Warning |
5a170a05 | 314 | Warn about global functions without previous declarations |
fef3106c | 315 | |
eaac4679 | 316 | Wmissing-field-initializers |
c662432e | 317 | C ObjC C++ ObjC++ Var(warn_missing_field_initializers) Init(-1) Warning |
eaac4679 RS |
318 | Warn about missing fields in struct initializers |
319 | ||
fef3106c | 320 | Wmissing-format-attribute |
c662432e | 321 | C ObjC C++ ObjC++ Var(warn_missing_format_attribute) Warning |
5a170a05 | 322 | Warn about functions which might be candidates for format attributes |
fef3106c | 323 | |
b02398bd | 324 | Wmissing-include-dirs |
c662432e | 325 | C ObjC C++ ObjC++ Warning |
b02398bd BE |
326 | Warn about user-specified include directories that do not exist |
327 | ||
cb4af25a | 328 | Wmissing-parameter-type |
c662432e | 329 | C ObjC Var(warn_missing_parameter_type) Init(-1) Warning |
cb4af25a MLI |
330 | Warn about function parameters declared without a type specifier in K&R-style functions |
331 | ||
fef3106c | 332 | Wmissing-prototypes |
c662432e | 333 | C ObjC Var(warn_missing_prototypes) Warning |
5a170a05 | 334 | Warn about global functions without prototypes |
fef3106c NB |
335 | |
336 | Wmultichar | |
c662432e | 337 | C ObjC C++ ObjC++ Warning |
5a170a05 | 338 | Warn about use of multi-character character constants |
fef3106c NB |
339 | |
340 | Wnested-externs | |
c662432e | 341 | C ObjC Var(warn_nested_externs) Warning |
5a170a05 | 342 | Warn about \"extern\" declarations not at file scope |
fef3106c NB |
343 | |
344 | Wnon-template-friend | |
c662432e | 345 | C++ ObjC++ Var(warn_nontemplate_friend) Init(1) Warning |
bae92bf3 | 346 | Warn when non-templatized friend functions are declared within a template |
fef3106c NB |
347 | |
348 | Wnon-virtual-dtor | |
c662432e | 349 | C++ ObjC++ Var(warn_nonvdtor) Warning |
bae92bf3 | 350 | Warn about non-virtual destructors |
fef3106c NB |
351 | |
352 | Wnonnull | |
c662432e | 353 | C ObjC Var(warn_nonnull) Warning |
7619c085 | 354 | Warn about NULL being passed to argument slots marked as requiring non-NULL |
fef3106c | 355 | |
50668cf6 | 356 | Wnormalized= |
c662432e | 357 | C ObjC C++ ObjC++ Joined Warning |
50668cf6 GK |
358 | -Wnormalized=<id|nfc|nfkc> Warn about non-normalised Unicode strings |
359 | ||
fef3106c | 360 | Wold-style-cast |
c662432e | 361 | C++ ObjC++ Var(warn_old_style_cast) Warning |
bae92bf3 | 362 | Warn if a C-style cast is used in a program |
fef3106c | 363 | |
b1ed4cb4 | 364 | Wold-style-declaration |
c662432e | 365 | C ObjC Var(warn_old_style_declaration) Init(-1) Warning |
b1ed4cb4 MLI |
366 | Warn for obsolescent usage in a declaration |
367 | ||
c034f121 | 368 | Wold-style-definition |
c662432e | 369 | C ObjC Var(warn_old_style_definition) Warning |
c034f121 AJ |
370 | Warn if an old-style parameter definition is used |
371 | ||
89a42ac8 | 372 | Woverlength-strings |
c662432e | 373 | C ObjC C++ ObjC++ Var(warn_overlength_strings) Init(-1) Warning |
89a42ac8 ZW |
374 | Warn if a string is longer than the maximum portable length specified by the standard |
375 | ||
fef3106c | 376 | Woverloaded-virtual |
c662432e | 377 | C++ ObjC++ Var(warn_overloaded_virtual) Warning |
bae92bf3 | 378 | Warn about overloaded virtual function names |
fef3106c | 379 | |
7ed322d7 | 380 | Woverride-init |
c662432e | 381 | C ObjC Var(warn_override_init) Init(-1) Warning |
7ed322d7 JM |
382 | Warn about overriding initializers without side effects |
383 | ||
2cd36c22 | 384 | Wpacked-bitfield-compat |
bee6fa6d | 385 | C ObjC C++ ObjC++ Var(warn_packed_bitfield_compat) Init(-1) Warning |
2cd36c22 AN |
386 | Warn about packed bit-fields whose offset changed in GCC 4.4 |
387 | ||
fef3106c | 388 | Wparentheses |
