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Commit | Line | Data |
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fef3106c | 1 | ; Options for the C, ObjC, C++ and ObjC++ front ends. |
5624e564 | 2 | ; Copyright (C) 2003-2015 Free Software Foundation, Inc. |
fef3106c NB |
3 | ; |
4 | ; This file is part of GCC. | |
5 | ; | |
6 | ; GCC is free software; you can redistribute it and/or modify it under | |
7 | ; the terms of the GNU General Public License as published by the Free | |
9dcd6f09 | 8 | ; Software Foundation; either version 3, or (at your option) any later |
fef3106c | 9 | ; version. |
c22cacf3 | 10 | ; |
fef3106c NB |
11 | ; GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
12 | ; WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
13 | ; FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
14 | ; for more details. | |
c22cacf3 | 15 | ; |
fef3106c | 16 | ; You should have received a copy of the GNU General Public License |
9dcd6f09 NC |
17 | ; along with GCC; see the file COPYING3. If not see |
18 | ; <http://www.gnu.org/licenses/>. | |
fef3106c | 19 | |
8abb6b22 | 20 | ; See the GCC internals manual for a description of this file's format. |
fef3106c | 21 | |
fef3106c NB |
22 | ; Please try to keep this file in ASCII collating order. |
23 | ||
be43ab4e NB |
24 | Language |
25 | C | |
26 | ||
27 | Language | |
28 | ObjC | |
29 | ||
30 | Language | |
31 | C++ | |
32 | ||
33 | Language | |
34 | ObjC++ | |
35 | ||
e200444e JM |
36 | -all-warnings |
37 | C ObjC C++ ObjC++ Warning Alias(Wall) | |
38 | ||
39 | -ansi | |
40 | C ObjC C++ ObjC++ Alias(ansi) | |
41 | ||
42 | -assert | |
43 | C ObjC C++ ObjC++ Separate Alias(A) MissingArgError(assertion missing after %qs) | |
44 | ||
45 | -assert= | |
46 | C ObjC C++ ObjC++ Joined Alias(A) MissingArgError(assertion missing after %qs) | |
47 | ||
48 | -comments | |
49 | C ObjC C++ ObjC++ Alias(C) | |
50 | ||
51 | -comments-in-macros | |
52 | C ObjC C++ ObjC++ Alias(CC) | |
53 | ||
54 | -define-macro | |
55 | C ObjC C++ ObjC++ Separate Alias(D) MissingArgError(macro name missing after %qs) | |
56 | ||
57 | -define-macro= | |
58 | C ObjC C++ ObjC++ Joined Alias(D) MissingArgError(macro name missing after %qs) | |
59 | ||
60 | -dependencies | |
61 | C ObjC C++ ObjC++ Alias(M) | |
62 | ||
63 | -dump | |
64 | C ObjC C++ ObjC++ Separate Alias(d) | |
65 | ||
66 | -dump= | |
67 | C ObjC C++ ObjC++ Joined Alias(d) | |
68 | ||
69 | -imacros | |
70 | C ObjC C++ ObjC++ Separate Alias(imacros) MissingArgError(missing filename after %qs) | |
71 | ||
72 | -imacros= | |
73 | C ObjC C++ ObjC++ Joined Alias(imacros) MissingArgError(missing filename after %qs) | |
74 | ||
75 | -include | |
76 | C ObjC C++ ObjC++ Separate Alias(include) MissingArgError(missing filename after %qs) | |
77 | ||
78 | -include= | |
79 | C ObjC C++ ObjC++ Joined Alias(include) MissingArgError(missing filename after %qs) | |
80 | ||
81 | -include-barrier | |
82 | C ObjC C++ ObjC++ Alias(I, -) | |
83 | ||
84 | -include-directory | |
85 | C ObjC C++ ObjC++ Separate Alias(I) MissingArgError(missing path after %qs) | |
86 | ||
87 | -include-directory= | |
88 | C ObjC C++ ObjC++ Joined Alias(I) MissingArgError(missing path after %qs) | |
89 | ||
90 | -include-directory-after | |
91 | C ObjC C++ ObjC++ Separate Alias(idirafter) MissingArgError(missing path after %qs) | |
92 | ||
93 | -include-directory-after= | |
94 | C ObjC C++ ObjC++ Joined Alias(idirafter) MissingArgError(missing path after %qs) | |
95 | ||
96 | -include-prefix | |
97 | C ObjC C++ ObjC++ Separate Alias(iprefix) | |
98 | ||
99 | -include-prefix= | |
100 | C ObjC C++ ObjC++ JoinedOrMissing Alias(iprefix) | |
101 | ||
102 | -include-with-prefix | |
103 | C ObjC C++ ObjC++ Separate Alias(iwithprefix) | |
104 | ||
105 | -include-with-prefix= | |
106 | C ObjC C++ ObjC++ JoinedOrMissing Alias(iwithprefix) | |
107 | ||
108 | -include-with-prefix-after | |
109 | C ObjC C++ ObjC++ Separate Alias(iwithprefix) | |
110 | ||
111 | -include-with-prefix-after= | |
112 | C ObjC C++ ObjC++ JoinedOrMissing Alias(iwithprefix) | |
113 | ||
114 | -include-with-prefix-before | |
115 | C ObjC C++ ObjC++ Separate Alias(iwithprefixbefore) | |
116 | ||
117 | -include-with-prefix-before= | |
118 | C ObjC C++ ObjC++ JoinedOrMissing Alias(iwithprefixbefore) | |
119 | ||
120 | -no-integrated-cpp | |
121 | Driver Alias(no-integrated-cpp) | |
122 | ||
123 | -no-line-commands | |
124 | C ObjC C++ ObjC++ Alias(P) | |
125 | ||
126 | -no-standard-includes | |
127 | C ObjC C++ ObjC++ Alias(nostdinc) | |
128 | ||
129 | -no-warnings | |
130 | C ObjC C++ ObjC++ Alias(w) | |
131 | ||
132 | -output | |
133 | C ObjC C++ ObjC++ Separate Alias(o) | |
134 | ||
135 | -output= | |
136 | C ObjC C++ ObjC++ Joined Alias(o) | |
137 | ||
fef3106c NB |
138 | -output-pch= |
139 | C ObjC C++ ObjC++ Joined Separate | |
140 | ||
e200444e JM |
141 | -pedantic |
142 | C ObjC C++ ObjC++ Alias(pedantic) | |
143 | ||
e200444e JM |
144 | -preprocess |
145 | C ObjC C++ ObjC++ Undocumented Alias(E) | |
146 | ||
147 | -print-missing-file-dependencies | |
148 | C ObjC C++ ObjC++ Alias(MG) | |
149 | ||
150 | -trace-includes | |
151 | C ObjC C++ ObjC++ Alias(H) | |
152 | ||
153 | -traditional | |
154 | Driver Alias(traditional) | |
155 | ||
156 | -traditional-cpp | |
157 | C ObjC C++ ObjC++ Alias(traditional-cpp) | |
158 | ||
159 | -trigraphs | |
160 | C ObjC C++ ObjC++ Alias(trigraphs) | |
161 | ||
162 | -undefine-macro | |
163 | C ObjC C++ ObjC++ Separate Alias(U) MissingArgError(macro name missing after %qs) | |
164 | ||
165 | -undefine-macro= | |
166 | C ObjC C++ ObjC++ Joined Alias(U) MissingArgError(macro name missing after %qs) | |
167 | ||
168 | -user-dependencies | |
169 | C ObjC C++ ObjC++ Alias(MM) | |
170 | ||
171 | -verbose | |
172 | Common C ObjC C++ ObjC++ Alias(v) | |
173 | ||
174 | -write-dependencies | |
175 | C ObjC C++ ObjC++ NoDriverArg Separate Alias(MD) MissingArgError(missing filename after %qs) | |
176 | ||
177 | -write-user-dependencies | |
178 | C ObjC C++ ObjC++ NoDriverArg Separate Alias(MMD) MissingArgError(missing filename after %qs) | |
179 | ||
fef3106c | 180 | A |
61ff2bdc | 181 | C ObjC C++ ObjC++ Joined Separate MissingArgError(assertion missing after %qs) |
72de27ea | 182 | -A<question>=<answer> Assert the <answer> to <question>. Putting '-' before <question> disables the <answer> to <question> |
fef3106c NB |
183 | |
184 | C | |
185 | C ObjC C++ ObjC++ | |
72de27ea | 186 | Do not discard comments |
fef3106c NB |
187 | |
188 | CC | |
189 | C ObjC C++ ObjC++ | |
72de27ea | 190 | Do not discard comments in macro expansions |
fef3106c NB |
191 | |
192 | D | |
61ff2bdc | 193 | C ObjC C++ ObjC++ Joined Separate MissingArgError(macro name missing after %qs) |
72de27ea | 194 | -D<macro>[=<val>] Define a <macro> with <val> as its value. If just <macro> is given, <val> is taken to be 1 |
fef3106c NB |
195 | |
196 | E | |
5498f011 | 197 | C ObjC C++ ObjC++ Undocumented Var(flag_preprocess_only) |
fef3106c | 198 | |
94d1613b | 199 | F |
bd837408 | 200 | Driver C ObjC C++ ObjC++ Joined Separate MissingArgError(missing path after %qs) |
4e994432 | 201 | -F <dir> Add <dir> to the end of the main framework include path |
94d1613b | 202 | |
fef3106c NB |
203 | H |
204 | C ObjC C++ ObjC++ | |
72de27ea | 205 | Print the name of header files as they are used |
fef3106c NB |
206 | |
207 | I | |
61ff2bdc | 208 | C ObjC C++ ObjC++ Joined Separate MissingArgError(missing path after %qs) |
4bed3787 | 209 | -I <dir> Add <dir> to the end of the main include path |
fef3106c NB |
210 | |
211 | M | |
212 | C ObjC C++ ObjC++ | |
72de27ea | 213 | Generate make dependencies |
fef3106c | 214 | |
c878765b JM |
215 | MD |
216 | C ObjC C++ ObjC++ NoDriverArg Separate MissingArgError(missing filename after %qs) | |
217 | Generate make dependencies and compile | |
fef3106c NB |
218 | |
219 | MF | |
61ff2bdc | 220 | C ObjC C++ ObjC++ Joined Separate MissingArgError(missing filename after %qs) |
72de27ea | 221 | -MF <file> Write dependency output to the given file |
fef3106c NB |
222 | |
223 | MG | |
224 | C ObjC C++ ObjC++ | |
72de27ea | 225 | Treat missing header files as generated files |
fef3106c NB |
226 | |
227 | MM | |
228 | C ObjC C++ ObjC++ | |
72de27ea | 229 | Like -M but ignore system header files |
fef3106c | 230 | |
c878765b JM |
231 | MMD |
232 | C ObjC C++ ObjC++ NoDriverArg Separate MissingArgError(missing filename after %qs) | |
233 | Like -MD but ignore system header files | |
fef3106c NB |
234 | |
235 | MP | |
236 | C ObjC C++ ObjC++ | |
72de27ea | 237 | Generate phony targets for all headers |
fef3106c NB |
238 | |
239 | MQ | |
61ff2bdc | 240 | C ObjC C++ ObjC++ Joined Separate MissingArgError(missing makefile target after %qs) |
72de27ea | 241 | -MQ <target> Add a MAKE-quoted target |
fef3106c NB |
242 | |
243 | MT | |
61ff2bdc | 244 | C ObjC C++ ObjC++ Joined Separate MissingArgError(missing makefile target after %qs) |
72de27ea | 245 | -MT <target> Add an unquoted target |
fef3106c NB |
246 | |
247 | P | |
248 | C ObjC C++ ObjC++ | |
72de27ea | 249 | Do not generate #line directives |
fef3106c NB |
250 | |
251 | U | |
61ff2bdc | 252 | C ObjC C++ ObjC++ Joined Separate MissingArgError(macro name missing after %qs) |
72de27ea | 253 | -U<macro> Undefine <macro> |
fef3106c NB |
254 | |
255 | Wabi | |
d7f09764 | 256 | C ObjC C++ ObjC++ LTO Var(warn_abi) Warning |
7619c085 | 257 | Warn about things that will change when compiling with an ABI-compliant compiler |
fef3106c | 258 | |
62984918 JM |
259 | Wabi= |
260 | C ObjC C++ ObjC++ LTO Joined RejectNegative UInteger Warning | |
261 | Warn about things that change between the current -fabi-version and the specified version | |
262 | ||
7dbb85a7 JM |
263 | Wabi-tag |
264 | C++ ObjC++ Var(warn_abi_tag) Warning | |
265 | Warn if a subobject has an abi_tag attribute that the complete object type does not have | |
266 | ||
bce08d50 | 267 | Wpsabi |
