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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 |
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 | ||
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 | |
04159acf MP |
290 | Wbool-compare |
291 | C ObjC C++ ObjC++ Var(warn_bool_compare) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall) | |
292 | Warn about boolean expression compared with an integer value different from true/false | |
293 | ||
c047ce93 | 294 | Wbuiltin-macro-redefined |
b559c810 | 295 | 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 |
296 | Warn when a built-in preprocessor macro is undefined or redefined |
297 | ||
f3bede71 | 298 | Wc90-c99-compat |
b559c810 | 299 | C ObjC CPP(cpp_warn_c90_c99_compat) CppReason(CPP_W_C90_C99_COMPAT) Var(warn_c90_c99_compat) Init(-1) Warning |
f3bede71 MP |
300 | Warn about features not present in ISO C90, but present in ISO C99 |
301 | ||
35aff4fb MP |
302 | Wc99-c11-compat |
303 | C ObjC Var(warn_c99_c11_compat) Init(-1) Warning | |
304 | Warn about features not present in ISO C99, but present in ISO C11 | |
305 | ||
b7e20b53 | 306 | Wc++-compat |
b559c810 | 307 | C ObjC Var(warn_cxx_compat) CPP(warn_cxx_operator_names) CppReason(CPP_W_CXX_OPERATOR_NAMES) Init(0) Warning |
b7e20b53 GDR |
308 | Warn about C constructs that are not in the common subset of C and C++ |
309 | ||
e1f1ee86 | 310 | Wc++0x-compat |
f2bc201f | 311 | C++ ObjC++ Var(warn_cxx0x_compat) Warning LangEnabledBy(C++ ObjC++,Wall) |
97e3ad20 JM |
312 | Deprecated in favor of -Wc++11-compat |
313 | ||
314 | Wc++11-compat | |
315 | C++ ObjC++ Warning Alias(Wc++0x-compat) | |
316 | Warn about C++ constructs whose meaning differs between ISO C++ 1998 and ISO C++ 2011 | |
b7e20b53 | 317 | |
fef3106c | 318 | Wcast-qual |
c662432e | 319 | C ObjC C++ ObjC++ Var(warn_cast_qual) Warning |
5a170a05 | 320 | Warn about casts which discard qualifiers |
fef3106c NB |
321 | |
322 | Wchar-subscripts | |
4a0ae68e | 323 | C ObjC C++ ObjC++ Var(warn_char_subscripts) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall) |
5a170a05 | 324 | Warn about subscripts whose type is \"char\" |
fef3106c | 325 | |
d5e254e1 IE |
326 | Wchkp |
327 | C ObjC C++ ObjC++ Var(warn_chkp) Warning EnabledBy(Wall) | |
328 | Warn about memory access errors found by Pointer Bounds Checker | |
329 | ||
2b001724 | 330 | Wclobbered |
95744782 | 331 | C ObjC C++ ObjC++ Var(warn_clobbered) Warning EnabledBy(Wextra) |
2b001724 MLI |
332 | Warn about variables that might be changed by \"longjmp\" or \"vfork\" |
333 | ||
fef3106c | 334 | Wcomment |
b559c810 | 335 | 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 | 336 | Warn about possibly nested block comments, and C++ comments spanning more than one physical line |
fef3106c NB |
337 | |
338 | Wcomments | |
5de8299c | 339 | C ObjC C++ ObjC++ Warning Alias(Wcomment) |
72de27ea | 340 | Synonym for -Wcomment |
fef3106c | 341 | |
dfeadaa0 PC |
342 | Wconditionally-supported |
343 | C++ ObjC++ Var(warn_conditionally_supported) Warning | |
344 | Warn for conditionally-supported constructs | |
345 | ||
fef3106c | 346 | Wconversion |
c662432e | 347 | C ObjC C++ ObjC++ Var(warn_conversion) Warning |
05170031 | 348 | Warn for implicit type conversions that may change a value |
fef3106c | 349 | |
17251338 MLI |
350 | Wconversion-null |
351 | C++ ObjC++ Var(warn_conversion_null) Init(1) Warning | |
352 | Warn for converting NULL from/to a non-pointer type | |
353 | ||
b559c810 MLI |
354 | Wcpp |
355 | C ObjC C++ ObjC++ CppReason(CPP_W_WARNING_DIRECTIVE) | |
356 | ; Documented in common.opt | |
357 | ||
fef3106c | 358 | Wctor-dtor-privacy |
c662432e | 359 | C++ ObjC++ Var(warn_ctor_dtor_privacy) Warning |
bae92bf3 | 360 | Warn when all constructors and destructors are private |
fef3106c | 361 | |
b559c810 MLI |
362 | Wdate-time |
363 | C ObjC C++ ObjC++ CPP(warn_date_time) CppReason(CPP_W_DATE_TIME) Var(cpp_warn_date_time) Init(0) Warning | |
364 | Warn about __TIME__, __DATE__ and __TIMESTAMP__ usage | |
365 | ||
85617eba | 366 | Wdeclaration-after-statement |
177cce46 | 367 | C ObjC Var(warn_declaration_after_statement) Init(-1) Warning |
85617eba HPN |
368 | Warn when a declaration is found after a statement |
369 | ||
c9b0866a PC |
370 | Wdelete-incomplete |
371 | C++ ObjC++ Var(warn_delete_incomplete) Init(1) Warning | |
372 | Warn when deleting a pointer to incomplete type | |
373 | ||
014ab419 | 374 | Wdelete-non-virtual-dtor |
27e51192 | 375 | C++ ObjC++ Var(warn_delnonvdtor) Warning LangEnabledBy(C++ ObjC++,Wall || Weffc++) |
014ab419 JW |
376 | Warn about deleting polymorphic objects with non-virtual destructors |
377 | ||
fef3106c | 378 | Wdeprecated |
b559c810 | 379 | C C++ ObjC ObjC++ CPP(cpp_warn_deprecated) CppReason(CPP_W_DEPRECATED) Var(warn_deprecated) Init(1) Warning |
9a0f3e86 | 380 | Warn if a deprecated compiler feature, class, method, or field is used |
fef3106c | 381 | |
976d5a22 TT |
382 | Wdesignated-init |
383 | C ObjC Var(warn_designated_init) Init(1) Warning | |
384 | Warn about positional initialization of structs requiring designated initializers | |
385 | ||
d00887e8 MP |
386 | Wdiscarded-qualifiers |
387 | C ObjC Var(warn_discarded_qualifiers) Init(1) Warning | |
388 | Warn if type qualifiers on pointers are discarded | |
389 | ||
fef3106c | 390 | Wdiv-by-zero |
2cbac420 | 391 | C ObjC C++ ObjC++ Var(warn_div_by_zero) Init(1) Warning |
5a170a05 | 392 | Warn about compile-time integer division by zero |
fef3106c NB |
393 | |
394 | Weffc++ | |
c662432e | 395 | C++ ObjC++ Var(warn_ecpp) Warning |
bae92bf3 | 396 | Warn about violations of Effective C++ style rules |
fef3106c | 397 | |
b3b433c5 | 398 | Wempty-body |
95744782 | 399 | C ObjC C++ ObjC++ Var(warn_empty_body) Warning EnabledBy(Wextra) |
b3b433c5 MLI |
400 | Warn about an empty body in an if or else statement |
401 | ||
fef3106c | 402 | Wendif-labels |
b559c810 | 403 | 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 | 404 | Warn about stray tokens after #elif and #endif |
fef3106c | 405 | |
a3299096 | 406 | Wenum-compare |
27e51192 | 407 | C ObjC C++ ObjC++ Var(warn_enum_compare) Init(-1) Warning LangEnabledBy(C ObjC,Wall || Wc++-compat) |
a3299096 MM |
408 | Warn about comparison of different enum types |
409 | ||
fef3106c NB |
410 | Werror |
411 | C ObjC C++ ObjC++ | |
72de27ea | 412 | ; Documented in common.opt |
fef3106c NB |
413 | |
414 | Werror-implicit-function-declaration | |
5de8299c | 415 | C ObjC RejectNegative Warning Alias(Werror=, implicit-function-declaration) |
dc90f45b | 416 | This switch is deprecated; use -Werror=implicit-function-declaration instead |
fef3106c | 417 | |
49b0aa18 JC |
418 | Wfloat-conversion |
419 | C ObjC C++ ObjC++ Var(warn_float_conversion) LangEnabledBy(C ObjC C++ ObjC++,Wconversion) | |
420 | Warn for implicit type conversions that cause loss of floating point precision | |
421 | ||
fef3106c | 422 | Wfloat-equal |
c662432e | 423 | C ObjC C++ ObjC++ Var(warn_float_equal) Warning |
5a170a05 | 424 | Warn if testing floating point numbers for equality |
fef3106c NB |
425 | |
426 | Wformat | |
7332899a | 427 | C ObjC C++ ObjC++ Warning Alias(Wformat=, 1, 0) |
5a170a05 | 428 | Warn about printf/scanf/strftime/strfmon format string anomalies |
fef3106c | 429 | |
7332899a MLI |
430 | Wformat-contains-nul |
431 | C ObjC C++ ObjC++ Var(warn_format_contains_nul) Warning LangEnabledBy(C ObjC C++ ObjC++,Wformat=, warn_format >= 1, 0) | |
432 | Warn about format strings that contain NUL bytes | |
433 | ||
fef3106c | 434 | Wformat-extra-args |
7332899a | 435 | C ObjC C++ ObjC++ Var(warn_format_extra_args) Warning LangEnabledBy(C ObjC C++ ObjC++,Wformat=, warn_format >= 1, 0) |
5a170a05 | 436 | Warn if passing too many arguments to a function for its format string |
fef3106c NB |
437 | |
438 | Wformat-nonliteral | |
7332899a | 439 | C ObjC C++ ObjC++ Var(warn_format_nonliteral) Warning LangEnabledBy(C ObjC C++ ObjC++,Wformat=, warn_format >= 2, 0) |
5a170a05 | 440 | Warn about format strings that are not literals |
fef3106c NB |
441 | |
442 | Wformat-security | |
7332899a | 443 | C ObjC C++ ObjC++ Var(warn_format_security) Warning LangEnabledBy(C ObjC C++ ObjC++,Wformat=, warn_format >= 2, 0) |