c662432e | 389 | C ObjC C++ ObjC++ Var(warn_parentheses) Warning |
5a170a05 | 390 | Warn about possibly missing parentheses |
fef3106c NB |
391 | |
392 | Wpmf-conversions | |
c662432e | 393 | C++ ObjC++ Var(warn_pmf2ptr) Init(1) Warning |
bae92bf3 | 394 | Warn when converting the type of pointers to member functions |
fef3106c NB |
395 | |
396 | Wpointer-arith | |
c662432e | 397 | C ObjC C++ ObjC++ Var(warn_pointer_arith) Warning |
5a170a05 | 398 | Warn about function pointer arithmetic |
fef3106c | 399 | |
53a2494e | 400 | Wpointer-to-int-cast |
c662432e | 401 | C ObjC Var(warn_pointer_to_int_cast) Init(1) Warning |
53a2494e JM |
402 | Warn when a pointer is cast to an integer of a different size |
403 | ||
b9b8dde3 | 404 | Wpragmas |
c662432e | 405 | C ObjC C++ ObjC++ Var(warn_pragmas) Init(1) Warning |
b9b8dde3 DD |
406 | Warn about misuses of pragmas |
407 | ||
fef3106c | 408 | Wprotocol |
c662432e | 409 | ObjC ObjC++ Var(warn_protocol) Init(1) Warning |
f2ac9964 | 410 | Warn if inherited methods are unimplemented |
fef3106c NB |
411 | |
412 | Wredundant-decls | |
c662432e | 413 | C ObjC C++ ObjC++ Var(warn_redundant_decls) Warning |
5a170a05 | 414 | Warn about multiple declarations of the same object |
fef3106c NB |
415 | |
416 | Wreorder | |
c662432e | 417 | C++ ObjC++ Var(warn_reorder) Warning |
bae92bf3 | 418 | Warn when the compiler reorders code |
fef3106c NB |
419 | |
420 | Wreturn-type | |
c662432e | 421 | C ObjC C++ ObjC++ Var(warn_return_type) Warning |
bae92bf3 | 422 | Warn whenever a function's return type defaults to \"int\" (C), or about inconsistent return types (C++) |
fef3106c NB |
423 | |
424 | Wselector | |
c662432e | 425 | ObjC ObjC++ Var(warn_selector) Warning |
f2ac9964 | 426 | Warn if a selector has multiple methods |
fef3106c NB |
427 | |
428 | Wsequence-point | |
c662432e | 429 | C ObjC C++ ObjC++ Var(warn_sequence_point) Warning |
5a170a05 | 430 | Warn about possible violations of sequence point rules |
fef3106c NB |
431 | |
432 | Wsign-compare | |
c662432e | 433 | C ObjC C++ ObjC++ Var(warn_sign_compare) Init(-1) Warning |
5a170a05 | 434 | Warn about signed-unsigned comparisons |
fef3106c NB |
435 | |
436 | Wsign-promo | |
c662432e | 437 | C++ ObjC++ Var(warn_sign_promo) Warning |
bae92bf3 | 438 | Warn when overload promotes from unsigned to signed |
fef3106c | 439 | |
b2f97e4a | 440 | Wstrict-null-sentinel |
c662432e | 441 | C++ ObjC++ Warning |
b2f97e4a MM |
442 | Warn about uncasted NULL used as sentinel |
443 | ||
fef3106c | 444 | Wstrict-prototypes |
c662432e | 445 | C ObjC Var(warn_strict_prototypes) Warning |
5a170a05 | 446 | Warn about unprototyped function declarations |
fef3106c | 447 | |
6e955430 | 448 | Wstrict-selector-match |
c662432e | 449 | ObjC ObjC++ Var(warn_strict_selector_match) Warning |
6e955430 ZL |
450 | Warn if type signatures of candidate methods do not match exactly |
451 | ||
23462d4d UB |
452 | Wsync-nand |
453 | C C++ Var(warn_sync_nand) Init(1) Warning | |
454 | Warn when __sync_fetch_and_nand and __sync_nand_and_fetch built-in functions are used | |
455 | ||
fef3106c | 456 | Wsynth |
c662432e | 457 | C++ ObjC++ Var(warn_synth) Warning |
802e3f8c | 458 | Deprecated. This switch has no effect |
fef3106c NB |
459 | |
460 | Wsystem-headers | |
c662432e | 461 | C ObjC C++ ObjC++ Warning |
9a0f3e86 | 462 | ; Documented in common.opt |
fef3106c NB |
463 | |
464 | Wtraditional | |
c662432e | 465 | C ObjC Var(warn_traditional) Warning |
72de27ea | 466 | Warn about features not present in traditional C |
fef3106c | 467 | |
05170031 | 468 | Wtraditional-conversion |
c662432e | 469 | C ObjC Var(warn_traditional_conversion) Warning |
05170031 MLI |