737a4826 | 268 | C ObjC C++ ObjC++ LTO Var(warn_psabi) Init(1) Undocumented LangEnabledBy(C ObjC C++ ObjC++,Wabi) |
bce08d50 | 269 | |
c116cd05 | 270 | Waddress |
4a0ae68e | 271 | C ObjC C++ ObjC++ Var(warn_address) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall) |
c116cd05 MLI |
272 | Warn about suspicious uses of memory addresses |
273 | ||
fef3106c | 274 | Wall |
c662432e | 275 | C ObjC C++ ObjC++ Warning |
5a170a05 | 276 | Enable most warning messages |
fef3106c | 277 | |
34a180a6 MLI |
278 | Warray-bounds |
279 | LangEnabledBy(C ObjC C++ ObjC++,Wall) | |
280 | ; in common.opt | |
281 | ||
de1b5c17 MU |
282 | Warray-bounds= |
283 | LangEnabledBy(C ObjC C++ ObjC++,Wall,1,0) | |
284 | ; in common.opt | |
285 | ||
6e955430 | 286 | Wassign-intercept |
c662432e | 287 | ObjC ObjC++ Var(warn_assign_intercept) Warning |
6e955430 ZL |
288 | Warn whenever an Objective-C assignment is being intercepted by the garbage collector |
289 | ||
fef3106c | 290 | Wbad-function-cast |
c662432e | 291 | C ObjC Var(warn_bad_function_cast) Warning |
5a170a05 | 292 | Warn about casting functions to incompatible types |
fef3106c | 293 | |
04159acf MP |
294 | Wbool-compare |
295 | C ObjC C++ ObjC++ Var(warn_bool_compare) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall) | |
296 | Warn about boolean expression compared with an integer value different from true/false | |
297 | ||
c047ce93 | 298 | Wbuiltin-macro-redefined |
b559c810 | 299 | C ObjC C++ ObjC++ CPP(warn_builtin_macro_redefined) CppReason(CPP_W_BUILTIN_MACRO_REDEFINED) Var(cpp_warn_builtin_macro_redefined) Init(1) Warning |
c047ce93 SB |
300 | Warn when a built-in preprocessor macro is undefined or redefined |
301 | ||
f3bede71 | 302 | Wc90-c99-compat |
b559c810 | 303 | C ObjC CPP(cpp_warn_c90_c99_compat) CppReason(CPP_W_C90_C99_COMPAT) Var(warn_c90_c99_compat) Init(-1) Warning |
f3bede71 MP |
304 | Warn about features not present in ISO C90, but present in ISO C99 |
305 | ||
35aff4fb MP |
306 | Wc99-c11-compat |
307 | C ObjC Var(warn_c99_c11_compat) Init(-1) Warning | |
308 | Warn about features not present in ISO C99, but present in ISO C11 | |
309 | ||
b7e20b53 | 310 | Wc++-compat |
b559c810 | 311 | C ObjC Var(warn_cxx_compat) CPP(warn_cxx_operator_names) CppReason(CPP_W_CXX_OPERATOR_NAMES) Init(0) Warning |
b7e20b53 GDR |
312 | Warn about C constructs that are not in the common subset of C and C++ |
313 | ||
e1f1ee86 | 314 | Wc++0x-compat |
765189ff | 315 | C++ ObjC++ Warning Alias(Wc++11-compat) Undocumented |
97e3ad20 JM |
316 | |
317 | Wc++11-compat | |
765189ff | 318 | C++ ObjC++ Var(warn_cxx11_compat) Warning LangEnabledBy(C++ ObjC++,Wall) Init(0) CPP(cpp_warn_cxx11_compat) CppReason(CPP_W_CXX11_COMPAT) |
97e3ad20 | 319 | Warn about C++ constructs whose meaning differs between ISO C++ 1998 and ISO C++ 2011 |
b7e20b53 | 320 | |
20b06add JM |
321 | Wc++14-compat |
322 | C++ ObjC++ Var(warn_cxx14_compat) Warning LangEnabledBy(C++ ObjC++,Wall) | |
323 | Warn about C++ constructs whose meaning differs between ISO C++ 2011 and ISO C++ 2014 | |
324 | ||
fef3106c | 325 | Wcast-qual |
c662432e | 326 | C ObjC C++ ObjC++ Var(warn_cast_qual) Warning |
5a170a05 | 327 | Warn about casts which discard qualifiers |
fef3106c NB |
328 | |
329 | Wchar-subscripts | |
4a0ae68e | 330 | C ObjC C++ ObjC++ Var(warn_char_subscripts) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall) |
5a170a05 | 331 | Warn about subscripts whose type is \"char\" |
fef3106c | 332 | |
d5e254e1 IE |
333 | Wchkp |
334 | C ObjC C++ ObjC++ Var(warn_chkp) Warning EnabledBy(Wall) | |
335 | Warn about memory access errors found by Pointer Bounds Checker | |
336 | ||
2b001724 | 337 | Wclobbered |
95744782 | 338 | C ObjC C++ ObjC++ Var(warn_clobbered) Warning EnabledBy(Wextra) |
2b001724 MLI |
339 | Warn about variables that might be changed by \"longjmp\" or \"vfork\" |
340 | ||
fef3106c | 341 | Wcomment |
b559c810 | 342 | C ObjC C++ ObjC++ CPP(warn_comments) CppReason(CPP_W_COMMENTS) Var(cpp_warn_comment) Init(0) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall) |
72de27ea | 343 | Warn about possibly nested block comments, and C++ comments spanning more than one physical line |
fef3106c NB |
344 | |
345 | Wcomments | |
5de8299c | 346 | C ObjC C++ ObjC++ Warning Alias(Wcomment) |
72de27ea | 347 | Synonym for -Wcomment |
fef3106c | 348 | |
dfeadaa0 PC |
349 | Wconditionally-supported |
350 | C++ ObjC++ Var(warn_conditionally_supported) Warning | |
351 | Warn for conditionally-supported constructs | |
352 | ||
fef3106c | 353 | Wconversion |
c662432e | 354 | C ObjC C++ ObjC++ Var(warn_conversion) Warning |
05170031 | 355 | Warn for implicit type conversions that may change a value |
fef3106c | 356 | |
17251338 MLI |
357 | Wconversion-null |
358 | C++ ObjC++ Var(warn_conversion_null) Init(1) Warning | |
359 | Warn for converting NULL from/to a non-pointer type | |
360 | ||
b559c810 MLI |
361 | Wcpp |
362 | C ObjC C++ ObjC++ CppReason(CPP_W_WARNING_DIRECTIVE) | |
363 | ; Documented in common.opt | |
364 | ||
fef3106c | 365 | Wctor-dtor-privacy |
c662432e | 366 | C++ ObjC++ Var(warn_ctor_dtor_privacy) Warning |
bae92bf3 | 367 | Warn when all constructors and destructors are private |
fef3106c | 368 | |
b559c810 MLI |
369 | Wdate-time |
370 | C ObjC C++ ObjC++ CPP(warn_date_time) CppReason(CPP_W_DATE_TIME) Var(cpp_warn_date_time) Init(0) Warning | |
371 | Warn about __TIME__, __DATE__ and __TIMESTAMP__ usage | |
372 | ||
85617eba | 373 | Wdeclaration-after-statement |
177cce46 | 374 | C ObjC Var(warn_declaration_after_statement) Init(-1) Warning |
85617eba HPN |
375 | Warn when a declaration is found after a statement |
376 | ||
c9b0866a PC |
377 | Wdelete-incomplete |
378 | C++ ObjC++ Var(warn_delete_incomplete) Init(1) Warning | |
379 | Warn when deleting a pointer to incomplete type | |
380 | ||
014ab419 | 381 | Wdelete-non-virtual-dtor |
27e51192 | 382 | C++ ObjC++ Var(warn_delnonvdtor) Warning LangEnabledBy(C++ ObjC++,Wall || Weffc++) |
014ab419 JW |
383 | Warn about deleting polymorphic objects with non-virtual destructors |
384 | ||
fef3106c | 385 | Wdeprecated |
b559c810 | 386 | C C++ ObjC ObjC++ CPP(cpp_warn_deprecated) CppReason(CPP_W_DEPRECATED) Var(warn_deprecated) Init(1) Warning |
9a0f3e86 | 387 | Warn if a deprecated compiler feature, class, method, or field is used |
fef3106c | 388 | |
976d5a22 TT |
389 | Wdesignated-init |
390 | C ObjC Var(warn_designated_init) Init(1) Warning | |
391 | Warn about positional initialization of structs requiring designated initializers | |
392 | ||
768952be MU |
393 | Wdiscarded-array-qualifiers |
394 | C ObjC Var(warn_discarded_array_qualifiers) Init(1) Warning | |
395 | Warn if qualifiers on arrays which are pointer targets are discarded | |
396 | ||
d00887e8 MP |
397 | Wdiscarded-qualifiers |
398 | C ObjC Var(warn_discarded_qualifiers) Init(1) Warning | |
399 | Warn if type qualifiers on pointers are discarded | |
400 | ||
fef3106c | 401 | Wdiv-by-zero |
2cbac420 | 402 | C ObjC C++ ObjC++ Var(warn_div_by_zero) Init(1) Warning |
5a170a05 | 403 | Warn about compile-time integer division by zero |
fef3106c NB |
404 | |
405 | Weffc++ | |
c662432e | 406 | C++ ObjC++ Var(warn_ecpp) Warning |
bae92bf3 | 407 | Warn about violations of Effective C++ style rules |
fef3106c | 408 | |
b3b433c5 | 409 | Wempty-body |
95744782 | 410 | C ObjC C++ ObjC++ Var(warn_empty_body) Warning EnabledBy(Wextra) |
b3b433c5 MLI |
411 | Warn about an empty body in an if or else statement |
412 | ||
fef3106c | 413 | Wendif-labels |
b559c810 | 414 | C ObjC C++ ObjC++ CPP(warn_endif_labels) CppReason(CPP_W_ENDIF_LABELS) Var(cpp_warn_endif_labels) Init(1) Warning LangEnabledBy(C ObjC C++ ObjC++,Wpedantic) |
72de27ea | 415 | Warn about stray tokens after #elif and #endif |
fef3106c | 416 | |
a3299096 | 417 | Wenum-compare |
27e51192 | 418 | C ObjC C++ ObjC++ Var(warn_enum_compare) Init(-1) Warning LangEnabledBy(C ObjC,Wall || Wc++-compat) |
a3299096 MM |
419 | Warn about comparison of different enum types |
420 | ||
fef3106c NB |
421 | Werror |
422 | C ObjC C++ ObjC++ | |
72de27ea | 423 | ; Documented in common.opt |
fef3106c NB |
424 | |
425 | Werror-implicit-function-declaration | |
5de8299c | 426 | C ObjC RejectNegative Warning Alias(Werror=, implicit-function-declaration) |
dc90f45b | 427 | This switch is deprecated; use -Werror=implicit-function-declaration instead |
fef3106c | 428 | |
49b0aa18 JC |
429 | Wfloat-conversion |
430 | C ObjC C++ ObjC++ Var(warn_float_conversion) LangEnabledBy(C ObjC C++ ObjC++,Wconversion) | |
431 | Warn for implicit type conversions that cause loss of floating point precision | |
432 | ||
fef3106c | 433 | Wfloat-equal |
c662432e | 434 | C ObjC C++ ObjC++ Var(warn_float_equal) Warning |
5a170a05 | 435 | Warn if testing floating point numbers for equality |
fef3106c NB |
436 | |
437 | Wformat | |
7332899a | 438 | C ObjC C++ ObjC++ Warning Alias(Wformat=, 1, 0) |
5a170a05 | 439 | Warn about printf/scanf/strftime/strfmon format string anomalies |
fef3106c | 440 | |
7332899a MLI |
441 | Wformat-contains-nul |
442 | C ObjC C++ ObjC++ Var(warn_format_contains_nul) Warning LangEnabledBy(C ObjC C++ ObjC++,Wformat=, warn_format >= 1, 0) | |
443 | Warn about format strings that contain NUL bytes | |
444 | ||
fef3106c | 445 | Wformat-extra-args |
7332899a | 446 | C ObjC C++ ObjC++ Var(warn_format_extra_args) Warning LangEnabledBy(C ObjC C++ ObjC++,Wformat=, warn_format >= 1, 0) |
5a170a05 | 447 | Warn if passing too many arguments to a function for its format string |
fef3106c NB |
448 | |
449 | Wformat-nonliteral | |
7332899a | 450 | C ObjC C++ ObjC++ Var(warn_format_nonliteral) Warning LangEnabledBy(C ObjC C++ ObjC++,Wformat=, warn_format >= 2, 0) |
5a170a05 | 451 | Warn about format strings that are not literals |
fef3106c NB |
452 | |
453 | Wformat-security | |
7332899a | 454 | C ObjC C++ ObjC++ Var(warn_format_security) Warning LangEnabledBy(C ObjC C++ ObjC++,Wformat=, warn_format >= 2, 0) |
