Bernhard Rosenkraenzer | c83ebe5 | 2012-09-18 21:38:03 +0159 | [diff] [blame] | 1 | ; Options for the C, ObjC, C++ and ObjC++ front ends. |
| 2 | ; Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, |
| 3 | ; 2011, 2012 Free Software Foundation, Inc. |
| 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 |
| 9 | ; Software Foundation; either version 3, or (at your option) any later |
| 10 | ; version. |
| 11 | ; |
| 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. |
| 16 | ; |
| 17 | ; You should have received a copy of the GNU General Public License |
| 18 | ; along with GCC; see the file COPYING3. If not see |
| 19 | ; <http://www.gnu.org/licenses/>. |
| 20 | |
| 21 | ; See the GCC internals manual for a description of this file's format. |
| 22 | |
| 23 | ; Please try to keep this file in ASCII collating order. |
| 24 | |
| 25 | Language |
| 26 | C |
| 27 | |
| 28 | Language |
| 29 | ObjC |
| 30 | |
| 31 | Language |
| 32 | C++ |
| 33 | |
| 34 | Language |
| 35 | ObjC++ |
| 36 | |
| 37 | -all-warnings |
| 38 | C ObjC C++ ObjC++ Warning Alias(Wall) |
| 39 | |
| 40 | -ansi |
| 41 | C ObjC C++ ObjC++ Alias(ansi) |
| 42 | |
| 43 | -assert |
| 44 | C ObjC C++ ObjC++ Separate Alias(A) MissingArgError(assertion missing after %qs) |
| 45 | |
| 46 | -assert= |
| 47 | C ObjC C++ ObjC++ Joined Alias(A) MissingArgError(assertion missing after %qs) |
| 48 | |
| 49 | -comments |
| 50 | C ObjC C++ ObjC++ Alias(C) |
| 51 | |
| 52 | -comments-in-macros |
| 53 | C ObjC C++ ObjC++ Alias(CC) |
| 54 | |
| 55 | -define-macro |
| 56 | C ObjC C++ ObjC++ Separate Alias(D) MissingArgError(macro name missing after %qs) |
| 57 | |
| 58 | -define-macro= |
| 59 | C ObjC C++ ObjC++ Joined Alias(D) MissingArgError(macro name missing after %qs) |
| 60 | |
| 61 | -dependencies |
| 62 | C ObjC C++ ObjC++ Alias(M) |
| 63 | |
| 64 | -dump |
| 65 | C ObjC C++ ObjC++ Separate Alias(d) |
| 66 | |
| 67 | -dump= |
| 68 | C ObjC C++ ObjC++ Joined Alias(d) |
| 69 | |
| 70 | -imacros |
| 71 | C ObjC C++ ObjC++ Separate Alias(imacros) MissingArgError(missing filename after %qs) |
| 72 | |
| 73 | -imacros= |
| 74 | C ObjC C++ ObjC++ Joined Alias(imacros) MissingArgError(missing filename after %qs) |
| 75 | |
| 76 | -include |
| 77 | C ObjC C++ ObjC++ Separate Alias(include) MissingArgError(missing filename after %qs) |
| 78 | |
| 79 | -include= |
| 80 | C ObjC C++ ObjC++ Joined Alias(include) MissingArgError(missing filename after %qs) |
| 81 | |
| 82 | -include-barrier |
| 83 | C ObjC C++ ObjC++ Alias(I, -) |
| 84 | |
| 85 | -include-directory |
| 86 | C ObjC C++ ObjC++ Separate Alias(I) MissingArgError(missing path after %qs) |
| 87 | |
| 88 | -include-directory= |
| 89 | C ObjC C++ ObjC++ Joined Alias(I) MissingArgError(missing path after %qs) |
| 90 | |
| 91 | -include-directory-after |
| 92 | C ObjC C++ ObjC++ Separate Alias(idirafter) MissingArgError(missing path after %qs) |
| 93 | |
| 94 | -include-directory-after= |
| 95 | C ObjC C++ ObjC++ Joined Alias(idirafter) MissingArgError(missing path after %qs) |
| 96 | |
| 97 | -include-prefix |
| 98 | C ObjC C++ ObjC++ Separate Alias(iprefix) |
| 99 | |
| 100 | -include-prefix= |
| 101 | C ObjC C++ ObjC++ JoinedOrMissing Alias(iprefix) |
| 102 | |
| 103 | -include-with-prefix |
| 104 | C ObjC C++ ObjC++ Separate Alias(iwithprefix) |
| 105 | |
| 106 | -include-with-prefix= |
| 107 | C ObjC C++ ObjC++ JoinedOrMissing Alias(iwithprefix) |
| 108 | |
| 109 | -include-with-prefix-after |
| 110 | C ObjC C++ ObjC++ Separate Alias(iwithprefix) |
| 111 | |
| 112 | -include-with-prefix-after= |
| 113 | C ObjC C++ ObjC++ JoinedOrMissing Alias(iwithprefix) |
| 114 | |
| 115 | -include-with-prefix-before |
| 116 | C ObjC C++ ObjC++ Separate Alias(iwithprefixbefore) |
| 117 | |
| 118 | -include-with-prefix-before= |
| 119 | C ObjC C++ ObjC++ JoinedOrMissing Alias(iwithprefixbefore) |
| 120 | |
| 121 | -no-integrated-cpp |
| 122 | Driver Alias(no-integrated-cpp) |
| 123 | |
| 124 | -no-line-commands |
| 125 | C ObjC C++ ObjC++ Alias(P) |
| 126 | |
| 127 | -no-standard-includes |
| 128 | C ObjC C++ ObjC++ Alias(nostdinc) |
| 129 | |
| 130 | -no-warnings |
| 131 | C ObjC C++ ObjC++ Alias(w) |
| 132 | |
| 133 | -output |
| 134 | C ObjC C++ ObjC++ Separate Alias(o) |
| 135 | |
| 136 | -output= |
| 137 | C ObjC C++ ObjC++ Joined Alias(o) |
| 138 | |
| 139 | -output-pch= |
| 140 | C ObjC C++ ObjC++ Joined Separate |
| 141 | |
| 142 | -pedantic |
| 143 | C ObjC C++ ObjC++ Alias(pedantic) |
| 144 | |
| 145 | -preprocess |
| 146 | C ObjC C++ ObjC++ Undocumented Alias(E) |
| 147 | |
| 148 | -print-missing-file-dependencies |
| 149 | C ObjC C++ ObjC++ Alias(MG) |
| 150 | |
| 151 | -trace-includes |
| 152 | C ObjC C++ ObjC++ Alias(H) |
| 153 | |
| 154 | -traditional |
| 155 | Driver Alias(traditional) |
| 156 | |
| 157 | -traditional-cpp |
| 158 | C ObjC C++ ObjC++ Alias(traditional-cpp) |
| 159 | |
| 160 | -trigraphs |
| 161 | C ObjC C++ ObjC++ Alias(trigraphs) |
| 162 | |
| 163 | -undefine-macro |
| 164 | C ObjC C++ ObjC++ Separate Alias(U) MissingArgError(macro name missing after %qs) |
| 165 | |
| 166 | -undefine-macro= |
| 167 | C ObjC C++ ObjC++ Joined Alias(U) MissingArgError(macro name missing after %qs) |
| 168 | |
| 169 | -user-dependencies |
| 170 | C ObjC C++ ObjC++ Alias(MM) |
| 171 | |
| 172 | -verbose |
| 173 | Common C ObjC C++ ObjC++ Alias(v) |
| 174 | |
| 175 | -write-dependencies |
| 176 | C ObjC C++ ObjC++ NoDriverArg Separate Alias(MD) MissingArgError(missing filename after %qs) |
| 177 | |
| 178 | -write-user-dependencies |
| 179 | C ObjC C++ ObjC++ NoDriverArg Separate Alias(MMD) MissingArgError(missing filename after %qs) |
| 180 | |
| 181 | A |
| 182 | C ObjC C++ ObjC++ Joined Separate MissingArgError(assertion missing after %qs) |
| 183 | -A<question>=<answer> Assert the <answer> to <question>. Putting '-' before <question> disables the <answer> to <question> |
| 184 | |
| 185 | C |
| 186 | C ObjC C++ ObjC++ |
| 187 | Do not discard comments |
| 188 | |
| 189 | CC |
| 190 | C ObjC C++ ObjC++ |
| 191 | Do not discard comments in macro expansions |
| 192 | |
| 193 | D |
| 194 | C ObjC C++ ObjC++ Joined Separate MissingArgError(macro name missing after %qs) |
| 195 | -D<macro>[=<val>] Define a <macro> with <val> as its value. If just <macro> is given, <val> is taken to be 1 |
| 196 | |
| 197 | E |
| 198 | C ObjC C++ ObjC++ Undocumented Var(flag_preprocess_only) |
