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Commit | Line | Data |
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fef3106c | 1 | ; Options for the C, ObjC, C++ and ObjC++ front ends. |
23a5b65a | 2 | ; Copyright (C) 2003-2014 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 |
d7f09764 | 268 | C ObjC C++ ObjC++ LTO Var(warn_psabi) Init(1) Undocumented |
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 | ||
6e955430 | 282 | Wassign-intercept |
c662432e | 283 | ObjC ObjC++ Var(warn_assign_intercept) Warning |
6e955430 ZL |
284 | Warn whenever an Objective-C assignment is being intercepted by the garbage collector |
285 | ||
fef3106c | 286 | Wbad-function-cast |
c662432e | 287 | C ObjC Var(warn_bad_function_cast) Warning |
5a170a05 | 288 | Warn about casting functions to incompatible types |
fef3106c | 289 | |
c047ce93 SB |
290 | Wbuiltin-macro-redefined |
291 | C ObjC C++ ObjC++ Warning | |
292 | Warn when a built-in preprocessor macro is undefined or redefined | |
293 | ||
b7e20b53 | 294 | Wc++-compat |
2cbac420 | 295 | C ObjC Var(warn_cxx_compat) Warning |
b7e20b53 GDR |
296 | Warn about C constructs that are not in the common subset of C and C++ |
297 | ||
e1f1ee86 | 298 | Wc++0x-compat |
f2bc201f | 299 | C++ ObjC++ Var(warn_cxx0x_compat) Warning LangEnabledBy(C++ ObjC++,Wall) |
97e3ad20 JM |
300 | Deprecated in favor of -Wc++11-compat |
301 | ||
302 | Wc++11-compat | |
303 | C++ ObjC++ Warning Alias(Wc++0x-compat) | |
304 | Warn about C++ constructs whose meaning differs between ISO C++ 1998 and ISO C++ 2011 | |
b7e20b53 | 305 | |
fef3106c | 306 | Wcast-qual |
c662432e | 307 | C ObjC C++ ObjC++ Var(warn_cast_qual) Warning |
5a170a05 | 308 | Warn about casts which discard qualifiers |
fef3106c NB |
309 | |
310 | Wchar-subscripts | |
4a0ae68e | 311 | C ObjC C++ ObjC++ Var(warn_char_subscripts) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall) |
5a170a05 | 312 | Warn about subscripts whose type is \"char\" |
fef3106c | 313 | |
2b001724 | 314 | Wclobbered |
95744782 | 315 | C ObjC C++ ObjC++ Var(warn_clobbered) Warning EnabledBy(Wextra) |
2b001724 MLI |
316 | Warn about variables that might be changed by \"longjmp\" or \"vfork\" |
317 | ||
fef3106c | 318 | Wcomment |
c662432e | 319 | C ObjC C++ ObjC++ Warning |
72de27ea | 320 | Warn about possibly nested block comments, and C++ comments spanning more than one physical line |
fef3106c NB |
321 | |
322 | Wcomments | |
5de8299c | 323 | C ObjC C++ ObjC++ Warning Alias(Wcomment) |
72de27ea | 324 | Synonym for -Wcomment |
fef3106c | 325 | |
dfeadaa0 PC |
326 | Wconditionally-supported |
327 | C++ ObjC++ Var(warn_conditionally_supported) Warning | |
328 | Warn for conditionally-supported constructs | |
329 | ||
fef3106c | 330 | Wconversion |
c662432e | 331 | C ObjC C++ ObjC++ Var(warn_conversion) Warning |
05170031 | 332 | Warn for implicit type conversions that may change a value |
fef3106c | 333 | |
17251338 MLI |
334 | Wconversion-null |
335 | C++ ObjC++ Var(warn_conversion_null) Init(1) Warning | |
336 | Warn for converting NULL from/to a non-pointer type | |
337 | ||
fef3106c | 338 | Wctor-dtor-privacy |
c662432e | 339 | C++ ObjC++ Var(warn_ctor_dtor_privacy) Warning |
bae92bf3 | 340 | Warn when all constructors and destructors are private |
fef3106c | 341 | |
85617eba | 342 | Wdeclaration-after-statement |
c662432e | 343 | C ObjC Var(warn_declaration_after_statement) Warning |
85617eba HPN |
344 | Warn when a declaration is found after a statement |
345 | ||
c9b0866a PC |
346 | Wdelete-incomplete |
347 | C++ ObjC++ Var(warn_delete_incomplete) Init(1) Warning | |
348 | Warn when deleting a pointer to incomplete type | |
349 | ||
014ab419 | 350 | Wdelete-non-virtual-dtor |
f2bc201f | 351 | C++ ObjC++ Var(warn_delnonvdtor) Warning LangEnabledBy(C++ ObjC++,Wall) |
014ab419 JW |
352 | Warn about deleting polymorphic objects with non-virtual destructors |
353 | ||
34a180a6 MLI |
354 | Wdelete-non-virtual-dtor |
355 | LangEnabledBy(C++ ObjC++,Weffc++) | |
356 | ; | |
357 | ||
fef3106c | 358 | Wdeprecated |
899015a0 | 359 | C C++ ObjC ObjC++ Var(warn_deprecated) Init(1) Warning |
9a0f3e86 | 360 | Warn if a deprecated compiler feature, class, method, or field is used |
fef3106c | 361 | |
d00887e8 MP |
362 | Wdiscarded-qualifiers |
363 | C ObjC Var(warn_discarded_qualifiers) Init(1) Warning | |
364 | Warn if type qualifiers on pointers are discarded | |
365 | ||
fef3106c | 366 | Wdiv-by-zero |
2cbac420 | 367 | C ObjC C++ ObjC++ Var(warn_div_by_zero) Init(1) Warning |
5a170a05 | 368 | Warn about compile-time integer division by zero |
fef3106c NB |
369 | |
370 | Weffc++ | |
c662432e | 371 | C++ ObjC++ Var(warn_ecpp) Warning |
bae92bf3 | 372 | Warn about violations of Effective C++ style rules |
fef3106c | 373 | |
b3b433c5 | 374 | Wempty-body |
95744782 | 375 | C ObjC C++ ObjC++ Var(warn_empty_body) Warning EnabledBy(Wextra) |
b3b433c5 MLI |
376 | Warn about an empty body in an if or else statement |
377 | ||
fef3106c | 378 | Wendif-labels |
c662432e | 379 | C ObjC C++ ObjC++ Warning |
72de27ea | 380 | Warn about stray tokens after #elif and #endif |
fef3106c | 381 | |
a3299096 | 382 | Wenum-compare |
34a180a6 | 383 | C ObjC C++ ObjC++ Var(warn_enum_compare) Init(-1) Warning LangEnabledBy(C ObjC,Wall) |
a3299096 MM |
384 | Warn about comparison of different enum types |
385 | ||
34a180a6 MLI |
386 | Wenum-compare |
387 | LangEnabledBy(C ObjC,Wc++-compat) | |
388 | ; | |
389 | ||
fef3106c NB |
390 | Werror |
391 | C ObjC C++ ObjC++ | |
72de27ea | 392 | ; Documented in common.opt |
fef3106c NB |
393 | |
394 | Werror-implicit-function-declaration | |
5de8299c | 395 | C ObjC RejectNegative Warning Alias(Werror=, implicit-function-declaration) |
dc90f45b | 396 | This switch is deprecated; use -Werror=implicit-function-declaration instead |
fef3106c | 397 | |
49b0aa18 JC |
398 | Wfloat-conversion |
399 | C ObjC C++ ObjC++ Var(warn_float_conversion) LangEnabledBy(C ObjC C++ ObjC++,Wconversion) | |
400 | Warn for implicit type conversions that cause loss of floating point precision | |
401 | ||
fef3106c | 402 | Wfloat-equal |
c662432e | 403 | C ObjC C++ ObjC++ Var(warn_float_equal) Warning |
5a170a05 | 404 | Warn if testing floating point numbers for equality |
fef3106c NB |
405 | |
406 | Wformat | |
7332899a | 407 | C ObjC C++ ObjC++ Warning Alias(Wformat=, 1, 0) |
5a170a05 | 408 | Warn about printf/scanf/strftime/strfmon format string anomalies |
fef3106c | 409 | |
7332899a MLI |
410 | Wformat-contains-nul |
411 | C ObjC C++ ObjC++ Var(warn_format_contains_nul) Warning LangEnabledBy(C ObjC C++ ObjC++,Wformat=, warn_format >= 1, 0) | |
412 | Warn about format strings that contain NUL bytes | |
413 | ||
fef3106c | 414 | Wformat-extra-args |
7332899a | 415 | C ObjC C++ ObjC++ Var(warn_format_extra_args) Warning LangEnabledBy(C ObjC C++ ObjC++,Wformat=, warn_format >= 1, 0) |
5a170a05 | 416 | Warn if passing too many arguments to a function for its format string |
fef3106c NB |
417 | |
418 | Wformat-nonliteral | |
7332899a | 419 | C ObjC C++ ObjC++ Var(warn_format_nonliteral) Warning LangEnabledBy(C ObjC C++ ObjC++,Wformat=, warn_format >= 2, 0) |
5a170a05 | 420 | Warn about format strings that are not literals |
fef3106c NB |
421 | |