5a170a05 | 455 | Warn about possible security problems with format functions |
fef3106c | 456 | |
cbbd2b1c | 457 | Wformat-signedness |
7631f0e2 | 458 | C ObjC C++ ObjC++ Var(warn_format_signedness) Warning |
cbbd2b1c TB |
459 | Warn about sign differences with format functions |
460 | ||
fef3106c | 461 | Wformat-y2k |
7332899a | 462 | C ObjC C++ ObjC++ Var(warn_format_y2k) Warning LangEnabledBy(C ObjC C++ ObjC++,Wformat=,warn_format >= 2, 0) |
5a170a05 | 463 | Warn about strftime formats yielding 2-digit years |
fef3106c NB |
464 | |
465 | Wformat-zero-length | |
7332899a | 466 | C ObjC C++ ObjC++ Var(warn_format_zero_length) Warning LangEnabledBy(C ObjC C++ ObjC++,Wformat=,warn_format >= 1, 0) |
7619c085 | 467 | Warn about zero-length formats |
fef3106c NB |
468 | |
469 | Wformat= | |
7332899a MLI |
470 | C ObjC C++ ObjC++ Joined RejectNegative UInteger Var(warn_format) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall, 1, 0) |
471 | Warn about printf/scanf/strftime/strfmon format string anomalies | |
fef3106c | 472 | |
5db2e9ca | 473 | Wignored-qualifiers |
95744782 | 474 | C C++ Var(warn_ignored_qualifiers) Warning EnabledBy(Wextra) |
5db2e9ca DK |
475 | Warn whenever type qualifiers are ignored. |
476 | ||
d5c3d343 MP |
477 | Wincompatible-pointer-types |
478 | C ObjC Var(warn_incompatible_pointer_types) Init(1) Warning | |
479 | Warn when there is a conversion between pointers that have incompatible types | |
480 | ||
3390f9c9 | 481 | Winit-self |
0ccb505d | 482 | C ObjC C++ ObjC++ Var(warn_init_self) Warning LangEnabledBy(C++ ObjC++,Wall) |
ab532386 | 483 | Warn about variables which are initialized to themselves |
3390f9c9 | 484 | |
fef3106c | 485 | Wimplicit |
4a0ae68e | 486 | C ObjC Var(warn_implicit) Warning LangEnabledBy(C ObjC,Wall) |
3734d960 | 487 | Warn about implicit declarations |
fef3106c | 488 | |
0a0b3574 MM |
489 | Wdouble-promotion |
490 | C ObjC C++ ObjC++ Var(warn_double_promotion) Warning | |
491 | Warn about implicit conversions from \"float\" to \"double\" | |
492 | ||
fef3106c | 493 | Wimplicit-function-declaration |
4a0ae68e | 494 | C ObjC Var(warn_implicit_function_declaration) Init(-1) Warning LangEnabledBy(C ObjC,Wimplicit) |
5a170a05 | 495 | Warn about implicit function declarations |
fef3106c NB |
496 | |
497 | Wimplicit-int | |
92574c7c | 498 | C ObjC Var(warn_implicit_int) Init(-1) Warning LangEnabledBy(C ObjC,Wimplicit) |
5a170a05 | 499 | Warn when a declaration does not specify a type |
fef3106c NB |
500 | |
501 | Wimport | |
2d2bd949 | 502 | C ObjC C++ ObjC++ Undocumented Ignore |
fef3106c | 503 | |
4514a96b JM |
504 | Winherited-variadic-ctor |
505 | C++ ObjC++ Var(warn_inh_var_ctor) Init(1) Warning | |
506 | Warn about C++11 inheriting constructors when the base has a variadic constructor | |
507 | ||
52ec0ea3 MP |
508 | Wint-conversion |
509 | C ObjC Var(warn_int_conversion) Init(1) Warning | |
510 | Warn about incompatible integer to pointer and pointer to integer conversions | |
511 | ||
53a2494e | 512 | Wint-to-pointer-cast |
dc8d2739 | 513 | C ObjC C++ ObjC++ Var(warn_int_to_pointer_cast) Init(1) Warning |
53a2494e JM |
514 | Warn when there is a cast to a pointer from an integer of a different size |
515 | ||
fef3106c | 516 | Winvalid-offsetof |
c662432e | 517 | C++ ObjC++ Var(warn_invalid_offsetof) Init(1) Warning |
bae92bf3 | 518 | Warn about invalid uses of the \"offsetof\" macro |
fef3106c NB |
519 | |
520 | Winvalid-pch | |
b559c810 | 521 | C ObjC C++ ObjC++ CPP(warn_invalid_pch) CppReason(CPP_W_INVALID_PCH) Var(cpp_warn_invalid_pch) Init(0) Warning |
5a170a05 | 522 | Warn about PCH files that are found but not used |
fef3106c | 523 | |
e1b7793c | 524 | Wjump-misses-init |
f2bc201f | 525 | C ObjC Var(warn_jump_misses_init) Warning LangEnabledby(C ObjC,Wc++-compat) |
e1b7793c ILT |
526 | Warn when a jump misses a variable initialization |
527 | ||
7f5f5f98 | 528 | Wliteral-suffix |
b559c810 | 529 | C++ ObjC++ CPP(warn_literal_suffix) CppReason(CPP_W_LITERAL_SUFFIX) Var(cpp_warn_literal_suffix) Init(1) Warning |
7f5f5f98 OW |
530 | Warn when a string or character literal is followed by a ud-suffix which does not begin with an underscore. |
531 | ||
ca409efd | 532 | Wlogical-op |
7bb27074 | 533 | C ObjC C++ ObjC++ Var(warn_logical_op) Init(0) Warning |
ca409efd MLI |
534 | Warn when a logical operator is suspiciously always evaluating to true or false |
535 | ||
742938c9 | 536 | Wlogical-not-parentheses |
d2e4feca | 537 | C ObjC C++ ObjC++ Var(warn_logical_not_paren) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall) |
742938c9 MP |
538 | Warn when logical not is used on the left hand side operand of a comparison |
539 | ||
fef3106c | 540 | Wlong-long |
b559c810 | 541 | C ObjC C++ ObjC++ CPP(cpp_warn_long_long) CppReason(CPP_W_LONG_LONG) Var(warn_long_long) Init(-1) Warning LangEnabledBy(C ObjC,Wc90-c99-compat) |
5a170a05 | 542 | Do not warn about using \"long long\" when -pedantic |
fef3106c NB |
543 | |
544 | Wmain | |
34a180a6 | 545 | C ObjC C++ ObjC++ Var(warn_main) Init(-1) Warning LangEnabledBy(C ObjC,Wall, 2, 0) |
5a170a05 | 546 | Warn about suspicious declarations of \"main\" |
fef3106c | 547 | |
34a180a6 MLI |
548 | Wmain |
549 | LangEnabledBy(C ObjC C++ ObjC++,Wpedantic, 2, 0) | |
550 | ; | |
551 | ||
b108f48f JJ |
552 | Wmemset-transposed-args |
553 | C ObjC C++ ObjC++ Var(warn_memset_transposed_args) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall) | |
554 | Warn about suspicious calls to memset where the third argument is constant literal zero and the second is not | |
555 | ||
fef3106c | 556 | Wmissing-braces |
4f7f7aca | 557 | C ObjC C++ ObjC++ Var(warn_missing_braces) Warning LangEnabledBy(C ObjC,Wall) |
5a170a05 | 558 | Warn about possibly missing braces around initializers |
fef3106c NB |
559 | |
560 | Wmissing-declarations | |
c662432e | 561 | C ObjC C++ ObjC++ Var(warn_missing_declarations) Warning |
5a170a05 | 562 | Warn about global functions without previous declarations |
fef3106c | 563 | |
eaac4679 | 564 | Wmissing-field-initializers |
95744782 | 565 | C ObjC C++ ObjC++ Var(warn_missing_field_initializers) Warning EnabledBy(Wextra) |
eaac4679 RS |
566 | Warn about missing fields in struct initializers |
567 | ||
20b06add JM |
568 | Wsized-deallocation |
569 | C++ ObjC++ Var(warn_sized_deallocation) Warning EnabledBy(Wextra) | |
570 | Warn about missing sized deallocation functions | |
571 | ||
1a4049e7 | 572 | Wsizeof-pointer-memaccess |
4a0ae68e | 573 | C ObjC C++ ObjC++ Var(warn_sizeof_pointer_memaccess) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall) |
6577374e | 574 | Warn about suspicious length parameters to certain string functions if the argument uses sizeof |
1a4049e7 | 575 | |
773ec47f MP |
576 | Wsizeof-array-argument |
577 | C ObjC C++ ObjC++ Var(warn_sizeof_array_argument) Warning Init(1) | |
578 | Warn when sizeof is applied on a parameter declared as an array | |
579 | ||
90137d8f MLI |
580 | Wsuggest-attribute=format |
581 | C ObjC C++ ObjC++ Var(warn_suggest_attribute_format) Warning | |
5a170a05 | 582 | Warn about functions which might be candidates for format attributes |
fef3106c | 583 | |
2f42e5de TS |
584 | Wsuggest-override |
585 | C++ ObjC++ Var(warn_override) Warning | |
586 | Suggest that the override keyword be used when the declaration of a virtual | |
587 | function overrides another. | |
588 | ||
34a180a6 MLI |
589 | Wswitch |
590 | C ObjC C++ ObjC++ Var(warn_switch) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall) | |
591 | Warn about enumerated switches, with no default, missing a case | |
592 | ||
593 | Wswitch-default | |
594 | C ObjC C++ ObjC++ Var(warn_switch_default) Warning | |
595 | Warn about enumerated switches missing a \"default:\" statement | |
596 | ||
597 | Wswitch-enum | |
598 | C ObjC C++ ObjC++ Var(warn_switch_enum) Warning | |
599 | Warn about all enumerated switches missing a specific case | |
600 | ||
fedfecef | 601 | Wswitch-bool |
5c3d09f7 | 602 | C ObjC C++ ObjC++ Var(warn_switch_bool) Warning Init(1) |
fedfecef MP |
603 | Warn about switches with boolean controlling expression |
604 | ||
90137d8f MLI |
605 | Wmissing-format-attribute |
606 | C ObjC C++ ObjC++ Alias(Wsuggest-attribute=format) | |
607 | ; | |
608 | ||
b02398bd | 609 | Wmissing-include-dirs |
b559c810 | 610 | C ObjC C++ ObjC++ CPP(warn_missing_include_dirs) CppReason(CPP_W_MISSING_INCLUDE_DIRS) Var(cpp_warn_missing_include_dirs) Init(0) Warning |
b02398bd BE |
611 | Warn about user-specified include directories that do not exist |
612 | ||
cb4af25a | 613 | Wmissing-parameter-type |
95744782 | 614 | C ObjC Var(warn_missing_parameter_type) Warning EnabledBy(Wextra) |
cb4af25a MLI |
615 | Warn about function parameters declared without a type specifier in K&R-style functions |
616 | ||
fef3106c | 617 | Wmissing-prototypes |
c662432e | 618 | C ObjC Var(warn_missing_prototypes) Warning |
5a170a05 | 619 | Warn about global functions without prototypes |
fef3106c | 620 | |
5720c0dc | 621 | Wmudflap |
98906124 | 622 | C ObjC C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
5720c0dc | 623 | |
fef3106c | 624 | Wmultichar |
b559c810 | 625 | C ObjC C++ ObjC++ CPP(warn_multichar) CppReason(CPP_W_MULTICHAR) Var(cpp_warn_multichar) Init(0) Warning |
5a170a05 | 626 | Warn about use of multi-character character constants |
fef3106c | 627 | |
76f86d00 | 628 | Wnarrowing |
765189ff | 629 | C ObjC C++ ObjC++ Warning Var(warn_narrowing) Init(-1) LangEnabledBy(C++ ObjC++,Wall || Wc++11-compat) |
25339f10 | 630 | Warn about narrowing conversions within { } that are ill-formed in C++11 |
76f86d00 | 631 | |
fef3106c | 632 | Wnested-externs |
c662432e | 633 | C ObjC Var(warn_nested_externs) Warning |
5a170a05 | 634 | Warn about \"extern\" declarations not at file scope |
fef3106c | 635 | |
59f9c2ed JM |
636 | Wnoexcept |
637 | C++ ObjC++ Var(warn_noexcept) Warning | |
3c820dcd | 638 | Warn when a noexcept expression evaluates to false even though the expression can't actually throw |