| 199 | |
| 200 | F |
| 201 | Driver C ObjC C++ ObjC++ Joined Separate MissingArgError(missing path after %qs) |
| 202 | -F <dir> Add <dir> to the end of the main framework include path |
| 203 | |
| 204 | H |
| 205 | C ObjC C++ ObjC++ |
| 206 | Print the name of header files as they are used |
| 207 | |
| 208 | I |
| 209 | C ObjC C++ ObjC++ Joined Separate MissingArgError(missing path after %qs) |
| 210 | -I <dir> Add <dir> to the end of the main include path |
| 211 | |
| 212 | M |
| 213 | C ObjC C++ ObjC++ |
| 214 | Generate make dependencies |
| 215 | |
| 216 | MD |
| 217 | C ObjC C++ ObjC++ NoDriverArg Separate MissingArgError(missing filename after %qs) |
| 218 | Generate make dependencies and compile |
| 219 | |
| 220 | MF |
| 221 | C ObjC C++ ObjC++ Joined Separate MissingArgError(missing filename after %qs) |
| 222 | -MF <file> Write dependency output to the given file |
| 223 | |
| 224 | MG |
| 225 | C ObjC C++ ObjC++ |
| 226 | Treat missing header files as generated files |
| 227 | |
| 228 | MM |
| 229 | C ObjC C++ ObjC++ |
| 230 | Like -M but ignore system header files |
| 231 | |
| 232 | MMD |
| 233 | C ObjC C++ ObjC++ NoDriverArg Separate MissingArgError(missing filename after %qs) |
| 234 | Like -MD but ignore system header files |
| 235 | |
| 236 | MP |
| 237 | C ObjC C++ ObjC++ |
| 238 | Generate phony targets for all headers |
| 239 | |
| 240 | MQ |
| 241 | C ObjC C++ ObjC++ Joined Separate MissingArgError(missing makefile target after %qs) |
| 242 | -MQ <target> Add a MAKE-quoted target |
| 243 | |
| 244 | MT |
| 245 | C ObjC C++ ObjC++ Joined Separate MissingArgError(missing makefile target after %qs) |
| 246 | -MT <target> Add an unquoted target |
| 247 | |
| 248 | P |
| 249 | C ObjC C++ ObjC++ |
| 250 | Do not generate #line directives |
| 251 | |
| 252 | U |
| 253 | C ObjC C++ ObjC++ Joined Separate MissingArgError(macro name missing after %qs) |
| 254 | -U<macro> Undefine <macro> |
| 255 | |
| 256 | Wabi |
| 257 | C ObjC C++ ObjC++ LTO Var(warn_abi) Warning |
| 258 | Warn about things that will change when compiling with an ABI-compliant compiler |
| 259 | |
| 260 | Wpsabi |
| 261 | C ObjC C++ ObjC++ LTO Var(warn_psabi) Init(1) Undocumented |
| 262 | |
| 263 | Waddress |
| 264 | C ObjC C++ ObjC++ Var(warn_address) Warning |
| 265 | Warn about suspicious uses of memory addresses |
| 266 | |
| 267 | Wall |
| 268 | C ObjC C++ ObjC++ Warning |
| 269 | Enable most warning messages |
| 270 | |
| 271 | Wassign-intercept |
| 272 | ObjC ObjC++ Var(warn_assign_intercept) Warning |
| 273 | Warn whenever an Objective-C assignment is being intercepted by the garbage collector |
| 274 | |
| 275 | Wbad-function-cast |
| 276 | C ObjC Var(warn_bad_function_cast) Warning |
| 277 | Warn about casting functions to incompatible types |
| 278 | |
| 279 | Wbuiltin-macro-redefined |
| 280 | C ObjC C++ ObjC++ Warning |
| 281 | Warn when a built-in preprocessor macro is undefined or redefined |
| 282 | |
| 283 | Wc++-compat |
| 284 | C ObjC Var(warn_cxx_compat) Warning |
| 285 | Warn about C constructs that are not in the common subset of C and C++ |
| 286 | |
| 287 | Wc++0x-compat |
| 288 | C++ ObjC++ Var(warn_cxx0x_compat) Warning LangEnabledBy(C++ ObjC++,Wall) |
| 289 | Deprecated in favor of -Wc++11-compat |
| 290 | |
| 291 | Wc++11-compat |
| 292 | C++ ObjC++ Warning Alias(Wc++0x-compat) |
| 293 | Warn about C++ constructs whose meaning differs between ISO C++ 1998 and ISO C++ 2011 |
| 294 | |
| 295 | Wcast-qual |
| 296 | C ObjC C++ ObjC++ Var(warn_cast_qual) Warning |
| 297 | Warn about casts which discard qualifiers |
| 298 | |
| 299 | Wchar-subscripts |
| 300 | C ObjC C++ ObjC++ Var(warn_char_subscripts) Warning |
| 301 | Warn about subscripts whose type is \"char\" |
| 302 | |
| 303 | Wclobbered |
| 304 | C ObjC C++ ObjC++ Var(warn_clobbered) Warning EnabledBy(Wextra) |
| 305 | Warn about variables that might be changed by \"longjmp\" or \"vfork\" |
| 306 | |
| 307 | Wcomment |
| 308 | C ObjC C++ ObjC++ Warning |
| 309 | Warn about possibly nested block comments, and C++ comments spanning more than one physical line |
| 310 | |
| 311 | Wcomments |
| 312 | C ObjC C++ ObjC++ Warning Alias(Wcomment) |
| 313 | Synonym for -Wcomment |
| 314 | |
| 315 | Wconversion |
| 316 | C ObjC C++ ObjC++ Var(warn_conversion) Warning |
| 317 | Warn for implicit type conversions that may change a value |
| 318 | |
| 319 | Wconversion-null |
| 320 | C++ ObjC++ Var(warn_conversion_null) Init(1) Warning |
| 321 | Warn for converting NULL from/to a non-pointer type |
| 322 | |
| 323 | Wsign-conversion |
| 324 | C ObjC C++ ObjC++ Var(warn_sign_conversion) Init(-1) |
| 325 | Warn for implicit type conversions between signed and unsigned integers |
| 326 | |
| 327 | Wctor-dtor-privacy |
| 328 | C++ ObjC++ Var(warn_ctor_dtor_privacy) Warning |
| 329 | Warn when all constructors and destructors are private |
| 330 | |
| 331 | Wdeclaration-after-statement |
| 332 | C ObjC Var(warn_declaration_after_statement) Warning |
| 333 | Warn when a declaration is found after a statement |
| 334 | |
| 335 | Wdelete-non-virtual-dtor |
| 336 | C++ ObjC++ Var(warn_delnonvdtor) Warning LangEnabledBy(C++ ObjC++,Wall) |
| 337 | Warn about deleting polymorphic objects with non-virtual destructors |
| 338 | |
| 339 | Wdeprecated |
| 340 | C C++ ObjC ObjC++ Var(warn_deprecated) Init(1) Warning |
| 341 | Warn if a deprecated compiler feature, class, method, or field is used |
| 342 | |
| 343 | Wdiv-by-zero |
| 344 | C ObjC C++ ObjC++ Var(warn_div_by_zero) Init(1) Warning |
| 345 | Warn about compile-time integer division by zero |
| 346 | |
| 347 | Weffc++ |
| 348 | C++ ObjC++ Var(warn_ecpp) Warning |
| 349 | Warn about violations of Effective C++ style rules |
| 350 | |
| 351 | Wempty-body |
| 352 | C ObjC C++ ObjC++ Var(warn_empty_body) Warning EnabledBy(Wextra) |
| 353 | Warn about an empty body in an if or else statement |
| 354 | |
| 355 | Wendif-labels |
| 356 | C ObjC C++ ObjC++ Warning |
| 357 | Warn about stray tokens after #elif and #endif |
| 358 | |
| 359 | Wenum-compare |
| 360 | C ObjC C++ ObjC++ Var(warn_enum_compare) Init(-1) Warning |
| 361 | Warn about comparison of different enum types |
| 362 | |
| 363 | Werror |
| 364 | C ObjC C++ ObjC++ |
| 365 | ; Documented in common.opt |
| 366 | |
| 367 | Werror-implicit-function-declaration |
| 368 | C ObjC RejectNegative Warning Alias(Werror=, implicit-function-declaration) |