422 | Wformat-security | |
7332899a | 423 | C ObjC C++ ObjC++ Var(warn_format_security) Warning LangEnabledBy(C ObjC C++ ObjC++,Wformat=, warn_format >= 2, 0) |
5a170a05 | 424 | Warn about possible security problems with format functions |
fef3106c | 425 | |
cbbd2b1c TB |
426 | Wformat-signedness |
427 | C ObjC C++ ObjC++ Var(warn_format_signedness) Warning LangEnabledBy(C ObjC C++ ObjC++,Wformat=, warn_format >= 2, 0) | |
428 | Warn about sign differences with format functions | |
429 | ||
fef3106c | 430 | Wformat-y2k |
7332899a | 431 | C ObjC C++ ObjC++ Var(warn_format_y2k) Warning LangEnabledBy(C ObjC C++ ObjC++,Wformat=,warn_format >= 2, 0) |
5a170a05 | 432 | Warn about strftime formats yielding 2-digit years |
fef3106c NB |
433 | |
434 | Wformat-zero-length | |
7332899a | 435 | C ObjC C++ ObjC++ Var(warn_format_zero_length) Warning LangEnabledBy(C ObjC C++ ObjC++,Wformat=,warn_format >= 1, 0) |
7619c085 | 436 | Warn about zero-length formats |
fef3106c NB |
437 | |
438 | Wformat= | |
7332899a MLI |
439 | C ObjC C++ ObjC++ Joined RejectNegative UInteger Var(warn_format) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall, 1, 0) |
440 | Warn about printf/scanf/strftime/strfmon format string anomalies | |
fef3106c | 441 | |
5db2e9ca | 442 | Wignored-qualifiers |
95744782 | 443 | C C++ Var(warn_ignored_qualifiers) Warning EnabledBy(Wextra) |
5db2e9ca DK |
444 | Warn whenever type qualifiers are ignored. |
445 | ||
3390f9c9 | 446 | Winit-self |
0ccb505d | 447 | C ObjC C++ ObjC++ Var(warn_init_self) Warning LangEnabledBy(C++ ObjC++,Wall) |
ab532386 | 448 | Warn about variables which are initialized to themselves |
3390f9c9 | 449 | |
fef3106c | 450 | Wimplicit |
4a0ae68e | 451 | C ObjC Var(warn_implicit) Warning LangEnabledBy(C ObjC,Wall) |
3734d960 | 452 | Warn about implicit declarations |
fef3106c | 453 | |
0a0b3574 MM |
454 | Wdouble-promotion |
455 | C ObjC C++ ObjC++ Var(warn_double_promotion) Warning | |
456 | Warn about implicit conversions from \"float\" to \"double\" | |
457 | ||
fef3106c | 458 | Wimplicit-function-declaration |
4a0ae68e | 459 | C ObjC Var(warn_implicit_function_declaration) Init(-1) Warning LangEnabledBy(C ObjC,Wimplicit) |
5a170a05 | 460 | Warn about implicit function declarations |
fef3106c NB |
461 | |
462 | Wimplicit-int | |
4a0ae68e | 463 | C ObjC Var(warn_implicit_int) Warning LangEnabledBy(C ObjC,Wimplicit) |
5a170a05 | 464 | Warn when a declaration does not specify a type |
fef3106c NB |
465 | |
466 | Wimport | |
2d2bd949 | 467 | C ObjC C++ ObjC++ Undocumented Ignore |
fef3106c | 468 | |
4514a96b JM |
469 | Winherited-variadic-ctor |
470 | C++ ObjC++ Var(warn_inh_var_ctor) Init(1) Warning | |
471 | Warn about C++11 inheriting constructors when the base has a variadic constructor | |
472 | ||
53a2494e | 473 | Wint-to-pointer-cast |
dc8d2739 | 474 | C ObjC C++ ObjC++ Var(warn_int_to_pointer_cast) Init(1) Warning |
53a2494e JM |
475 | Warn when there is a cast to a pointer from an integer of a different size |
476 | ||
fef3106c | 477 | Winvalid-offsetof |
c662432e | 478 | C++ ObjC++ Var(warn_invalid_offsetof) Init(1) Warning |
bae92bf3 | 479 | Warn about invalid uses of the \"offsetof\" macro |
fef3106c NB |
480 | |
481 | Winvalid-pch | |
c662432e | 482 | C ObjC C++ ObjC++ Warning |
5a170a05 | 483 | Warn about PCH files that are found but not used |
fef3106c | 484 | |
e1b7793c | 485 | Wjump-misses-init |
f2bc201f | 486 | C ObjC Var(warn_jump_misses_init) Warning LangEnabledby(C ObjC,Wc++-compat) |
e1b7793c ILT |
487 | Warn when a jump misses a variable initialization |
488 | ||
7f5f5f98 OW |
489 | Wliteral-suffix |
490 | C++ ObjC++ Warning | |
491 | Warn when a string or character literal is followed by a ud-suffix which does not begin with an underscore. | |
492 | ||
ca409efd | 493 | Wlogical-op |
7bb27074 | 494 | C ObjC C++ ObjC++ Var(warn_logical_op) Init(0) Warning |
ca409efd MLI |
495 | Warn when a logical operator is suspiciously always evaluating to true or false |
496 | ||
742938c9 MP |
497 | Wlogical-not-parentheses |
498 | C ObjC C++ ObjC++ Var(warn_logical_not_paren) Warning | |
499 | Warn when logical not is used on the left hand side operand of a comparison | |
500 | ||
fef3106c | 501 | Wlong-long |
9c650d90 | 502 | C ObjC C++ ObjC++ Var(warn_long_long) Init(-1) Warning |
5a170a05 | 503 | Do not warn about using \"long long\" when -pedantic |
fef3106c NB |
504 | |
505 | Wmain | |
34a180a6 | 506 | C ObjC C++ ObjC++ Var(warn_main) Init(-1) Warning LangEnabledBy(C ObjC,Wall, 2, 0) |
5a170a05 | 507 | Warn about suspicious declarations of \"main\" |
fef3106c | 508 | |
34a180a6 MLI |
509 | Wmain |
510 | LangEnabledBy(C ObjC C++ ObjC++,Wpedantic, 2, 0) | |
511 | ; | |
512 | ||
fef3106c | 513 | Wmissing-braces |
4f7f7aca | 514 | C ObjC C++ ObjC++ Var(warn_missing_braces) Warning LangEnabledBy(C ObjC,Wall) |
5a170a05 | 515 | Warn about possibly missing braces around initializers |
fef3106c NB |
516 | |
517 | Wmissing-declarations | |
c662432e | 518 | C ObjC C++ ObjC++ Var(warn_missing_declarations) Warning |
5a170a05 | 519 | Warn about global functions without previous declarations |
fef3106c | 520 | |
eaac4679 | 521 | Wmissing-field-initializers |
95744782 | 522 | C ObjC C++ ObjC++ Var(warn_missing_field_initializers) Warning EnabledBy(Wextra) |
eaac4679 RS |
523 | Warn about missing fields in struct initializers |
524 | ||
1a4049e7 | 525 | Wsizeof-pointer-memaccess |
4a0ae68e | 526 | C ObjC C++ ObjC++ Var(warn_sizeof_pointer_memaccess) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall) |
6577374e | 527 | Warn about suspicious length parameters to certain string functions if the argument uses sizeof |
1a4049e7 | 528 | |
90137d8f MLI |
529 | Wsuggest-attribute=format |
530 | C ObjC C++ ObjC++ Var(warn_suggest_attribute_format) Warning | |
5a170a05 | 531 | Warn about functions which might be candidates for format attributes |
fef3106c | 532 | |
34a180a6 MLI |
533 | Wswitch |
534 | C ObjC C++ ObjC++ Var(warn_switch) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall) | |
535 | Warn about enumerated switches, with no default, missing a case | |
536 | ||
537 | Wswitch-default | |
538 | C ObjC C++ ObjC++ Var(warn_switch_default) Warning | |
539 | Warn about enumerated switches missing a \"default:\" statement | |
540 | ||
541 | Wswitch-enum | |
542 | C ObjC C++ ObjC++ Var(warn_switch_enum) Warning | |
543 | Warn about all enumerated switches missing a specific case | |
544 | ||
fedfecef | 545 | Wswitch-bool |
5c3d09f7 | 546 | C ObjC C++ ObjC++ Var(warn_switch_bool) Warning Init(1) |
fedfecef MP |
547 | Warn about switches with boolean controlling expression |
548 | ||
90137d8f MLI |
549 | Wmissing-format-attribute |
550 | C ObjC C++ ObjC++ Alias(Wsuggest-attribute=format) | |
551 | ; | |
552 | ||
b02398bd | 553 | Wmissing-include-dirs |
c662432e | 554 | C ObjC C++ ObjC++ Warning |
b02398bd BE |
555 | Warn about user-specified include directories that do not exist |
556 | ||
cb4af25a | 557 | Wmissing-parameter-type |
95744782 | 558 | C ObjC Var(warn_missing_parameter_type) Warning EnabledBy(Wextra) |
cb4af25a MLI |
559 | Warn about function parameters declared without a type specifier in K&R-style functions |
560 | ||
fef3106c | 561 | Wmissing-prototypes |