59f9c2ed | 639 | |
fef3106c | 640 | Wnon-template-friend |
c662432e | 641 | C++ ObjC++ Var(warn_nontemplate_friend) Init(1) Warning |
bae92bf3 | 642 | Warn when non-templatized friend functions are declared within a template |
fef3106c NB |
643 | |
644 | Wnon-virtual-dtor | |
880a467b | 645 | C++ ObjC++ Var(warn_nonvdtor) Warning LangEnabledBy(C++ ObjC++,Weffc++) |
bae92bf3 | 646 | Warn about non-virtual destructors |
fef3106c NB |
647 | |
648 | Wnonnull | |
7332899a | 649 | C ObjC C++ ObjC++ Var(warn_nonnull) Warning LangEnabledBy(C ObjC C++ ObjC++,Wformat=,warn_format >= 1,0) |
7619c085 | 650 | Warn about NULL being passed to argument slots marked as requiring non-NULL |
fef3106c | 651 | |
7332899a MLI |
652 | Wnonnull |
653 | C ObjC C++ ObjC++ LangEnabledBy(C ObjC C++ ObjC++,Wall) | |
654 | ; | |
655 | ||
1ef33fd4 MLI |
656 | Wnormalized |
657 | C ObjC C++ ObjC++ Alias(Wnormalized=,nfc,none) | |
658 | ; | |
659 | ||
50668cf6 | 660 | Wnormalized= |
b559c810 | 661 | C ObjC C++ ObjC++ RejectNegative Joined Warning CPP(warn_normalize) CppReason(CPP_W_NORMALIZE) Init(normalized_C) Var(cpp_warn_normalize) Enum(cpp_normalize_level) |
1ef33fd4 MLI |
662 | -Wnormalized=<none|id|nfc|nfkc> Warn about non-normalised Unicode strings |
663 | ||
664 | ; Required for these enum values. | |
665 | SourceInclude | |
666 | cpplib.h | |
667 | ||
668 | Enum | |
669 | Name(cpp_normalize_level) Type(int) UnknownError(argument %qs to %<-Wnormalized%> not recognized) | |
670 | ||
671 | EnumValue | |
672 | Enum(cpp_normalize_level) String(none) Value(normalized_none) | |
673 | ||
674 | EnumValue | |
675 | Enum(cpp_normalize_level) String(nfkc) Value(normalized_KC) | |
676 | ||
677 | EnumValue | |
678 | Enum(cpp_normalize_level) String(id) Value(normalized_identifier_C) | |
679 | ||
680 | EnumValue | |
681 | Enum(cpp_normalize_level) String(nfc) Value(normalized_C) | |
50668cf6 | 682 | |
fef3106c | 683 | Wold-style-cast |
c662432e | 684 | C++ ObjC++ Var(warn_old_style_cast) Warning |
bae92bf3 | 685 | Warn if a C-style cast is used in a program |
fef3106c | 686 | |
b1ed4cb4 | 687 | Wold-style-declaration |
95744782 | 688 | C ObjC Var(warn_old_style_declaration) Warning EnabledBy(Wextra) |
b1ed4cb4 MLI |
689 | Warn for obsolescent usage in a declaration |
690 | ||
c034f121 | 691 | Wold-style-definition |
c662432e | 692 | C ObjC Var(warn_old_style_definition) Warning |
c034f121 AJ |
693 | Warn if an old-style parameter definition is used |
694 | ||
8b5e1202 SO |
695 | Wopenmp-simd |
696 | C C++ Var(warn_openmp_simd) Warning LangEnabledBy(C C++,Wall) | |
697 | Warn if a simd directive is overridden by the vectorizer cost model | |
698 | ||
89a42ac8 | 699 | Woverlength-strings |
34a180a6 | 700 | C ObjC C++ ObjC++ Var(warn_overlength_strings) Warning LangEnabledBy(C ObjC C++ ObjC++,Wpedantic) |
89a42ac8 ZW |
701 | Warn if a string is longer than the maximum portable length specified by the standard |
702 | ||
fef3106c | 703 | Woverloaded-virtual |
c662432e | 704 | C++ ObjC++ Var(warn_overloaded_virtual) Warning |
bae92bf3 | 705 | Warn about overloaded virtual function names |
fef3106c | 706 | |
7ed322d7 | 707 | Woverride-init |
95744782 | 708 | C ObjC Var(warn_override_init) Warning EnabledBy(Wextra) |
7ed322d7 JM |
709 | Warn about overriding initializers without side effects |
710 | ||
755e528f MP |
711 | Woverride-init-side-effects |
712 | C ObjC Var(warn_override_init_side_effects) Init(1) Warning | |
713 | Warn about overriding initializers with side effects | |
714 | ||
2cd36c22 | 715 | Wpacked-bitfield-compat |
bee6fa6d | 716 | C ObjC C++ ObjC++ Var(warn_packed_bitfield_compat) Init(-1) Warning |
2cd36c22 AN |
717 | Warn about packed bit-fields whose offset changed in GCC 4.4 |
718 | ||
fef3106c | 719 | Wparentheses |
4a0ae68e | 720 | C ObjC C++ ObjC++ Var(warn_parentheses) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall) |
5a170a05 | 721 | Warn about possibly missing parentheses |
fef3106c | 722 | |
c1771a20 | 723 | Wpedantic |
b559c810 | 724 | C ObjC C++ ObjC++ CPP(cpp_pedantic) CppReason(CPP_W_PEDANTIC) Warning |
c1771a20 MLI |
725 | ; Documented in common.opt |
726 | ||
fef3106c | 727 | Wpmf-conversions |
c662432e | 728 | C++ ObjC++ Var(warn_pmf2ptr) Init(1) Warning |
bae92bf3 | 729 | Warn when converting the type of pointers to member functions |
fef3106c NB |
730 | |
731 | Wpointer-arith | |
44d90fe1 | 732 | C ObjC C++ ObjC++ Var(warn_pointer_arith) Warning LangEnabledBy(C ObjC C++ ObjC++,Wpedantic) |
5a170a05 | 733 | Warn about function pointer arithmetic |
fef3106c | 734 | |
4a0ae68e | 735 | Wpointer-sign |
27e51192 | 736 | C ObjC Var(warn_pointer_sign) Warning LangEnabledBy(C ObjC,Wall || Wpedantic) |
4a0ae68e MLI |
737 | Warn when a pointer differs in signedness in an assignment |
738 | ||
53a2494e | 739 | Wpointer-to-int-cast |
c662432e | 740 | C ObjC Var(warn_pointer_to_int_cast) Init(1) Warning |
53a2494e JM |
741 | Warn when a pointer is cast to an integer of a different size |
742 | ||
b9b8dde3 | 743 | Wpragmas |
c662432e | 744 | C ObjC C++ ObjC++ Var(warn_pragmas) Init(1) Warning |
b9b8dde3 DD |
745 | Warn about misuses of pragmas |
746 | ||
9a179d01 NP |
747 | Wproperty-assign-default |
748 | ObjC ObjC++ Var(warn_property_assign_default) Init(1) Warning | |
749 | Warn if a property for an Objective-C object has no assign semantics specified | |
750 | ||
fef3106c | 751 | Wprotocol |
c662432e | 752 | ObjC ObjC++ Var(warn_protocol) Init(1) Warning |
f2ac9964 | 753 | Warn if inherited methods are unimplemented |
fef3106c NB |
754 | |
755 | Wredundant-decls | |
c662432e | 756 | C ObjC C++ ObjC++ Var(warn_redundant_decls) Warning |
5a170a05 | 757 | Warn about multiple declarations of the same object |
fef3106c NB |
758 | |
759 | Wreorder | |
f2bc201f | 760 | C++ ObjC++ Var(warn_reorder) Warning LangEnabledBy(C++ ObjC++,Wall) |
bae92bf3 | 761 | Warn when the compiler reorders code |
fef3106c NB |
762 | |
763 | Wreturn-type | |
4a0ae68e | 764 | C ObjC C++ ObjC++ Var(warn_return_type) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall) |
bae92bf3 | 765 | Warn whenever a function's return type defaults to \"int\" (C), or about inconsistent return types (C++) |
fef3106c NB |
766 | |
767 | Wselector | |
c662432e | 768 | ObjC ObjC++ Var(warn_selector) Warning |
f2ac9964 | 769 | Warn if a selector has multiple methods |
fef3106c | 770 | |
13c21655 PC |
771 | Wsequence-point |
772 | C ObjC C++ ObjC++ Var(warn_sequence_point) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall) | |
773 | Warn about possible violations of sequence point rules | |
774 | ||
dcaaa5a0 | 775 | Wshadow-ivar |
dff8943f | 776 | ObjC ObjC++ Var(warn_shadow_ivar) EnabledBy(Wshadow) Init(1) Warning |
dcaaa5a0 DP |
777 | Warn if a local declaration hides an instance variable |
778 | ||
13c21655 PC |
779 | Wshift-count-negative |
780 | C ObjC C++ ObjC++ Var(warn_shift_count_negative) Init(1) Warning | |
781 | Warn if shift count is negative | |
782 | ||
783 | Wshift-count-overflow | |
784 | C ObjC C++ ObjC++ Var(warn_shift_count_overflow) Init(1) Warning | |
785 | Warn if shift count >= width of type | |
fef3106c | 786 | |
0173bd2a MP |
787 | Wshift-negative-value |
788 | C ObjC C++ ObjC++ Var(warn_shift_negative_value) Init(-1) Warning | |
789 | Warn if left shifting a negative value | |
790 | ||
fef3106c | 791 | Wsign-compare |
4a0ae68e | 792 | C ObjC C++ ObjC++ Var(warn_sign_compare) Warning LangEnabledBy(C++ ObjC++,Wall) |
5a170a05 | 793 | Warn about signed-unsigned comparisons |
fef3106c | 794 | |
4a0ae68e MLI |
795 | Wsign-compare |
796 | C ObjC C++ ObjC++ EnabledBy(Wextra) | |
797 | ; | |
798 | ||
799 | Wsign-conversion | |
800 | C ObjC C++ ObjC++ Var(warn_sign_conversion) LangEnabledBy(C ObjC,Wconversion) | |
801 | Warn for implicit type conversions between signed and unsigned integers | |
802 | ||
fef3106c | 803 | Wsign-promo |
c662432e | 804 | C++ ObjC++ Var(warn_sign_promo) Warning |
bae92bf3 | 805 | Warn when overload promotes from unsigned to signed |
fef3106c | 806 | |
b2f97e4a | 807 | Wstrict-null-sentinel |
5498f011 | 808 | C++ ObjC++ Warning Var(warn_strict_null_sentinel) |
b2f97e4a MM |
809 | Warn about uncasted NULL used as sentinel |
810 | ||
fef3106c | 811 | Wstrict-prototypes |
c662432e | 812 | C ObjC Var(warn_strict_prototypes) Warning |
5a170a05 | 813 | Warn about unprototyped function declarations |
fef3106c | 814 | |
65d4f2cd MLI |
815 | Wstrict-aliasing= |
816 | C ObjC C++ ObjC++ LangEnabledBy(C ObjC C++ ObjC++,Wall, 3, 0) | |
817 | ; | |
818 | ||
819 | Wstrict-overflow= | |
820 | C ObjC C++ ObjC++ LangEnabledBy(C ObjC C++ ObjC++,Wall, 1, 0) | |
821 | ; | |
822 | ||
6e955430 | 823 | Wstrict-selector-match |
c662432e | 824 | ObjC ObjC++ Var(warn_strict_selector_match) Warning |
6e955430 ZL |
825 | Warn if type signatures of candidate methods do not match exactly |
826 | ||
23462d4d UB |
827 | Wsync-nand |
828 | C C++ Var(warn_sync_nand) Init(1) Warning | |
829 | Warn when __sync_fetch_and_nand and __sync_nand_and_fetch built-in functions are used | |
830 | ||
fef3106c | 831 | Wsynth |
c662432e | 832 | C++ ObjC++ Var(warn_synth) Warning |
802e3f8c | 833 | Deprecated. This switch has no effect |
fef3106c NB |
834 | |
835 | Wsystem-headers | |
c662432e | 836 | C ObjC C++ ObjC++ Warning |
9a0f3e86 | 837 | ; Documented in common.opt |
fef3106c | 838 | |
8243e2a9 JM |
839 | Wterminate |
840 | C++ ObjC++ Warning Var(warn_terminate) Init(1) | |
841 | Warn if a throw expression will always result in a call to terminate() | |
842 | ||
fef3106c | 843 | Wtraditional |
b559c810 | 844 | C ObjC CPP(cpp_warn_traditional) CppReason(CPP_W_TRADITIONAL) Var(warn_traditional) Init(0) Warning |
72de27ea | 845 | Warn about features not present in traditional C |
fef3106c | 846 | |
05170031 | 847 | Wtraditional-conversion |
c662432e | 848 | C ObjC Var(warn_traditional_conversion) Warning |
05170031 MLI |
849 | Warn of prototypes causing type conversions different from what would happen in the absence of prototype |