| 369 | This switch is deprecated; use -Werror=implicit-function-declaration instead |
| 370 | |
| 371 | Wfloat-equal |
| 372 | C ObjC C++ ObjC++ Var(warn_float_equal) Warning |
| 373 | Warn if testing floating point numbers for equality |
| 374 | |
| 375 | Wformat |
| 376 | C ObjC C++ ObjC++ Warning |
| 377 | Warn about printf/scanf/strftime/strfmon format string anomalies |
| 378 | |
| 379 | Wformat-extra-args |
| 380 | C ObjC C++ ObjC++ Var(warn_format_extra_args) Warning |
| 381 | Warn if passing too many arguments to a function for its format string |
| 382 | |
| 383 | Wformat-nonliteral |
| 384 | C ObjC C++ ObjC++ Var(warn_format_nonliteral) Warning |
| 385 | Warn about format strings that are not literals |
| 386 | |
| 387 | Wformat-contains-nul |
| 388 | C ObjC C++ ObjC++ Var(warn_format_contains_nul) Warning |
| 389 | Warn about format strings that contain NUL bytes |
| 390 | |
| 391 | Wformat-security |
| 392 | C ObjC C++ ObjC++ Var(warn_format_security) Warning |
| 393 | Warn about possible security problems with format functions |
| 394 | |
| 395 | Wformat-y2k |
| 396 | C ObjC C++ ObjC++ Var(warn_format_y2k) Warning |
| 397 | Warn about strftime formats yielding 2-digit years |
| 398 | |
| 399 | Wformat-zero-length |
| 400 | C ObjC C++ ObjC++ Var(warn_format_zero_length) Warning |
| 401 | Warn about zero-length formats |
| 402 | |
| 403 | Wformat= |
| 404 | C ObjC C++ ObjC++ Joined Warning |
| 405 | |
| 406 | Wignored-qualifiers |
| 407 | C C++ Var(warn_ignored_qualifiers) Warning EnabledBy(Wextra) |
| 408 | Warn whenever type qualifiers are ignored. |
| 409 | |
| 410 | Winit-self |
| 411 | C ObjC C++ ObjC++ Var(warn_init_self) Warning LangEnabledBy(C++ ObjC++,Wall) |
| 412 | Warn about variables which are initialized to themselves |
| 413 | |
| 414 | Wimplicit |
| 415 | C ObjC Var(warn_implicit) Init(-1) Warning |
| 416 | Warn about implicit declarations |
| 417 | |
| 418 | Wdouble-promotion |
| 419 | C ObjC C++ ObjC++ Var(warn_double_promotion) Warning |
| 420 | Warn about implicit conversions from \"float\" to \"double\" |
| 421 | |
| 422 | Wimplicit-function-declaration |
| 423 | C ObjC Var(warn_implicit_function_declaration) Init(-1) Warning |
| 424 | Warn about implicit function declarations |
| 425 | |
| 426 | Wimplicit-int |
| 427 | C ObjC Var(warn_implicit_int) Init(-1) Warning |
| 428 | Warn when a declaration does not specify a type |
| 429 | |
| 430 | Wimport |
| 431 | C ObjC C++ ObjC++ Undocumented Ignore |
| 432 | |
| 433 | Wint-to-pointer-cast |
| 434 | C ObjC C++ ObjC++ Var(warn_int_to_pointer_cast) Init(1) Warning |
| 435 | Warn when there is a cast to a pointer from an integer of a different size |
| 436 | |
| 437 | Winvalid-offsetof |
| 438 | C++ ObjC++ Var(warn_invalid_offsetof) Init(1) Warning |
| 439 | Warn about invalid uses of the \"offsetof\" macro |
| 440 | |
| 441 | Winvalid-pch |
| 442 | C ObjC C++ ObjC++ Warning |
| 443 | Warn about PCH files that are found but not used |
| 444 | |
| 445 | Wjump-misses-init |
| 446 | C ObjC Var(warn_jump_misses_init) Warning LangEnabledby(C ObjC,Wc++-compat) |
| 447 | Warn when a jump misses a variable initialization |
| 448 | |
| 449 | Wliteral-suffix |
| 450 | C++ ObjC++ Warning |
| 451 | Warn when a string or character literal is followed by a ud-suffix which does not begin with an underscore. |
| 452 | |
| 453 | Wlogical-op |
| 454 | C ObjC C++ ObjC++ Var(warn_logical_op) Init(0) Warning |
| 455 | Warn when a logical operator is suspiciously always evaluating to true or false |
| 456 | |
| 457 | Wlong-long |
| 458 | C ObjC C++ ObjC++ Var(warn_long_long) Init(-1) Warning |
| 459 | Do not warn about using \"long long\" when -pedantic |
| 460 | |
| 461 | Wmain |
| 462 | C ObjC C++ ObjC++ Var(warn_main) Init(-1) Warning |
| 463 | Warn about suspicious declarations of \"main\" |
| 464 | |
| 465 | Wmissing-braces |
| 466 | C ObjC C++ ObjC++ Var(warn_missing_braces) Warning LangEnabledBy(C ObjC,Wall) |
| 467 | Warn about possibly missing braces around initializers |
| 468 | |
| 469 | Wmissing-declarations |
| 470 | C ObjC C++ ObjC++ Var(warn_missing_declarations) Warning |
| 471 | Warn about global functions without previous declarations |
| 472 | |
| 473 | Wmissing-field-initializers |
| 474 | C ObjC C++ ObjC++ Var(warn_missing_field_initializers) Warning EnabledBy(Wextra) |
| 475 | Warn about missing fields in struct initializers |
| 476 | |
| 477 | Wsizeof-pointer-memaccess |
| 478 | C ObjC C++ ObjC++ Var(warn_sizeof_pointer_memaccess) Warning |
| 479 | |
| 480 | Wsuggest-attribute=format |
| 481 | C ObjC C++ ObjC++ Var(warn_suggest_attribute_format) Warning |
| 482 | Warn about functions which might be candidates for format attributes |
| 483 | |
| 484 | Wmissing-format-attribute |
| 485 | C ObjC C++ ObjC++ Alias(Wsuggest-attribute=format) |
| 486 | ; |
| 487 | |
| 488 | Wmissing-include-dirs |
| 489 | C ObjC C++ ObjC++ Warning |
| 490 | Warn about user-specified include directories that do not exist |
| 491 | |
| 492 | Wmissing-parameter-type |
| 493 | C ObjC Var(warn_missing_parameter_type) Warning EnabledBy(Wextra) |
| 494 | Warn about function parameters declared without a type specifier in K&R-style functions |
| 495 | |
| 496 | Wmissing-prototypes |
| 497 | C ObjC Var(warn_missing_prototypes) Warning |
| 498 | Warn about global functions without prototypes |
| 499 | |
| 500 | Wmudflap |
| 501 | C ObjC C++ ObjC++ Var(warn_mudflap) Init(1) Warning |
| 502 | Warn about constructs not instrumented by -fmudflap |
| 503 | |
| 504 | Wmultichar |
| 505 | C ObjC C++ ObjC++ Warning |
| 506 | Warn about use of multi-character character constants |
| 507 | |
| 508 | Wnarrowing |
| 509 | C ObjC C++ ObjC++ Warning Var(warn_narrowing) Init(-1) |
| 510 | Warn about narrowing conversions within { } that are ill-formed in C++11 |
| 511 | |
| 512 | Wnested-externs |
| 513 | C ObjC Var(warn_nested_externs) Warning |
| 514 | Warn about \"extern\" declarations not at file scope |
| 515 | |
| 516 | Wnoexcept |
| 517 | C++ ObjC++ Var(warn_noexcept) Warning |
| 518 | Warn when a noexcept expression evaluates to false even though the expression can't actually throw |
| 519 | |
| 520 | Wnon-template-friend |
| 521 | C++ ObjC++ Var(warn_nontemplate_friend) Init(1) Warning |
| 522 | Warn when non-templatized friend functions are declared within a template |
| 523 | |