c662432e | 562 | C ObjC Var(warn_missing_prototypes) Warning |
5a170a05 | 563 | Warn about global functions without prototypes |
fef3106c | 564 | |
5720c0dc | 565 | Wmudflap |
98906124 | 566 | C ObjC C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
5720c0dc | 567 | |
fef3106c | 568 | Wmultichar |
c662432e | 569 | C ObjC C++ ObjC++ Warning |
5a170a05 | 570 | Warn about use of multi-character character constants |
fef3106c | 571 | |
76f86d00 | 572 | Wnarrowing |
4a0ae68e | 573 | C ObjC C++ ObjC++ Warning Var(warn_narrowing) Init(-1) LangEnabledBy(C++ ObjC++,Wall) |
25339f10 | 574 | Warn about narrowing conversions within { } that are ill-formed in C++11 |
76f86d00 | 575 | |
4a0ae68e MLI |
576 | Wnarrowing |
577 | C ObjC C++ ObjC++ LangEnabledBy(C++ ObjC++,Wc++0x-compat) | |
578 | ; | |
579 | ||
fef3106c | 580 | Wnested-externs |
c662432e | 581 | C ObjC Var(warn_nested_externs) Warning |
5a170a05 | 582 | Warn about \"extern\" declarations not at file scope |
fef3106c | 583 | |
59f9c2ed JM |
584 | Wnoexcept |
585 | C++ ObjC++ Var(warn_noexcept) Warning | |
3c820dcd | 586 | Warn when a noexcept expression evaluates to false even though the expression can't actually throw |
59f9c2ed | 587 | |
fef3106c | 588 | Wnon-template-friend |
c662432e | 589 | C++ ObjC++ Var(warn_nontemplate_friend) Init(1) Warning |
bae92bf3 | 590 | Warn when non-templatized friend functions are declared within a template |
fef3106c NB |
591 | |
592 | Wnon-virtual-dtor | |
880a467b | 593 | C++ ObjC++ Var(warn_nonvdtor) Warning LangEnabledBy(C++ ObjC++,Weffc++) |
bae92bf3 | 594 | Warn about non-virtual destructors |
fef3106c NB |
595 | |
596 | Wnonnull | |
7332899a | 597 | C ObjC C++ ObjC++ Var(warn_nonnull) Warning LangEnabledBy(C ObjC C++ ObjC++,Wformat=,warn_format >= 1,0) |
7619c085 | 598 | Warn about NULL being passed to argument slots marked as requiring non-NULL |
fef3106c | 599 | |
7332899a MLI |
600 | Wnonnull |
601 | C ObjC C++ ObjC++ LangEnabledBy(C ObjC C++ ObjC++,Wall) | |
602 | ; | |
603 | ||
50668cf6 | 604 | Wnormalized= |
c662432e | 605 | C ObjC C++ ObjC++ Joined Warning |
50668cf6 GK |
606 | -Wnormalized=<id|nfc|nfkc> Warn about non-normalised Unicode strings |
607 | ||
fef3106c | 608 | Wold-style-cast |
c662432e | 609 | C++ ObjC++ Var(warn_old_style_cast) Warning |
bae92bf3 | 610 | Warn if a C-style cast is used in a program |
fef3106c | 611 | |
b1ed4cb4 | 612 | Wold-style-declaration |
95744782 | 613 | C ObjC Var(warn_old_style_declaration) Warning EnabledBy(Wextra) |
b1ed4cb4 MLI |
614 | Warn for obsolescent usage in a declaration |
615 | ||
c034f121 | 616 | Wold-style-definition |
c662432e | 617 | C ObjC Var(warn_old_style_definition) Warning |
c034f121 AJ |
618 | Warn if an old-style parameter definition is used |
619 | ||
8b5e1202 SO |
620 | Wopenmp-simd |
621 | C C++ Var(warn_openmp_simd) Warning LangEnabledBy(C C++,Wall) | |
622 | Warn if a simd directive is overridden by the vectorizer cost model | |
623 | ||
89a42ac8 | 624 | Woverlength-strings |
34a180a6 | 625 | C ObjC C++ ObjC++ Var(warn_overlength_strings) Warning LangEnabledBy(C ObjC C++ ObjC++,Wpedantic) |
89a42ac8 ZW |
626 | Warn if a string is longer than the maximum portable length specified by the standard |
627 | ||
fef3106c | 628 | Woverloaded-virtual |
c662432e | 629 | C++ ObjC++ Var(warn_overloaded_virtual) Warning |
bae92bf3 | 630 | Warn about overloaded virtual function names |
fef3106c | 631 | |
7ed322d7 | 632 | Woverride-init |
95744782 | 633 | C ObjC Var(warn_override_init) Warning EnabledBy(Wextra) |
7ed322d7 JM |
634 | Warn about overriding initializers without side effects |
635 | ||
2cd36c22 | 636 | Wpacked-bitfield-compat |
bee6fa6d | 637 | C ObjC C++ ObjC++ Var(warn_packed_bitfield_compat) Init(-1) Warning |
2cd36c22 AN |
638 | Warn about packed bit-fields whose offset changed in GCC 4.4 |
639 | ||
fef3106c | 640 | Wparentheses |
4a0ae68e | 641 | C ObjC C++ ObjC++ Var(warn_parentheses) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall) |
5a170a05 | 642 | Warn about possibly missing parentheses |
fef3106c | 643 | |
c1771a20 MLI |
644 | Wpedantic |
645 | C ObjC C++ ObjC++ Warning | |
646 | ; Documented in common.opt | |
647 | ||
fef3106c | 648 | Wpmf-conversions |
c662432e | 649 | C++ ObjC++ Var(warn_pmf2ptr) Init(1) Warning |
bae92bf3 | 650 | Warn when converting the type of pointers to member functions |
fef3106c NB |
651 | |
652 | Wpointer-arith | |
44d90fe1 | 653 | C ObjC C++ ObjC++ Var(warn_pointer_arith) Warning LangEnabledBy(C ObjC C++ ObjC++,Wpedantic) |
5a170a05 | 654 | Warn about function pointer arithmetic |
fef3106c | 655 | |
4a0ae68e MLI |
656 | Wpointer-sign |
657 | C ObjC Var(warn_pointer_sign) Warning LangEnabledBy(C ObjC,Wall) | |
658 | Warn when a pointer differs in signedness in an assignment | |
659 | ||
660 | Wpointer-sign | |
661 | C ObjC LangEnabledBy(C ObjC,Wpedantic) | |
662 | ; | |
663 | ||
53a2494e | 664 | Wpointer-to-int-cast |
c662432e | 665 | C ObjC Var(warn_pointer_to_int_cast) Init(1) Warning |
53a2494e JM |
666 | Warn when a pointer is cast to an integer of a different size |
667 | ||
b9b8dde3 | 668 | Wpragmas |
c662432e | 669 | C ObjC C++ ObjC++ Var(warn_pragmas) Init(1) Warning |
b9b8dde3 DD |
670 | Warn about misuses of pragmas |
671 | ||
e8ff5196 TB |
672 | Wdate-time |
673 | Common Var(cpp_warn_date_time) Warning | |
674 | Warn about __TIME__, __DATE__ and __TIMESTAMP__ usage | |
675 | ||
9a179d01 NP |
676 | Wproperty-assign-default |
677 | ObjC ObjC++ Var(warn_property_assign_default) Init(1) Warning | |
678 | Warn if a property for an Objective-C object has no assign semantics specified | |
679 | ||
fef3106c | 680 | Wprotocol |
c662432e | 681 | ObjC ObjC++ Var(warn_protocol) Init(1) Warning |
f2ac9964 | 682 | Warn if inherited methods are unimplemented |
fef3106c NB |
683 | |
684 | Wredundant-decls | |
c662432e | 685 | C ObjC C++ ObjC++ Var(warn_redundant_decls) Warning |
5a170a05 | 686 | Warn about multiple declarations of the same object |
fef3106c NB |
687 | |
688 | Wreorder | |
f2bc201f | 689 | C++ ObjC++ Var(warn_reorder) Warning LangEnabledBy(C++ ObjC++,Wall) |
bae92bf3 | 690 | Warn when the compiler reorders code |
fef3106c | 691 | |
880661a4 JW |
692 | Wreturn-local-addr |
693 | C ObjC C++ ObjC++ Var(warn_return_local_addr) Init(1) Warning | |
694 | Warn about returning a pointer/reference to a local or temporary variable. | |
695 | ||
fef3106c | 696 | Wreturn-type |
4a0ae68e | 697 | C ObjC C++ ObjC++ Var(warn_return_type) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall) |
bae92bf3 | 698 | Warn whenever a function's return type defaults to \"int\" (C), or about inconsistent return types (C++) |
fef3106c NB |
699 | |
700 | Wselector | |
c662432e | 701 | ObjC ObjC++ Var(warn_selector) Warning |
f2ac9964 | 702 | Warn if a selector has multiple methods |
fef3106c | 703 | |
dcaaa5a0 | 704 | Wshadow-ivar |
dff8943f | 705 | ObjC ObjC++ Var(warn_shadow_ivar) EnabledBy(Wshadow) Init(1) Warning |
dcaaa5a0 DP |
706 | Warn if a local declaration hides an instance variable |
707 | ||
fef3106c | 708 | Wsequence-point |
4a0ae68e | 709 | C ObjC C++ ObjC++ Var(warn_sequence_point) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall) |