850 | ||
fef3106c | 851 | Wtrigraphs |
b559c810 | 852 | C ObjC C++ ObjC++ CPP(warn_trigraphs) CppReason(CPP_W_TRIGRAPHS) Var(cpp_warn_trigraphs) Init(2) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall) |
72de27ea | 853 | Warn if trigraphs are encountered that might affect the meaning of the program |
fef3106c NB |
854 | |
855 | Wundeclared-selector | |
c662432e | 856 | ObjC ObjC++ Var(warn_undeclared_selector) Warning |
7619c085 | 857 | Warn about @selector()s without previously declared methods |
fef3106c NB |
858 | |
859 | Wundef | |
b559c810 | 860 | C ObjC C++ ObjC++ CPP(warn_undef) CppReason(CPP_W_UNDEF) Var(cpp_warn_undef) Init(0) Warning |
72de27ea | 861 | Warn if an undefined macro is used in an #if directive |
fef3106c | 862 | |
4a0ae68e MLI |
863 | Wuninitialized |
864 | C ObjC C++ ObjC++ LangEnabledBy(C ObjC C++ ObjC++,Wall) | |
865 | ; | |
866 | ||
867 | Wmaybe-uninitialized | |
868 | C ObjC C++ ObjC++ LangEnabledBy(C ObjC C++ ObjC++,Wall) | |
869 | ; | |
870 | ||
fef3106c | 871 | Wunknown-pragmas |
34a180a6 | 872 | C ObjC C++ ObjC++ Warning Var(warn_unknown_pragmas) LangEnabledBy(C ObjC C++ ObjC++,Wall, 1, 0) |
5a170a05 | 873 | Warn about unrecognized pragmas |
fef3106c | 874 | |
6ec637a4 JJ |
875 | Wunsuffixed-float-constants |
876 | C ObjC Var(warn_unsuffixed_float_constants) Warning | |
877 | Warn about unsuffixed float constants | |
878 | ||
4a0ae68e MLI |
879 | Wunused |
880 | C ObjC C++ ObjC++ LangEnabledBy(C ObjC C++ ObjC++,Wall) | |
881 | ; documented in common.opt | |
882 | ||
3797cb21 | 883 | Wunused-local-typedefs |
650dc14a | 884 | C ObjC C++ ObjC++ Var(warn_unused_local_typedefs) Warning EnabledBy(Wunused) |
93286335 | 885 | Warn when typedefs locally defined in a function are not used |
3797cb21 | 886 | |
fef3106c | 887 | Wunused-macros |
b559c810 | 888 | C ObjC C++ ObjC++ CppReason(CPP_W_UNUSED_MACROS) Var(cpp_warn_unused_macros) Warning |
72de27ea | 889 | Warn about macros defined in the main file that are not used |
fef3106c | 890 | |
156f545a MLI |
891 | Wunused-result |
892 | C ObjC C++ ObjC++ Var(warn_unused_result) Init(1) Warning | |
893 | Warn if a caller of a function, marked with attribute warn_unused_result, does not use its return value | |
894 | ||
e5b79219 | 895 | Wvariadic-macros |
27e51192 | 896 | C ObjC C++ ObjC++ CPP(warn_variadic_macros) CppReason(CPP_W_VARIADIC_MACROS) Var(cpp_warn_variadic_macros) Init(0) Warning LangEnabledBy(C ObjC C++ ObjC++,Wpedantic || Wtraditional) |
34a180a6 | 897 | Warn about using variadic macros |
e5b79219 | 898 | |
b9c8da34 DS |
899 | Wvarargs |
900 | C ObjC C++ ObjC++ Warning Var(warn_varargs) Init(1) | |
901 | Warn about questionable usage of the macros used to retrieve variable arguments | |
902 | ||
50d50fc7 SP |
903 | Wvla |
904 | C ObjC C++ ObjC++ Var(warn_vla) Init(-1) Warning | |
905 | Warn if a variable length array is used | |
906 | ||
16302daf | 907 | Wvolatile-register-var |
4a0ae68e | 908 | C ObjC C++ ObjC++ Var(warn_volatile_register_var) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall) |
16302daf MLI |
909 | Warn when a register variable is declared volatile |
910 | ||
f14edc1a JM |
911 | Wvirtual-move-assign |
912 | C++ ObjC++ Var(warn_virtual_move_assign) Warning Init(1) | |
913 | Warn if a virtual base has a non-trivial move assignment operator | |
914 | ||
fef3106c | 915 | Wwrite-strings |
c662432e | 916 | C ObjC C++ ObjC++ Var(warn_write_strings) Warning |
d8a07487 | 917 | 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 | 918 | |
89401152 PC |
919 | Wzero-as-null-pointer-constant |
920 | C++ ObjC++ Var(warn_zero_as_null_pointer_constant) Warning | |
921 | Warn when a literal '0' is used as null pointer | |
922 | ||
04398fa8 PC |
923 | Wuseless-cast |
924 | C++ ObjC++ Var(warn_useless_cast) Warning | |
925 | Warn about useless casts | |
926 | ||
fef3106c NB |
927 | ansi |
928 | C ObjC C++ ObjC++ | |
c85ce869 | 929 | A synonym for -std=c89 (for C) or -std=c++98 (for C++) |
fef3106c NB |
930 | |
931 | d | |
932 | C ObjC C++ ObjC++ Joined | |
72de27ea | 933 | ; Documented in common.opt. FIXME - what about -dI, -dD, -dN and -dD? |
fef3106c | 934 | |
62984918 JM |
935 | fabi-compat-version= |
936 | C++ ObjC++ Joined RejectNegative UInteger Var(flag_abi_compat_version) Init(-1) | |
937 | The version of the C++ ABI used for -Wabi warnings and link compatibility aliases | |
938 | ||
fef3106c | 939 | faccess-control |
5498f011 | 940 | C++ ObjC++ Var(flag_access_control) Init(1) |
bae92bf3 | 941 | Enforce class member access control semantics |
fef3106c | 942 | |
da5182be TQ |
943 | fada-spec-parent= |
944 | C ObjC C++ ObjC++ RejectNegative Joined Var(ada_specs_parent) | |
945 | -fada-spec-parent=unit Dump Ada specs as child units of given parent | |
946 | ||
fef3106c | 947 | fall-virtual |
2d2bd949 | 948 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
fef3106c | 949 | |
6637388f TG |
950 | fallow-parameterless-variadic-functions |
951 | C ObjC Var(flag_allow_parameterless_variadic_functions) | |
952 | Allow variadic functions without named parameter | |
953 | ||
fef3106c | 954 | falt-external-templates |
2d2bd949 | 955 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
d1779886 | 956 | No longer supported |
fef3106c NB |
957 | |
958 | fasm | |
5498f011 | 959 | C ObjC C++ ObjC++ Var(flag_no_asm, 0) |
5a170a05 | 960 | Recognize the \"asm\" keyword |
fef3106c | 961 | |
10e48e39 RO |
962 | ; Define extra predefined macros for use in libgcc. |
963 | fbuilding-libgcc | |
964 | C ObjC C++ ObjC++ Undocumented Var(flag_building_libgcc) | |
965 | ||
fef3106c | 966 | fbuiltin |
5498f011 | 967 | C ObjC C++ ObjC++ Var(flag_no_builtin, 0) |
5a170a05 | 968 | Recognize built-in functions |
fef3106c NB |
969 | |
970 | fbuiltin- | |
971 | C ObjC C++ ObjC++ Joined | |
972 | ||
5dc99c46 SB |
973 | fcanonical-system-headers |
974 | C ObjC C++ ObjC++ | |
975 | Where shorter, use canonicalized paths to systems headers. | |
976 | ||
d5e254e1 | 977 | fcheck-pointer-bounds |
79d64904 | 978 | C ObjC C++ ObjC++ LTO Report Var(flag_check_pointer_bounds) |
d5e254e1 IE |
979 | Add Pointer Bounds Checker instrumentation. fchkp-* flags are used to |
980 | control instrumentation. Currently available for C, C++ and ObjC. | |
981 | ||
982 | fchkp-check-incomplete-type | |
79d64904 | 983 | C ObjC C++ ObjC++ LTO Report Var(flag_chkp_incomplete_type) Init(1) |
d5e254e1 IE |
984 | Generate pointer bounds checks for variables with incomplete type |
985 | ||
986 | fchkp-zero-input-bounds-for-main | |
79d64904 | 987 | C ObjC C++ ObjC++ LTO Report Var(flag_chkp_zero_input_bounds_for_main) Init(0) |
d5e254e1 IE |
988 | Use zero bounds for all incoming arguments in 'main' function. It helps when |
989 | instrumented binaries are used with legacy libs. | |
990 | ||
991 | fchkp-first-field-has-own-bounds | |
79d64904 | 992 | C ObjC C++ ObjC++ LTO RejectNegative Report Var(flag_chkp_first_field_has_own_bounds) |
d5e254e1 IE |
993 | Forces Pointer Bounds Checker to use narrowed bounds for address of the first |
994 | field in the structure. By default pointer to the first field has the same | |
995 | bounds as pointer to the whole structure. | |
996 | ||
997 | fchkp-narrow-bounds | |
79d64904 | 998 | C ObjC C++ ObjC++ LTO Report Var(flag_chkp_narrow_bounds) Init(1) |
d5e254e1 IE |
999 | Control how Pointer Bounds Checker handle pointers to object fields. When |
1000 | narrowing is on, field bounds are used. Otherwise full object bounds are used. | |
1001 | ||
1002 | fchkp-narrow-to-innermost-array | |
79d64904 | 1003 | C ObjC C++ ObjC++ LTO RejectNegative Report Var(flag_chkp_narrow_to_innermost_arrray) |
d5e254e1 IE |
1004 | Forces Pointer Bounds Checker to use bounds of the innermost arrays in case of |
1005 | nested static arryas access. By default outermost array is used. | |
1006 | ||
1007 | fchkp-optimize | |
1008 | C ObjC C++ ObjC++ LTO Report Var(flag_chkp_optimize) Init(-1) | |
1009 | Allow Pointer Bounds Checker optimizations. By default allowed | |
1010 | on optimization levels >0. | |
1011 | ||
1012 | fchkp-use-fast-string-functions | |
1013 | C ObjC C++ ObjC++ LTO Report Var(flag_chkp_use_fast_string_functions) Init(0) | |
1014 | Allow to use *_nobnd versions of string functions by Pointer Bounds Checker. | |
1015 | ||
1016 | fchkp-use-nochk-string-functions | |
1017 | C ObjC C++ ObjC++ LTO Report Var(flag_chkp_use_nochk_string_functions) Init(0) | |
1018 | Allow to use *_nochk versions of string functions by Pointer Bounds Checker. | |
1019 | ||
1020 | fchkp-use-static-bounds | |
79d64904 | 1021 | C ObjC C++ ObjC++ LTO Report Var(flag_chkp_use_static_bounds) Init(1) |
d5e254e1 IE |
1022 | Use statically initialized variable for vars bounds instead of |
1023 | generating them each time it is required. | |
1024 | ||
1025 | fchkp-use-static-const-bounds | |
79d64904 | 1026 | C ObjC C++ ObjC++ LTO Report Var(flag_chkp_use_static_const_bounds) Init(-1) |
d5e254e1 IE |
1027 | Use statically initialized variable for constant bounds instead of |
1028 | generating them each time it is required. | |
1029 | ||
1030 | fchkp-treat-zero-dynamic-size-as-infinite | |
79d64904 | 1031 | C ObjC C++ ObjC++ LTO Report Var(flag_chkp_zero_dynamic_size_as_infinite) Init(0) |
d5e254e1 IE |
1032 | With this option zero size obtained dynamically for objects with |
1033 | incomplete type will be treated as infinite. | |
1034 | ||
1035 | fchkp-check-read | |
1036 | C ObjC C++ ObjC++ LTO Report Var(flag_chkp_check_read) Init(1) | |
1037 | Generate checks for all read accesses to memory. | |
1038 | ||
1039 | fchkp-check-write | |
1040 | C ObjC C++ ObjC++ LTO Report Var(flag_chkp_check_write) Init(1) | |
1041 | Generate checks for all write accesses to memory. | |
1042 | ||
1043 | fchkp-store-bounds | |
1044 | C ObjC C++ ObjC++ LTO Report Var(flag_chkp_store_bounds) Init(1) | |
1045 | Generate bounds stores for pointer writes. | |
1046 | ||
1047 | fchkp-instrument-calls | |