5a170a05 | 444 | Warn about possible security problems with format functions |
fef3106c | 445 | |
cbbd2b1c TB |
446 | Wformat-signedness |
447 | C ObjC C++ ObjC++ Var(warn_format_signedness) Warning LangEnabledBy(C ObjC C++ ObjC++,Wformat=, warn_format >= 2, 0) | |
448 | Warn about sign differences with format functions | |
449 | ||
fef3106c | 450 | Wformat-y2k |
7332899a | 451 | C ObjC C++ ObjC++ Var(warn_format_y2k) Warning LangEnabledBy(C ObjC C++ ObjC++,Wformat=,warn_format >= 2, 0) |
5a170a05 | 452 | Warn about strftime formats yielding 2-digit years |
fef3106c NB |
453 | |
454 | Wformat-zero-length | |
7332899a | 455 | C ObjC C++ ObjC++ Var(warn_format_zero_length) Warning LangEnabledBy(C ObjC C++ ObjC++,Wformat=,warn_format >= 1, 0) |
7619c085 | 456 | Warn about zero-length formats |
fef3106c NB |
457 | |
458 | Wformat= | |
7332899a MLI |
459 | C ObjC C++ ObjC++ Joined RejectNegative UInteger Var(warn_format) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall, 1, 0) |
460 | Warn about printf/scanf/strftime/strfmon format string anomalies | |
fef3106c | 461 | |
5db2e9ca | 462 | Wignored-qualifiers |
95744782 | 463 | C C++ Var(warn_ignored_qualifiers) Warning EnabledBy(Wextra) |
5db2e9ca DK |
464 | Warn whenever type qualifiers are ignored. |
465 | ||
d5c3d343 MP |
466 | Wincompatible-pointer-types |
467 | C ObjC Var(warn_incompatible_pointer_types) Init(1) Warning | |
468 | Warn when there is a conversion between pointers that have incompatible types | |
469 | ||
3390f9c9 | 470 | Winit-self |
0ccb505d | 471 | C ObjC C++ ObjC++ Var(warn_init_self) Warning LangEnabledBy(C++ ObjC++,Wall) |
ab532386 | 472 | Warn about variables which are initialized to themselves |
3390f9c9 | 473 | |
fef3106c | 474 | Wimplicit |
4a0ae68e | 475 | C ObjC Var(warn_implicit) Warning LangEnabledBy(C ObjC,Wall) |
3734d960 | 476 | Warn about implicit declarations |
fef3106c | 477 | |
0a0b3574 MM |
478 | Wdouble-promotion |
479 | C ObjC C++ ObjC++ Var(warn_double_promotion) Warning | |
480 | Warn about implicit conversions from \"float\" to \"double\" | |
481 | ||
fef3106c | 482 | Wimplicit-function-declaration |
4a0ae68e | 483 | C ObjC Var(warn_implicit_function_declaration) Init(-1) Warning LangEnabledBy(C ObjC,Wimplicit) |
5a170a05 | 484 | Warn about implicit function declarations |
fef3106c NB |
485 | |
486 | Wimplicit-int | |
92574c7c | 487 | C ObjC Var(warn_implicit_int) Init(-1) Warning LangEnabledBy(C ObjC,Wimplicit) |
5a170a05 | 488 | Warn when a declaration does not specify a type |
fef3106c NB |
489 | |
490 | Wimport | |
2d2bd949 | 491 | C ObjC C++ ObjC++ Undocumented Ignore |
fef3106c | 492 | |
4514a96b JM |
493 | Winherited-variadic-ctor |
494 | C++ ObjC++ Var(warn_inh_var_ctor) Init(1) Warning | |
495 | Warn about C++11 inheriting constructors when the base has a variadic constructor | |
496 | ||
52ec0ea3 MP |
497 | Wint-conversion |
498 | C ObjC Var(warn_int_conversion) Init(1) Warning | |
499 | Warn about incompatible integer to pointer and pointer to integer conversions | |
500 | ||
53a2494e | 501 | Wint-to-pointer-cast |
dc8d2739 | 502 | C ObjC C++ ObjC++ Var(warn_int_to_pointer_cast) Init(1) Warning |
53a2494e JM |
503 | Warn when there is a cast to a pointer from an integer of a different size |
504 | ||
fef3106c | 505 | Winvalid-offsetof |
c662432e | 506 | C++ ObjC++ Var(warn_invalid_offsetof) Init(1) Warning |
bae92bf3 | 507 | Warn about invalid uses of the \"offsetof\" macro |
fef3106c NB |
508 | |
509 | Winvalid-pch | |
b559c810 | 510 | C ObjC C++ ObjC++ CPP(warn_invalid_pch) CppReason(CPP_W_INVALID_PCH) Var(cpp_warn_invalid_pch) Init(0) Warning |
5a170a05 | 511 | Warn about PCH files that are found but not used |
fef3106c | 512 | |
e1b7793c | 513 | Wjump-misses-init |
f2bc201f | 514 | C ObjC Var(warn_jump_misses_init) Warning LangEnabledby(C ObjC,Wc++-compat) |
e1b7793c ILT |
515 | Warn when a jump misses a variable initialization |
516 | ||
7f5f5f98 | 517 | Wliteral-suffix |
b559c810 | 518 | C++ ObjC++ CPP(warn_literal_suffix) CppReason(CPP_W_LITERAL_SUFFIX) Var(cpp_warn_literal_suffix) Init(1) Warning |
7f5f5f98 OW |
519 | Warn when a string or character literal is followed by a ud-suffix which does not begin with an underscore. |
520 | ||
ca409efd | 521 | Wlogical-op |
7bb27074 | 522 | C ObjC C++ ObjC++ Var(warn_logical_op) Init(0) Warning |
ca409efd MLI |
523 | Warn when a logical operator is suspiciously always evaluating to true or false |
524 | ||
742938c9 | 525 | Wlogical-not-parentheses |
d2e4feca | 526 | C ObjC C++ ObjC++ Var(warn_logical_not_paren) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall) |
742938c9 MP |
527 | Warn when logical not is used on the left hand side operand of a comparison |
528 | ||
fef3106c | 529 | Wlong-long |
b559c810 | 530 | 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 | 531 | Do not warn about using \"long long\" when -pedantic |
fef3106c NB |
532 | |
533 | Wmain | |
34a180a6 | 534 | C ObjC C++ ObjC++ Var(warn_main) Init(-1) Warning LangEnabledBy(C ObjC,Wall, 2, 0) |
5a170a05 | 535 | Warn about suspicious declarations of \"main\" |
fef3106c | 536 | |
34a180a6 MLI |
537 | Wmain |
538 | LangEnabledBy(C ObjC C++ ObjC++,Wpedantic, 2, 0) | |
539 | ; | |
540 | ||
b108f48f JJ |
541 | Wmemset-transposed-args |
542 | C ObjC C++ ObjC++ Var(warn_memset_transposed_args) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall) | |
543 | Warn about suspicious calls to memset where the third argument is constant literal zero and the second is not | |
544 | ||
fef3106c | 545 | Wmissing-braces |
4f7f7aca | 546 | C ObjC C++ ObjC++ Var(warn_missing_braces) Warning LangEnabledBy(C ObjC,Wall) |
5a170a05 | 547 | Warn about possibly missing braces around initializers |
fef3106c NB |
548 | |
549 | Wmissing-declarations | |
c662432e | 550 | C ObjC C++ ObjC++ Var(warn_missing_declarations) Warning |
5a170a05 | 551 | Warn about global functions without previous declarations |
fef3106c | 552 | |
eaac4679 | 553 | Wmissing-field-initializers |
95744782 | 554 | C ObjC C++ ObjC++ Var(warn_missing_field_initializers) Warning EnabledBy(Wextra) |
eaac4679 RS |
555 | Warn about missing fields in struct initializers |
556 | ||
1a4049e7 | 557 | Wsizeof-pointer-memaccess |
4a0ae68e | 558 | C ObjC C++ ObjC++ Var(warn_sizeof_pointer_memaccess) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall) |
6577374e | 559 | Warn about suspicious length parameters to certain string functions if the argument uses sizeof |
1a4049e7 | 560 | |
773ec47f MP |
561 | Wsizeof-array-argument |
562 | C ObjC C++ ObjC++ Var(warn_sizeof_array_argument) Warning Init(1) | |
563 | Warn when sizeof is applied on a parameter declared as an array | |
564 | ||
90137d8f MLI |
565 | Wsuggest-attribute=format |
566 | C ObjC C++ ObjC++ Var(warn_suggest_attribute_format) Warning | |
5a170a05 | 567 | Warn about functions which might be candidates for format attributes |
fef3106c | 568 | |
34a180a6 MLI |
569 | Wswitch |
570 | C ObjC C++ ObjC++ Var(warn_switch) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall) | |
571 | Warn about enumerated switches, with no default, missing a case | |
572 | ||
573 | Wswitch-default | |
574 | C ObjC C++ ObjC++ Var(warn_switch_default) Warning | |
575 | Warn about enumerated switches missing a \"default:\" statement | |
576 | ||
577 | Wswitch-enum | |
578 | C ObjC C++ ObjC++ Var(warn_switch_enum) Warning | |
579 | Warn about all enumerated switches missing a specific case | |
580 | ||
fedfecef | 581 | Wswitch-bool |
5c3d09f7 | 582 | C ObjC C++ ObjC++ Var(warn_switch_bool) Warning Init(1) |
fedfecef MP |
583 | Warn about switches with boolean controlling expression |
584 | ||
90137d8f MLI |
585 | Wmissing-format-attribute |
586 | C ObjC C++ ObjC++ Alias(Wsuggest-attribute=format) | |
587 | ; | |
588 | ||
b02398bd | 589 | Wmissing-include-dirs |
b559c810 | 590 | 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 |
591 | Warn about user-specified include directories that do not exist |
592 | ||
cb4af25a | 593 | Wmissing-parameter-type |
95744782 | 594 | C ObjC Var(warn_missing_parameter_type) Warning EnabledBy(Wextra) |
cb4af25a MLI |