| 524 | Wnon-virtual-dtor |
| 525 | C++ ObjC++ Var(warn_nonvdtor) Warning |
| 526 | Warn about non-virtual destructors |
| 527 | |
| 528 | Wnonnull |
| 529 | C ObjC C++ ObjC++ Var(warn_nonnull) Warning |
| 530 | Warn about NULL being passed to argument slots marked as requiring non-NULL |
| 531 | |
| 532 | Wnormalized= |
| 533 | C ObjC C++ ObjC++ Joined Warning |
| 534 | -Wnormalized=<id|nfc|nfkc> Warn about non-normalised Unicode strings |
| 535 | |
| 536 | Wold-style-cast |
| 537 | C++ ObjC++ Var(warn_old_style_cast) Warning |
| 538 | Warn if a C-style cast is used in a program |
| 539 | |
| 540 | Wold-style-declaration |
| 541 | C ObjC Var(warn_old_style_declaration) Warning EnabledBy(Wextra) |
| 542 | Warn for obsolescent usage in a declaration |
| 543 | |
| 544 | Wold-style-definition |
| 545 | C ObjC Var(warn_old_style_definition) Warning |
| 546 | Warn if an old-style parameter definition is used |
| 547 | |
| 548 | Woverlength-strings |
| 549 | C ObjC C++ ObjC++ Var(warn_overlength_strings) Init(-1) Warning |
| 550 | Warn if a string is longer than the maximum portable length specified by the standard |
| 551 | |
| 552 | Woverloaded-virtual |
| 553 | C++ ObjC++ Var(warn_overloaded_virtual) Warning |
| 554 | Warn about overloaded virtual function names |
| 555 | |
| 556 | Woverride-init |
| 557 | C ObjC Var(warn_override_init) Warning EnabledBy(Wextra) |
| 558 | Warn about overriding initializers without side effects |
| 559 | |
| 560 | Wpacked-bitfield-compat |
| 561 | C ObjC C++ ObjC++ Var(warn_packed_bitfield_compat) Init(-1) Warning |
| 562 | Warn about packed bit-fields whose offset changed in GCC 4.4 |
| 563 | |
| 564 | Wparentheses |
| 565 | C ObjC C++ ObjC++ Var(warn_parentheses) Warning |
| 566 | Warn about possibly missing parentheses |
| 567 | |
| 568 | Wpedantic |
| 569 | C ObjC C++ ObjC++ Warning |
| 570 | ; Documented in common.opt |
| 571 | |
| 572 | Wpmf-conversions |
| 573 | C++ ObjC++ Var(warn_pmf2ptr) Init(1) Warning |
| 574 | Warn when converting the type of pointers to member functions |
| 575 | |
| 576 | Wpointer-arith |
| 577 | C ObjC C++ ObjC++ Var(warn_pointer_arith) Warning |
| 578 | Warn about function pointer arithmetic |
| 579 | |
| 580 | Wpointer-to-int-cast |
| 581 | C ObjC Var(warn_pointer_to_int_cast) Init(1) Warning |
| 582 | Warn when a pointer is cast to an integer of a different size |
| 583 | |
| 584 | Wpragmas |
| 585 | C ObjC C++ ObjC++ Var(warn_pragmas) Init(1) Warning |
| 586 | Warn about misuses of pragmas |
| 587 | |
| 588 | Wproperty-assign-default |
| 589 | ObjC ObjC++ Var(warn_property_assign_default) Init(1) Warning |
| 590 | Warn if a property for an Objective-C object has no assign semantics specified |
| 591 | |
| 592 | Wprotocol |
| 593 | ObjC ObjC++ Var(warn_protocol) Init(1) Warning |
| 594 | Warn if inherited methods are unimplemented |
| 595 | |
| 596 | Wredundant-decls |
| 597 | C ObjC C++ ObjC++ Var(warn_redundant_decls) Warning |
| 598 | Warn about multiple declarations of the same object |
| 599 | |
| 600 | Wreorder |
| 601 | C++ ObjC++ Var(warn_reorder) Warning LangEnabledBy(C++ ObjC++,Wall) |
| 602 | Warn when the compiler reorders code |
| 603 | |
| 604 | Wreturn-type |
| 605 | C ObjC C++ ObjC++ Var(warn_return_type) Warning |
| 606 | Warn whenever a function's return type defaults to \"int\" (C), or about inconsistent return types (C++) |
| 607 | |
| 608 | Wselector |
| 609 | ObjC ObjC++ Var(warn_selector) Warning |
| 610 | Warn if a selector has multiple methods |
| 611 | |
| 612 | Wsequence-point |
| 613 | C ObjC C++ ObjC++ Var(warn_sequence_point) Warning |
| 614 | Warn about possible violations of sequence point rules |
| 615 | |
| 616 | Wsign-compare |
| 617 | C ObjC C++ ObjC++ Var(warn_sign_compare) Init(-1) Warning |
| 618 | Warn about signed-unsigned comparisons |
| 619 | |
| 620 | Wsign-promo |
| 621 | C++ ObjC++ Var(warn_sign_promo) Warning |
| 622 | Warn when overload promotes from unsigned to signed |
| 623 | |
| 624 | Wstrict-null-sentinel |
| 625 | C++ ObjC++ Warning Var(warn_strict_null_sentinel) |
| 626 | Warn about uncasted NULL used as sentinel |
| 627 | |
| 628 | Wstrict-prototypes |
| 629 | C ObjC Var(warn_strict_prototypes) Warning |
| 630 | Warn about unprototyped function declarations |
| 631 | |
| 632 | Wstrict-selector-match |
| 633 | ObjC ObjC++ Var(warn_strict_selector_match) Warning |
| 634 | Warn if type signatures of candidate methods do not match exactly |
| 635 | |
| 636 | Wsync-nand |
| 637 | C C++ Var(warn_sync_nand) Init(1) Warning |
| 638 | Warn when __sync_fetch_and_nand and __sync_nand_and_fetch built-in functions are used |
| 639 | |
| 640 | Wsynth |
| 641 | C++ ObjC++ Var(warn_synth) Warning |
| 642 | Deprecated. This switch has no effect |
| 643 | |
| 644 | Wsystem-headers |
| 645 | C ObjC C++ ObjC++ Warning |
| 646 | ; Documented in common.opt |
| 647 | |
| 648 | Wtraditional |
| 649 | C ObjC Var(warn_traditional) Warning |
| 650 | Warn about features not present in traditional C |
| 651 | |
| 652 | Wtraditional-conversion |
| 653 | C ObjC Var(warn_traditional_conversion) Warning |
| 654 | Warn of prototypes causing type conversions different from what would happen in the absence of prototype |
| 655 | |
| 656 | Wtrigraphs |
| 657 | C ObjC C++ ObjC++ Warning |
| 658 | Warn if trigraphs are encountered that might affect the meaning of the program |
| 659 | |
| 660 | Wundeclared-selector |
| 661 | ObjC ObjC++ Var(warn_undeclared_selector) Warning |
| 662 | Warn about @selector()s without previously declared methods |
| 663 | |
| 664 | Wundef |
| 665 | C ObjC C++ ObjC++ Warning |
| 666 | Warn if an undefined macro is used in an #if directive |
| 667 | |
| 668 | Wunknown-pragmas |
| 669 | C ObjC C++ ObjC++ Warning |
| 670 | Warn about unrecognized pragmas |
| 671 | |
| 672 | Wunsuffixed-float-constants |
| 673 | C ObjC Var(warn_unsuffixed_float_constants) Warning |
| 674 | Warn about unsuffixed float constants |
| 675 | |
| 676 | Wunused-local-typedefs |
| 677 | C ObjC C++ ObjC++ Var(warn_unused_local_typedefs) Warning EnabledBy(Wunused) |
| 678 | Warn when typedefs locally defined in a function are not used |
| 679 | |
| 680 | Wunused-macros |
| 681 | C ObjC C++ ObjC++ Warning |
| 682 | Warn about macros defined in the main file that are not used |
| 683 | |
| 684 | Wunused-result |
| 685 | C ObjC C++ ObjC++ Var(warn_unused_result) Init(1) Warning |