1048 | C ObjC C++ ObjC++ LTO Report Var(flag_chkp_instrument_calls) Init(1) | |
1049 | Generate bounds passing for calls. | |
1050 | ||
1051 | fchkp-instrument-marked-only | |
1052 | C ObjC C++ ObjC++ LTO Report Var(flag_chkp_instrument_marked_only) Init(0) | |
1053 | Instrument only functions marked with bnd_instrument attribute. | |
1054 | ||
226d62d2 IE |
1055 | fchkp-use-wrappers |
1056 | C ObjC C++ ObjC++ LTO Report Var(flag_chkp_use_wrappers) Init(1) | |
1057 | Transform instrumented builtin calls into calls to wrappers. | |
1058 | ||
5373cd33 IE |
1059 | static-libmpx |
1060 | Driver | |
1061 | ||
d2d7e672 IE |
1062 | static-libmpxwrappers |
1063 | Driver | |
1064 | ||
36536d79 | 1065 | fcilkplus |
b72271b9 | 1066 | C ObjC C++ ObjC++ LTO Report Var(flag_cilkplus) Init(0) |
36536d79 BI |
1067 | Enable Cilk Plus |
1068 | ||
fef3106c NB |
1069 | fcond-mismatch |
1070 | C ObjC C++ ObjC++ | |
5a170a05 | 1071 | Allow the arguments of the '?' operator to have different types |
fef3106c NB |
1072 | |
1073 | fconserve-space | |
5498f011 | 1074 | C++ ObjC++ Var(flag_conserve_space) |
6f07a821 | 1075 | Does nothing. Preserved for backward compatibility. |
fef3106c | 1076 | |
fef3106c | 1077 | fconstant-string-class= |
61ff2bdc | 1078 | ObjC ObjC++ Joined MissingArgError(no class name specified with %qs) |
f2ac9964 | 1079 | -fconst-string-class=<name> Use class <name> for constant strings |
fef3106c | 1080 | |
17bc631c | 1081 | fconstexpr-depth= |
49a000c3 JM |
1082 | C++ ObjC++ Joined RejectNegative UInteger Var(max_constexpr_depth) Init(512) |
1083 | -fconstexpr-depth=<number> Specify maximum constexpr recursion depth | |
17bc631c | 1084 | |
847e697a TT |
1085 | fdebug-cpp |
1086 | C ObjC C++ ObjC++ | |
1087 | Emit debug annotations during preprocessing | |
1088 | ||
5f5babf1 | 1089 | fdeduce-init-list |
15694fdd JM |
1090 | C++ ObjC++ Var(flag_deduce_init_list) Init(0) |
1091 | -fdeduce-init-list enable deduction of std::initializer_list for a template type parameter from a brace-enclosed initializer-list | |
5f5babf1 | 1092 | |
1f26ac87 JM |
1093 | fdeclone-ctor-dtor |
1094 | C++ ObjC++ Var(flag_declone_ctor_dtor) Init(-1) | |
1095 | Factor complex constructors and destructors to favor space over speed | |
1096 | ||
fef3106c | 1097 | fdefault-inline |
2d2bd949 | 1098 | C++ ObjC++ Ignore |
5498f011 | 1099 | Does nothing. Preserved for backward compatibility. |
fef3106c | 1100 | |
ccfc4c91 OW |
1101 | fdirectives-only |
1102 | C ObjC C++ ObjC++ | |
1103 | Preprocess directives only. | |
1104 | ||
fef3106c NB |
1105 | fdollars-in-identifiers |
1106 | C ObjC C++ ObjC++ | |
72de27ea | 1107 | Permit '$' as an identifier character |
fef3106c | 1108 | |
3b78de56 AC |
1109 | fdump-ada-spec |
1110 | C ObjC C++ ObjC++ RejectNegative Var(flag_dump_ada_spec) | |
1111 | Write all declarations as Ada code transitively | |
1112 | ||
1113 | fdump-ada-spec-slim | |
1114 | C ObjC C++ ObjC++ RejectNegative Var(flag_dump_ada_spec_slim) | |
1115 | Write all declarations as Ada code for the given file only | |
1116 | ||
fef3106c | 1117 | felide-constructors |
5498f011 | 1118 | C++ ObjC++ Var(flag_elide_constructors) Init(1) |
fef3106c NB |
1119 | |
1120 | fenforce-eh-specs | |
5498f011 | 1121 | C++ ObjC++ Var(flag_enforce_eh_specs) Init(1) |
bae92bf3 | 1122 | Generate code to check exception specifications |
fef3106c NB |
1123 | |
1124 | fenum-int-equiv | |
2d2bd949 | 1125 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
fef3106c | 1126 | |
e6cc3a24 ZW |
1127 | fexec-charset= |
1128 | C ObjC C++ ObjC++ Joined RejectNegative | |
72de27ea | 1129 | -fexec-charset=<cset> Convert all strings and character constants to character set <cset> |
e6cc3a24 | 1130 | |
af15a2fe JM |
1131 | fextended-identifiers |
1132 | C ObjC C++ ObjC++ | |
1133 | Permit universal character names (\\u and \\U) in identifiers | |
1134 | ||
16dd5cfe EC |
1135 | finput-charset= |
1136 | C ObjC C++ ObjC++ Joined RejectNegative | |
c85ce869 | 1137 | -finput-charset=<cset> Specify the default character set for source files |
16dd5cfe | 1138 | |
5af057d8 JM |
1139 | fextern-tls-init |
1140 | C++ ObjC++ Var(flag_extern_tls_init) Init(-1) | |
1141 | Support dynamic initialization of thread-local variables in a different translation unit | |
16dd5cfe | 1142 | |
fef3106c | 1143 | fexternal-templates |
2d2bd949 | 1144 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
fef3106c | 1145 | |
fef3106c | 1146 | ffor-scope |
5498f011 | 1147 | C++ ObjC++ Var(flag_new_for_scope) Init(1) |
bae92bf3 | 1148 | Scope of for-init-statement variables is local to the loop |
fef3106c NB |
1149 | |
1150 | ffreestanding | |
820b51ae | 1151 | C ObjC C++ ObjC++ |
5a170a05 | 1152 | Do not assume that standard C libraries and \"main\" exist |
fef3106c NB |
1153 | |
1154 | fgnu-keywords | |
5498f011 | 1155 | C++ ObjC++ Var(flag_no_gnu_keywords, 0) |
bae92bf3 | 1156 | Recognize GNU-defined keywords |
fef3106c NB |
1157 | |
1158 | fgnu-runtime | |
fb5610fb | 1159 | ObjC ObjC++ LTO Report RejectNegative Var(flag_next_runtime,0) Init(NEXT_OBJC_RUNTIME) |
f2ac9964 | 1160 | Generate code for GNU runtime environment |
fef3106c | 1161 | |
da1c7394 | 1162 | fgnu89-inline |
2cbac420 | 1163 | C ObjC Var(flag_gnu89_inline) Init(-1) |
da1c7394 ILT |
1164 | Use traditional GNU semantics for inline functions |
1165 | ||
fef3106c | 1166 | fguiding-decls |
2d2bd949 | 1167 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
fef3106c NB |
1168 | |
1169 | fhandle-exceptions | |
2d2bd949 | 1170 | C++ ObjC++ Optimization Alias(fexceptions) Warn({-fhandle-exceptions has been renamed -fexceptions (and is now on by default)}) |
fef3106c NB |
1171 | |
1172 | fhonor-std | |
2d2bd949 | 1173 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
fef3106c NB |
1174 | |
1175 | fhosted | |
1176 | C ObjC | |
5a170a05 | 1177 | Assume normal C execution environment |
fef3106c NB |
1178 | |
1179 | fhuge-objects | |
2d2bd949 | 1180 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
d1779886 | 1181 | No longer supported |
fef3106c NB |
1182 | |
1183 | fimplement-inlines | |
5498f011 | 1184 | C++ ObjC++ Var(flag_implement_inlines) Init(1) |
bae92bf3 | 1185 | Export functions even if they can be inlined |
fef3106c NB |
1186 | |
1187 | fimplicit-inline-templates | |
5498f011 | 1188 | C++ ObjC++ Var(flag_implicit_inline_templates) Init(1) |
bae92bf3 | 1189 | Emit implicit instantiations of inline templates |
fef3106c NB |
1190 | |
1191 | fimplicit-templates | |
5498f011 | 1192 | C++ ObjC++ Var(flag_implicit_templates) Init(1) |
bae92bf3 | 1193 | Emit implicit instantiations of templates |
fef3106c | 1194 | |
d63d5d0c | 1195 | ffriend-injection |
2cbac420 | 1196 | C++ ObjC++ Var(flag_friend_injection) |
d63d5d0c ILT |
1197 | Inject friend functions into enclosing namespace |
1198 | ||
47ea1edf DK |
1199 | fkeep-inline-dllexport |
1200 | C C++ ObjC ObjC++ Var(flag_keep_inline_dllexport) Init(1) Report Condition(TARGET_DLLIMPORT_DECL_ATTRIBUTES) | |
1201 | Don't emit dllexported inline functions unless needed | |
1202 | ||
fef3106c | 1203 | flabels-ok |
2d2bd949 | 1204 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
fef3106c | 1205 | |
00c8e9f6 | 1206 | flax-vector-conversions |
5498f011 | 1207 | C ObjC C++ ObjC++ Var(flag_lax_vector_conversions) |
00c8e9f6 MS |
1208 | Allow implicit conversions between vectors with differing numbers of subparts and/or differing element types. |
1209 | ||
fef3106c | 1210 | fms-extensions |
5498f011 | 1211 | C ObjC C++ ObjC++ Var(flag_ms_extensions) |
bae92bf3 | 1212 | Don't warn about uses of Microsoft extensions |
fef3106c | 1213 | |
5720c0dc | 1214 | fmudflap |
98906124 | 1215 | C ObjC C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
5720c0dc RG |
1216 | |
1217 | fmudflapth | |
98906124 | 1218 | C ObjC C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
5720c0dc RG |
1219 | |
1220 | fmudflapir | |
98906124 | 1221 | C ObjC C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
5720c0dc | 1222 | |
fef3106c | 1223 | fname-mangling-version- |
2d2bd949 | 1224 | C++ ObjC++ Joined Ignore Warn(switch %qs is no longer supported) |
fef3106c NB |
1225 | |
1226 | fnew-abi | |
2d2bd949 | 1227 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
fef3106c NB |
1228 | |
1229 | fnext-runtime | |
fb5610fb | 1230 | ObjC ObjC++ LTO Report RejectNegative Var(flag_next_runtime) |
264fa2db ZL |
1231 | Generate code for NeXT (Apple Mac OS X) runtime environment |
1232 | ||
1233 | fnil-receivers | |
5498f011 | 1234 | ObjC ObjC++ Var(flag_nil_receivers) Init(1) |
264fa2db | 1235 | Assume that receivers of Objective-C messages may be nil |
fef3106c | 1236 | |
dcaaa5a0 DP |
1237 | flocal-ivars |
1238 | ObjC ObjC++ Var(flag_local_ivars) Init(1) | |
1239 | Allow access to instance variables as if they were local declarations within instance method implementations. | |
1240 | ||
1241 | fivar-visibility= | |
1242 | ObjC ObjC++ Joined RejectNegative Enum(ivar_visibility) Var(default_ivar_visibility) Init(IVAR_VISIBILITY_PROTECTED) | |
1243 | -fvisibility=[private|protected|public|package] Set the default symbol visibility | |
1244 | ||
1245 | Enum | |
1246 | Name(ivar_visibility) Type(enum ivar_visibility) UnknownError(unrecognized ivar visibility value %qs) | |
1247 | ||
1248 | EnumValue | |
1249 | Enum(ivar_visibility) String(private) Value(IVAR_VISIBILITY_PRIVATE) | |
1250 | ||
1251 | EnumValue | |
1252 | Enum(ivar_visibility) String(protected) Value(IVAR_VISIBILITY_PROTECTED) | |
1253 | ||
1254 | EnumValue | |
1255 | Enum(ivar_visibility) String(public) Value(IVAR_VISIBILITY_PUBLIC) | |
1256 | ||
1257 | EnumValue | |
1258 | Enum(ivar_visibility) String(package) Value(IVAR_VISIBILITY_PACKAGE) | |
1259 | ||
fef3106c | 1260 | fnonansi-builtins |
5498f011 | 1261 | C++ ObjC++ Var(flag_no_nonansi_builtin, 0) |
fef3106c NB |
1262 | |
1263 | fnonnull-objects | |
2d2bd949 | 1264 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
fef3106c | 1265 | |