595 | Warn about function parameters declared without a type specifier in K&R-style functions |
596 | ||
fef3106c | 597 | Wmissing-prototypes |
c662432e | 598 | C ObjC Var(warn_missing_prototypes) Warning |
5a170a05 | 599 | Warn about global functions without prototypes |
fef3106c | 600 | |
5720c0dc | 601 | Wmudflap |
98906124 | 602 | C ObjC C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
5720c0dc | 603 | |
fef3106c | 604 | Wmultichar |
b559c810 | 605 | C ObjC C++ ObjC++ CPP(warn_multichar) CppReason(CPP_W_MULTICHAR) Var(cpp_warn_multichar) Init(0) Warning |
5a170a05 | 606 | Warn about use of multi-character character constants |
fef3106c | 607 | |
76f86d00 | 608 | Wnarrowing |
27e51192 | 609 | C ObjC C++ ObjC++ Warning Var(warn_narrowing) Init(-1) LangEnabledBy(C++ ObjC++,Wall || Wc++0x-compat) |
25339f10 | 610 | Warn about narrowing conversions within { } that are ill-formed in C++11 |
76f86d00 | 611 | |
fef3106c | 612 | Wnested-externs |
c662432e | 613 | C ObjC Var(warn_nested_externs) Warning |
5a170a05 | 614 | Warn about \"extern\" declarations not at file scope |
fef3106c | 615 | |
59f9c2ed JM |
616 | Wnoexcept |
617 | C++ ObjC++ Var(warn_noexcept) Warning | |
3c820dcd | 618 | Warn when a noexcept expression evaluates to false even though the expression can't actually throw |
59f9c2ed | 619 | |
fef3106c | 620 | Wnon-template-friend |
c662432e | 621 | C++ ObjC++ Var(warn_nontemplate_friend) Init(1) Warning |
bae92bf3 | 622 | Warn when non-templatized friend functions are declared within a template |
fef3106c NB |
623 | |
624 | Wnon-virtual-dtor | |
880a467b | 625 | C++ ObjC++ Var(warn_nonvdtor) Warning LangEnabledBy(C++ ObjC++,Weffc++) |
bae92bf3 | 626 | Warn about non-virtual destructors |
fef3106c NB |
627 | |
628 | Wnonnull | |
7332899a | 629 | C ObjC C++ ObjC++ Var(warn_nonnull) Warning LangEnabledBy(C ObjC C++ ObjC++,Wformat=,warn_format >= 1,0) |
7619c085 | 630 | Warn about NULL being passed to argument slots marked as requiring non-NULL |
fef3106c | 631 | |
7332899a MLI |
632 | Wnonnull |
633 | C ObjC C++ ObjC++ LangEnabledBy(C ObjC C++ ObjC++,Wall) | |
634 | ; | |
635 | ||
1ef33fd4 MLI |
636 | Wnormalized |
637 | C ObjC C++ ObjC++ Alias(Wnormalized=,nfc,none) | |
638 | ; | |
639 | ||
50668cf6 | 640 | Wnormalized= |
b559c810 | 641 | 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 |
642 | -Wnormalized=<none|id|nfc|nfkc> Warn about non-normalised Unicode strings |
643 | ||
644 | ; Required for these enum values. | |
645 | SourceInclude | |
646 | cpplib.h | |
647 | ||
648 | Enum | |
649 | Name(cpp_normalize_level) Type(int) UnknownError(argument %qs to %<-Wnormalized%> not recognized) | |
650 | ||
651 | EnumValue | |
652 | Enum(cpp_normalize_level) String(none) Value(normalized_none) | |
653 | ||
654 | EnumValue | |
655 | Enum(cpp_normalize_level) String(nfkc) Value(normalized_KC) | |
656 | ||
657 | EnumValue | |
658 | Enum(cpp_normalize_level) String(id) Value(normalized_identifier_C) | |
659 | ||
660 | EnumValue | |
661 | Enum(cpp_normalize_level) String(nfc) Value(normalized_C) | |
50668cf6 | 662 | |
fef3106c | 663 | Wold-style-cast |
c662432e | 664 | C++ ObjC++ Var(warn_old_style_cast) Warning |
bae92bf3 | 665 | Warn if a C-style cast is used in a program |
fef3106c | 666 | |
b1ed4cb4 | 667 | Wold-style-declaration |
95744782 | 668 | C ObjC Var(warn_old_style_declaration) Warning EnabledBy(Wextra) |
b1ed4cb4 MLI |
669 | Warn for obsolescent usage in a declaration |
670 | ||
c034f121 | 671 | Wold-style-definition |
c662432e | 672 | C ObjC Var(warn_old_style_definition) Warning |
c034f121 AJ |
673 | Warn if an old-style parameter definition is used |
674 | ||
8b5e1202 SO |
675 | Wopenmp-simd |
676 | C C++ Var(warn_openmp_simd) Warning LangEnabledBy(C C++,Wall) | |
677 | Warn if a simd directive is overridden by the vectorizer cost model | |
678 | ||
89a42ac8 | 679 | Woverlength-strings |
34a180a6 | 680 | C ObjC C++ ObjC++ Var(warn_overlength_strings) Warning LangEnabledBy(C ObjC C++ ObjC++,Wpedantic) |
89a42ac8 ZW |
681 | Warn if a string is longer than the maximum portable length specified by the standard |
682 | ||
fef3106c | 683 | Woverloaded-virtual |
c662432e | 684 | C++ ObjC++ Var(warn_overloaded_virtual) Warning |
bae92bf3 | 685 | Warn about overloaded virtual function names |
fef3106c | 686 | |
7ed322d7 | 687 | Woverride-init |
95744782 | 688 | C ObjC Var(warn_override_init) Warning EnabledBy(Wextra) |
7ed322d7 JM |
689 | Warn about overriding initializers without side effects |
690 | ||
2cd36c22 | 691 | Wpacked-bitfield-compat |
bee6fa6d | 692 | C ObjC C++ ObjC++ Var(warn_packed_bitfield_compat) Init(-1) Warning |
2cd36c22 AN |
693 | Warn about packed bit-fields whose offset changed in GCC 4.4 |
694 | ||
fef3106c | 695 | Wparentheses |
4a0ae68e | 696 | C ObjC C++ ObjC++ Var(warn_parentheses) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall) |
5a170a05 | 697 | Warn about possibly missing parentheses |
fef3106c | 698 | |
c1771a20 | 699 | Wpedantic |
b559c810 | 700 | C ObjC C++ ObjC++ CPP(cpp_pedantic) CppReason(CPP_W_PEDANTIC) Warning |
c1771a20 MLI |
701 | ; Documented in common.opt |
702 | ||
fef3106c | 703 | Wpmf-conversions |
c662432e | 704 | C++ ObjC++ Var(warn_pmf2ptr) Init(1) Warning |
bae92bf3 | 705 | Warn when converting the type of pointers to member functions |
fef3106c NB |
706 | |
707 | Wpointer-arith | |
44d90fe1 | 708 | C ObjC C++ ObjC++ Var(warn_pointer_arith) Warning LangEnabledBy(C ObjC C++ ObjC++,Wpedantic) |
5a170a05 | 709 | Warn about function pointer arithmetic |
fef3106c | 710 | |
4a0ae68e | 711 | Wpointer-sign |
27e51192 | 712 | C ObjC Var(warn_pointer_sign) Warning LangEnabledBy(C ObjC,Wall || Wpedantic) |
4a0ae68e MLI |
713 | Warn when a pointer differs in signedness in an assignment |
714 | ||
53a2494e | 715 | Wpointer-to-int-cast |
c662432e | 716 | C ObjC Var(warn_pointer_to_int_cast) Init(1) Warning |
53a2494e JM |
717 | Warn when a pointer is cast to an integer of a different size |
718 | ||
b9b8dde3 | 719 | Wpragmas |
c662432e | 720 | C ObjC C++ ObjC++ Var(warn_pragmas) Init(1) Warning |
b9b8dde3 DD |
721 | Warn about misuses of pragmas |
722 | ||
9a179d01 NP |
723 | Wproperty-assign-default |
724 | ObjC ObjC++ Var(warn_property_assign_default) Init(1) Warning | |
725 | Warn if a property for an Objective-C object has no assign semantics specified | |
726 | ||
fef3106c | 727 | Wprotocol |
c662432e | 728 | ObjC ObjC++ Var(warn_protocol) Init(1) Warning |
f2ac9964 | 729 | Warn if inherited methods are unimplemented |
fef3106c NB |
730 | |
731 | Wredundant-decls | |
c662432e | 732 | C ObjC C++ ObjC++ Var(warn_redundant_decls) Warning |
5a170a05 | 733 | Warn about multiple declarations of the same object |
fef3106c NB |
734 | |
735 | Wreorder | |
f2bc201f | 736 | C++ ObjC++ Var(warn_reorder) Warning LangEnabledBy(C++ ObjC++,Wall) |
bae92bf3 | 737 | Warn when the compiler reorders code |
fef3106c NB |
738 | |
739 | Wreturn-type | |
4a0ae68e | 740 | C ObjC C++ ObjC++ Var(warn_return_type) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall) |
bae92bf3 | 741 | Warn whenever a function's return type defaults to \"int\" (C), or about inconsistent return types (C++) |
fef3106c NB |
742 | |
743 | Wselector | |
c662432e | 744 | ObjC ObjC++ Var(warn_selector) Warning |
f2ac9964 | 745 | Warn if a selector has multiple methods |
fef3106c | 746 | |
13c21655 PC |
747 | Wsequence-point |
748 | C ObjC C++ ObjC++ Var(warn_sequence_point) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall) | |
749 | Warn about possible violations of sequence point rules | |
750 | ||
dcaaa5a0 | 751 | Wshadow-ivar |
dff8943f | 752 | ObjC ObjC++ Var(warn_shadow_ivar) EnabledBy(Wshadow) Init(1) Warning |
dcaaa5a0 DP |
753 | Warn if a local declaration hides an instance variable |
754 | ||
13c21655 PC |
755 | Wshift-count-negative |
756 | C ObjC C++ ObjC++ Var(warn_shift_count_negative) Init(1) Warning | |
757 | Warn if shift count is negative | |
758 | ||
759 | Wshift-count-overflow | |
760 | C ObjC C++ ObjC++ Var(warn_shift_count_overflow) Init(1) Warning | |
761 | Warn if shift count >= width of type | |
fef3106c NB |
762 | |
763 | Wsign-compare | |
4a0ae68e | 764 | C ObjC C++ ObjC++ Var(warn_sign_compare) Warning LangEnabledBy(C++ ObjC++,Wall) |