470 | Warn of prototypes causing type conversions different from what would happen in the absence of prototype |
471 | ||
fef3106c | 472 | Wtrigraphs |
c662432e | 473 | C ObjC C++ ObjC++ Warning |
72de27ea | 474 | Warn if trigraphs are encountered that might affect the meaning of the program |
fef3106c NB |
475 | |
476 | Wundeclared-selector | |
c662432e | 477 | ObjC ObjC++ Var(warn_undeclared_selector) Warning |
7619c085 | 478 | Warn about @selector()s without previously declared methods |
fef3106c NB |
479 | |
480 | Wundef | |
c662432e | 481 | C ObjC C++ ObjC++ Warning |
72de27ea | 482 | Warn if an undefined macro is used in an #if directive |
fef3106c NB |
483 | |
484 | Wunknown-pragmas | |
c662432e | 485 | C ObjC C++ ObjC++ Warning |
5a170a05 | 486 | Warn about unrecognized pragmas |
fef3106c | 487 | |
6ec637a4 JJ |
488 | Wunsuffixed-float-constants |
489 | C ObjC Var(warn_unsuffixed_float_constants) Warning | |
490 | Warn about unsuffixed float constants | |
491 | ||
fef3106c | 492 | Wunused-macros |
c662432e | 493 | C ObjC C++ ObjC++ Warning |
72de27ea | 494 | Warn about macros defined in the main file that are not used |
fef3106c | 495 | |
156f545a MLI |
496 | Wunused-result |
497 | C ObjC C++ ObjC++ Var(warn_unused_result) Init(1) Warning | |
498 | Warn if a caller of a function, marked with attribute warn_unused_result, does not use its return value | |
499 | ||
e5b79219 | 500 | Wvariadic-macros |
c662432e | 501 | C ObjC C++ ObjC++ Warning |
e5b79219 RH |
502 | Do not warn about using variadic macros when -pedantic |
503 | ||
50d50fc7 SP |
504 | Wvla |
505 | C ObjC C++ ObjC++ Var(warn_vla) Init(-1) Warning | |
506 | Warn if a variable length array is used | |
507 | ||
16302daf MLI |
508 | Wvolatile-register-var |
509 | C ObjC C++ ObjC++ Var(warn_volatile_register_var) Warning | |
510 | Warn when a register variable is declared volatile | |
511 | ||
fef3106c | 512 | Wwrite-strings |
c662432e | 513 | C ObjC C++ ObjC++ Var(warn_write_strings) Warning |
d539b114 | 514 | In C++, nonzero means warn about deprecated conversion from string literals to `char *'. In C, similar warning, except that the conversion is of course not deprecated by the ISO C standard. |
fef3106c | 515 | |
f2fd3821 | 516 | Wpointer-sign |
c662432e | 517 | C ObjC Var(warn_pointer_sign) Init(-1) Warning |
c85ce869 | 518 | Warn when a pointer differs in signedness in an assignment |
f2fd3821 | 519 | |
fef3106c NB |
520 | ansi |
521 | C ObjC C++ ObjC++ | |
c85ce869 | 522 | A synonym for -std=c89 (for C) or -std=c++98 (for C++) |
fef3106c NB |
523 | |
524 | d | |
525 | C ObjC C++ ObjC++ Joined | |
72de27ea | 526 | ; Documented in common.opt. FIXME - what about -dI, -dD, -dN and -dD? |
fef3106c | 527 | |
fef3106c NB |
528 | faccess-control |
529 | C++ ObjC++ | |
bae92bf3 | 530 | Enforce class member access control semantics |
fef3106c NB |
531 | |
532 | fall-virtual | |
533 | C++ ObjC++ | |
534 | ||
535 | falt-external-templates | |
536 | C++ ObjC++ | |
bae92bf3 | 537 | Change when template instances are emitted |
fef3106c NB |
538 | |
539 | fasm | |
540 | C ObjC C++ ObjC++ | |
5a170a05 | 541 | Recognize the \"asm\" keyword |
fef3106c NB |
542 | |
543 | fbuiltin | |
544 | C ObjC C++ ObjC++ | |
5a170a05 | 545 | Recognize built-in functions |
fef3106c NB |
546 | |
547 | fbuiltin- | |
548 | C ObjC C++ ObjC++ Joined | |
549 | ||
550 | fcheck-new | |
551 | C++ ObjC++ | |
bae92bf3 | 552 | Check the return value of new |
fef3106c NB |
553 | |
554 | fcond-mismatch | |
555 | C ObjC C++ ObjC++ | |
5a170a05 | 556 | Allow the arguments of the '?' operator to have different types |
fef3106c NB |
557 | |
558 | fconserve-space | |
559 | C++ ObjC++ | |
bae92bf3 | 560 | Reduce the size of object files |
fef3106c | 561 | |
fef3106c NB |