9feb3d6a JM |
1266 | fnothrow-opt |
1267 | C++ ObjC++ Optimization Var(flag_nothrow_opt) | |
1268 | Treat a throw() exception specification as noexcept to improve code size | |
1269 | ||
0a256240 | 1270 | fobjc-abi-version= |
fb5610fb | 1271 | ObjC ObjC++ LTO Joined Report RejectNegative UInteger Var(flag_objc_abi) |
0a256240 NP |
1272 | Specify which ABI to use for Objective-C family code and meta-data generation. |
1273 | ||
6e955430 ZL |
1274 | ; Generate special '- .cxx_construct' and '- .cxx_destruct' methods |
1275 | ; to initialize any non-POD ivars in Objective-C++ classes. | |
1276 | fobjc-call-cxx-cdtors | |
1277 | ObjC++ Var(flag_objc_call_cxx_cdtors) | |
1278 | Generate special Objective-C methods to initialize/destroy non-POD C++ ivars, if needed | |
1279 | ||
1280 | fobjc-direct-dispatch | |
1281 | ObjC ObjC++ Var(flag_objc_direct_dispatch) | |
1282 | Allow fast jumps to the message dispatcher | |
1283 | ||
1284 | ; Nonzero means that we will allow new ObjC exception syntax (@throw, | |
1285 | ; @try, etc.) in source code. | |
264fa2db | 1286 | fobjc-exceptions |
6e955430 | 1287 | ObjC ObjC++ Var(flag_objc_exceptions) |
264fa2db ZL |
1288 | Enable Objective-C exception and synchronization syntax |
1289 | ||
6e955430 | 1290 | fobjc-gc |
fb5610fb | 1291 | ObjC ObjC++ LTO Var(flag_objc_gc) |
6e955430 ZL |
1292 | Enable garbage collection (GC) in Objective-C/Objective-C++ programs |
1293 | ||
0a256240 NP |
1294 | fobjc-nilcheck |
1295 | ObjC ObjC++ Var(flag_objc_nilcheck,1) | |
1296 | Enable inline checks for nil receivers with the NeXT runtime and ABI version 2. | |
1297 | ||
6e955430 | 1298 | ; Nonzero means that we generate NeXT setjmp based exceptions. |
093c7153 | 1299 | fobjc-sjlj-exceptions |
6e955430 | 1300 | ObjC ObjC++ Var(flag_objc_sjlj_exceptions) Init(-1) |
093c7153 RH |
1301 | Enable Objective-C setjmp exception handling runtime |
1302 | ||
22d8d616 NP |
1303 | fobjc-std=objc1 |
1304 | ObjC ObjC++ Var(flag_objc1_only) | |
1305 | Conform to the Objective-C 1.0 language as implemented in GCC 4.0 | |
1306 | ||
41dbbb37 | 1307 | fopenacc |
a0c88d06 | 1308 | C ObjC C++ ObjC++ LTO Var(flag_openacc) |
41dbbb37 TS |
1309 | Enable OpenACC |
1310 | ||
953ff289 | 1311 | fopenmp |
1506ae0e | 1312 | C ObjC C++ ObjC++ LTO Var(flag_openmp) |
9a0f3e86 | 1313 | Enable OpenMP (implies -frecursive in Fortran) |
953ff289 | 1314 | |
6d7f7e0a TB |
1315 | fopenmp-simd |
1316 | C ObjC C++ ObjC++ Var(flag_openmp_simd) | |
1317 | Enable OpenMP's SIMD directives | |
1318 | ||
fef3106c NB |
1319 | foperator-names |
1320 | C++ ObjC++ | |
1cbc62c0 | 1321 | Recognize C++ keywords like \"compl\" and \"xor\" |
fef3106c NB |
1322 | |
1323 | foptional-diags | |
2d2bd949 | 1324 | C++ ObjC++ Ignore |
5498f011 | 1325 | Does nothing. Preserved for backward compatibility. |
fef3106c NB |
1326 | |
1327 | fpch-deps | |
1328 | C ObjC C++ ObjC++ | |
1329 | ||
c0d578e6 GK |
1330 | fpch-preprocess |
1331 | C ObjC C++ ObjC++ | |
1332 | Look for and use PCH files even when preprocessing | |
1333 | ||
fef3106c | 1334 | fpermissive |
0c3641b0 | 1335 | C++ ObjC++ Var(flag_permissive) |
bae92bf3 | 1336 | Downgrade conformance errors to warnings |
fef3106c | 1337 | |
478a1c5b ILT |
1338 | fplan9-extensions |
1339 | C ObjC Var(flag_plan9_extensions) | |
1340 | Enable Plan 9 language extensions | |
1341 | ||
fef3106c NB |
1342 | fpreprocessed |
1343 | C ObjC C++ ObjC++ | |
72de27ea | 1344 | Treat the input file as already preprocessed |
fef3106c | 1345 | |
92582b75 TT |
1346 | ftrack-macro-expansion |
1347 | C ObjC C++ ObjC++ JoinedOrMissing RejectNegative UInteger | |
1348 | ; converted into ftrack-macro-expansion= | |
1349 | ||
1350 | ftrack-macro-expansion= | |
1351 | C ObjC C++ ObjC++ JoinedOrMissing RejectNegative UInteger | |
1352 | -ftrack-macro-expansion=<0|1|2> Track locations of tokens coming from macro expansion and display them in error messages | |
1353 | ||
6ea2bd47 | 1354 | fpretty-templates |
5498f011 | 1355 | C++ ObjC++ Var(flag_pretty_templates) Init(1) |
6ea2bd47 JM |
1356 | -fno-pretty-templates Do not pretty-print template specializations as the template signature followed by the arguments |
1357 | ||
264fa2db | 1358 | freplace-objc-classes |
fb5610fb | 1359 | ObjC ObjC++ LTO Var(flag_replace_objc_classes) |
264fa2db ZL |
1360 | Used in Fix-and-Continue mode to indicate that object files may be swapped in at runtime |
1361 | ||
fef3106c NB |
1362 | frepo |
1363 | C++ ObjC++ | |
bae92bf3 | 1364 | Enable automatic template instantiation |
fef3106c NB |
1365 | |
1366 | frtti | |
5498f011 | 1367 | C++ ObjC++ Optimization Var(flag_rtti) Init(1) |
bae92bf3 | 1368 | Generate run time type descriptor information |
fef3106c NB |
1369 | |
1370 | fshort-double | |
f42c637e | 1371 | C ObjC C++ ObjC++ LTO Optimization Var(flag_short_double) |
5a170a05 | 1372 | Use the same size for double as for float |
fef3106c NB |
1373 | |
1374 | fshort-enums | |
dd6fe7d4 | 1375 | C ObjC C++ ObjC++ LTO Optimization Var(flag_short_enums) |
5a170a05 | 1376 | Use the narrowest integer type possible for enumeration types |
fef3106c NB |
1377 | |
1378 | fshort-wchar | |
dd6fe7d4 | 1379 | C ObjC C++ ObjC++ LTO Optimization Var(flag_short_wchar) |
5a170a05 | 1380 | Force the underlying type for \"wchar_t\" to be \"unsigned short\" |
fef3106c | 1381 | |
fef3106c | 1382 | fsigned-bitfields |
5498f011 | 1383 | C ObjC C++ ObjC++ Var(flag_signed_bitfields) Init(1) |
5a170a05 | 1384 | When \"signed\" or \"unsigned\" is not given make the bitfield signed |
fef3106c NB |
1385 | |
1386 | fsigned-char | |
5498f011 | 1387 | C ObjC C++ ObjC++ LTO Var(flag_signed_char) |
5a170a05 | 1388 | Make \"char\" signed by default |
fef3106c | 1389 | |
20b06add JM |
1390 | fsized-deallocation |
1391 | C++ ObjC++ Var(flag_sized_deallocation) Init(-1) | |
1392 | Enable C++14 sized deallocation support | |
1393 | ||
fef3106c | 1394 | fsquangle |
2d2bd949 | 1395 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
fef3106c NB |
1396 | |
1397 | fstats | |
5498f011 | 1398 | C++ ObjC++ Var(flag_detailed_statistics) |
bae92bf3 | 1399 | Display statistics accumulated during compilation |
fef3106c | 1400 | |
cbb4feb3 JM |
1401 | fstrict-enums |
1402 | C++ ObjC++ Optimization Var(flag_strict_enums) | |
1403 | Assume that values of enumeration type are always within the minimum range of that type | |
1404 | ||
fef3106c | 1405 | fstrict-prototype |
2d2bd949 | 1406 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
fef3106c NB |
1407 | |
1408 | ftabstop= | |
7b086b11 | 1409 | C ObjC C++ ObjC++ Joined RejectNegative UInteger |
72de27ea | 1410 | -ftabstop=<number> Distance between tab stops for column reporting |
fef3106c | 1411 | |
a12bf402 MLI |
1412 | ftemplate-backtrace-limit= |
1413 | C++ ObjC++ Joined RejectNegative UInteger Var(template_backtrace_limit) Init(10) | |
1414 | Set the maximum number of template instantiation notes for a single warning or error | |
1415 | ||
fef3106c | 1416 | ftemplate-depth- |
5de8299c | 1417 | C++ ObjC++ Joined RejectNegative Undocumented Alias(ftemplate-depth=) |
124e0d27 MLI |
1418 | |
1419 | ftemplate-depth= | |
c22cacf3 | 1420 | C++ ObjC++ Joined RejectNegative UInteger |
124e0d27 | 1421 | -ftemplate-depth=<number> Specify maximum template instantiation depth |
fef3106c NB |
1422 | |
1423 | fthis-is-variable | |
2d2bd949 | 1424 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
fef3106c | 1425 | |
40aac948 | 1426 | fthreadsafe-statics |
5498f011 | 1427 | C++ ObjC++ Optimization Var(flag_threadsafe_statics) Init(1) |
c85ce869 | 1428 | -fno-threadsafe-statics Do not generate thread-safe code for initializing local statics |
40aac948 | 1429 | |
fef3106c | 1430 | funsigned-bitfields |
f0036cca | 1431 | C ObjC C++ ObjC++ Var(flag_signed_bitfields, 0) |
5a170a05 | 1432 | When \"signed\" or \"unsigned\" is not given make the bitfield unsigned |
fef3106c NB |
1433 | |
1434 | funsigned-char | |
f0036cca | 1435 | C ObjC C++ ObjC++ LTO Var(flag_signed_char, 0) |
5a170a05 | 1436 | Make \"char\" unsigned by default |
fef3106c NB |
1437 | |
1438 | fuse-cxa-atexit | |
5498f011 | 1439 | C++ ObjC++ Var(flag_use_cxa_atexit) Init(DEFAULT_USE_CXA_ATEXIT) |
bae92bf3 | 1440 | Use __cxa_atexit to register destructors |
fef3106c | 1441 | |
c7b5e395 | 1442 | fuse-cxa-get-exception-ptr |
5498f011 | 1443 | C++ ObjC++ Var(flag_use_cxa_get_exception_ptr) Init(2) |
c7b5e395 GK |
1444 | Use __cxa_get_exception_ptr in exception handling |
1445 | ||
d7afec4b | 1446 | fvisibility-inlines-hidden |
d0b07283 | 1447 | C++ ObjC++ |
fb9120e3 | 1448 | Marks all inlined functions and methods as having hidden visibility |
d7afec4b | 1449 | |
ddbfd28d GK |
1450 | fvisibility-ms-compat |
1451 | C++ ObjC++ Var(flag_visibility_ms_compat) | |
1452 | Changes visibility to match Microsoft Visual Studio by default | |
1453 | ||
fef3106c | 1454 | fvtable-gc |
2d2bd949 | 1455 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
d1779886 | 1456 | No longer supported |
fef3106c NB |
1457 | |
1458 | fvtable-thunks | |
2d2bd949 | 1459 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
d1779886 | 1460 | No longer supported |
fef3106c NB |
1461 | |
1462 | fweak | |
5498f011 | 1463 | C++ ObjC++ Var(flag_weak) Init(1) |
bae92bf3 | 1464 | Emit common-like symbols as weak symbols |
fef3106c | 1465 | |
e6cc3a24 ZW |
1466 | fwide-exec-charset= |
1467 | C ObjC C++ ObjC++ Joined RejectNegative | |
72de27ea | 1468 | -fwide-exec-charset=<cset> Convert all wide strings and character constants to character set <cset> |
e6cc3a24 | 1469 | |
b20d9f0c | 1470 | fworking-directory |
5498f011 | 1471 | C ObjC C++ ObjC++ Var(flag_working_directory) Init(-1) |
b20d9f0c AO |
1472 | Generate a #line directive pointing at the current working directory |
1473 | ||
fef3106c | 1474 | fxref |
2d2bd949 | 1475 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
d1779886 | 1476 | No longer supported |
fef3106c | 1477 | |
264fa2db | 1478 | fzero-link |