| 686 | Warn if a caller of a function, marked with attribute warn_unused_result, does not use its return value |
| 687 | |
| 688 | Wvariadic-macros |
| 689 | C ObjC C++ ObjC++ Warning |
| 690 | Do not warn about using variadic macros when -pedantic |
| 691 | |
| 692 | Wvarargs |
| 693 | C ObjC C++ ObjC++ Warning Var(warn_varargs) Init(1) |
| 694 | Warn about questionable usage of the macros used to retrieve variable arguments |
| 695 | |
| 696 | Wvla |
| 697 | C ObjC C++ ObjC++ Var(warn_vla) Init(-1) Warning |
| 698 | Warn if a variable length array is used |
| 699 | |
| 700 | Wvolatile-register-var |
| 701 | C ObjC C++ ObjC++ Var(warn_volatile_register_var) Warning |
| 702 | Warn when a register variable is declared volatile |
| 703 | |
| 704 | Wwrite-strings |
| 705 | C ObjC C++ ObjC++ Var(warn_write_strings) Warning |
| 706 | 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. |
| 707 | |
| 708 | Wpointer-sign |
| 709 | C ObjC Var(warn_pointer_sign) Init(-1) Warning |
| 710 | Warn when a pointer differs in signedness in an assignment |
| 711 | |
| 712 | Wzero-as-null-pointer-constant |
| 713 | C++ ObjC++ Var(warn_zero_as_null_pointer_constant) Warning |
| 714 | Warn when a literal '0' is used as null pointer |
| 715 | |
| 716 | Wuseless-cast |
| 717 | C++ ObjC++ Var(warn_useless_cast) Warning |
| 718 | Warn about useless casts |
| 719 | |
| 720 | ansi |
| 721 | C ObjC C++ ObjC++ |
| 722 | A synonym for -std=c89 (for C) or -std=c++98 (for C++) |
| 723 | |
| 724 | d |
| 725 | C ObjC C++ ObjC++ Joined |
| 726 | ; Documented in common.opt. FIXME - what about -dI, -dD, -dN and -dD? |
| 727 | |
| 728 | faccess-control |
| 729 | C++ ObjC++ Var(flag_access_control) Init(1) |
| 730 | Enforce class member access control semantics |
| 731 | |
Bernhard Rosenkraenzer | 84c1139 | 2012-09-27 01:39:09 +0159 | [diff] [blame] | 732 | fada-spec-parent= |
| 733 | C ObjC C++ ObjC++ RejectNegative Joined Var(ada_specs_parent) |
| 734 | -fada-spec-parent=unit Dump Ada specs as child units of given parent |
| 735 | |
Bernhard Rosenkraenzer | c83ebe5 | 2012-09-18 21:38:03 +0159 | [diff] [blame] | 736 | fall-virtual |
| 737 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
| 738 | |
| 739 | fallow-parameterless-variadic-functions |
| 740 | C ObjC Var(flag_allow_parameterless_variadic_functions) |
| 741 | Allow variadic functions without named parameter |
| 742 | |
| 743 | falt-external-templates |
| 744 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
| 745 | No longer supported |
| 746 | |
| 747 | fasm |
| 748 | C ObjC C++ ObjC++ Var(flag_no_asm, 0) |
| 749 | Recognize the \"asm\" keyword |
| 750 | |
| 751 | ; Define extra predefined macros for use in libgcc. |
| 752 | fbuilding-libgcc |
| 753 | C ObjC C++ ObjC++ Undocumented Var(flag_building_libgcc) |
| 754 | |
| 755 | fbuiltin |
| 756 | C ObjC C++ ObjC++ Var(flag_no_builtin, 0) |
| 757 | Recognize built-in functions |
| 758 | |
| 759 | fbuiltin- |
| 760 | C ObjC C++ ObjC++ Joined |
| 761 | |
| 762 | fcheck-new |
| 763 | C++ ObjC++ Var(flag_check_new) |
| 764 | Check the return value of new |
| 765 | |
| 766 | fcond-mismatch |
| 767 | C ObjC C++ ObjC++ |
| 768 | Allow the arguments of the '?' operator to have different types |
| 769 | |
| 770 | fconserve-space |
| 771 | C++ ObjC++ Var(flag_conserve_space) |
| 772 | Does nothing. Preserved for backward compatibility. |
| 773 | |
| 774 | fconstant-string-class= |
| 775 | ObjC ObjC++ Joined MissingArgError(no class name specified with %qs) |
| 776 | -fconst-string-class=<name> Use class <name> for constant strings |
| 777 | |
| 778 | fconstexpr-depth= |
| 779 | C++ ObjC++ Joined RejectNegative UInteger Var(max_constexpr_depth) Init(512) |
| 780 | -fconstexpr-depth=<number> Specify maximum constexpr recursion depth |
| 781 | |
| 782 | fdebug-cpp |
| 783 | C ObjC C++ ObjC++ |
| 784 | Emit debug annotations during preprocessing |
| 785 | |
| 786 | fdeduce-init-list |
| 787 | C++ ObjC++ Var(flag_deduce_init_list) Init(0) |
| 788 | -fdeduce-init-list enable deduction of std::initializer_list for a template type parameter from a brace-enclosed initializer-list |
| 789 | |
| 790 | fdefault-inline |
| 791 | C++ ObjC++ Ignore |
| 792 | Does nothing. Preserved for backward compatibility. |
| 793 | |
| 794 | fdirectives-only |
| 795 | C ObjC C++ ObjC++ |
| 796 | Preprocess directives only. |
| 797 | |
| 798 | fdollars-in-identifiers |
| 799 | C ObjC C++ ObjC++ |
| 800 | Permit '$' as an identifier character |
| 801 | |
Bernhard Rosenkraenzer | ee2ec6d | 2012-10-10 01:40:27 +0159 | [diff] [blame^] | 802 | fdump-ada-spec |
| 803 | C ObjC C++ ObjC++ RejectNegative Var(flag_dump_ada_spec) |
| 804 | Write all declarations as Ada code transitively |
| 805 | |
| 806 | fdump-ada-spec-slim |
| 807 | C ObjC C++ ObjC++ RejectNegative Var(flag_dump_ada_spec_slim) |
| 808 | Write all declarations as Ada code for the given file only |
| 809 | |
Bernhard Rosenkraenzer | c83ebe5 | 2012-09-18 21:38:03 +0159 | [diff] [blame] | 810 | felide-constructors |
| 811 | C++ ObjC++ Var(flag_elide_constructors) Init(1) |
| 812 | |
| 813 | fenforce-eh-specs |
| 814 | C++ ObjC++ Var(flag_enforce_eh_specs) Init(1) |
| 815 | Generate code to check exception specifications |
| 816 | |
| 817 | fenum-int-equiv |
| 818 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
| 819 | |
| 820 | fexec-charset= |
| 821 | C ObjC C++ ObjC++ Joined RejectNegative |
| 822 | -fexec-charset=<cset> Convert all strings and character constants to character set <cset> |
| 823 | |
| 824 | fextended-identifiers |
| 825 | C ObjC C++ ObjC++ |
| 826 | Permit universal character names (\\u and \\U) in identifiers |
| 827 | |
| 828 | finput-charset= |
| 829 | C ObjC C++ ObjC++ Joined RejectNegative |
| 830 | -finput-charset=<cset> Specify the default character set for source files |
| 831 | |
| 832 | |
| 833 | fexternal-templates |
| 834 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
| 835 | |
| 836 | ffor-scope |
| 837 | C++ ObjC++ Var(flag_new_for_scope) Init(1) |
| 838 | Scope of for-init-statement variables is local to the loop |
| 839 | |
| 840 | ffreestanding |
| 841 | C ObjC C++ ObjC++ |
| 842 | Do not assume that standard C libraries and \"main\" exist |
| 843 | |
| 844 | fgnu-keywords |
| 845 | C++ ObjC++ Var(flag_no_gnu_keywords, 0) |
| 846 | Recognize GNU-defined keywords |
| 847 | |
| 848 | fgnu-runtime |
| 849 | ObjC ObjC++ Report RejectNegative Var(flag_next_runtime,0) Init(NEXT_OBJC_RUNTIME) |