562 | fconstant-string-class= |
563 | ObjC ObjC++ Joined | |
f2ac9964 | 564 | -fconst-string-class=<name> Use class <name> for constant strings |
fef3106c | 565 | |
5f5babf1 JM |
566 | fdeduce-init-list |
567 | C++ ObjC++ Var(flag_deduce_init_list) Init(1) | |
568 | -fno-deduce-init-list disable deduction of std::initializer_list for a template type parameter from a brace-enclosed initializer-list | |
569 | ||
fef3106c NB |
570 | fdefault-inline |
571 | C++ ObjC++ | |
bae92bf3 | 572 | Inline member functions by default |
fef3106c | 573 | |
ccfc4c91 OW |
574 | fdirectives-only |
575 | C ObjC C++ ObjC++ | |
576 | Preprocess directives only. | |
577 | ||
fef3106c NB |
578 | fdollars-in-identifiers |
579 | C ObjC C++ ObjC++ | |
72de27ea | 580 | Permit '$' as an identifier character |
fef3106c | 581 | |
fef3106c NB |
582 | felide-constructors |
583 | C++ ObjC++ | |
584 | ||
585 | fenforce-eh-specs | |
586 | C++ ObjC++ | |
bae92bf3 | 587 | Generate code to check exception specifications |
fef3106c NB |
588 | |
589 | fenum-int-equiv | |
590 | C++ ObjC++ | |
591 | ||
e6cc3a24 ZW |
592 | fexec-charset= |
593 | C ObjC C++ ObjC++ Joined RejectNegative | |
72de27ea | 594 | -fexec-charset=<cset> Convert all strings and character constants to character set <cset> |
e6cc3a24 | 595 | |
af15a2fe JM |
596 | fextended-identifiers |
597 | C ObjC C++ ObjC++ | |
598 | Permit universal character names (\\u and \\U) in identifiers | |
599 | ||
16dd5cfe EC |
600 | finput-charset= |
601 | C ObjC C++ ObjC++ Joined RejectNegative | |
c85ce869 | 602 | -finput-charset=<cset> Specify the default character set for source files |
16dd5cfe EC |
603 | |
604 | ||
fef3106c NB |
605 | fexternal-templates |
606 | C++ ObjC++ | |
607 | ||
fef3106c NB |
608 | ffor-scope |
609 | C++ ObjC++ | |
bae92bf3 | 610 | Scope of for-init-statement variables is local to the loop |
fef3106c NB |
611 | |
612 | ffreestanding | |
820b51ae | 613 | C ObjC C++ ObjC++ |
5a170a05 | 614 | Do not assume that standard C libraries and \"main\" exist |
fef3106c NB |
615 | |
616 | fgnu-keywords | |
617 | C++ ObjC++ | |
bae92bf3 | 618 | Recognize GNU-defined keywords |
fef3106c NB |
619 | |
620 | fgnu-runtime | |
621 | ObjC ObjC++ | |
f2ac9964 | 622 | Generate code for GNU runtime environment |
fef3106c | 623 | |
da1c7394 | 624 | fgnu89-inline |
2cbac420 | 625 | C ObjC Var(flag_gnu89_inline) Init(-1) |
da1c7394 ILT |
626 | Use traditional GNU semantics for inline functions |
627 | ||
fef3106c NB |
628 | fguiding-decls |
629 | C++ ObjC++ | |
630 | ||
631 | fhandle-exceptions | |
c662432e | 632 | C++ ObjC++ Optimization |
fef3106c NB |
633 | |
634 | fhonor-std | |
635 | C++ ObjC++ | |
636 | ||
637 | fhosted | |
638 | C ObjC | |
5a170a05 | 639 | Assume normal C execution environment |
fef3106c NB |
640 | |
641 | fhuge-objects | |
642 | C++ ObjC++ | |
bae92bf3 | 643 | Enable support for huge objects |
fef3106c NB |
644 | |
645 | fimplement-inlines | |
646 | C++ ObjC++ | |
bae92bf3 | 647 | Export functions even if they can be inlined |
fef3106c NB |
648 | |
649 | fimplicit-inline-templates | |
650 | C++ ObjC++ | |
bae92bf3 | 651 | Emit implicit instantiations of inline templates |
fef3106c NB |
652 | |
653 | fimplicit-templates | |
654 | C++ ObjC++ | |
bae92bf3 | 655 | Emit implicit instantiations of templates |
fef3106c | 656 | |
d63d5d0c | 657 | ffriend-injection |
2cbac420 | 658 | C++ ObjC++ Var(flag_friend_injection) |
d63d5d0c ILT |
659 | Inject friend functions into enclosing namespace |
660 | ||
fef3106c NB |
661 | flabels-ok |
662 | C++ ObjC++ | |
663 | ||
00c8e9f6 MS |
664 | flax-vector-conversions |
665 | C ObjC C++ ObjC++ | |
666 | Allow implicit conversions between vectors with differing numbers of subparts and/or differing element types. | |