5498f011 | 1479 | ObjC ObjC++ Var(flag_zero_link) |
264fa2db ZL |
1480 | Generate lazy class lookup (via objc_getClass()) for use in Zero-Link mode |
1481 | ||
fef3106c | 1482 | gen-decls |
5498f011 | 1483 | ObjC ObjC++ Var(flag_gen_declaration) |
f2ac9964 | 1484 | Dump declarations to a .decl file |
fef3106c | 1485 | |
39ef6592 LC |
1486 | femit-struct-debug-baseonly |
1487 | C ObjC C++ ObjC++ | |
1488 | -femit-struct-debug-baseonly Aggressive reduced debug info for structs | |
1489 | ||
1490 | femit-struct-debug-reduced | |
1491 | C ObjC C++ ObjC++ | |
1492 | -femit-struct-debug-reduced Conservative reduced debug info for structs | |
1493 | ||
1494 | femit-struct-debug-detailed= | |
1495 | C ObjC C++ ObjC++ Joined | |
1496 | -femit-struct-debug-detailed=<spec-list> Detailed reduced debug info for structs | |
1497 | ||
a4a0016d ESR |
1498 | fext-numeric-literals |
1499 | C++ ObjC++ | |
1500 | Interpret imaginary, fixed-point, or other gnu number suffix as the corresponding | |
1501 | number literal rather than a user-defined number literal. | |
1502 | ||
fef3106c | 1503 | idirafter |
61ff2bdc | 1504 | C ObjC C++ ObjC++ Joined Separate MissingArgError(missing path after %qs) |
72de27ea | 1505 | -idirafter <dir> Add <dir> to the end of the system include path |
fef3106c NB |
1506 | |
1507 | imacros | |
61ff2bdc | 1508 | C ObjC C++ ObjC++ Joined Separate MissingArgError(missing filename after %qs) |
72de27ea | 1509 | -imacros <file> Accept definition of macros in <file> |
fef3106c | 1510 | |
2b6dd222 JM |
1511 | imultilib |
1512 | C ObjC C++ ObjC++ Joined Separate | |
f94e1d66 | 1513 | -imultilib <dir> Set <dir> to be the multilib include subdirectory |
2b6dd222 | 1514 | |
fef3106c | 1515 | include |
61ff2bdc | 1516 | C ObjC C++ ObjC++ Joined Separate MissingArgError(missing filename after %qs) |
72de27ea | 1517 | -include <file> Include the contents of <file> before other files |
fef3106c NB |
1518 | |
1519 | iprefix | |
1520 | C ObjC C++ ObjC++ Joined Separate | |
72de27ea | 1521 | -iprefix <path> Specify <path> as a prefix for next two options |
fef3106c NB |
1522 | |
1523 | isysroot | |
61ff2bdc | 1524 | C ObjC C++ ObjC++ Joined Separate MissingArgError(missing path after %qs) |
72de27ea | 1525 | -isysroot <dir> Set <dir> to be the system root directory |
fef3106c NB |
1526 | |
1527 | isystem | |
61ff2bdc | 1528 | C ObjC C++ ObjC++ Joined Separate MissingArgError(missing path after %qs) |
72de27ea | 1529 | -isystem <dir> Add <dir> to the start of the system include path |
fef3106c | 1530 | |
4bed3787 | 1531 | iquote |
61ff2bdc | 1532 | C ObjC C++ ObjC++ Joined Separate MissingArgError(missing path after %qs) |
4bed3787 MS |
1533 | -iquote <dir> Add <dir> to the end of the quote include path |
1534 | ||
fef3106c NB |
1535 | iwithprefix |
1536 | C ObjC C++ ObjC++ Joined Separate | |
72de27ea | 1537 | -iwithprefix <dir> Add <dir> to the end of the system include path |
fef3106c NB |
1538 | |
1539 | iwithprefixbefore | |
1540 | C ObjC C++ ObjC++ Joined Separate | |
72de27ea | 1541 | -iwithprefixbefore <dir> Add <dir> to the end of the main include path |
fef3106c NB |
1542 | |
1543 | lang-asm | |
603349bf | 1544 | C Undocumented RejectDriver |
fef3106c | 1545 | |
e200444e JM |
1546 | no-integrated-cpp |
1547 | Driver | |
1548 | ||
fef3106c NB |
1549 | nostdinc |
1550 | C ObjC C++ ObjC++ | |
72de27ea | 1551 | Do not search standard system include directories (those specified with -isystem will still be used) |
fef3106c NB |
1552 | |
1553 | nostdinc++ | |
72de27ea NB |
1554 | C++ ObjC++ |
1555 | Do not search standard system include directories for C++ | |
fef3106c NB |
1556 | |
1557 | o | |
1558 | C ObjC C++ ObjC++ Joined Separate | |
72de27ea | 1559 | ; Documented in common.opt |
fef3106c NB |
1560 | |
1561 | pedantic | |
c1771a20 | 1562 | C ObjC C++ ObjC++ Alias(Wpedantic) |
72de27ea | 1563 | ; Documented in common.opt |
fef3106c | 1564 | |
fef3106c NB |
1565 | print-objc-runtime-info |
1566 | ObjC ObjC++ | |
f2ac9964 | 1567 | Generate C header of platform-specific features |
fef3106c NB |
1568 | |
1569 | remap | |
1570 | C ObjC C++ ObjC++ | |
72de27ea | 1571 | Remap file names when including files |
fef3106c NB |
1572 | |
1573 | std=c++98 | |
1574 | C++ ObjC++ | |
c7dc8804 JM |
1575 | Conform to the ISO 1998 C++ standard revised by the 2003 technical corrigendum |
1576 | ||
1577 | std=c++03 | |
1578 | C++ ObjC++ Alias(std=c++98) | |
1579 | Conform to the ISO 1998 C++ standard revised by the 2003 technical corrigendum | |
fef3106c | 1580 | |
97e3ad20 | 1581 | std=c++11 |
966541e3 | 1582 | C++ ObjC++ |
70e24808 | 1583 | Conform to the ISO 2011 C++ standard |
97e3ad20 JM |
1584 | |
1585 | std=c++0x | |
70e24808 | 1586 | C++ ObjC++ Alias(std=c++11) Undocumented |
97e3ad20 | 1587 | Deprecated in favor of -std=c++11 |
966541e3 | 1588 | |
552b8185 | 1589 | std=c++1y |
028aee17 JM |
1590 | C++ ObjC++ Alias(std=c++14) Undocumented |
1591 | Deprecated in favor of -std=c++14 | |
70e24808 JM |
1592 | |
1593 | std=c++14 | |
028aee17 JM |
1594 | C++ ObjC++ Undocumented |
1595 | Conform to the ISO 2014 C++ standard (experimental and incomplete support) | |
552b8185 | 1596 | |
da73100b JM |
1597 | std=c++1z |
1598 | C++ ObjC++ | |
1599 | Conform to the ISO 2017(?) C++ draft standard (experimental and incomplete support) | |
1600 | ||
1601 | std=c++17 | |
1602 | C++ ObjC++ Alias(std=c++1z) Undocumented | |
1603 | ||
48b0b196 | 1604 | std=c11 |
2778d766 | 1605 | C ObjC |
48b0b196 JM |
1606 | Conform to the ISO 2011 C standard (experimental and incomplete support) |
1607 | ||
1608 | std=c1x | |
1609 | C ObjC Alias(std=c11) | |
1610 | Deprecated in favor of -std=c11 | |
2778d766 | 1611 | |
fef3106c | 1612 | std=c89 |
5de8299c | 1613 | C ObjC Alias(std=c90) |
72de27ea | 1614 | Conform to the ISO 1990 C standard |
fef3106c | 1615 | |
7e1542b9 MLI |
1616 | std=c90 |
1617 | C ObjC | |
1618 | Conform to the ISO 1990 C standard | |
1619 | ||
fef3106c NB |
1620 | std=c99 |
1621 | C ObjC | |
72de27ea | 1622 | Conform to the ISO 1999 C standard |
fef3106c NB |
1623 | |
1624 | std=c9x | |
5de8299c | 1625 | C ObjC Alias(std=c99) |
72de27ea | 1626 | Deprecated in favor of -std=c99 |
fef3106c NB |
1627 | |
1628 | std=gnu++98 | |
1629 | C++ ObjC++ | |
97e3ad20 JM |
1630 | Conform to the ISO 1998 C++ standard revised by the 2003 technical |
1631 | corrigendum with GNU extensions | |
fef3106c | 1632 | |
97e3ad20 JM |
1633 | std=gnu++03 |
1634 | C++ ObjC++ Alias(std=gnu++98) | |
1635 | Conform to the ISO 1998 C++ standard revised by the 2003 technical | |
1636 | corrigendum with GNU extensions | |
1637 | ||
1638 | std=gnu++11 | |
966541e3 | 1639 | C++ ObjC++ |
97e3ad20 JM |
1640 | Conform to the ISO 2011 C++ standard with GNU extensions (experimental and incomplete support) |
1641 | ||
1642 | std=gnu++0x | |
1643 | C++ ObjC++ Alias(std=gnu++11) | |
1644 | Deprecated in favor of -std=gnu++11 | |
966541e3 | 1645 | |
552b8185 | 1646 | std=gnu++1y |
028aee17 | 1647 | C++ ObjC++ Alias(std=gnu++14) Undocumented |
552b8185 | 1648 | |
a07f6ed2 | 1649 | std=gnu++14 |
028aee17 JM |
1650 | C++ ObjC++ |
1651 | Conform to the ISO 2014 C++ standard with GNU extensions (experimental and incomplete support) | |
a07f6ed2 | 1652 | |
da73100b JM |
1653 | std=gnu++1z |
1654 | C++ ObjC++ | |
1655 | Conform to the ISO 201z(7?) C++ draft standard with GNU extensions (experimental and incomplete support) | |
1656 | ||
1657 | std=gnu++17 | |
a545cacd | 1658 | C++ ObjC++ Alias(std=gnu++1z) Undocumented |
da73100b | 1659 | |
48b0b196 | 1660 | std=gnu11 |
2778d766 | 1661 | C ObjC |
48b0b196 JM |
1662 | Conform to the ISO 2011 C standard with GNU extensions (experimental and incomplete support) |
1663 | ||
1664 | std=gnu1x | |
1665 | C ObjC Alias(std=gnu11) | |
1666 | Deprecated in favor of -std=gnu11 | |
2778d766 | 1667 | |
fef3106c | 1668 | std=gnu89 |
5de8299c | 1669 | C ObjC Alias(std=gnu90) |
72de27ea | 1670 | Conform to the ISO 1990 C standard with GNU extensions |
fef3106c | 1671 | |
7e1542b9 MLI |
1672 | std=gnu90 |
1673 | C ObjC | |
1674 | Conform to the ISO 1990 C standard with GNU extensions | |
1675 | ||
fef3106c NB |
1676 | std=gnu99 |
1677 | C ObjC | |
72de27ea | 1678 | Conform to the ISO 1999 C standard with GNU extensions |
fef3106c NB |
1679 | |
1680 | std=gnu9x | |
5de8299c | 1681 | C ObjC Alias(std=gnu99) |
72de27ea | 1682 | Deprecated in favor of -std=gnu99 |
fef3106c NB |
1683 | |
1684 | std=iso9899:1990 | |
5de8299c | 1685 | C ObjC Alias(std=c90) |
3a1e400e | 1686 | Conform to the ISO 1990 C standard |
fef3106c NB |
1687 | |
1688 | std=iso9899:199409 | |
1689 | C ObjC | |
72de27ea | 1690 | Conform to the ISO 1990 C standard as amended in 1994 |
fef3106c NB |
1691 | |
1692 | std=iso9899:1999 | |
5de8299c | 1693 | C ObjC Alias(std=c99) |
3a1e400e | 1694 | Conform to the ISO 1999 C standard |
fef3106c NB |
1695 | |
1696 | std=iso9899:199x | |
5de8299c | 1697 | C ObjC Alias(std=c99) |
3a1e400e | 1698 | Deprecated in favor of -std=iso9899:1999 |
fef3106c | 1699 | |
48b0b196 JM |
1700 | std=iso9899:2011 |
1701 | C ObjC Alias(std=c11) | |
1702 | Conform to the ISO 2011 C standard (experimental and incomplete support) | |
1703 | ||
e200444e JM |
1704 | traditional |
1705 | Driver | |
1706 | ||
fef3106c NB |
1707 | traditional-cpp |
1708 | C ObjC C++ ObjC++ | |
72de27ea | 1709 | Enable traditional preprocessing |
fef3106c NB |
1710 | |
1711 | trigraphs | |
1712 | C ObjC C++ ObjC++ | |
72de27ea | 1713 | -trigraphs Support ISO C trigraphs |
fef3106c NB |
1714 | |
1715 | undef | |
5498f011 | 1716 | C ObjC C++ ObjC++ Var(flag_undef) |
72de27ea | 1717 | Do not predefine system-specific and GCC-specific macros |
fef3106c NB |
1718 | |
1719 | v | |
d5478783 JM |
1720 | C ObjC C++ ObjC++ |
1721 | ; Documented in common.opt | |
fef3106c NB |
1722 | |
1723 | w | |
1724 | C ObjC C++ ObjC++ | |
72de27ea | 1725 | ; Documented in common.opt |
e11a4ae5 NB |
1726 | |
1727 | ; This comment is to ensure we retain the blank line above. |