5a170a05 | 710 | Warn about possible violations of sequence point rules |
fef3106c NB |
711 | |
712 | Wsign-compare | |
4a0ae68e | 713 | C ObjC C++ ObjC++ Var(warn_sign_compare) Warning LangEnabledBy(C++ ObjC++,Wall) |
5a170a05 | 714 | Warn about signed-unsigned comparisons |
fef3106c | 715 | |
4a0ae68e MLI |
716 | Wsign-compare |
717 | C ObjC C++ ObjC++ EnabledBy(Wextra) | |
718 | ; | |
719 | ||
720 | Wsign-conversion | |
721 | C ObjC C++ ObjC++ Var(warn_sign_conversion) LangEnabledBy(C ObjC,Wconversion) | |
722 | Warn for implicit type conversions between signed and unsigned integers | |
723 | ||
fef3106c | 724 | Wsign-promo |
c662432e | 725 | C++ ObjC++ Var(warn_sign_promo) Warning |
bae92bf3 | 726 | Warn when overload promotes from unsigned to signed |
fef3106c | 727 | |
b2f97e4a | 728 | Wstrict-null-sentinel |
5498f011 | 729 | C++ ObjC++ Warning Var(warn_strict_null_sentinel) |
b2f97e4a MM |
730 | Warn about uncasted NULL used as sentinel |
731 | ||
fef3106c | 732 | Wstrict-prototypes |
c662432e | 733 | C ObjC Var(warn_strict_prototypes) Warning |
5a170a05 | 734 | Warn about unprototyped function declarations |
fef3106c | 735 | |
65d4f2cd MLI |
736 | Wstrict-aliasing= |
737 | C ObjC C++ ObjC++ LangEnabledBy(C ObjC C++ ObjC++,Wall, 3, 0) | |
738 | ; | |
739 | ||
740 | Wstrict-overflow= | |
741 | C ObjC C++ ObjC++ LangEnabledBy(C ObjC C++ ObjC++,Wall, 1, 0) | |
742 | ; | |
743 | ||
6e955430 | 744 | Wstrict-selector-match |
c662432e | 745 | ObjC ObjC++ Var(warn_strict_selector_match) Warning |
6e955430 ZL |
746 | Warn if type signatures of candidate methods do not match exactly |
747 | ||
23462d4d UB |
748 | Wsync-nand |
749 | C C++ Var(warn_sync_nand) Init(1) Warning | |
750 | Warn when __sync_fetch_and_nand and __sync_nand_and_fetch built-in functions are used | |
751 | ||
fef3106c | 752 | Wsynth |
c662432e | 753 | C++ ObjC++ Var(warn_synth) Warning |
802e3f8c | 754 | Deprecated. This switch has no effect |
fef3106c NB |
755 | |
756 | Wsystem-headers | |
c662432e | 757 | C ObjC C++ ObjC++ Warning |
9a0f3e86 | 758 | ; Documented in common.opt |
fef3106c NB |
759 | |
760 | Wtraditional | |
c662432e | 761 | C ObjC Var(warn_traditional) Warning |
72de27ea | 762 | Warn about features not present in traditional C |
fef3106c | 763 | |
05170031 | 764 | Wtraditional-conversion |
c662432e | 765 | C ObjC Var(warn_traditional_conversion) Warning |
05170031 MLI |
766 | Warn of prototypes causing type conversions different from what would happen in the absence of prototype |
767 | ||
fef3106c | 768 | Wtrigraphs |
c662432e | 769 | C ObjC C++ ObjC++ Warning |
72de27ea | 770 | Warn if trigraphs are encountered that might affect the meaning of the program |
fef3106c NB |
771 | |
772 | Wundeclared-selector | |
c662432e | 773 | ObjC ObjC++ Var(warn_undeclared_selector) Warning |
7619c085 | 774 | Warn about @selector()s without previously declared methods |
fef3106c NB |
775 | |
776 | Wundef | |
c662432e | 777 | C ObjC C++ ObjC++ Warning |
72de27ea | 778 | Warn if an undefined macro is used in an #if directive |
fef3106c | 779 | |
4a0ae68e MLI |
780 | Wuninitialized |
781 | C ObjC C++ ObjC++ LangEnabledBy(C ObjC C++ ObjC++,Wall) | |
782 | ; | |
783 | ||
784 | Wmaybe-uninitialized | |
785 | C ObjC C++ ObjC++ LangEnabledBy(C ObjC C++ ObjC++,Wall) | |
786 | ; | |
787 | ||
fef3106c | 788 | Wunknown-pragmas |
34a180a6 | 789 | C ObjC C++ ObjC++ Warning Var(warn_unknown_pragmas) LangEnabledBy(C ObjC C++ ObjC++,Wall, 1, 0) |
5a170a05 | 790 | Warn about unrecognized pragmas |
fef3106c | 791 | |
6ec637a4 JJ |
792 | Wunsuffixed-float-constants |
793 | C ObjC Var(warn_unsuffixed_float_constants) Warning | |
794 | Warn about unsuffixed float constants | |
795 | ||
4a0ae68e MLI |
796 | Wunused |
797 | C ObjC C++ ObjC++ LangEnabledBy(C ObjC C++ ObjC++,Wall) | |
798 | ; documented in common.opt | |
799 | ||
3797cb21 | 800 | Wunused-local-typedefs |
650dc14a | 801 | C ObjC C++ ObjC++ Var(warn_unused_local_typedefs) Warning EnabledBy(Wunused) |
93286335 | 802 | Warn when typedefs locally defined in a function are not used |
3797cb21 | 803 | |
fef3106c | 804 | Wunused-macros |
34a180a6 | 805 | C ObjC C++ ObjC++ Var(cpp_warn_unused_macros) Warning |
72de27ea | 806 | Warn about macros defined in the main file that are not used |
fef3106c | 807 | |
156f545a MLI |
808 | Wunused-result |
809 | C ObjC C++ ObjC++ Var(warn_unused_result) Init(1) Warning | |
810 | Warn if a caller of a function, marked with attribute warn_unused_result, does not use its return value | |
811 | ||
e5b79219 | 812 | Wvariadic-macros |
34a180a6 MLI |
813 | C ObjC C++ ObjC++ Var(cpp_warn_variadic_macros) Init(1) Warning |
814 | Warn about using variadic macros | |
e5b79219 | 815 | |
b9c8da34 DS |
816 | Wvarargs |
817 | C ObjC C++ ObjC++ Warning Var(warn_varargs) Init(1) | |
818 | Warn about questionable usage of the macros used to retrieve variable arguments | |
819 | ||
50d50fc7 SP |
820 | Wvla |
821 | C ObjC C++ ObjC++ Var(warn_vla) Init(-1) Warning | |
822 | Warn if a variable length array is used | |
823 | ||
16302daf | 824 | Wvolatile-register-var |
4a0ae68e | 825 | C ObjC C++ ObjC++ Var(warn_volatile_register_var) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall) |
16302daf MLI |
826 | Warn when a register variable is declared volatile |
827 | ||
f14edc1a JM |
828 | Wvirtual-move-assign |
829 | C++ ObjC++ Var(warn_virtual_move_assign) Warning Init(1) | |
830 | Warn if a virtual base has a non-trivial move assignment operator | |
831 | ||
fef3106c | 832 | Wwrite-strings |
c662432e | 833 | C ObjC C++ ObjC++ Var(warn_write_strings) Warning |
d8a07487 | 834 | 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 | 835 | |
89401152 PC |
836 | Wzero-as-null-pointer-constant |
837 | C++ ObjC++ Var(warn_zero_as_null_pointer_constant) Warning | |
838 | Warn when a literal '0' is used as null pointer | |
839 | ||
04398fa8 PC |
840 | Wuseless-cast |
841 | C++ ObjC++ Var(warn_useless_cast) Warning | |
842 | Warn about useless casts | |
843 | ||
fef3106c NB |
844 | ansi |
845 | C ObjC C++ ObjC++ | |
c85ce869 | 846 | A synonym for -std=c89 (for C) or -std=c++98 (for C++) |
fef3106c NB |
847 | |
848 | d | |
849 | C ObjC C++ ObjC++ Joined | |
72de27ea | 850 | ; Documented in common.opt. FIXME - what about -dI, -dD, -dN and -dD? |
fef3106c | 851 | |
62984918 JM |
852 | fabi-compat-version= |
853 | C++ ObjC++ Joined RejectNegative UInteger Var(flag_abi_compat_version) Init(-1) | |
854 | The version of the C++ ABI used for -Wabi warnings and link compatibility aliases | |
855 | ||
fef3106c | 856 | faccess-control |
5498f011 | 857 | C++ ObjC++ Var(flag_access_control) Init(1) |
bae92bf3 | 858 | Enforce class member access control semantics |
fef3106c | 859 | |
da5182be TQ |
860 | fada-spec-parent= |
861 | C ObjC C++ ObjC++ RejectNegative Joined Var(ada_specs_parent) | |
862 | -fada-spec-parent=unit Dump Ada specs as child units of given parent | |
863 | ||
fef3106c | 864 | fall-virtual |
2d2bd949 | 865 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
fef3106c | 866 | |
6637388f TG |
867 | fallow-parameterless-variadic-functions |
868 | C ObjC Var(flag_allow_parameterless_variadic_functions) | |
869 | Allow variadic functions without named parameter | |
870 | ||
fef3106c | 871 | falt-external-templates |