667 | ||
fef3106c NB |
668 | fms-extensions |
669 | C ObjC C++ ObjC++ | |
bae92bf3 | 670 | Don't warn about uses of Microsoft extensions |
fef3106c NB |
671 | |
672 | fname-mangling-version- | |
673 | C++ ObjC++ Joined | |
674 | ||
675 | fnew-abi | |
676 | C++ ObjC++ | |
677 | ||
678 | fnext-runtime | |
679 | ObjC ObjC++ | |
264fa2db ZL |
680 | Generate code for NeXT (Apple Mac OS X) runtime environment |
681 | ||
682 | fnil-receivers | |
683 | ObjC ObjC++ | |
684 | Assume that receivers of Objective-C messages may be nil | |
fef3106c NB |
685 | |
686 | fnonansi-builtins | |
687 | C++ ObjC++ | |
688 | ||
689 | fnonnull-objects | |
690 | C++ ObjC++ | |
691 | ||
9feb3d6a JM |
692 | fnothrow-opt |
693 | C++ ObjC++ Optimization Var(flag_nothrow_opt) | |
694 | Treat a throw() exception specification as noexcept to improve code size | |
695 | ||
6e955430 ZL |
696 | ; Generate special '- .cxx_construct' and '- .cxx_destruct' methods |
697 | ; to initialize any non-POD ivars in Objective-C++ classes. | |
698 | fobjc-call-cxx-cdtors | |
699 | ObjC++ Var(flag_objc_call_cxx_cdtors) | |
700 | Generate special Objective-C methods to initialize/destroy non-POD C++ ivars, if needed | |
701 | ||
702 | fobjc-direct-dispatch | |
703 | ObjC ObjC++ Var(flag_objc_direct_dispatch) | |
704 | Allow fast jumps to the message dispatcher | |
705 | ||
706 | ; Nonzero means that we will allow new ObjC exception syntax (@throw, | |
707 | ; @try, etc.) in source code. | |
264fa2db | 708 | fobjc-exceptions |
6e955430 | 709 | ObjC ObjC++ Var(flag_objc_exceptions) |
264fa2db ZL |
710 | Enable Objective-C exception and synchronization syntax |
711 | ||
6e955430 ZL |
712 | fobjc-gc |
713 | ObjC ObjC++ Var(flag_objc_gc) | |
714 | Enable garbage collection (GC) in Objective-C/Objective-C++ programs | |
715 | ||
716 | ; Nonzero means that we generate NeXT setjmp based exceptions. | |
093c7153 | 717 | fobjc-sjlj-exceptions |
6e955430 | 718 | ObjC ObjC++ Var(flag_objc_sjlj_exceptions) Init(-1) |
093c7153 RH |
719 | Enable Objective-C setjmp exception handling runtime |
720 | ||
953ff289 DN |
721 | fopenmp |
722 | C ObjC C++ ObjC++ Var(flag_openmp) | |
9a0f3e86 | 723 | Enable OpenMP (implies -frecursive in Fortran) |
953ff289 | 724 | |
fef3106c NB |
725 | foperator-names |
726 | C++ ObjC++ | |
1cbc62c0 | 727 | Recognize C++ keywords like \"compl\" and \"xor\" |
fef3106c NB |
728 | |
729 | foptional-diags | |
730 | C++ ObjC++ | |
bae92bf3 | 731 | Enable optional diagnostics |
fef3106c NB |
732 | |
733 | fpch-deps | |
734 | C ObjC C++ ObjC++ | |
735 | ||
c0d578e6 GK |
736 | fpch-preprocess |
737 | C ObjC C++ ObjC++ | |
738 | Look for and use PCH files even when preprocessing | |
739 | ||
fef3106c NB |
740 | fpermissive |
741 | C++ ObjC++ | |
bae92bf3 | 742 | Downgrade conformance errors to warnings |
fef3106c NB |
743 | |
744 | fpreprocessed | |
745 | C ObjC C++ ObjC++ | |
72de27ea | 746 | Treat the input file as already preprocessed |
fef3106c | 747 | |
6ea2bd47 JM |
748 | fpretty-templates |
749 | C++ ObjC++ | |
750 | -fno-pretty-templates Do not pretty-print template specializations as the template signature followed by the arguments | |
751 | ||
264fa2db ZL |
752 | freplace-objc-classes |
753 | ObjC ObjC++ | |
754 | Used in Fix-and-Continue mode to indicate that object files may be swapped in at runtime | |
755 | ||
fef3106c NB |
756 | frepo |
757 | C++ ObjC++ | |
bae92bf3 | 758 | Enable automatic template instantiation |
fef3106c NB |
759 | |
760 | frtti | |
c662432e | 761 | C++ ObjC++ Optimization |
bae92bf3 | 762 | Generate run time type descriptor information |
fef3106c NB |
763 | |
764 | fshort-double | |