5a170a05 | 765 | Warn about signed-unsigned comparisons |
fef3106c | 766 | |
4a0ae68e MLI |
767 | Wsign-compare |
768 | C ObjC C++ ObjC++ EnabledBy(Wextra) | |
769 | ; | |
770 | ||
771 | Wsign-conversion | |
772 | C ObjC C++ ObjC++ Var(warn_sign_conversion) LangEnabledBy(C ObjC,Wconversion) | |
773 | Warn for implicit type conversions between signed and unsigned integers | |
774 | ||
fef3106c | 775 | Wsign-promo |
c662432e | 776 | C++ ObjC++ Var(warn_sign_promo) Warning |
bae92bf3 | 777 | Warn when overload promotes from unsigned to signed |
fef3106c | 778 | |
b2f97e4a | 779 | Wstrict-null-sentinel |
5498f011 | 780 | C++ ObjC++ Warning Var(warn_strict_null_sentinel) |
b2f97e4a MM |
781 | Warn about uncasted NULL used as sentinel |
782 | ||
fef3106c | 783 | Wstrict-prototypes |
c662432e | 784 | C ObjC Var(warn_strict_prototypes) Warning |
5a170a05 | 785 | Warn about unprototyped function declarations |
fef3106c | 786 | |
65d4f2cd MLI |
787 | Wstrict-aliasing= |
788 | C ObjC C++ ObjC++ LangEnabledBy(C ObjC C++ ObjC++,Wall, 3, 0) | |
789 | ; | |
790 | ||
791 | Wstrict-overflow= | |
792 | C ObjC C++ ObjC++ LangEnabledBy(C ObjC C++ ObjC++,Wall, 1, 0) | |
793 | ; | |
794 | ||
6e955430 | 795 | Wstrict-selector-match |
c662432e | 796 | ObjC ObjC++ Var(warn_strict_selector_match) Warning |
6e955430 ZL |
797 | Warn if type signatures of candidate methods do not match exactly |
798 | ||
23462d4d UB |
799 | Wsync-nand |
800 | C C++ Var(warn_sync_nand) Init(1) Warning | |
801 | Warn when __sync_fetch_and_nand and __sync_nand_and_fetch built-in functions are used | |
802 | ||
fef3106c | 803 | Wsynth |
c662432e | 804 | C++ ObjC++ Var(warn_synth) Warning |
802e3f8c | 805 | Deprecated. This switch has no effect |
fef3106c NB |
806 | |
807 | Wsystem-headers | |
c662432e | 808 | C ObjC C++ ObjC++ Warning |
9a0f3e86 | 809 | ; Documented in common.opt |
fef3106c NB |
810 | |
811 | Wtraditional | |
b559c810 | 812 | C ObjC CPP(cpp_warn_traditional) CppReason(CPP_W_TRADITIONAL) Var(warn_traditional) Init(0) Warning |
72de27ea | 813 | Warn about features not present in traditional C |
fef3106c | 814 | |
05170031 | 815 | Wtraditional-conversion |
c662432e | 816 | C ObjC Var(warn_traditional_conversion) Warning |
05170031 MLI |
817 | Warn of prototypes causing type conversions different from what would happen in the absence of prototype |
818 | ||
fef3106c | 819 | Wtrigraphs |
b559c810 | 820 | 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 | 821 | Warn if trigraphs are encountered that might affect the meaning of the program |
fef3106c NB |
822 | |
823 | Wundeclared-selector | |
c662432e | 824 | ObjC ObjC++ Var(warn_undeclared_selector) Warning |
7619c085 | 825 | Warn about @selector()s without previously declared methods |
fef3106c NB |
826 | |
827 | Wundef | |
b559c810 | 828 | C ObjC C++ ObjC++ CPP(warn_undef) CppReason(CPP_W_UNDEF) Var(cpp_warn_undef) Init(0) Warning |
72de27ea | 829 | Warn if an undefined macro is used in an #if directive |
fef3106c | 830 | |
4a0ae68e MLI |
831 | Wuninitialized |
832 | C ObjC C++ ObjC++ LangEnabledBy(C ObjC C++ ObjC++,Wall) | |
833 | ; | |
834 | ||
835 | Wmaybe-uninitialized | |
836 | C ObjC C++ ObjC++ LangEnabledBy(C ObjC C++ ObjC++,Wall) | |
837 | ; | |
838 | ||
fef3106c | 839 | Wunknown-pragmas |
34a180a6 | 840 | C ObjC C++ ObjC++ Warning Var(warn_unknown_pragmas) LangEnabledBy(C ObjC C++ ObjC++,Wall, 1, 0) |
5a170a05 | 841 | Warn about unrecognized pragmas |
fef3106c | 842 | |
6ec637a4 JJ |
843 | Wunsuffixed-float-constants |
844 | C ObjC Var(warn_unsuffixed_float_constants) Warning | |
845 | Warn about unsuffixed float constants | |
846 | ||
4a0ae68e MLI |
847 | Wunused |
848 | C ObjC C++ ObjC++ LangEnabledBy(C ObjC C++ ObjC++,Wall) | |
849 | ; documented in common.opt | |
850 | ||
3797cb21 | 851 | Wunused-local-typedefs |
650dc14a | 852 | C ObjC C++ ObjC++ Var(warn_unused_local_typedefs) Warning EnabledBy(Wunused) |
93286335 | 853 | Warn when typedefs locally defined in a function are not used |
3797cb21 | 854 | |
fef3106c | 855 | Wunused-macros |
b559c810 | 856 | C ObjC C++ ObjC++ CppReason(CPP_W_UNUSED_MACROS) Var(cpp_warn_unused_macros) Warning |
72de27ea | 857 | Warn about macros defined in the main file that are not used |
fef3106c | 858 | |
156f545a MLI |
859 | Wunused-result |
860 | C ObjC C++ ObjC++ Var(warn_unused_result) Init(1) Warning | |
861 | Warn if a caller of a function, marked with attribute warn_unused_result, does not use its return value | |
862 | ||
e5b79219 | 863 | Wvariadic-macros |
27e51192 | 864 | 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 | 865 | Warn about using variadic macros |
e5b79219 | 866 | |
b9c8da34 DS |
867 | Wvarargs |
868 | C ObjC C++ ObjC++ Warning Var(warn_varargs) Init(1) | |
869 | Warn about questionable usage of the macros used to retrieve variable arguments | |
870 | ||
50d50fc7 SP |
871 | Wvla |
872 | C ObjC C++ ObjC++ Var(warn_vla) Init(-1) Warning | |
873 | Warn if a variable length array is used | |
874 | ||
16302daf | 875 | Wvolatile-register-var |
4a0ae68e | 876 | C ObjC C++ ObjC++ Var(warn_volatile_register_var) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall) |
16302daf MLI |
877 | Warn when a register variable is declared volatile |
878 | ||
f14edc1a JM |
879 | Wvirtual-move-assign |
880 | C++ ObjC++ Var(warn_virtual_move_assign) Warning Init(1) | |
881 | Warn if a virtual base has a non-trivial move assignment operator | |
882 | ||
fef3106c | 883 | Wwrite-strings |
c662432e | 884 | C ObjC C++ ObjC++ Var(warn_write_strings) Warning |
d8a07487 | 885 | 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 | 886 | |
89401152 PC |
887 | Wzero-as-null-pointer-constant |
888 | C++ ObjC++ Var(warn_zero_as_null_pointer_constant) Warning | |
889 | Warn when a literal '0' is used as null pointer | |
890 | ||
04398fa8 PC |
891 | Wuseless-cast |
892 | C++ ObjC++ Var(warn_useless_cast) Warning | |
893 | Warn about useless casts | |
894 | ||
fef3106c NB |
895 | ansi |
896 | C ObjC C++ ObjC++ | |
c85ce869 | 897 | A synonym for -std=c89 (for C) or -std=c++98 (for C++) |
fef3106c NB |
898 | |
899 | d | |
900 | C ObjC C++ ObjC++ Joined | |
72de27ea | 901 | ; Documented in common.opt. FIXME - what about -dI, -dD, -dN and -dD? |
fef3106c | 902 | |
62984918 JM |
903 | fabi-compat-version= |
904 | C++ ObjC++ Joined RejectNegative UInteger Var(flag_abi_compat_version) Init(-1) | |
905 | The version of the C++ ABI used for -Wabi warnings and link compatibility aliases | |
906 | ||
fef3106c | 907 | faccess-control |
5498f011 | 908 | C++ ObjC++ Var(flag_access_control) Init(1) |
bae92bf3 | 909 | Enforce class member access control semantics |
fef3106c | 910 | |
da5182be TQ |
911 | fada-spec-parent= |
912 | C ObjC C++ ObjC++ RejectNegative Joined Var(ada_specs_parent) | |
913 | -fada-spec-parent=unit Dump Ada specs as child units of given parent | |
914 | ||
fef3106c | 915 | fall-virtual |
2d2bd949 | 916 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
fef3106c | 917 | |
6637388f TG |
918 | fallow-parameterless-variadic-functions |
919 | C ObjC Var(flag_allow_parameterless_variadic_functions) | |
920 | Allow variadic functions without named parameter | |
921 | ||
fef3106c | 922 | falt-external-templates |
2d2bd949 | 923 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
d1779886 | 924 | No longer supported |
fef3106c NB |
925 | |
926 | fasm | |
5498f011 | 927 | C ObjC C++ ObjC++ Var(flag_no_asm, 0) |
5a170a05 | 928 | Recognize the \"asm\" keyword |
fef3106c | 929 | |
10e48e39 RO |
930 | ; Define extra predefined macros for use in libgcc. |
931 | fbuilding-libgcc | |
932 | C ObjC C++ ObjC++ Undocumented Var(flag_building_libgcc) | |
933 | ||
fef3106c | 934 | fbuiltin |
5498f011 | 935 | C ObjC C++ ObjC++ Var(flag_no_builtin, 0) |
5a170a05 | 936 | Recognize built-in functions |
fef3106c NB |
937 | |
938 | fbuiltin- | |
939 | C ObjC C++ ObjC++ Joined | |
940 | ||
5dc99c46 SB |
941 | fcanonical-system-headers |
942 | C ObjC C++ ObjC++ | |
943 | Where shorter, use canonicalized paths to systems headers. | |
944 | ||
d5e254e1 IE |
945 | fcheck-pointer-bounds |
946 | Common Report Var(flag_check_pointer_bounds) | |