| 850 | Generate code for GNU runtime environment |
| 851 | |
| 852 | fgnu89-inline |
| 853 | C ObjC Var(flag_gnu89_inline) Init(-1) |
| 854 | Use traditional GNU semantics for inline functions |
| 855 | |
| 856 | fguiding-decls |
| 857 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
| 858 | |
| 859 | fhandle-exceptions |
| 860 | C++ ObjC++ Optimization Alias(fexceptions) Warn({-fhandle-exceptions has been renamed -fexceptions (and is now on by default)}) |
| 861 | |
| 862 | fhonor-std |
| 863 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
| 864 | |
| 865 | fhosted |
| 866 | C ObjC |
| 867 | Assume normal C execution environment |
| 868 | |
| 869 | fhuge-objects |
| 870 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
| 871 | No longer supported |
| 872 | |
| 873 | fimplement-inlines |
| 874 | C++ ObjC++ Var(flag_implement_inlines) Init(1) |
| 875 | Export functions even if they can be inlined |
| 876 | |
| 877 | fimplicit-inline-templates |
| 878 | C++ ObjC++ Var(flag_implicit_inline_templates) Init(1) |
| 879 | Emit implicit instantiations of inline templates |
| 880 | |
| 881 | fimplicit-templates |
| 882 | C++ ObjC++ Var(flag_implicit_templates) Init(1) |
| 883 | Emit implicit instantiations of templates |
| 884 | |
| 885 | ffriend-injection |
| 886 | C++ ObjC++ Var(flag_friend_injection) |
| 887 | Inject friend functions into enclosing namespace |
| 888 | |
| 889 | fkeep-inline-dllexport |
| 890 | C C++ ObjC ObjC++ Var(flag_keep_inline_dllexport) Init(1) Report Condition(TARGET_DLLIMPORT_DECL_ATTRIBUTES) |
| 891 | Don't emit dllexported inline functions unless needed |
| 892 | |
| 893 | flabels-ok |
| 894 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
| 895 | |
| 896 | flax-vector-conversions |
| 897 | C ObjC C++ ObjC++ Var(flag_lax_vector_conversions) |
| 898 | Allow implicit conversions between vectors with differing numbers of subparts and/or differing element types. |
| 899 | |
| 900 | fms-extensions |
| 901 | C ObjC C++ ObjC++ Var(flag_ms_extensions) |
| 902 | Don't warn about uses of Microsoft extensions |
| 903 | |
| 904 | fmudflap |
| 905 | C ObjC C++ ObjC++ RejectNegative Report Var(flag_mudflap) |
| 906 | Add mudflap bounds-checking instrumentation for single-threaded program |
| 907 | |
| 908 | fmudflapth |
| 909 | C ObjC C++ ObjC++ RejectNegative Report Var(flag_mudflap,2) |
| 910 | Add mudflap bounds-checking instrumentation for multi-threaded program |
| 911 | |
| 912 | fmudflapir |
| 913 | C ObjC C++ ObjC++ RejectNegative Report Var(flag_mudflap_ignore_reads) |
| 914 | Ignore read operations when inserting mudflap instrumentation |
| 915 | |
| 916 | fname-mangling-version- |
| 917 | C++ ObjC++ Joined Ignore Warn(switch %qs is no longer supported) |
| 918 | |
| 919 | fnew-abi |
| 920 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
| 921 | |
| 922 | fnext-runtime |
| 923 | ObjC ObjC++ Report RejectNegative Var(flag_next_runtime) |
| 924 | Generate code for NeXT (Apple Mac OS X) runtime environment |
| 925 | |
| 926 | fnil-receivers |
| 927 | ObjC ObjC++ Var(flag_nil_receivers) Init(1) |
| 928 | Assume that receivers of Objective-C messages may be nil |
| 929 | |
| 930 | fnonansi-builtins |
| 931 | C++ ObjC++ Var(flag_no_nonansi_builtin, 0) |
| 932 | |
| 933 | fnonnull-objects |
| 934 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
| 935 | |
| 936 | fnothrow-opt |
| 937 | C++ ObjC++ Optimization Var(flag_nothrow_opt) |
| 938 | Treat a throw() exception specification as noexcept to improve code size |
| 939 | |
| 940 | fobjc-abi-version= |
| 941 | ObjC ObjC++ Joined Report RejectNegative UInteger Var(flag_objc_abi) |
| 942 | Specify which ABI to use for Objective-C family code and meta-data generation. |
| 943 | |
| 944 | ; Generate special '- .cxx_construct' and '- .cxx_destruct' methods |
| 945 | ; to initialize any non-POD ivars in Objective-C++ classes. |
| 946 | fobjc-call-cxx-cdtors |
| 947 | ObjC++ Var(flag_objc_call_cxx_cdtors) |
| 948 | Generate special Objective-C methods to initialize/destroy non-POD C++ ivars, if needed |
| 949 | |
| 950 | fobjc-direct-dispatch |
| 951 | ObjC ObjC++ Var(flag_objc_direct_dispatch) |
| 952 | Allow fast jumps to the message dispatcher |
| 953 | |
| 954 | ; Nonzero means that we will allow new ObjC exception syntax (@throw, |
| 955 | ; @try, etc.) in source code. |
| 956 | fobjc-exceptions |
| 957 | ObjC ObjC++ Var(flag_objc_exceptions) |
| 958 | Enable Objective-C exception and synchronization syntax |
| 959 | |
| 960 | fobjc-gc |
| 961 | ObjC ObjC++ Var(flag_objc_gc) |
| 962 | Enable garbage collection (GC) in Objective-C/Objective-C++ programs |
| 963 | |
| 964 | fobjc-nilcheck |
| 965 | ObjC ObjC++ Var(flag_objc_nilcheck,1) |
| 966 | Enable inline checks for nil receivers with the NeXT runtime and ABI version 2. |
| 967 | |
| 968 | ; Nonzero means that we generate NeXT setjmp based exceptions. |
| 969 | fobjc-sjlj-exceptions |
| 970 | ObjC ObjC++ Var(flag_objc_sjlj_exceptions) Init(-1) |
| 971 | Enable Objective-C setjmp exception handling runtime |
| 972 | |
| 973 | fobjc-std=objc1 |
| 974 | ObjC ObjC++ Var(flag_objc1_only) |
| 975 | Conform to the Objective-C 1.0 language as implemented in GCC 4.0 |
| 976 | |
| 977 | fopenmp |
| 978 | C ObjC C++ ObjC++ Var(flag_openmp) |
| 979 | Enable OpenMP (implies -frecursive in Fortran) |
| 980 | |
| 981 | foperator-names |
| 982 | C++ ObjC++ |
| 983 | Recognize C++ keywords like \"compl\" and \"xor\" |
| 984 | |
| 985 | foptional-diags |
| 986 | C++ ObjC++ Ignore |
| 987 | Does nothing. Preserved for backward compatibility. |
| 988 | |
| 989 | fpch-deps |
| 990 | C ObjC C++ ObjC++ |
| 991 | |
| 992 | fpch-preprocess |
| 993 | C ObjC C++ ObjC++ |
| 994 | Look for and use PCH files even when preprocessing |
| 995 | |
| 996 | fpermissive |
| 997 | C++ ObjC++ Var(flag_permissive) |
| 998 | Downgrade conformance errors to warnings |
| 999 | |
| 1000 | fplan9-extensions |
| 1001 | C ObjC Var(flag_plan9_extensions) |
| 1002 | Enable Plan 9 language extensions |
| 1003 | |
| 1004 | fpreprocessed |
| 1005 | C ObjC C++ ObjC++ |
| 1006 | Treat the input file as already preprocessed |
| 1007 | |
| 1008 | ftrack-macro-expansion |
| 1009 | C ObjC C++ ObjC++ JoinedOrMissing RejectNegative UInteger |
| 1010 | ; converted into ftrack-macro-expansion= |
| 1011 | |
| 1012 | ftrack-macro-expansion= |