c662432e | 765 | C ObjC C++ ObjC++ Optimization |
5a170a05 | 766 | Use the same size for double as for float |
fef3106c NB |
767 | |
768 | fshort-enums | |
c662432e | 769 | C ObjC C++ ObjC++ Optimization |
5a170a05 | 770 | Use the narrowest integer type possible for enumeration types |
fef3106c NB |
771 | |
772 | fshort-wchar | |
c662432e | 773 | C ObjC C++ ObjC++ Optimization |
5a170a05 | 774 | Force the underlying type for \"wchar_t\" to be \"unsigned short\" |
fef3106c | 775 | |
fef3106c NB |
776 | fsigned-bitfields |
777 | C ObjC C++ ObjC++ | |
5a170a05 | 778 | When \"signed\" or \"unsigned\" is not given make the bitfield signed |
fef3106c NB |
779 | |
780 | fsigned-char | |
c59449fa | 781 | C ObjC C++ ObjC++ LTO |
5a170a05 | 782 | Make \"char\" signed by default |
fef3106c NB |
783 | |
784 | fsquangle | |
785 | C++ ObjC++ | |
786 | ||
787 | fstats | |
788 | C++ ObjC++ | |
bae92bf3 | 789 | Display statistics accumulated during compilation |
fef3106c | 790 | |
cbb4feb3 JM |
791 | fstrict-enums |
792 | C++ ObjC++ Optimization Var(flag_strict_enums) | |
793 | Assume that values of enumeration type are always within the minimum range of that type | |
794 | ||
fef3106c NB |
795 | fstrict-prototype |
796 | C++ ObjC++ | |
797 | ||
798 | ftabstop= | |
7b086b11 | 799 | C ObjC C++ ObjC++ Joined RejectNegative UInteger |
72de27ea | 800 | -ftabstop=<number> Distance between tab stops for column reporting |
fef3106c NB |
801 | |
802 | ftemplate-depth- | |
124e0d27 MLI |
803 | C++ ObjC++ Joined RejectNegative UInteger Undocumented |
804 | ||
805 | ftemplate-depth= | |
c22cacf3 | 806 | C++ ObjC++ Joined RejectNegative UInteger |
124e0d27 | 807 | -ftemplate-depth=<number> Specify maximum template instantiation depth |
fef3106c NB |
808 | |
809 | fthis-is-variable | |
810 | C++ ObjC++ | |
811 | ||
40aac948 | 812 | fthreadsafe-statics |
c662432e | 813 | C++ ObjC++ Optimization |
c85ce869 | 814 | -fno-threadsafe-statics Do not generate thread-safe code for initializing local statics |
40aac948 | 815 | |
fef3106c NB |
816 | funsigned-bitfields |
817 | C ObjC C++ ObjC++ | |
5a170a05 | 818 | When \"signed\" or \"unsigned\" is not given make the bitfield unsigned |
fef3106c NB |
819 | |
820 | funsigned-char | |
c59449fa | 821 | C ObjC C++ ObjC++ LTO |
5a170a05 | 822 | Make \"char\" unsigned by default |
fef3106c NB |
823 | |
824 | fuse-cxa-atexit | |
825 | C++ ObjC++ | |
bae92bf3 | 826 | Use __cxa_atexit to register destructors |
fef3106c | 827 | |
c7b5e395 GK |
828 | fuse-cxa-get-exception-ptr |
829 | C++ ObjC++ | |
830 | Use __cxa_get_exception_ptr in exception handling | |
831 | ||
d7afec4b | 832 | fvisibility-inlines-hidden |
d0b07283 | 833 | C++ ObjC++ |
d7afec4b ND |
834 | Marks all inlined methods as having hidden visibility |
835 | ||
ddbfd28d GK |
836 | fvisibility-ms-compat |
837 | C++ ObjC++ Var(flag_visibility_ms_compat) | |
838 | Changes visibility to match Microsoft Visual Studio by default | |
839 | ||
fef3106c NB |
840 | fvtable-gc |
841 | C++ ObjC++ | |
bae92bf3 | 842 | Discard unused virtual functions |
fef3106c NB |
843 | |
844 | fvtable-thunks | |
845 | C++ ObjC++ | |
bae92bf3 | 846 | Implement vtables using thunks |
fef3106c NB |
847 | |
848 | fweak | |
849 | C++ ObjC++ | |
bae92bf3 | 850 | Emit common-like symbols as weak symbols |
fef3106c | 851 | |
e6cc3a24 ZW |
852 | fwide-exec-charset= |
853 | C ObjC C++ ObjC++ Joined RejectNegative | |
72de27ea | 854 | -fwide-exec-charset=<cset> Convert all wide strings and character constants to character set <cset> |
e6cc3a24 | 855 | |
b20d9f0c AO |
856 | fworking-directory |
857 | C ObjC C++ ObjC++ | |
858 | Generate a #line directive pointing at the current working directory | |
859 | ||
fef3106c NB |
860 | fxref |