947 | Add Pointer Bounds Checker instrumentation. fchkp-* flags are used to | |
948 | control instrumentation. Currently available for C, C++ and ObjC. | |
949 | ||
950 | fchkp-check-incomplete-type | |
951 | C ObjC C++ ObjC++ Report Var(flag_chkp_incomplete_type) Init(1) | |
952 | Generate pointer bounds checks for variables with incomplete type | |
953 | ||
954 | fchkp-zero-input-bounds-for-main | |
955 | C ObjC C++ ObjC++ Report Var(flag_chkp_zero_input_bounds_for_main) Init(0) | |
956 | Use zero bounds for all incoming arguments in 'main' function. It helps when | |
957 | instrumented binaries are used with legacy libs. | |
958 | ||
959 | fchkp-first-field-has-own-bounds | |
960 | C ObjC C++ ObjC++ RejectNegative Report Var(flag_chkp_first_field_has_own_bounds) | |
961 | Forces Pointer Bounds Checker to use narrowed bounds for address of the first | |
962 | field in the structure. By default pointer to the first field has the same | |
963 | bounds as pointer to the whole structure. | |
964 | ||
965 | fchkp-narrow-bounds | |
966 | C ObjC C++ ObjC++ Report Var(flag_chkp_narrow_bounds) Init(1) | |
967 | Control how Pointer Bounds Checker handle pointers to object fields. When | |
968 | narrowing is on, field bounds are used. Otherwise full object bounds are used. | |
969 | ||
970 | fchkp-narrow-to-innermost-array | |
971 | C ObjC C++ ObjC++ RejectNegative Report Var(flag_chkp_narrow_to_innermost_arrray) | |
972 | Forces Pointer Bounds Checker to use bounds of the innermost arrays in case of | |
973 | nested static arryas access. By default outermost array is used. | |
974 | ||
975 | fchkp-optimize | |
976 | C ObjC C++ ObjC++ LTO Report Var(flag_chkp_optimize) Init(-1) | |
977 | Allow Pointer Bounds Checker optimizations. By default allowed | |
978 | on optimization levels >0. | |
979 | ||
980 | fchkp-use-fast-string-functions | |
981 | C ObjC C++ ObjC++ LTO Report Var(flag_chkp_use_fast_string_functions) Init(0) | |
982 | Allow to use *_nobnd versions of string functions by Pointer Bounds Checker. | |
983 | ||
984 | fchkp-use-nochk-string-functions | |
985 | C ObjC C++ ObjC++ LTO Report Var(flag_chkp_use_nochk_string_functions) Init(0) | |
986 | Allow to use *_nochk versions of string functions by Pointer Bounds Checker. | |
987 | ||
988 | fchkp-use-static-bounds | |
989 | C ObjC C++ ObjC++ Report Var(flag_chkp_use_static_bounds) Init(1) | |
990 | Use statically initialized variable for vars bounds instead of | |
991 | generating them each time it is required. | |
992 | ||
993 | fchkp-use-static-const-bounds | |
994 | C ObjC C++ ObjC++ Report Var(flag_chkp_use_static_const_bounds) Init(-1) | |
995 | Use statically initialized variable for constant bounds instead of | |
996 | generating them each time it is required. | |
997 | ||
998 | fchkp-treat-zero-dynamic-size-as-infinite | |
999 | C ObjC C++ ObjC++ Report Var(flag_chkp_zero_dynamic_size_as_infinite) Init(0) | |
1000 | With this option zero size obtained dynamically for objects with | |
1001 | incomplete type will be treated as infinite. | |
1002 | ||
1003 | fchkp-check-read | |
1004 | C ObjC C++ ObjC++ LTO Report Var(flag_chkp_check_read) Init(1) | |
1005 | Generate checks for all read accesses to memory. | |
1006 | ||
1007 | fchkp-check-write | |
1008 | C ObjC C++ ObjC++ LTO Report Var(flag_chkp_check_write) Init(1) | |
1009 | Generate checks for all write accesses to memory. | |
1010 | ||
1011 | fchkp-store-bounds | |
1012 | C ObjC C++ ObjC++ LTO Report Var(flag_chkp_store_bounds) Init(1) | |
1013 | Generate bounds stores for pointer writes. | |
1014 | ||
1015 | fchkp-instrument-calls | |
1016 | C ObjC C++ ObjC++ LTO Report Var(flag_chkp_instrument_calls) Init(1) | |
1017 | Generate bounds passing for calls. | |
1018 | ||
1019 | fchkp-instrument-marked-only | |
1020 | C ObjC C++ ObjC++ LTO Report Var(flag_chkp_instrument_marked_only) Init(0) | |
1021 | Instrument only functions marked with bnd_instrument attribute. | |
1022 | ||
36536d79 | 1023 | fcilkplus |
b72271b9 | 1024 | C ObjC C++ ObjC++ LTO Report Var(flag_cilkplus) Init(0) |
36536d79 BI |
1025 | Enable Cilk Plus |
1026 | ||
fef3106c NB |
1027 | fcond-mismatch |
1028 | C ObjC C++ ObjC++ | |
5a170a05 | 1029 | Allow the arguments of the '?' operator to have different types |
fef3106c NB |
1030 | |
1031 | fconserve-space | |
5498f011 | 1032 | C++ ObjC++ Var(flag_conserve_space) |
6f07a821 | 1033 | Does nothing. Preserved for backward compatibility. |
fef3106c | 1034 | |
fef3106c | 1035 | fconstant-string-class= |
61ff2bdc | 1036 | ObjC ObjC++ Joined MissingArgError(no class name specified with %qs) |
f2ac9964 | 1037 | -fconst-string-class=<name> Use class <name> for constant strings |
fef3106c | 1038 | |
17bc631c | 1039 | fconstexpr-depth= |
49a000c3 JM |
1040 | C++ ObjC++ Joined RejectNegative UInteger Var(max_constexpr_depth) Init(512) |
1041 | -fconstexpr-depth=<number> Specify maximum constexpr recursion depth | |
17bc631c | 1042 | |
847e697a TT |
1043 | fdebug-cpp |
1044 | C ObjC C++ ObjC++ | |
1045 | Emit debug annotations during preprocessing | |
1046 | ||
5f5babf1 | 1047 | fdeduce-init-list |
15694fdd JM |
1048 | C++ ObjC++ Var(flag_deduce_init_list) Init(0) |
1049 | -fdeduce-init-list enable deduction of std::initializer_list for a template type parameter from a brace-enclosed initializer-list | |
5f5babf1 | 1050 | |
1f26ac87 JM |
1051 | fdeclone-ctor-dtor |
1052 | C++ ObjC++ Var(flag_declone_ctor_dtor) Init(-1) | |
1053 | Factor complex constructors and destructors to favor space over speed | |
1054 | ||
fef3106c | 1055 | fdefault-inline |
2d2bd949 | 1056 | C++ ObjC++ Ignore |
5498f011 | 1057 | Does nothing. Preserved for backward compatibility. |
fef3106c | 1058 | |
ccfc4c91 OW |
1059 | fdirectives-only |
1060 | C ObjC C++ ObjC++ | |
1061 | Preprocess directives only. | |
1062 | ||
fef3106c NB |
1063 | fdollars-in-identifiers |
1064 | C ObjC C++ ObjC++ | |
72de27ea | 1065 | Permit '$' as an identifier character |
fef3106c | 1066 | |
3b78de56 AC |
1067 | fdump-ada-spec |
1068 | C ObjC C++ ObjC++ RejectNegative Var(flag_dump_ada_spec) | |
1069 | Write all declarations as Ada code transitively | |
1070 | ||
1071 | fdump-ada-spec-slim | |
1072 | C ObjC C++ ObjC++ RejectNegative Var(flag_dump_ada_spec_slim) | |
1073 | Write all declarations as Ada code for the given file only | |
1074 | ||
fef3106c | 1075 | felide-constructors |
5498f011 | 1076 | C++ ObjC++ Var(flag_elide_constructors) Init(1) |
fef3106c NB |
1077 | |
1078 | fenforce-eh-specs | |
5498f011 | 1079 | C++ ObjC++ Var(flag_enforce_eh_specs) Init(1) |
bae92bf3 | 1080 | Generate code to check exception specifications |
fef3106c NB |
1081 | |
1082 | fenum-int-equiv | |
2d2bd949 | 1083 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
fef3106c | 1084 | |
e6cc3a24 ZW |
1085 | fexec-charset= |
1086 | C ObjC C++ ObjC++ Joined RejectNegative | |
72de27ea | 1087 | -fexec-charset=<cset> Convert all strings and character constants to character set <cset> |
e6cc3a24 | 1088 | |
af15a2fe JM |
1089 | fextended-identifiers |
1090 | C ObjC C++ ObjC++ | |
1091 | Permit universal character names (\\u and \\U) in identifiers | |
1092 | ||
16dd5cfe EC |
1093 | finput-charset= |
1094 | C ObjC C++ ObjC++ Joined RejectNegative | |
c85ce869 | 1095 | -finput-charset=<cset> Specify the default character set for source files |
16dd5cfe | 1096 | |
5af057d8 JM |
1097 | fextern-tls-init |
1098 | C++ ObjC++ Var(flag_extern_tls_init) Init(-1) | |
1099 | Support dynamic initialization of thread-local variables in a different translation unit | |
16dd5cfe | 1100 | |
fef3106c | 1101 | fexternal-templates |
2d2bd949 | 1102 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
fef3106c | 1103 | |
fef3106c | 1104 | ffor-scope |
5498f011 | 1105 | C++ ObjC++ Var(flag_new_for_scope) Init(1) |
bae92bf3 | 1106 | Scope of for-init-statement variables is local to the loop |
fef3106c NB |
1107 | |
1108 | ffreestanding | |
820b51ae | 1109 | C ObjC C++ ObjC++ |
5a170a05 | 1110 | Do not assume that standard C libraries and \"main\" exist |
fef3106c NB |
1111 | |
1112 | fgnu-keywords | |
5498f011 | 1113 | C++ ObjC++ Var(flag_no_gnu_keywords, 0) |
bae92bf3 | 1114 | Recognize GNU-defined keywords |
fef3106c NB |
1115 | |