2d2bd949 | 872 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
d1779886 | 873 | No longer supported |
fef3106c NB |
874 | |
875 | fasm | |
5498f011 | 876 | C ObjC C++ ObjC++ Var(flag_no_asm, 0) |
5a170a05 | 877 | Recognize the \"asm\" keyword |
fef3106c | 878 | |
10e48e39 RO |
879 | ; Define extra predefined macros for use in libgcc. |
880 | fbuilding-libgcc | |
881 | C ObjC C++ ObjC++ Undocumented Var(flag_building_libgcc) | |
882 | ||
fef3106c | 883 | fbuiltin |
5498f011 | 884 | C ObjC C++ ObjC++ Var(flag_no_builtin, 0) |
5a170a05 | 885 | Recognize built-in functions |
fef3106c NB |
886 | |
887 | fbuiltin- | |
888 | C ObjC C++ ObjC++ Joined | |
889 | ||
5dc99c46 SB |
890 | fcanonical-system-headers |
891 | C ObjC C++ ObjC++ | |
892 | Where shorter, use canonicalized paths to systems headers. | |
893 | ||
36536d79 | 894 | fcilkplus |
b72271b9 | 895 | C ObjC C++ ObjC++ LTO Report Var(flag_cilkplus) Init(0) |
36536d79 BI |
896 | Enable Cilk Plus |
897 | ||
fef3106c NB |
898 | fcond-mismatch |
899 | C ObjC C++ ObjC++ | |
5a170a05 | 900 | Allow the arguments of the '?' operator to have different types |
fef3106c NB |
901 | |
902 | fconserve-space | |
5498f011 | 903 | C++ ObjC++ Var(flag_conserve_space) |
6f07a821 | 904 | Does nothing. Preserved for backward compatibility. |
fef3106c | 905 | |
fef3106c | 906 | fconstant-string-class= |
61ff2bdc | 907 | ObjC ObjC++ Joined MissingArgError(no class name specified with %qs) |
f2ac9964 | 908 | -fconst-string-class=<name> Use class <name> for constant strings |
fef3106c | 909 | |
17bc631c | 910 | fconstexpr-depth= |
49a000c3 JM |
911 | C++ ObjC++ Joined RejectNegative UInteger Var(max_constexpr_depth) Init(512) |
912 | -fconstexpr-depth=<number> Specify maximum constexpr recursion depth | |
17bc631c | 913 | |
847e697a TT |
914 | fdebug-cpp |
915 | C ObjC C++ ObjC++ | |
916 | Emit debug annotations during preprocessing | |
917 | ||
5f5babf1 | 918 | fdeduce-init-list |
15694fdd JM |
919 | C++ ObjC++ Var(flag_deduce_init_list) Init(0) |
920 | -fdeduce-init-list enable deduction of std::initializer_list for a template type parameter from a brace-enclosed initializer-list | |
5f5babf1 | 921 | |
1f26ac87 JM |
922 | fdeclone-ctor-dtor |
923 | C++ ObjC++ Var(flag_declone_ctor_dtor) Init(-1) | |
924 | Factor complex constructors and destructors to favor space over speed | |
925 | ||
fef3106c | 926 | fdefault-inline |
2d2bd949 | 927 | C++ ObjC++ Ignore |
5498f011 | 928 | Does nothing. Preserved for backward compatibility. |
fef3106c | 929 | |
ccfc4c91 OW |
930 | fdirectives-only |
931 | C ObjC C++ ObjC++ | |
932 | Preprocess directives only. | |
933 | ||
fef3106c NB |
934 | fdollars-in-identifiers |
935 | C ObjC C++ ObjC++ | |
72de27ea | 936 | Permit '$' as an identifier character |
fef3106c | 937 | |
3b78de56 AC |
938 | fdump-ada-spec |
939 | C ObjC C++ ObjC++ RejectNegative Var(flag_dump_ada_spec) | |
940 | Write all declarations as Ada code transitively | |
941 | ||
942 | fdump-ada-spec-slim | |
943 | C ObjC C++ ObjC++ RejectNegative Var(flag_dump_ada_spec_slim) | |
944 | Write all declarations as Ada code for the given file only | |
945 | ||
fef3106c | 946 | felide-constructors |
5498f011 | 947 | C++ ObjC++ Var(flag_elide_constructors) Init(1) |
fef3106c NB |
948 | |
949 | fenforce-eh-specs | |
5498f011 | 950 | C++ ObjC++ Var(flag_enforce_eh_specs) Init(1) |
bae92bf3 | 951 | Generate code to check exception specifications |
fef3106c NB |
952 | |
953 | fenum-int-equiv | |
2d2bd949 | 954 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
fef3106c | 955 | |
e6cc3a24 ZW |
956 | fexec-charset= |
957 | C ObjC C++ ObjC++ Joined RejectNegative | |
72de27ea | 958 | -fexec-charset=<cset> Convert all strings and character constants to character set <cset> |
e6cc3a24 | 959 | |
af15a2fe JM |
960 | fextended-identifiers |
961 | C ObjC C++ ObjC++ | |
962 | Permit universal character names (\\u and \\U) in identifiers | |
963 | ||
16dd5cfe EC |
964 | finput-charset= |
965 | C ObjC C++ ObjC++ Joined RejectNegative | |
c85ce869 | 966 | -finput-charset=<cset> Specify the default character set for source files |
16dd5cfe | 967 | |
5af057d8 JM |
968 | fextern-tls-init |
969 | C++ ObjC++ Var(flag_extern_tls_init) Init(-1) | |
970 | Support dynamic initialization of thread-local variables in a different translation unit | |
16dd5cfe | 971 | |
fef3106c | 972 | fexternal-templates |
2d2bd949 | 973 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
fef3106c | 974 | |
fef3106c | 975 | ffor-scope |
5498f011 | 976 | C++ ObjC++ Var(flag_new_for_scope) Init(1) |
bae92bf3 | 977 | Scope of for-init-statement variables is local to the loop |
fef3106c NB |
978 | |
979 | ffreestanding | |
820b51ae | 980 | C ObjC C++ ObjC++ |
5a170a05 | 981 | Do not assume that standard C libraries and \"main\" exist |
fef3106c NB |
982 | |
983 | fgnu-keywords | |
5498f011 | 984 | C++ ObjC++ Var(flag_no_gnu_keywords, 0) |
bae92bf3 | 985 | Recognize GNU-defined keywords |
fef3106c NB |
986 | |
987 | fgnu-runtime | |
fb5610fb | 988 | ObjC ObjC++ LTO Report RejectNegative Var(flag_next_runtime,0) Init(NEXT_OBJC_RUNTIME) |
f2ac9964 | 989 | Generate code for GNU runtime environment |
fef3106c | 990 | |
da1c7394 | 991 | fgnu89-inline |
2cbac420 | 992 | C ObjC Var(flag_gnu89_inline) Init(-1) |
da1c7394 ILT |
993 | Use traditional GNU semantics for inline functions |
994 | ||
fef3106c | 995 | fguiding-decls |
2d2bd949 | 996 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
fef3106c NB |
997 | |
998 | fhandle-exceptions | |
2d2bd949 | 999 | C++ ObjC++ Optimization Alias(fexceptions) Warn({-fhandle-exceptions has been renamed -fexceptions (and is now on by default)}) |
fef3106c NB |
1000 | |
1001 | fhonor-std | |
2d2bd949 | 1002 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
fef3106c NB |
1003 | |
1004 | fhosted | |
1005 | C ObjC | |
5a170a05 | 1006 | Assume normal C execution environment |
fef3106c NB |
1007 | |
1008 | fhuge-objects | |
2d2bd949 | 1009 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
d1779886 | 1010 | No longer supported |
fef3106c NB |
1011 | |
1012 | fimplement-inlines | |
5498f011 | 1013 | C++ ObjC++ Var(flag_implement_inlines) Init(1) |
bae92bf3 | 1014 | Export functions even if they can be inlined |
fef3106c NB |
1015 | |
1016 | fimplicit-inline-templates | |
5498f011 | 1017 | C++ ObjC++ Var(flag_implicit_inline_templates) Init(1) |
bae92bf3 | 1018 | Emit implicit instantiations of inline templates |
fef3106c NB |
1019 | |
1020 | fimplicit-templates | |
5498f011 | 1021 | C++ ObjC++ Var(flag_implicit_templates) Init(1) |
bae92bf3 | 1022 | Emit implicit instantiations of templates |
fef3106c | 1023 | |
d63d5d0c | 1024 | ffriend-injection |
2cbac420 | 1025 | C++ ObjC++ Var(flag_friend_injection) |
d63d5d0c ILT |
1026 | Inject friend functions into enclosing namespace |
1027 | ||
47ea1edf DK |
1028 | fkeep-inline-dllexport |
1029 | C C++ ObjC ObjC++ Var(flag_keep_inline_dllexport) Init(1) Report Condition(TARGET_DLLIMPORT_DECL_ATTRIBUTES) | |
1030 | Don't emit dllexported inline functions unless needed | |
1031 | ||
fef3106c | 1032 | flabels-ok |
2d2bd949 | 1033 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
fef3106c | 1034 | |
00c8e9f6 | 1035 | flax-vector-conversions |