861 | C++ ObjC++ | |
bae92bf3 | 862 | Emit cross referencing information |
fef3106c | 863 | |
264fa2db ZL |
864 | fzero-link |
865 | ObjC ObjC++ | |
866 | Generate lazy class lookup (via objc_getClass()) for use in Zero-Link mode | |
867 | ||
fef3106c NB |
868 | gen-decls |
869 | ObjC ObjC++ | |
f2ac9964 | 870 | Dump declarations to a .decl file |
fef3106c | 871 | |
39ef6592 LC |
872 | femit-struct-debug-baseonly |
873 | C ObjC C++ ObjC++ | |
874 | -femit-struct-debug-baseonly Aggressive reduced debug info for structs | |
875 | ||
876 | femit-struct-debug-reduced | |
877 | C ObjC C++ ObjC++ | |
878 | -femit-struct-debug-reduced Conservative reduced debug info for structs | |
879 | ||
880 | femit-struct-debug-detailed= | |
881 | C ObjC C++ ObjC++ Joined | |
882 | -femit-struct-debug-detailed=<spec-list> Detailed reduced debug info for structs | |
883 | ||
fef3106c NB |
884 | idirafter |
885 | C ObjC C++ ObjC++ Joined Separate | |
72de27ea | 886 | -idirafter <dir> Add <dir> to the end of the system include path |
fef3106c NB |
887 | |
888 | imacros | |
889 | C ObjC C++ ObjC++ Joined Separate | |
72de27ea | 890 | -imacros <file> Accept definition of macros in <file> |
fef3106c | 891 | |
2b6dd222 JM |
892 | imultilib |
893 | C ObjC C++ ObjC++ Joined Separate | |
f94e1d66 | 894 | -imultilib <dir> Set <dir> to be the multilib include subdirectory |
2b6dd222 | 895 | |
fef3106c NB |
896 | include |
897 | C ObjC C++ ObjC++ Joined Separate | |
72de27ea | 898 | -include <file> Include the contents of <file> before other files |
fef3106c NB |
899 | |
900 | iprefix | |
901 | C ObjC C++ ObjC++ Joined Separate | |
72de27ea | 902 | -iprefix <path> Specify <path> as a prefix for next two options |
fef3106c NB |
903 | |
904 | isysroot | |
905 | C ObjC C++ ObjC++ Joined Separate | |
72de27ea | 906 | -isysroot <dir> Set <dir> to be the system root directory |
fef3106c NB |
907 | |
908 | isystem | |
909 | C ObjC C++ ObjC++ Joined Separate | |
72de27ea | 910 | -isystem <dir> Add <dir> to the start of the system include path |
fef3106c | 911 | |
4bed3787 MS |
912 | iquote |
913 | C ObjC C++ ObjC++ Joined Separate | |
914 | -iquote <dir> Add <dir> to the end of the quote include path | |
915 | ||
fef3106c NB |
916 | iwithprefix |
917 | C ObjC C++ ObjC++ Joined Separate | |
72de27ea | 918 | -iwithprefix <dir> Add <dir> to the end of the system include path |
fef3106c NB |
919 | |
920 | iwithprefixbefore | |
921 | C ObjC C++ ObjC++ Joined Separate | |
72de27ea | 922 | -iwithprefixbefore <dir> Add <dir> to the end of the main include path |
fef3106c NB |
923 | |
924 | lang-asm | |
f2ac9964 | 925 | C Undocumented |
fef3106c NB |
926 | |
927 | lang-objc | |
f2ac9964 | 928 | C ObjC C++ ObjC++ Undocumented |
fef3106c NB |
929 | |
930 | nostdinc | |
931 | C ObjC C++ ObjC++ | |
72de27ea | 932 | Do not search standard system include directories (those specified with -isystem will still be used) |
fef3106c NB |
933 | |
934 | nostdinc++ | |
72de27ea NB |
935 | C++ ObjC++ |
936 | Do not search standard system include directories for C++ | |
fef3106c NB |
937 | |
938 | o | |
939 | C ObjC C++ ObjC++ Joined Separate | |
72de27ea | 940 | ; Documented in common.opt |
fef3106c NB |
941 | |
942 | pedantic | |
943 | C ObjC C++ ObjC++ | |
72de27ea | 944 | ; Documented in common.opt |
fef3106c NB |
945 | |
946 | pedantic-errors | |
947 | C ObjC C++ ObjC++ | |
72de27ea | 948 | ; Documented in common.opt |
fef3106c NB |
949 | |
950 | print-objc-runtime-info | |
951 | ObjC ObjC++ | |
f2ac9964 | 952 | Generate C header of platform-specific features |
fef3106c | 953 | |
3fd30b88 GK |
954 | print-pch-checksum |
955 | C ObjC C++ ObjC++ | |
c85ce869 | 956 | Print a checksum of the executable for PCH validity checking, and stop |