1116 | fgnu-runtime | |
fb5610fb | 1117 | ObjC ObjC++ LTO Report RejectNegative Var(flag_next_runtime,0) Init(NEXT_OBJC_RUNTIME) |
f2ac9964 | 1118 | Generate code for GNU runtime environment |
fef3106c | 1119 | |
da1c7394 | 1120 | fgnu89-inline |
2cbac420 | 1121 | C ObjC Var(flag_gnu89_inline) Init(-1) |
da1c7394 ILT |
1122 | Use traditional GNU semantics for inline functions |
1123 | ||
fef3106c | 1124 | fguiding-decls |
2d2bd949 | 1125 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
fef3106c NB |
1126 | |
1127 | fhandle-exceptions | |
2d2bd949 | 1128 | C++ ObjC++ Optimization Alias(fexceptions) Warn({-fhandle-exceptions has been renamed -fexceptions (and is now on by default)}) |
fef3106c NB |
1129 | |
1130 | fhonor-std | |
2d2bd949 | 1131 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
fef3106c NB |
1132 | |
1133 | fhosted | |
1134 | C ObjC | |
5a170a05 | 1135 | Assume normal C execution environment |
fef3106c NB |
1136 | |
1137 | fhuge-objects | |
2d2bd949 | 1138 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
d1779886 | 1139 | No longer supported |
fef3106c NB |
1140 | |
1141 | fimplement-inlines | |
5498f011 | 1142 | C++ ObjC++ Var(flag_implement_inlines) Init(1) |
bae92bf3 | 1143 | Export functions even if they can be inlined |
fef3106c NB |
1144 | |
1145 | fimplicit-inline-templates | |
5498f011 | 1146 | C++ ObjC++ Var(flag_implicit_inline_templates) Init(1) |
bae92bf3 | 1147 | Emit implicit instantiations of inline templates |
fef3106c NB |
1148 | |
1149 | fimplicit-templates | |
5498f011 | 1150 | C++ ObjC++ Var(flag_implicit_templates) Init(1) |
bae92bf3 | 1151 | Emit implicit instantiations of templates |
fef3106c | 1152 | |
d63d5d0c | 1153 | ffriend-injection |
2cbac420 | 1154 | C++ ObjC++ Var(flag_friend_injection) |
d63d5d0c ILT |
1155 | Inject friend functions into enclosing namespace |
1156 | ||
47ea1edf DK |
1157 | fkeep-inline-dllexport |
1158 | C C++ ObjC ObjC++ Var(flag_keep_inline_dllexport) Init(1) Report Condition(TARGET_DLLIMPORT_DECL_ATTRIBUTES) | |
1159 | Don't emit dllexported inline functions unless needed | |
1160 | ||
fef3106c | 1161 | flabels-ok |
2d2bd949 | 1162 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
fef3106c | 1163 | |
00c8e9f6 | 1164 | flax-vector-conversions |
5498f011 | 1165 | C ObjC C++ ObjC++ Var(flag_lax_vector_conversions) |
00c8e9f6 MS |
1166 | Allow implicit conversions between vectors with differing numbers of subparts and/or differing element types. |
1167 | ||
fef3106c | 1168 | fms-extensions |
5498f011 | 1169 | C ObjC C++ ObjC++ Var(flag_ms_extensions) |
bae92bf3 | 1170 | Don't warn about uses of Microsoft extensions |
fef3106c | 1171 | |
5720c0dc | 1172 | fmudflap |
98906124 | 1173 | C ObjC C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
5720c0dc RG |
1174 | |
1175 | fmudflapth | |
98906124 | 1176 | C ObjC C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
5720c0dc RG |
1177 | |
1178 | fmudflapir | |
98906124 | 1179 | C ObjC C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
5720c0dc | 1180 | |
fef3106c | 1181 | fname-mangling-version- |
2d2bd949 | 1182 | C++ ObjC++ Joined Ignore Warn(switch %qs is no longer supported) |
fef3106c NB |
1183 | |
1184 | fnew-abi | |
2d2bd949 | 1185 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
fef3106c NB |
1186 | |
1187 | fnext-runtime | |
fb5610fb | 1188 | ObjC ObjC++ LTO Report RejectNegative Var(flag_next_runtime) |
264fa2db ZL |
1189 | Generate code for NeXT (Apple Mac OS X) runtime environment |
1190 | ||
1191 | fnil-receivers | |
5498f011 | 1192 | ObjC ObjC++ Var(flag_nil_receivers) Init(1) |
264fa2db | 1193 | Assume that receivers of Objective-C messages may be nil |
fef3106c | 1194 | |
dcaaa5a0 DP |
1195 | flocal-ivars |
1196 | ObjC ObjC++ Var(flag_local_ivars) Init(1) | |
1197 | Allow access to instance variables as if they were local declarations within instance method implementations. | |
1198 | ||
1199 | fivar-visibility= | |
1200 | ObjC ObjC++ Joined RejectNegative Enum(ivar_visibility) Var(default_ivar_visibility) Init(IVAR_VISIBILITY_PROTECTED) | |
1201 | -fvisibility=[private|protected|public|package] Set the default symbol visibility | |
1202 | ||
1203 | Enum | |
1204 | Name(ivar_visibility) Type(enum ivar_visibility) UnknownError(unrecognized ivar visibility value %qs) | |
1205 | ||
1206 | EnumValue | |
1207 | Enum(ivar_visibility) String(private) Value(IVAR_VISIBILITY_PRIVATE) | |
1208 | ||
1209 | EnumValue | |
1210 | Enum(ivar_visibility) String(protected) Value(IVAR_VISIBILITY_PROTECTED) | |
1211 | ||
1212 | EnumValue | |
1213 | Enum(ivar_visibility) String(public) Value(IVAR_VISIBILITY_PUBLIC) | |
1214 | ||
1215 | EnumValue | |
1216 | Enum(ivar_visibility) String(package) Value(IVAR_VISIBILITY_PACKAGE) | |
1217 | ||
fef3106c | 1218 | fnonansi-builtins |
5498f011 | 1219 | C++ ObjC++ Var(flag_no_nonansi_builtin, 0) |
fef3106c NB |
1220 | |
1221 | fnonnull-objects | |
2d2bd949 | 1222 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
fef3106c | 1223 | |
9feb3d6a JM |
1224 | fnothrow-opt |
1225 | C++ ObjC++ Optimization Var(flag_nothrow_opt) | |
1226 | Treat a throw() exception specification as noexcept to improve code size | |
1227 | ||
0a256240 | 1228 | fobjc-abi-version= |
fb5610fb | 1229 | ObjC ObjC++ LTO Joined Report RejectNegative UInteger Var(flag_objc_abi) |
0a256240 NP |
1230 | Specify which ABI to use for Objective-C family code and meta-data generation. |
1231 | ||
6e955430 ZL |
1232 | ; Generate special '- .cxx_construct' and '- .cxx_destruct' methods |
1233 | ; to initialize any non-POD ivars in Objective-C++ classes. | |
1234 | fobjc-call-cxx-cdtors | |
1235 | ObjC++ Var(flag_objc_call_cxx_cdtors) | |
1236 | Generate special Objective-C methods to initialize/destroy non-POD C++ ivars, if needed | |
1237 | ||
1238 | fobjc-direct-dispatch | |
1239 | ObjC ObjC++ Var(flag_objc_direct_dispatch) | |
1240 | Allow fast jumps to the message dispatcher | |
1241 | ||
1242 | ; Nonzero means that we will allow new ObjC exception syntax (@throw, | |
1243 | ; @try, etc.) in source code. | |
264fa2db | 1244 | fobjc-exceptions |
6e955430 | 1245 | ObjC ObjC++ Var(flag_objc_exceptions) |
264fa2db ZL |
1246 | Enable Objective-C exception and synchronization syntax |
1247 | ||
6e955430 | 1248 | fobjc-gc |
fb5610fb | 1249 | ObjC ObjC++ LTO Var(flag_objc_gc) |
6e955430 ZL |
1250 | Enable garbage collection (GC) in Objective-C/Objective-C++ programs |
1251 | ||
0a256240 NP |
1252 | fobjc-nilcheck |
1253 | ObjC ObjC++ Var(flag_objc_nilcheck,1) | |
1254 | Enable inline checks for nil receivers with the NeXT runtime and ABI version 2. | |
1255 | ||
6e955430 | 1256 | ; Nonzero means that we generate NeXT setjmp based exceptions. |
093c7153 | 1257 | fobjc-sjlj-exceptions |
6e955430 | 1258 | ObjC ObjC++ Var(flag_objc_sjlj_exceptions) Init(-1) |
093c7153 RH |
1259 | Enable Objective-C setjmp exception handling runtime |
1260 | ||
22d8d616 NP |
1261 | fobjc-std=objc1 |
1262 | ObjC ObjC++ Var(flag_objc1_only) | |
1263 | Conform to the Objective-C 1.0 language as implemented in GCC 4.0 | |
1264 | ||
953ff289 DN |
1265 | fopenmp |
1266 | C ObjC C++ ObjC++ Var(flag_openmp) | |
9a0f3e86 | 1267 | Enable OpenMP (implies -frecursive in Fortran) |
953ff289 | 1268 | |
6d7f7e0a TB |
1269 | fopenmp-simd |
1270 | C ObjC C++ ObjC++ Var(flag_openmp_simd) | |
1271 | Enable OpenMP's SIMD directives | |
1272 | ||
fef3106c NB |
1273 | foperator-names |
1274 | C++ ObjC++ | |
1cbc62c0 | 1275 | Recognize C++ keywords like \"compl\" and \"xor\" |
fef3106c NB |
1276 | |
1277 | foptional-diags | |
2d2bd949 | 1278 | C++ ObjC++ Ignore |
5498f011 | 1279 | Does nothing. Preserved for backward compatibility. |
fef3106c NB |
1280 | |
1281 | fpch-deps | |
1282 | C ObjC C++ ObjC++ | |
1283 | ||
c0d578e6 GK |
1284 | fpch-preprocess |
1285 | C ObjC C++ ObjC++ | |
1286 | Look for and use PCH files even when preprocessing | |
1287 | ||
fef3106c | 1288 | fpermissive |
0c3641b0 | 1289 | C++ ObjC++ Var(flag_permissive) |
bae92bf3 | 1290 | Downgrade conformance errors to warnings |
fef3106c | 1291 | |
478a1c5b ILT |
1292 | fplan9-extensions |
1293 | C ObjC Var(flag_plan9_extensions) | |
1294 | Enable Plan 9 language extensions | |
1295 | ||