5498f011 | 1036 | C ObjC C++ ObjC++ Var(flag_lax_vector_conversions) |
00c8e9f6 MS |
1037 | Allow implicit conversions between vectors with differing numbers of subparts and/or differing element types. |
1038 | ||
fef3106c | 1039 | fms-extensions |
5498f011 | 1040 | C ObjC C++ ObjC++ Var(flag_ms_extensions) |
bae92bf3 | 1041 | Don't warn about uses of Microsoft extensions |
fef3106c | 1042 | |
5720c0dc | 1043 | fmudflap |
98906124 | 1044 | C ObjC C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
5720c0dc RG |
1045 | |
1046 | fmudflapth | |
98906124 | 1047 | C ObjC C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
5720c0dc RG |
1048 | |
1049 | fmudflapir | |
98906124 | 1050 | C ObjC C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
5720c0dc | 1051 | |
fef3106c | 1052 | fname-mangling-version- |
2d2bd949 | 1053 | C++ ObjC++ Joined Ignore Warn(switch %qs is no longer supported) |
fef3106c NB |
1054 | |
1055 | fnew-abi | |
2d2bd949 | 1056 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
fef3106c NB |
1057 | |
1058 | fnext-runtime | |
fb5610fb | 1059 | ObjC ObjC++ LTO Report RejectNegative Var(flag_next_runtime) |
264fa2db ZL |
1060 | Generate code for NeXT (Apple Mac OS X) runtime environment |
1061 | ||
1062 | fnil-receivers | |
5498f011 | 1063 | ObjC ObjC++ Var(flag_nil_receivers) Init(1) |
264fa2db | 1064 | Assume that receivers of Objective-C messages may be nil |
fef3106c | 1065 | |
dcaaa5a0 DP |
1066 | flocal-ivars |
1067 | ObjC ObjC++ Var(flag_local_ivars) Init(1) | |
1068 | Allow access to instance variables as if they were local declarations within instance method implementations. | |
1069 | ||
1070 | fivar-visibility= | |
1071 | ObjC ObjC++ Joined RejectNegative Enum(ivar_visibility) Var(default_ivar_visibility) Init(IVAR_VISIBILITY_PROTECTED) | |
1072 | -fvisibility=[private|protected|public|package] Set the default symbol visibility | |
1073 | ||
1074 | Enum | |
1075 | Name(ivar_visibility) Type(enum ivar_visibility) UnknownError(unrecognized ivar visibility value %qs) | |
1076 | ||
1077 | EnumValue | |
1078 | Enum(ivar_visibility) String(private) Value(IVAR_VISIBILITY_PRIVATE) | |
1079 | ||
1080 | EnumValue | |
1081 | Enum(ivar_visibility) String(protected) Value(IVAR_VISIBILITY_PROTECTED) | |
1082 | ||
1083 | EnumValue | |
1084 | Enum(ivar_visibility) String(public) Value(IVAR_VISIBILITY_PUBLIC) | |
1085 | ||
1086 | EnumValue | |
1087 | Enum(ivar_visibility) String(package) Value(IVAR_VISIBILITY_PACKAGE) | |
1088 | ||
fef3106c | 1089 | fnonansi-builtins |
5498f011 | 1090 | C++ ObjC++ Var(flag_no_nonansi_builtin, 0) |
fef3106c NB |
1091 | |
1092 | fnonnull-objects | |
2d2bd949 | 1093 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
fef3106c | 1094 | |
9feb3d6a JM |
1095 | fnothrow-opt |
1096 | C++ ObjC++ Optimization Var(flag_nothrow_opt) | |
1097 | Treat a throw() exception specification as noexcept to improve code size | |
1098 | ||
0a256240 | 1099 | fobjc-abi-version= |
fb5610fb | 1100 | ObjC ObjC++ LTO Joined Report RejectNegative UInteger Var(flag_objc_abi) |
0a256240 NP |
1101 | Specify which ABI to use for Objective-C family code and meta-data generation. |
1102 | ||
6e955430 ZL |
1103 | ; Generate special '- .cxx_construct' and '- .cxx_destruct' methods |
1104 | ; to initialize any non-POD ivars in Objective-C++ classes. | |
1105 | fobjc-call-cxx-cdtors | |
1106 | ObjC++ Var(flag_objc_call_cxx_cdtors) | |
1107 | Generate special Objective-C methods to initialize/destroy non-POD C++ ivars, if needed | |
1108 | ||
1109 | fobjc-direct-dispatch | |
1110 | ObjC ObjC++ Var(flag_objc_direct_dispatch) | |
1111 | Allow fast jumps to the message dispatcher | |
1112 | ||
1113 | ; Nonzero means that we will allow new ObjC exception syntax (@throw, | |
1114 | ; @try, etc.) in source code. | |
264fa2db | 1115 | fobjc-exceptions |
6e955430 | 1116 | ObjC ObjC++ Var(flag_objc_exceptions) |
264fa2db ZL |
1117 | Enable Objective-C exception and synchronization syntax |
1118 | ||
6e955430 | 1119 | fobjc-gc |
fb5610fb | 1120 | ObjC ObjC++ LTO Var(flag_objc_gc) |
6e955430 ZL |
1121 | Enable garbage collection (GC) in Objective-C/Objective-C++ programs |
1122 | ||
0a256240 NP |
1123 | fobjc-nilcheck |
1124 | ObjC ObjC++ Var(flag_objc_nilcheck,1) | |
1125 | Enable inline checks for nil receivers with the NeXT runtime and ABI version 2. | |
1126 | ||
6e955430 | 1127 | ; Nonzero means that we generate NeXT setjmp based exceptions. |
093c7153 | 1128 | fobjc-sjlj-exceptions |
6e955430 | 1129 | ObjC ObjC++ Var(flag_objc_sjlj_exceptions) Init(-1) |
093c7153 RH |
1130 | Enable Objective-C setjmp exception handling runtime |
1131 | ||
22d8d616 NP |
1132 | fobjc-std=objc1 |
1133 | ObjC ObjC++ Var(flag_objc1_only) | |
1134 | Conform to the Objective-C 1.0 language as implemented in GCC 4.0 | |
1135 | ||
953ff289 DN |
1136 | fopenmp |
1137 | C ObjC C++ ObjC++ Var(flag_openmp) | |
9a0f3e86 | 1138 | Enable OpenMP (implies -frecursive in Fortran) |
953ff289 | 1139 | |
6d7f7e0a TB |
1140 | fopenmp-simd |
1141 | C ObjC C++ ObjC++ Var(flag_openmp_simd) | |
1142 | Enable OpenMP's SIMD directives | |
1143 | ||
fef3106c NB |
1144 | foperator-names |
1145 | C++ ObjC++ | |
1cbc62c0 | 1146 | Recognize C++ keywords like \"compl\" and \"xor\" |
fef3106c NB |
1147 | |
1148 | foptional-diags | |
2d2bd949 | 1149 | C++ ObjC++ Ignore |
5498f011 | 1150 | Does nothing. Preserved for backward compatibility. |
fef3106c NB |
1151 | |
1152 | fpch-deps | |
1153 | C ObjC C++ ObjC++ | |
1154 | ||
c0d578e6 GK |
1155 | fpch-preprocess |
1156 | C ObjC C++ ObjC++ | |
1157 | Look for and use PCH files even when preprocessing | |
1158 | ||
fef3106c | 1159 | fpermissive |
0c3641b0 | 1160 | C++ ObjC++ Var(flag_permissive) |
bae92bf3 | 1161 | Downgrade conformance errors to warnings |
fef3106c | 1162 | |
478a1c5b ILT |
1163 | fplan9-extensions |
1164 | C ObjC Var(flag_plan9_extensions) | |
1165 | Enable Plan 9 language extensions | |
1166 | ||
fef3106c NB |
1167 | fpreprocessed |
1168 | C ObjC C++ ObjC++ | |
72de27ea | 1169 | Treat the input file as already preprocessed |
fef3106c | 1170 | |
92582b75 TT |
1171 | ftrack-macro-expansion |
1172 | C ObjC C++ ObjC++ JoinedOrMissing RejectNegative UInteger | |
1173 | ; converted into ftrack-macro-expansion= | |
1174 | ||
1175 | ftrack-macro-expansion= | |
1176 | C ObjC C++ ObjC++ JoinedOrMissing RejectNegative UInteger | |
1177 | -ftrack-macro-expansion=<0|1|2> Track locations of tokens coming from macro expansion and display them in error messages | |
1178 | ||
6ea2bd47 | 1179 | fpretty-templates |
5498f011 | 1180 | C++ ObjC++ Var(flag_pretty_templates) Init(1) |
6ea2bd47 JM |
1181 | -fno-pretty-templates Do not pretty-print template specializations as the template signature followed by the arguments |
1182 | ||
264fa2db | 1183 | freplace-objc-classes |
fb5610fb | 1184 | ObjC ObjC++ LTO Var(flag_replace_objc_classes) |
264fa2db ZL |
1185 | Used in Fix-and-Continue mode to indicate that object files may be swapped in at runtime |
1186 | ||
fef3106c NB |
1187 | frepo |
1188 | C++ ObjC++ | |
bae92bf3 | 1189 | Enable automatic template instantiation |
fef3106c NB |
1190 | |
1191 | frtti | |
5498f011 | 1192 | C++ ObjC++ Optimization Var(flag_rtti) Init(1) |