| 1013 | C ObjC C++ ObjC++ JoinedOrMissing RejectNegative UInteger |
| 1014 | -ftrack-macro-expansion=<0|1|2> Track locations of tokens coming from macro expansion and display them in error messages |
| 1015 | |
| 1016 | fpretty-templates |
| 1017 | C++ ObjC++ Var(flag_pretty_templates) Init(1) |
| 1018 | -fno-pretty-templates Do not pretty-print template specializations as the template signature followed by the arguments |
| 1019 | |
| 1020 | freplace-objc-classes |
| 1021 | ObjC ObjC++ Var(flag_replace_objc_classes) |
| 1022 | Used in Fix-and-Continue mode to indicate that object files may be swapped in at runtime |
| 1023 | |
| 1024 | frepo |
| 1025 | C++ ObjC++ |
| 1026 | Enable automatic template instantiation |
| 1027 | |
| 1028 | frtti |
| 1029 | C++ ObjC++ Optimization Var(flag_rtti) Init(1) |
| 1030 | Generate run time type descriptor information |
| 1031 | |
| 1032 | fshort-double |
| 1033 | C ObjC C++ ObjC++ Optimization Var(flag_short_double) |
| 1034 | Use the same size for double as for float |
| 1035 | |
| 1036 | fshort-enums |
| 1037 | C ObjC C++ ObjC++ Optimization Var(flag_short_enums) |
| 1038 | Use the narrowest integer type possible for enumeration types |
| 1039 | |
| 1040 | fshort-wchar |
| 1041 | C ObjC C++ ObjC++ Optimization Var(flag_short_wchar) |
| 1042 | Force the underlying type for \"wchar_t\" to be \"unsigned short\" |
| 1043 | |
| 1044 | fsigned-bitfields |
| 1045 | C ObjC C++ ObjC++ Var(flag_signed_bitfields) Init(1) |
| 1046 | When \"signed\" or \"unsigned\" is not given make the bitfield signed |
| 1047 | |
| 1048 | fsigned-char |
| 1049 | C ObjC C++ ObjC++ LTO Var(flag_signed_char) |
| 1050 | Make \"char\" signed by default |
| 1051 | |
| 1052 | fsquangle |
| 1053 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
| 1054 | |
| 1055 | fstats |
| 1056 | C++ ObjC++ Var(flag_detailed_statistics) |
| 1057 | Display statistics accumulated during compilation |
| 1058 | |
| 1059 | fstrict-enums |
| 1060 | C++ ObjC++ Optimization Var(flag_strict_enums) |
| 1061 | Assume that values of enumeration type are always within the minimum range of that type |
| 1062 | |
| 1063 | fstrict-prototype |
| 1064 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
| 1065 | |
| 1066 | ftabstop= |
| 1067 | C ObjC C++ ObjC++ Joined RejectNegative UInteger |
| 1068 | -ftabstop=<number> Distance between tab stops for column reporting |
| 1069 | |
| 1070 | ftemplate-backtrace-limit= |
| 1071 | C++ ObjC++ Joined RejectNegative UInteger Var(template_backtrace_limit) Init(10) |
| 1072 | Set the maximum number of template instantiation notes for a single warning or error |
| 1073 | |
| 1074 | ftemplate-depth- |
| 1075 | C++ ObjC++ Joined RejectNegative Undocumented Alias(ftemplate-depth=) |
| 1076 | |
| 1077 | ftemplate-depth= |
| 1078 | C++ ObjC++ Joined RejectNegative UInteger |
| 1079 | -ftemplate-depth=<number> Specify maximum template instantiation depth |
| 1080 | |
| 1081 | fthis-is-variable |
| 1082 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
| 1083 | |
| 1084 | fthreadsafe-statics |
| 1085 | C++ ObjC++ Optimization Var(flag_threadsafe_statics) Init(1) |
| 1086 | -fno-threadsafe-statics Do not generate thread-safe code for initializing local statics |
| 1087 | |
| 1088 | funsigned-bitfields |
| 1089 | C ObjC C++ ObjC++ Var(flag_signed_bitfields, 0) |
| 1090 | When \"signed\" or \"unsigned\" is not given make the bitfield unsigned |
| 1091 | |
| 1092 | funsigned-char |
| 1093 | C ObjC C++ ObjC++ LTO Var(flag_signed_char, 0) |
| 1094 | Make \"char\" unsigned by default |
| 1095 | |
| 1096 | fuse-cxa-atexit |
| 1097 | C++ ObjC++ Var(flag_use_cxa_atexit) Init(DEFAULT_USE_CXA_ATEXIT) |
| 1098 | Use __cxa_atexit to register destructors |
| 1099 | |
| 1100 | fuse-cxa-get-exception-ptr |
| 1101 | C++ ObjC++ Var(flag_use_cxa_get_exception_ptr) Init(2) |
| 1102 | Use __cxa_get_exception_ptr in exception handling |
| 1103 | |
| 1104 | fvisibility-inlines-hidden |
| 1105 | C++ ObjC++ |
| 1106 | Marks all inlined functions and methods as having hidden visibility |
| 1107 | |
| 1108 | fvisibility-ms-compat |
| 1109 | C++ ObjC++ Var(flag_visibility_ms_compat) |
| 1110 | Changes visibility to match Microsoft Visual Studio by default |
| 1111 | |
| 1112 | fvtable-gc |
| 1113 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
| 1114 | No longer supported |
| 1115 | |
| 1116 | fvtable-thunks |
| 1117 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
| 1118 | No longer supported |
| 1119 | |
| 1120 | fweak |
| 1121 | C++ ObjC++ Var(flag_weak) Init(1) |
| 1122 | Emit common-like symbols as weak symbols |
| 1123 | |
| 1124 | fwide-exec-charset= |
| 1125 | C ObjC C++ ObjC++ Joined RejectNegative |
| 1126 | -fwide-exec-charset=<cset> Convert all wide strings and character constants to character set <cset> |
| 1127 | |
| 1128 | fworking-directory |
| 1129 | C ObjC C++ ObjC++ Var(flag_working_directory) Init(-1) |
| 1130 | Generate a #line directive pointing at the current working directory |
| 1131 | |
| 1132 | fxref |
| 1133 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
| 1134 | No longer supported |
| 1135 | |
| 1136 | fzero-link |
| 1137 | ObjC ObjC++ Var(flag_zero_link) |
| 1138 | Generate lazy class lookup (via objc_getClass()) for use in Zero-Link mode |
| 1139 | |
| 1140 | gen-decls |
| 1141 | ObjC ObjC++ Var(flag_gen_declaration) |
| 1142 | Dump declarations to a .decl file |
| 1143 | |
| 1144 | femit-struct-debug-baseonly |
| 1145 | C ObjC C++ ObjC++ |
| 1146 | -femit-struct-debug-baseonly Aggressive reduced debug info for structs |
| 1147 | |
| 1148 | femit-struct-debug-reduced |
| 1149 | C ObjC C++ ObjC++ |
| 1150 | -femit-struct-debug-reduced Conservative reduced debug info for structs |
| 1151 | |
| 1152 | femit-struct-debug-detailed= |
| 1153 | C ObjC C++ ObjC++ Joined |
| 1154 | -femit-struct-debug-detailed=<spec-list> Detailed reduced debug info for structs |
| 1155 | |
| 1156 | idirafter |
| 1157 | C ObjC C++ ObjC++ Joined Separate MissingArgError(missing path after %qs) |
| 1158 | -idirafter <dir> Add <dir> to the end of the system include path |
| 1159 | |
| 1160 | imacros |
| 1161 | C ObjC C++ ObjC++ Joined Separate MissingArgError(missing filename after %qs) |
| 1162 | -imacros <file> Accept definition of macros in <file> |
| 1163 | |
| 1164 | imultilib |
| 1165 | C ObjC C++ ObjC++ Joined Separate |