fef3106c NB |
1296 | fpreprocessed |
1297 | C ObjC C++ ObjC++ | |
72de27ea | 1298 | Treat the input file as already preprocessed |
fef3106c | 1299 | |
92582b75 TT |
1300 | ftrack-macro-expansion |
1301 | C ObjC C++ ObjC++ JoinedOrMissing RejectNegative UInteger | |
1302 | ; converted into ftrack-macro-expansion= | |
1303 | ||
1304 | ftrack-macro-expansion= | |
1305 | C ObjC C++ ObjC++ JoinedOrMissing RejectNegative UInteger | |
1306 | -ftrack-macro-expansion=<0|1|2> Track locations of tokens coming from macro expansion and display them in error messages | |
1307 | ||
6ea2bd47 | 1308 | fpretty-templates |
5498f011 | 1309 | C++ ObjC++ Var(flag_pretty_templates) Init(1) |
6ea2bd47 JM |
1310 | -fno-pretty-templates Do not pretty-print template specializations as the template signature followed by the arguments |
1311 | ||
264fa2db | 1312 | freplace-objc-classes |
fb5610fb | 1313 | ObjC ObjC++ LTO Var(flag_replace_objc_classes) |
264fa2db ZL |
1314 | Used in Fix-and-Continue mode to indicate that object files may be swapped in at runtime |
1315 | ||
fef3106c NB |
1316 | frepo |
1317 | C++ ObjC++ | |
bae92bf3 | 1318 | Enable automatic template instantiation |
fef3106c NB |
1319 | |
1320 | frtti | |
5498f011 | 1321 | C++ ObjC++ Optimization Var(flag_rtti) Init(1) |
bae92bf3 | 1322 | Generate run time type descriptor information |
fef3106c NB |
1323 | |
1324 | fshort-double | |
f42c637e | 1325 | C ObjC C++ ObjC++ LTO Optimization Var(flag_short_double) |
5a170a05 | 1326 | Use the same size for double as for float |
fef3106c NB |
1327 | |
1328 | fshort-enums | |
dd6fe7d4 | 1329 | C ObjC C++ ObjC++ LTO Optimization Var(flag_short_enums) |
5a170a05 | 1330 | Use the narrowest integer type possible for enumeration types |
fef3106c NB |
1331 | |
1332 | fshort-wchar | |
dd6fe7d4 | 1333 | C ObjC C++ ObjC++ LTO Optimization Var(flag_short_wchar) |
5a170a05 | 1334 | Force the underlying type for \"wchar_t\" to be \"unsigned short\" |
fef3106c | 1335 | |
fef3106c | 1336 | fsigned-bitfields |
5498f011 | 1337 | C ObjC C++ ObjC++ Var(flag_signed_bitfields) Init(1) |
5a170a05 | 1338 | When \"signed\" or \"unsigned\" is not given make the bitfield signed |
fef3106c NB |
1339 | |
1340 | fsigned-char | |
5498f011 | 1341 | C ObjC C++ ObjC++ LTO Var(flag_signed_char) |
5a170a05 | 1342 | Make \"char\" signed by default |
fef3106c NB |
1343 | |
1344 | fsquangle | |
2d2bd949 | 1345 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
fef3106c NB |
1346 | |
1347 | fstats | |
5498f011 | 1348 | C++ ObjC++ Var(flag_detailed_statistics) |
bae92bf3 | 1349 | Display statistics accumulated during compilation |
fef3106c | 1350 | |
cbb4feb3 JM |
1351 | fstrict-enums |
1352 | C++ ObjC++ Optimization Var(flag_strict_enums) | |
1353 | Assume that values of enumeration type are always within the minimum range of that type | |
1354 | ||
fef3106c | 1355 | fstrict-prototype |
2d2bd949 | 1356 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
fef3106c NB |
1357 | |
1358 | ftabstop= | |
7b086b11 | 1359 | C ObjC C++ ObjC++ Joined RejectNegative UInteger |
72de27ea | 1360 | -ftabstop=<number> Distance between tab stops for column reporting |
fef3106c | 1361 | |
a12bf402 MLI |
1362 | ftemplate-backtrace-limit= |
1363 | C++ ObjC++ Joined RejectNegative UInteger Var(template_backtrace_limit) Init(10) | |
1364 | Set the maximum number of template instantiation notes for a single warning or error | |
1365 | ||
fef3106c | 1366 | ftemplate-depth- |
5de8299c | 1367 | C++ ObjC++ Joined RejectNegative Undocumented Alias(ftemplate-depth=) |
124e0d27 MLI |
1368 | |
1369 | ftemplate-depth= | |
c22cacf3 | 1370 | C++ ObjC++ Joined RejectNegative UInteger |
124e0d27 | 1371 | -ftemplate-depth=<number> Specify maximum template instantiation depth |
fef3106c NB |
1372 | |
1373 | fthis-is-variable | |
2d2bd949 | 1374 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
fef3106c | 1375 | |
40aac948 | 1376 | fthreadsafe-statics |
5498f011 | 1377 | C++ ObjC++ Optimization Var(flag_threadsafe_statics) Init(1) |
c85ce869 | 1378 | -fno-threadsafe-statics Do not generate thread-safe code for initializing local statics |
40aac948 | 1379 | |
fef3106c | 1380 | funsigned-bitfields |
f0036cca | 1381 | C ObjC C++ ObjC++ Var(flag_signed_bitfields, 0) |
5a170a05 | 1382 | When \"signed\" or \"unsigned\" is not given make the bitfield unsigned |
fef3106c NB |
1383 | |
1384 | funsigned-char | |
f0036cca | 1385 | C ObjC C++ ObjC++ LTO Var(flag_signed_char, 0) |
5a170a05 | 1386 | Make \"char\" unsigned by default |
fef3106c NB |
1387 | |
1388 | fuse-cxa-atexit | |
5498f011 | 1389 | C++ ObjC++ Var(flag_use_cxa_atexit) Init(DEFAULT_USE_CXA_ATEXIT) |
bae92bf3 | 1390 | Use __cxa_atexit to register destructors |
fef3106c | 1391 | |
c7b5e395 | 1392 | fuse-cxa-get-exception-ptr |
5498f011 | 1393 | C++ ObjC++ Var(flag_use_cxa_get_exception_ptr) Init(2) |
c7b5e395 GK |
1394 | Use __cxa_get_exception_ptr in exception handling |
1395 | ||
d7afec4b | 1396 | fvisibility-inlines-hidden |
d0b07283 | 1397 | C++ ObjC++ |
fb9120e3 | 1398 | Marks all inlined functions and methods as having hidden visibility |
d7afec4b | 1399 | |
ddbfd28d GK |
1400 | fvisibility-ms-compat |
1401 | C++ ObjC++ Var(flag_visibility_ms_compat) | |
1402 | Changes visibility to match Microsoft Visual Studio by default | |
1403 | ||
fef3106c | 1404 | fvtable-gc |
2d2bd949 | 1405 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
d1779886 | 1406 | No longer supported |
fef3106c NB |
1407 | |
1408 | fvtable-thunks | |
2d2bd949 | 1409 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
d1779886 | 1410 | No longer supported |
fef3106c NB |
1411 | |
1412 | fweak | |
5498f011 | 1413 | C++ ObjC++ Var(flag_weak) Init(1) |
bae92bf3 | 1414 | Emit common-like symbols as weak symbols |
fef3106c | 1415 | |
e6cc3a24 ZW |
1416 | fwide-exec-charset= |
1417 | C ObjC C++ ObjC++ Joined RejectNegative | |
72de27ea | 1418 | -fwide-exec-charset=<cset> Convert all wide strings and character constants to character set <cset> |
e6cc3a24 | 1419 | |
b20d9f0c | 1420 | fworking-directory |
5498f011 | 1421 | C ObjC C++ ObjC++ Var(flag_working_directory) Init(-1) |
b20d9f0c AO |
1422 | Generate a #line directive pointing at the current working directory |
1423 | ||
fef3106c | 1424 | fxref |
2d2bd949 | 1425 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
d1779886 | 1426 | No longer supported |
fef3106c | 1427 | |
264fa2db | 1428 | fzero-link |
5498f011 | 1429 | ObjC ObjC++ Var(flag_zero_link) |
264fa2db ZL |
1430 | Generate lazy class lookup (via objc_getClass()) for use in Zero-Link mode |
1431 | ||
fef3106c | 1432 | gen-decls |
5498f011 | 1433 | ObjC ObjC++ Var(flag_gen_declaration) |
f2ac9964 | 1434 | Dump declarations to a .decl file |
fef3106c | 1435 | |
39ef6592 LC |
1436 | femit-struct-debug-baseonly |
1437 | C ObjC C++ ObjC++ | |
1438 | -femit-struct-debug-baseonly Aggressive reduced debug info for structs | |
1439 | ||
1440 | femit-struct-debug-reduced | |
1441 | C ObjC C++ ObjC++ | |
1442 | -femit-struct-debug-reduced Conservative reduced debug info for structs | |
1443 | ||
1444 | femit-struct-debug-detailed= | |
1445 | C ObjC C++ ObjC++ Joined | |
1446 | -femit-struct-debug-detailed=<spec-list> Detailed reduced debug info for structs | |
1447 | ||
a4a0016d ESR |
1448 | fext-numeric-literals |
1449 | C++ ObjC++ | |
1450 | Interpret imaginary, fixed-point, or other gnu number suffix as the corresponding | |
1451 | number literal rather than a user-defined number literal. | |
1452 | ||
fef3106c | 1453 | idirafter |
61ff2bdc | 1454 | C ObjC C++ ObjC++ Joined Separate MissingArgError(missing path after %qs) |
72de27ea | 1455 | -idirafter <dir> Add <dir> to the end of the system include path |
fef3106c NB |
1456 | |
1457 | imacros | |
61ff2bdc | 1458 | C ObjC C++ ObjC++ Joined Separate MissingArgError(missing filename after %qs) |
72de27ea | 1459 | -imacros <file> Accept definition of macros in <file> |
fef3106c | 1460 | |
2b6dd222 JM |
1461 | imultilib |
1462 | C ObjC C++ ObjC++ Joined Separate | |
f94e1d66 | 1463 | -imultilib <dir> Set <dir> to be the multilib include subdirectory |
2b6dd222 | 1464 | |
fef3106c | 1465 | include |