bae92bf3 | 1193 | Generate run time type descriptor information |
fef3106c NB |
1194 | |
1195 | fshort-double | |
f42c637e | 1196 | C ObjC C++ ObjC++ LTO Optimization Var(flag_short_double) |
5a170a05 | 1197 | Use the same size for double as for float |
fef3106c NB |
1198 | |
1199 | fshort-enums | |
5498f011 | 1200 | C ObjC C++ ObjC++ Optimization Var(flag_short_enums) |
5a170a05 | 1201 | Use the narrowest integer type possible for enumeration types |
fef3106c NB |
1202 | |
1203 | fshort-wchar | |
5498f011 | 1204 | C ObjC C++ ObjC++ Optimization Var(flag_short_wchar) |
5a170a05 | 1205 | Force the underlying type for \"wchar_t\" to be \"unsigned short\" |
fef3106c | 1206 | |
fef3106c | 1207 | fsigned-bitfields |
5498f011 | 1208 | C ObjC C++ ObjC++ Var(flag_signed_bitfields) Init(1) |
5a170a05 | 1209 | When \"signed\" or \"unsigned\" is not given make the bitfield signed |
fef3106c NB |
1210 | |
1211 | fsigned-char | |
5498f011 | 1212 | C ObjC C++ ObjC++ LTO Var(flag_signed_char) |
5a170a05 | 1213 | Make \"char\" signed by default |
fef3106c NB |
1214 | |
1215 | fsquangle | |
2d2bd949 | 1216 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
fef3106c NB |
1217 | |
1218 | fstats | |
5498f011 | 1219 | C++ ObjC++ Var(flag_detailed_statistics) |
bae92bf3 | 1220 | Display statistics accumulated during compilation |
fef3106c | 1221 | |
cbb4feb3 JM |
1222 | fstrict-enums |
1223 | C++ ObjC++ Optimization Var(flag_strict_enums) | |
1224 | Assume that values of enumeration type are always within the minimum range of that type | |
1225 | ||
fef3106c | 1226 | fstrict-prototype |
2d2bd949 | 1227 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
fef3106c NB |
1228 | |
1229 | ftabstop= | |
7b086b11 | 1230 | C ObjC C++ ObjC++ Joined RejectNegative UInteger |
72de27ea | 1231 | -ftabstop=<number> Distance between tab stops for column reporting |
fef3106c | 1232 | |
a12bf402 MLI |
1233 | ftemplate-backtrace-limit= |
1234 | C++ ObjC++ Joined RejectNegative UInteger Var(template_backtrace_limit) Init(10) | |
1235 | Set the maximum number of template instantiation notes for a single warning or error | |
1236 | ||
fef3106c | 1237 | ftemplate-depth- |
5de8299c | 1238 | C++ ObjC++ Joined RejectNegative Undocumented Alias(ftemplate-depth=) |
124e0d27 MLI |
1239 | |
1240 | ftemplate-depth= | |
c22cacf3 | 1241 | C++ ObjC++ Joined RejectNegative UInteger |
124e0d27 | 1242 | -ftemplate-depth=<number> Specify maximum template instantiation depth |
fef3106c NB |
1243 | |
1244 | fthis-is-variable | |
2d2bd949 | 1245 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
fef3106c | 1246 | |
40aac948 | 1247 | fthreadsafe-statics |
5498f011 | 1248 | C++ ObjC++ Optimization Var(flag_threadsafe_statics) Init(1) |
c85ce869 | 1249 | -fno-threadsafe-statics Do not generate thread-safe code for initializing local statics |
40aac948 | 1250 | |
fef3106c | 1251 | funsigned-bitfields |
f0036cca | 1252 | C ObjC C++ ObjC++ Var(flag_signed_bitfields, 0) |
5a170a05 | 1253 | When \"signed\" or \"unsigned\" is not given make the bitfield unsigned |
fef3106c NB |
1254 | |
1255 | funsigned-char | |
f0036cca | 1256 | C ObjC C++ ObjC++ LTO Var(flag_signed_char, 0) |
5a170a05 | 1257 | Make \"char\" unsigned by default |
fef3106c NB |
1258 | |
1259 | fuse-cxa-atexit | |
5498f011 | 1260 | C++ ObjC++ Var(flag_use_cxa_atexit) Init(DEFAULT_USE_CXA_ATEXIT) |
bae92bf3 | 1261 | Use __cxa_atexit to register destructors |
fef3106c | 1262 | |
c7b5e395 | 1263 | fuse-cxa-get-exception-ptr |
5498f011 | 1264 | C++ ObjC++ Var(flag_use_cxa_get_exception_ptr) Init(2) |
c7b5e395 GK |
1265 | Use __cxa_get_exception_ptr in exception handling |
1266 | ||
d7afec4b | 1267 | fvisibility-inlines-hidden |
d0b07283 | 1268 | C++ ObjC++ |
fb9120e3 | 1269 | Marks all inlined functions and methods as having hidden visibility |
d7afec4b | 1270 | |
ddbfd28d GK |
1271 | fvisibility-ms-compat |
1272 | C++ ObjC++ Var(flag_visibility_ms_compat) | |
1273 | Changes visibility to match Microsoft Visual Studio by default | |
1274 | ||
fef3106c | 1275 | fvtable-gc |
2d2bd949 | 1276 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
d1779886 | 1277 | No longer supported |
fef3106c NB |
1278 | |
1279 | fvtable-thunks | |
2d2bd949 | 1280 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
d1779886 | 1281 | No longer supported |
fef3106c NB |
1282 | |
1283 | fweak | |
5498f011 | 1284 | C++ ObjC++ Var(flag_weak) Init(1) |
bae92bf3 | 1285 | Emit common-like symbols as weak symbols |
fef3106c | 1286 | |
e6cc3a24 ZW |
1287 | fwide-exec-charset= |
1288 | C ObjC C++ ObjC++ Joined RejectNegative | |
72de27ea | 1289 | -fwide-exec-charset=<cset> Convert all wide strings and character constants to character set <cset> |
e6cc3a24 | 1290 | |
b20d9f0c | 1291 | fworking-directory |
5498f011 | 1292 | C ObjC C++ ObjC++ Var(flag_working_directory) Init(-1) |
b20d9f0c AO |
1293 | Generate a #line directive pointing at the current working directory |
1294 | ||
fef3106c | 1295 | fxref |
2d2bd949 | 1296 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
d1779886 | 1297 | No longer supported |
fef3106c | 1298 | |
264fa2db | 1299 | fzero-link |
5498f011 | 1300 | ObjC ObjC++ Var(flag_zero_link) |
264fa2db ZL |
1301 | Generate lazy class lookup (via objc_getClass()) for use in Zero-Link mode |
1302 | ||
fef3106c | 1303 | gen-decls |
5498f011 | 1304 | ObjC ObjC++ Var(flag_gen_declaration) |
f2ac9964 | 1305 | Dump declarations to a .decl file |
fef3106c | 1306 | |
39ef6592 LC |
1307 | femit-struct-debug-baseonly |
1308 | C ObjC C++ ObjC++ | |
1309 | -femit-struct-debug-baseonly Aggressive reduced debug info for structs | |
1310 | ||
1311 | femit-struct-debug-reduced | |
1312 | C ObjC C++ ObjC++ | |
1313 | -femit-struct-debug-reduced Conservative reduced debug info for structs | |
1314 | ||
1315 | femit-struct-debug-detailed= | |
1316 | C ObjC C++ ObjC++ Joined | |
1317 | -femit-struct-debug-detailed=<spec-list> Detailed reduced debug info for structs | |
1318 | ||
a4a0016d ESR |
1319 | fext-numeric-literals |
1320 | C++ ObjC++ | |
1321 | Interpret imaginary, fixed-point, or other gnu number suffix as the corresponding | |
1322 | number literal rather than a user-defined number literal. | |
1323 | ||
fef3106c | 1324 | idirafter |
61ff2bdc | 1325 | C ObjC C++ ObjC++ Joined Separate MissingArgError(missing path after %qs) |
72de27ea | 1326 | -idirafter <dir> Add <dir> to the end of the system include path |
fef3106c NB |
1327 | |
1328 | imacros | |
61ff2bdc | 1329 | C ObjC C++ ObjC++ Joined Separate MissingArgError(missing filename after %qs) |
72de27ea | 1330 | -imacros <file> Accept definition of macros in <file> |
fef3106c | 1331 | |
2b6dd222 JM |
1332 | imultilib |
1333 | C ObjC C++ ObjC++ Joined Separate | |
f94e1d66 | 1334 | -imultilib <dir> Set <dir> to be the multilib include subdirectory |
2b6dd222 | 1335 | |
fef3106c | 1336 | include |
61ff2bdc | 1337 | C ObjC C++ ObjC++ Joined Separate MissingArgError(missing filename after %qs) |
72de27ea | 1338 | -include <file> Include the contents of <file> before other files |
fef3106c NB |
1339 | |
1340 | iprefix | |
1341 | C ObjC C++ ObjC++ Joined Separate | |
72de27ea | 1342 | -iprefix <path> Specify <path> as a prefix for next two options |
fef3106c NB |