| 1166 | -imultilib <dir> Set <dir> to be the multilib include subdirectory |
| 1167 | |
| 1168 | include |
| 1169 | C ObjC C++ ObjC++ Joined Separate MissingArgError(missing filename after %qs) |
| 1170 | -include <file> Include the contents of <file> before other files |
| 1171 | |
| 1172 | iprefix |
| 1173 | C ObjC C++ ObjC++ Joined Separate |
| 1174 | -iprefix <path> Specify <path> as a prefix for next two options |
| 1175 | |
| 1176 | isysroot |
| 1177 | C ObjC C++ ObjC++ Joined Separate MissingArgError(missing path after %qs) |
| 1178 | -isysroot <dir> Set <dir> to be the system root directory |
| 1179 | |
| 1180 | isystem |
| 1181 | C ObjC C++ ObjC++ Joined Separate MissingArgError(missing path after %qs) |
| 1182 | -isystem <dir> Add <dir> to the start of the system include path |
| 1183 | |
| 1184 | iquote |
| 1185 | C ObjC C++ ObjC++ Joined Separate MissingArgError(missing path after %qs) |
| 1186 | -iquote <dir> Add <dir> to the end of the quote include path |
| 1187 | |
| 1188 | iwithprefix |
| 1189 | C ObjC C++ ObjC++ Joined Separate |
| 1190 | -iwithprefix <dir> Add <dir> to the end of the system include path |
| 1191 | |
| 1192 | iwithprefixbefore |
| 1193 | C ObjC C++ ObjC++ Joined Separate |
| 1194 | -iwithprefixbefore <dir> Add <dir> to the end of the main include path |
| 1195 | |
| 1196 | lang-asm |
| 1197 | C Undocumented RejectDriver |
| 1198 | |
| 1199 | no-integrated-cpp |
| 1200 | Driver |
| 1201 | |
| 1202 | nostdinc |
| 1203 | C ObjC C++ ObjC++ |
| 1204 | Do not search standard system include directories (those specified with -isystem will still be used) |
| 1205 | |
| 1206 | nostdinc++ |
| 1207 | C++ ObjC++ |
| 1208 | Do not search standard system include directories for C++ |
| 1209 | |
| 1210 | o |
| 1211 | C ObjC C++ ObjC++ Joined Separate |
| 1212 | ; Documented in common.opt |
| 1213 | |
| 1214 | pedantic |
| 1215 | C ObjC C++ ObjC++ Alias(Wpedantic) |
| 1216 | ; Documented in common.opt |
| 1217 | |
| 1218 | print-objc-runtime-info |
| 1219 | ObjC ObjC++ |
| 1220 | Generate C header of platform-specific features |
| 1221 | |
| 1222 | remap |
| 1223 | C ObjC C++ ObjC++ |
| 1224 | Remap file names when including files |
| 1225 | |
| 1226 | std=c++98 |
| 1227 | C++ ObjC++ |
| 1228 | Conform to the ISO 1998 C++ standard revised by the 2003 technical corrigendum |
| 1229 | |
| 1230 | std=c++03 |
| 1231 | C++ ObjC++ Alias(std=c++98) |
| 1232 | Conform to the ISO 1998 C++ standard revised by the 2003 technical corrigendum |
| 1233 | |
| 1234 | std=c++11 |
| 1235 | C++ ObjC++ |
| 1236 | Conform to the ISO 2011 C++ standard (experimental and incomplete support) |
| 1237 | |
| 1238 | std=c++0x |
| 1239 | C++ ObjC++ Alias(std=c++11) |
| 1240 | Deprecated in favor of -std=c++11 |
| 1241 | |
| 1242 | std=c++1y |
| 1243 | C++ ObjC++ |
| 1244 | Conform to the ISO 201y(7?) C++ draft standard (experimental and incomplete support) |
| 1245 | |
| 1246 | std=c11 |
| 1247 | C ObjC |
| 1248 | Conform to the ISO 2011 C standard (experimental and incomplete support) |
| 1249 | |
| 1250 | std=c1x |
| 1251 | C ObjC Alias(std=c11) |
| 1252 | Deprecated in favor of -std=c11 |
| 1253 | |
| 1254 | std=c89 |
| 1255 | C ObjC Alias(std=c90) |
| 1256 | Conform to the ISO 1990 C standard |
| 1257 | |
| 1258 | std=c90 |
| 1259 | C ObjC |
| 1260 | Conform to the ISO 1990 C standard |
| 1261 | |
| 1262 | std=c99 |
| 1263 | C ObjC |
| 1264 | Conform to the ISO 1999 C standard |
| 1265 | |
| 1266 | std=c9x |
| 1267 | C ObjC Alias(std=c99) |
| 1268 | Deprecated in favor of -std=c99 |
| 1269 | |
| 1270 | std=gnu++98 |
| 1271 | C++ ObjC++ |
| 1272 | Conform to the ISO 1998 C++ standard revised by the 2003 technical |
| 1273 | corrigendum with GNU extensions |
| 1274 | |
| 1275 | std=gnu++03 |
| 1276 | C++ ObjC++ Alias(std=gnu++98) |
| 1277 | Conform to the ISO 1998 C++ standard revised by the 2003 technical |
| 1278 | corrigendum with GNU extensions |
| 1279 | |
| 1280 | std=gnu++11 |
| 1281 | C++ ObjC++ |
| 1282 | Conform to the ISO 2011 C++ standard with GNU extensions (experimental and incomplete support) |
| 1283 | |
| 1284 | std=gnu++0x |
| 1285 | C++ ObjC++ Alias(std=gnu++11) |
| 1286 | Deprecated in favor of -std=gnu++11 |
| 1287 | |
| 1288 | std=gnu++1y |
| 1289 | C++ ObjC++ |
| 1290 | Conform to the ISO 201y(7?) C++ draft standard with GNU extensions (experimental and incomplete support) |
| 1291 | |
| 1292 | std=gnu11 |
| 1293 | C ObjC |
| 1294 | Conform to the ISO 2011 C standard with GNU extensions (experimental and incomplete support) |
| 1295 | |
| 1296 | std=gnu1x |
| 1297 | C ObjC Alias(std=gnu11) |
| 1298 | Deprecated in favor of -std=gnu11 |
| 1299 | |
| 1300 | std=gnu89 |
| 1301 | C ObjC Alias(std=gnu90) |
| 1302 | Conform to the ISO 1990 C standard with GNU extensions |
| 1303 | |
| 1304 | std=gnu90 |
| 1305 | C ObjC |
| 1306 | Conform to the ISO 1990 C standard with GNU extensions |
| 1307 | |
| 1308 | std=gnu99 |
| 1309 | C ObjC |
| 1310 | Conform to the ISO 1999 C standard with GNU extensions |
| 1311 | |
| 1312 | std=gnu9x |
| 1313 | C ObjC Alias(std=gnu99) |
| 1314 | Deprecated in favor of -std=gnu99 |
| 1315 | |
| 1316 | std=iso9899:1990 |
| 1317 | C ObjC Alias(std=c90) |
| 1318 | Conform to the ISO 1990 C standard |
| 1319 | |
| 1320 | std=iso9899:199409 |
| 1321 | C ObjC |
| 1322 | Conform to the ISO 1990 C standard as amended in 1994 |
| 1323 | |
| 1324 | std=iso9899:1999 |
| 1325 | C ObjC Alias(std=c99) |
| 1326 | Conform to the ISO 1999 C standard |
| 1327 | |
| 1328 | std=iso9899:199x |
| 1329 | C ObjC Alias(std=c99) |
| 1330 | Deprecated in favor of -std=iso9899:1999 |
| 1331 | |
| 1332 | std=iso9899:2011 |
| 1333 | C ObjC Alias(std=c11) |
| 1334 | Conform to the ISO 2011 C standard (experimental and incomplete support) |
| 1335 | |
| 1336 | traditional |
| 1337 | Driver |
| 1338 | |
| 1339 | traditional-cpp |
| 1340 | C ObjC C++ ObjC++ |
| 1341 | Enable traditional preprocessing |
| 1342 | |
| 1343 | trigraphs |
| 1344 | C ObjC C++ ObjC++ |
| 1345 | -trigraphs Support ISO C trigraphs |
| 1346 | |
| 1347 | undef |
| 1348 | C ObjC C++ ObjC++ Var(flag_undef) |
| 1349 | Do not predefine system-specific and GCC-specific macros |
| 1350 | |
| 1351 | v |
| 1352 | C ObjC C++ ObjC++ |
| 1353 | ; Documented in common.opt |
| 1354 | |
| 1355 | w |
| 1356 | C ObjC C++ ObjC++ |
| 1357 | ; Documented in common.opt |
| 1358 | |
| 1359 | ; This comment is to ensure we retain the blank line above. |