3fd30b88 | 957 | |
fef3106c NB |
958 | remap |
959 | C ObjC C++ ObjC++ | |
72de27ea | 960 | Remap file names when including files |
fef3106c NB |
961 | |
962 | std=c++98 | |
963 | C++ ObjC++ | |
72de27ea | 964 | Conform to the ISO 1998 C++ standard |
fef3106c | 965 | |
966541e3 DG |
966 | std=c++0x |
967 | C++ ObjC++ | |
968 | Conform to the ISO 1998 C++ standard, with extensions that are likely to | |
969 | become a part of the upcoming ISO C++ standard, dubbed C++0x. Note that the | |
970 | extensions enabled by this mode are experimental and may be removed in | |
971 | future releases of GCC. | |
972 | ||
2778d766 JM |
973 | std=c1x |
974 | C ObjC | |
975 | Conform to the ISO 201X C standard draft (experimental and incomplete support) | |
976 | ||
fef3106c NB |
977 | std=c89 |
978 | C ObjC | |
72de27ea | 979 | Conform to the ISO 1990 C standard |
fef3106c | 980 | |
7e1542b9 MLI |
981 | std=c90 |
982 | C ObjC | |
983 | Conform to the ISO 1990 C standard | |
984 | ||
fef3106c NB |
985 | std=c99 |
986 | C ObjC | |
72de27ea | 987 | Conform to the ISO 1999 C standard |
fef3106c NB |
988 | |
989 | std=c9x | |
990 | C ObjC | |
72de27ea | 991 | Deprecated in favor of -std=c99 |
fef3106c NB |
992 | |
993 | std=gnu++98 | |
994 | C++ ObjC++ | |
72de27ea | 995 | Conform to the ISO 1998 C++ standard with GNU extensions |
fef3106c | 996 | |
966541e3 DG |
997 | std=gnu++0x |
998 | C++ ObjC++ | |
999 | Conform to the ISO 1998 C++ standard, with GNU extensions and | |
1000 | extensions that are likely to become a part of the upcoming ISO C++ | |
1001 | standard, dubbed C++0x. Note that the extensions enabled by this mode | |
1002 | are experimental and may be removed in future releases of GCC. | |
1003 | ||
2778d766 JM |
1004 | std=gnu1x |
1005 | C ObjC | |
1006 | Conform to the ISO 201X C standard draft with GNU extensions (experimental and incomplete support) | |
1007 | ||
fef3106c NB |
1008 | std=gnu89 |
1009 | C ObjC | |
72de27ea | 1010 | Conform to the ISO 1990 C standard with GNU extensions |
fef3106c | 1011 | |
7e1542b9 MLI |
1012 | std=gnu90 |
1013 | C ObjC | |
1014 | Conform to the ISO 1990 C standard with GNU extensions | |
1015 | ||
fef3106c NB |
1016 | std=gnu99 |
1017 | C ObjC | |
72de27ea | 1018 | Conform to the ISO 1999 C standard with GNU extensions |
fef3106c NB |
1019 | |
1020 | std=gnu9x | |
1021 | C ObjC | |
72de27ea | 1022 | Deprecated in favor of -std=gnu99 |
fef3106c NB |
1023 | |
1024 | std=iso9899:1990 | |
1025 | C ObjC | |
3a1e400e | 1026 | Conform to the ISO 1990 C standard |
fef3106c NB |
1027 | |
1028 | std=iso9899:199409 | |
1029 | C ObjC | |
72de27ea | 1030 | Conform to the ISO 1990 C standard as amended in 1994 |
fef3106c NB |
1031 | |
1032 | std=iso9899:1999 | |
1033 | C ObjC | |
3a1e400e | 1034 | Conform to the ISO 1999 C standard |
fef3106c NB |
1035 | |
1036 | std=iso9899:199x | |
1037 | C ObjC | |
3a1e400e | 1038 | Deprecated in favor of -std=iso9899:1999 |
fef3106c NB |
1039 | |
1040 | traditional-cpp | |
1041 | C ObjC C++ ObjC++ | |
72de27ea | 1042 | Enable traditional preprocessing |
fef3106c NB |
1043 | |
1044 | trigraphs | |
1045 | C ObjC C++ ObjC++ | |
72de27ea | 1046 | -trigraphs Support ISO C trigraphs |
fef3106c NB |
1047 | |
1048 | undef | |
1049 | C ObjC C++ ObjC++ | |
72de27ea | 1050 | Do not predefine system-specific and GCC-specific macros |
fef3106c NB |
1051 | |
1052 | v | |
b3eaaf1a | 1053 | Common C ObjC C++ ObjC++ |
72de27ea | 1054 | Enable verbose output |
fef3106c NB |
1055 | |
1056 | w | |
1057 | C ObjC C++ ObjC++ | |
72de27ea | 1058 | ; Documented in common.opt |
e11a4ae5 NB |
1059 | |
1060 | ; This comment is to ensure we retain the blank line above. |