61ff2bdc | 1466 | C ObjC C++ ObjC++ Joined Separate MissingArgError(missing filename after %qs) |
72de27ea | 1467 | -include <file> Include the contents of <file> before other files |
fef3106c NB |
1468 | |
1469 | iprefix | |
1470 | C ObjC C++ ObjC++ Joined Separate | |
72de27ea | 1471 | -iprefix <path> Specify <path> as a prefix for next two options |
fef3106c NB |
1472 | |
1473 | isysroot | |
61ff2bdc | 1474 | C ObjC C++ ObjC++ Joined Separate MissingArgError(missing path after %qs) |
72de27ea | 1475 | -isysroot <dir> Set <dir> to be the system root directory |
fef3106c NB |
1476 | |
1477 | isystem | |
61ff2bdc | 1478 | C ObjC C++ ObjC++ Joined Separate MissingArgError(missing path after %qs) |
72de27ea | 1479 | -isystem <dir> Add <dir> to the start of the system include path |
fef3106c | 1480 | |
4bed3787 | 1481 | iquote |
61ff2bdc | 1482 | C ObjC C++ ObjC++ Joined Separate MissingArgError(missing path after %qs) |
4bed3787 MS |
1483 | -iquote <dir> Add <dir> to the end of the quote include path |
1484 | ||
fef3106c NB |
1485 | iwithprefix |
1486 | C ObjC C++ ObjC++ Joined Separate | |
72de27ea | 1487 | -iwithprefix <dir> Add <dir> to the end of the system include path |
fef3106c NB |
1488 | |
1489 | iwithprefixbefore | |
1490 | C ObjC C++ ObjC++ Joined Separate | |
72de27ea | 1491 | -iwithprefixbefore <dir> Add <dir> to the end of the main include path |
fef3106c NB |
1492 | |
1493 | lang-asm | |
603349bf | 1494 | C Undocumented RejectDriver |
fef3106c | 1495 | |
e200444e JM |
1496 | no-integrated-cpp |
1497 | Driver | |
1498 | ||
fef3106c NB |
1499 | nostdinc |
1500 | C ObjC C++ ObjC++ | |
72de27ea | 1501 | Do not search standard system include directories (those specified with -isystem will still be used) |
fef3106c NB |
1502 | |
1503 | nostdinc++ | |
72de27ea NB |
1504 | C++ ObjC++ |
1505 | Do not search standard system include directories for C++ | |
fef3106c NB |
1506 | |
1507 | o | |
1508 | C ObjC C++ ObjC++ Joined Separate | |
72de27ea | 1509 | ; Documented in common.opt |
fef3106c NB |
1510 | |
1511 | pedantic | |
c1771a20 | 1512 | C ObjC C++ ObjC++ Alias(Wpedantic) |
72de27ea | 1513 | ; Documented in common.opt |
fef3106c | 1514 | |
fef3106c NB |
1515 | print-objc-runtime-info |
1516 | ObjC ObjC++ | |
f2ac9964 | 1517 | Generate C header of platform-specific features |
fef3106c NB |
1518 | |
1519 | remap | |
1520 | C ObjC C++ ObjC++ | |
72de27ea | 1521 | Remap file names when including files |
fef3106c NB |
1522 | |
1523 | std=c++98 | |
1524 | C++ ObjC++ | |
c7dc8804 JM |
1525 | Conform to the ISO 1998 C++ standard revised by the 2003 technical corrigendum |
1526 | ||
1527 | std=c++03 | |
1528 | C++ ObjC++ Alias(std=c++98) | |
1529 | Conform to the ISO 1998 C++ standard revised by the 2003 technical corrigendum | |
fef3106c | 1530 | |
97e3ad20 | 1531 | std=c++11 |
966541e3 | 1532 | C++ ObjC++ |
70e24808 | 1533 | Conform to the ISO 2011 C++ standard |
97e3ad20 JM |
1534 | |
1535 | std=c++0x | |
70e24808 | 1536 | C++ ObjC++ Alias(std=c++11) Undocumented |
97e3ad20 | 1537 | Deprecated in favor of -std=c++11 |
966541e3 | 1538 | |
552b8185 | 1539 | std=c++1y |
028aee17 JM |
1540 | C++ ObjC++ Alias(std=c++14) Undocumented |
1541 | Deprecated in favor of -std=c++14 | |
70e24808 JM |
1542 | |
1543 | std=c++14 | |
028aee17 JM |
1544 | C++ ObjC++ Undocumented |
1545 | Conform to the ISO 2014 C++ standard (experimental and incomplete support) | |
552b8185 | 1546 | |
da73100b JM |
1547 | std=c++1z |
1548 | C++ ObjC++ | |
1549 | Conform to the ISO 2017(?) C++ draft standard (experimental and incomplete support) | |
1550 | ||
1551 | std=c++17 | |
1552 | C++ ObjC++ Alias(std=c++1z) Undocumented | |
1553 | ||
48b0b196 | 1554 | std=c11 |
2778d766 | 1555 | C ObjC |
48b0b196 JM |
1556 | Conform to the ISO 2011 C standard (experimental and incomplete support) |
1557 | ||
1558 | std=c1x | |
1559 | C ObjC Alias(std=c11) | |
1560 | Deprecated in favor of -std=c11 | |
2778d766 | 1561 | |
fef3106c | 1562 | std=c89 |
5de8299c | 1563 | C ObjC Alias(std=c90) |
72de27ea | 1564 | Conform to the ISO 1990 C standard |
fef3106c | 1565 | |
7e1542b9 MLI |
1566 | std=c90 |
1567 | C ObjC | |
1568 | Conform to the ISO 1990 C standard | |
1569 | ||
fef3106c NB |
1570 | std=c99 |
1571 | C ObjC | |
72de27ea | 1572 | Conform to the ISO 1999 C standard |
fef3106c NB |
1573 | |
1574 | std=c9x | |
5de8299c | 1575 | C ObjC Alias(std=c99) |
72de27ea | 1576 | Deprecated in favor of -std=c99 |
fef3106c NB |
1577 | |
1578 | std=gnu++98 | |
1579 | C++ ObjC++ | |
97e3ad20 JM |
1580 | Conform to the ISO 1998 C++ standard revised by the 2003 technical |
1581 | corrigendum with GNU extensions | |
fef3106c | 1582 | |
97e3ad20 JM |
1583 | std=gnu++03 |
1584 | C++ ObjC++ Alias(std=gnu++98) | |
1585 | Conform to the ISO 1998 C++ standard revised by the 2003 technical | |
1586 | corrigendum with GNU extensions | |
1587 | ||
1588 | std=gnu++11 | |
966541e3 | 1589 | C++ ObjC++ |
97e3ad20 JM |
1590 | Conform to the ISO 2011 C++ standard with GNU extensions (experimental and incomplete support) |
1591 | ||
1592 | std=gnu++0x | |
1593 | C++ ObjC++ Alias(std=gnu++11) | |
1594 | Deprecated in favor of -std=gnu++11 | |
966541e3 | 1595 | |
552b8185 | 1596 | std=gnu++1y |
028aee17 | 1597 | C++ ObjC++ Alias(std=gnu++14) Undocumented |
552b8185 | 1598 | |
a07f6ed2 | 1599 | std=gnu++14 |
028aee17 JM |
1600 | C++ ObjC++ |
1601 | Conform to the ISO 2014 C++ standard with GNU extensions (experimental and incomplete support) | |
a07f6ed2 | 1602 | |
da73100b JM |
1603 | std=gnu++1z |
1604 | C++ ObjC++ | |
1605 | Conform to the ISO 201z(7?) C++ draft standard with GNU extensions (experimental and incomplete support) | |
1606 | ||
1607 | std=gnu++17 | |
a545cacd | 1608 | C++ ObjC++ Alias(std=gnu++1z) Undocumented |
da73100b | 1609 | |
48b0b196 | 1610 | std=gnu11 |
2778d766 | 1611 | C ObjC |
48b0b196 JM |
1612 | Conform to the ISO 2011 C standard with GNU extensions (experimental and incomplete support) |
1613 | ||
1614 | std=gnu1x | |
1615 | C ObjC Alias(std=gnu11) | |
1616 | Deprecated in favor of -std=gnu11 | |
2778d766 | 1617 | |
fef3106c | 1618 | std=gnu89 |
5de8299c | 1619 | C ObjC Alias(std=gnu90) |
72de27ea | 1620 | Conform to the ISO 1990 C standard with GNU extensions |
fef3106c | 1621 | |
7e1542b9 MLI |
1622 | std=gnu90 |
1623 | C ObjC | |
1624 | Conform to the ISO 1990 C standard with GNU extensions | |
1625 | ||
fef3106c NB |
1626 | std=gnu99 |
1627 | C ObjC | |
72de27ea | 1628 | Conform to the ISO 1999 C standard with GNU extensions |
fef3106c NB |
1629 | |
1630 | std=gnu9x | |
5de8299c | 1631 | C ObjC Alias(std=gnu99) |
72de27ea | 1632 | Deprecated in favor of -std=gnu99 |
fef3106c NB |
1633 | |
1634 | std=iso9899:1990 | |
5de8299c | 1635 | C ObjC Alias(std=c90) |
3a1e400e | 1636 | Conform to the ISO 1990 C standard |
fef3106c NB |
1637 | |
1638 | std=iso9899:199409 | |
1639 | C ObjC | |
72de27ea | 1640 | Conform to the ISO 1990 C standard as amended in 1994 |
fef3106c NB |
1641 | |
1642 | std=iso9899:1999 | |
5de8299c | 1643 | C ObjC Alias(std=c99) |
3a1e400e | 1644 | Conform to the ISO 1999 C standard |
fef3106c NB |
1645 | |
1646 | std=iso9899:199x | |
5de8299c | 1647 | C ObjC Alias(std=c99) |
3a1e400e | 1648 | Deprecated in favor of -std=iso9899:1999 |
fef3106c | 1649 | |
48b0b196 JM |
1650 | std=iso9899:2011 |
1651 | C ObjC Alias(std=c11) | |
1652 | Conform to the ISO 2011 C standard (experimental and incomplete support) | |
1653 | ||
e200444e JM |
1654 | traditional |
1655 | Driver | |
1656 | ||
fef3106c NB |
1657 | traditional-cpp |
1658 | C ObjC C++ ObjC++ | |
72de27ea | 1659 | Enable traditional preprocessing |
fef3106c NB |
1660 | |
1661 | trigraphs | |
1662 | C ObjC C++ ObjC++ | |
72de27ea | 1663 | -trigraphs Support ISO C trigraphs |
fef3106c NB |
1664 | |
1665 | undef | |
5498f011 | 1666 | C ObjC C++ ObjC++ Var(flag_undef) |
72de27ea | 1667 | Do not predefine system-specific and GCC-specific macros |
fef3106c NB |
1668 | |
1669 | v | |
d5478783 JM |
1670 | C ObjC C++ ObjC++ |
1671 | ; Documented in common.opt | |
fef3106c NB |
1672 | |
1673 | w | |
1674 | C ObjC C++ ObjC++ | |
72de27ea | 1675 | ; Documented in common.opt |
e11a4ae5 NB |
1676 | |
1677 | ; This comment is to ensure we retain the blank line above. |