1343 | |
1344 | isysroot | |
61ff2bdc | 1345 | C ObjC C++ ObjC++ Joined Separate MissingArgError(missing path after %qs) |
72de27ea | 1346 | -isysroot <dir> Set <dir> to be the system root directory |
fef3106c NB |
1347 | |
1348 | isystem | |
61ff2bdc | 1349 | C ObjC C++ ObjC++ Joined Separate MissingArgError(missing path after %qs) |
72de27ea | 1350 | -isystem <dir> Add <dir> to the start of the system include path |
fef3106c | 1351 | |
4bed3787 | 1352 | iquote |
61ff2bdc | 1353 | C ObjC C++ ObjC++ Joined Separate MissingArgError(missing path after %qs) |
4bed3787 MS |
1354 | -iquote <dir> Add <dir> to the end of the quote include path |
1355 | ||
fef3106c NB |
1356 | iwithprefix |
1357 | C ObjC C++ ObjC++ Joined Separate | |
72de27ea | 1358 | -iwithprefix <dir> Add <dir> to the end of the system include path |
fef3106c NB |
1359 | |
1360 | iwithprefixbefore | |
1361 | C ObjC C++ ObjC++ Joined Separate | |
72de27ea | 1362 | -iwithprefixbefore <dir> Add <dir> to the end of the main include path |
fef3106c NB |
1363 | |
1364 | lang-asm | |
603349bf | 1365 | C Undocumented RejectDriver |
fef3106c | 1366 | |
e200444e JM |
1367 | no-integrated-cpp |
1368 | Driver | |
1369 | ||
fef3106c NB |
1370 | nostdinc |
1371 | C ObjC C++ ObjC++ | |
72de27ea | 1372 | Do not search standard system include directories (those specified with -isystem will still be used) |
fef3106c NB |
1373 | |
1374 | nostdinc++ | |
72de27ea NB |
1375 | C++ ObjC++ |
1376 | Do not search standard system include directories for C++ | |
fef3106c NB |
1377 | |
1378 | o | |
1379 | C ObjC C++ ObjC++ Joined Separate | |
72de27ea | 1380 | ; Documented in common.opt |
fef3106c NB |
1381 | |
1382 | pedantic | |
c1771a20 | 1383 | C ObjC C++ ObjC++ Alias(Wpedantic) |
72de27ea | 1384 | ; Documented in common.opt |
fef3106c | 1385 | |
fef3106c NB |
1386 | print-objc-runtime-info |
1387 | ObjC ObjC++ | |
f2ac9964 | 1388 | Generate C header of platform-specific features |
fef3106c NB |
1389 | |
1390 | remap | |
1391 | C ObjC C++ ObjC++ | |
72de27ea | 1392 | Remap file names when including files |
fef3106c NB |
1393 | |
1394 | std=c++98 | |
1395 | C++ ObjC++ | |
c7dc8804 JM |
1396 | Conform to the ISO 1998 C++ standard revised by the 2003 technical corrigendum |
1397 | ||
1398 | std=c++03 | |
1399 | C++ ObjC++ Alias(std=c++98) | |
1400 | Conform to the ISO 1998 C++ standard revised by the 2003 technical corrigendum | |
fef3106c | 1401 | |
97e3ad20 | 1402 | std=c++11 |
966541e3 | 1403 | C++ ObjC++ |
70e24808 | 1404 | Conform to the ISO 2011 C++ standard |
97e3ad20 JM |
1405 | |
1406 | std=c++0x | |
70e24808 | 1407 | C++ ObjC++ Alias(std=c++11) Undocumented |
97e3ad20 | 1408 | Deprecated in favor of -std=c++11 |
966541e3 | 1409 | |
552b8185 JM |
1410 | std=c++1y |
1411 | C++ ObjC++ | |
70e24808 JM |
1412 | Conform to the ISO 2014(?) C++ draft standard (experimental and incomplete support) |
1413 | ||
1414 | std=c++14 | |
1415 | C++ ObjC++ Alias(std=c++1y) Undocumented | |
552b8185 | 1416 | |
48b0b196 | 1417 | std=c11 |
2778d766 | 1418 | C ObjC |
48b0b196 JM |
1419 | Conform to the ISO 2011 C standard (experimental and incomplete support) |
1420 | ||
1421 | std=c1x | |
1422 | C ObjC Alias(std=c11) | |
1423 | Deprecated in favor of -std=c11 | |
2778d766 | 1424 | |
fef3106c | 1425 | std=c89 |
5de8299c | 1426 | C ObjC Alias(std=c90) |
72de27ea | 1427 | Conform to the ISO 1990 C standard |
fef3106c | 1428 | |
7e1542b9 MLI |
1429 | std=c90 |
1430 | C ObjC | |
1431 | Conform to the ISO 1990 C standard | |
1432 | ||
fef3106c NB |
1433 | std=c99 |
1434 | C ObjC | |
72de27ea | 1435 | Conform to the ISO 1999 C standard |
fef3106c NB |
1436 | |
1437 | std=c9x | |
5de8299c | 1438 | C ObjC Alias(std=c99) |
72de27ea | 1439 | Deprecated in favor of -std=c99 |
fef3106c NB |
1440 | |
1441 | std=gnu++98 | |
1442 | C++ ObjC++ | |
97e3ad20 JM |
1443 | Conform to the ISO 1998 C++ standard revised by the 2003 technical |
1444 | corrigendum with GNU extensions | |
fef3106c | 1445 | |
97e3ad20 JM |
1446 | std=gnu++03 |
1447 | C++ ObjC++ Alias(std=gnu++98) | |
1448 | Conform to the ISO 1998 C++ standard revised by the 2003 technical | |
1449 | corrigendum with GNU extensions | |
1450 | ||
1451 | std=gnu++11 | |
966541e3 | 1452 | C++ ObjC++ |
97e3ad20 JM |
1453 | Conform to the ISO 2011 C++ standard with GNU extensions (experimental and incomplete support) |
1454 | ||
1455 | std=gnu++0x | |
1456 | C++ ObjC++ Alias(std=gnu++11) | |
1457 | Deprecated in favor of -std=gnu++11 | |
966541e3 | 1458 | |
552b8185 JM |
1459 | std=gnu++1y |
1460 | C++ ObjC++ | |
1461 | Conform to the ISO 201y(7?) C++ draft standard with GNU extensions (experimental and incomplete support) | |
1462 | ||
a07f6ed2 JM |
1463 | std=gnu++14 |
1464 | C++ ObjC++ Alias(std=gnu++1y) Undocumented | |
1465 | ||
48b0b196 | 1466 | std=gnu11 |
2778d766 | 1467 | C ObjC |
48b0b196 JM |
1468 | Conform to the ISO 2011 C standard with GNU extensions (experimental and incomplete support) |
1469 | ||
1470 | std=gnu1x | |
1471 | C ObjC Alias(std=gnu11) | |
1472 | Deprecated in favor of -std=gnu11 | |
2778d766 | 1473 | |
fef3106c | 1474 | std=gnu89 |
5de8299c | 1475 | C ObjC Alias(std=gnu90) |
72de27ea | 1476 | Conform to the ISO 1990 C standard with GNU extensions |
fef3106c | 1477 | |
7e1542b9 MLI |
1478 | std=gnu90 |
1479 | C ObjC | |
1480 | Conform to the ISO 1990 C standard with GNU extensions | |
1481 | ||
fef3106c NB |
1482 | std=gnu99 |
1483 | C ObjC | |
72de27ea | 1484 | Conform to the ISO 1999 C standard with GNU extensions |
fef3106c NB |
1485 | |
1486 | std=gnu9x | |
5de8299c | 1487 | C ObjC Alias(std=gnu99) |
72de27ea | 1488 | Deprecated in favor of -std=gnu99 |
fef3106c NB |
1489 | |
1490 | std=iso9899:1990 | |
5de8299c | 1491 | C ObjC Alias(std=c90) |
3a1e400e | 1492 | Conform to the ISO 1990 C standard |
fef3106c NB |
1493 | |
1494 | std=iso9899:199409 | |
1495 | C ObjC | |
72de27ea | 1496 | Conform to the ISO 1990 C standard as amended in 1994 |
fef3106c NB |
1497 | |
1498 | std=iso9899:1999 | |
5de8299c | 1499 | C ObjC Alias(std=c99) |
3a1e400e | 1500 | Conform to the ISO 1999 C standard |
fef3106c NB |
1501 | |
1502 | std=iso9899:199x | |
5de8299c | 1503 | C ObjC Alias(std=c99) |
3a1e400e | 1504 | Deprecated in favor of -std=iso9899:1999 |
fef3106c | 1505 | |
48b0b196 JM |
1506 | std=iso9899:2011 |
1507 | C ObjC Alias(std=c11) | |
1508 | Conform to the ISO 2011 C standard (experimental and incomplete support) | |
1509 | ||
e200444e JM |
1510 | traditional |
1511 | Driver | |
1512 | ||
fef3106c NB |
1513 | traditional-cpp |
1514 | C ObjC C++ ObjC++ | |
72de27ea | 1515 | Enable traditional preprocessing |
fef3106c NB |
1516 | |
1517 | trigraphs | |
1518 | C ObjC C++ ObjC++ | |
72de27ea | 1519 | -trigraphs Support ISO C trigraphs |
fef3106c NB |
1520 | |
1521 | undef | |
5498f011 | 1522 | C ObjC C++ ObjC++ Var(flag_undef) |
72de27ea | 1523 | Do not predefine system-specific and GCC-specific macros |
fef3106c NB |
1524 | |
1525 | v | |
d5478783 JM |
1526 | C ObjC C++ ObjC++ |
1527 | ; Documented in common.opt | |
fef3106c NB |
1528 | |
1529 | w | |
1530 | C ObjC C++ ObjC++ | |
72de27ea | 1531 | ; Documented in common.opt |
e11a4ae5 NB |
1532 | |
1533 | ; This comment is to ensure we retain the blank line above. |