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Commit | Line | Data |
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fef3106c | 1 | ; Options for the C, ObjC, C++ and ObjC++ front ends. |
818ab71a | 2 | ; Copyright (C) 2003-2016 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) |
a7b2e184 | 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++ | |
a7b2e184 | 186 | Do not discard comments. |
fef3106c NB |
187 | |
188 | CC | |
189 | C ObjC C++ ObjC++ | |
a7b2e184 | 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) |
a7b2e184 | 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) |
a7b2e184 | 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++ | |
a7b2e184 | 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) |
a7b2e184 | 209 | -I <dir> Add <dir> to the end of the main include path. |
fef3106c NB |
210 | |
211 | M | |
212 | C ObjC C++ ObjC++ | |
a7b2e184 | 213 | Generate make dependencies. |
fef3106c | 214 | |
c878765b JM |
215 | MD |
216 | C ObjC C++ ObjC++ NoDriverArg Separate MissingArgError(missing filename after %qs) | |
a7b2e184 | 217 | Generate make dependencies and compile. |
fef3106c NB |
218 | |
219 | MF | |
61ff2bdc | 220 | C ObjC C++ ObjC++ Joined Separate MissingArgError(missing filename after %qs) |
a7b2e184 | 221 | -MF <file> Write dependency output to the given file. |
fef3106c NB |
222 | |
223 | MG | |
224 | C ObjC C++ ObjC++ | |
a7b2e184 | 225 | Treat missing header files as generated files. |
fef3106c NB |
226 | |
227 | MM | |
228 | C ObjC C++ ObjC++ | |
a7b2e184 | 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) | |
a7b2e184 | 233 | Like -MD but ignore system header files. |
fef3106c NB |
234 | |
235 | MP | |
236 | C ObjC C++ ObjC++ | |
a7b2e184 | 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) |
a7b2e184 | 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) |
a7b2e184 | 245 | -MT <target> Add an unquoted target. |
fef3106c NB |
246 | |
247 | P | |
248 | C ObjC C++ ObjC++ | |
a7b2e184 | 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) |
a7b2e184 | 253 | -U<macro> Undefine <macro>. |
fef3106c NB |
254 | |
255 | Wabi | |
d7f09764 | 256 | C ObjC C++ ObjC++ LTO Var(warn_abi) Warning |
a7b2e184 | 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 | |
a7b2e184 | 261 | Warn about things that change between the current -fabi-version and the specified version. |
62984918 | 262 | |
7dbb85a7 JM |
263 | Wabi-tag |
264 | C++ ObjC++ Var(warn_abi_tag) Warning | |
a7b2e184 | 265 | Warn if a subobject has an abi_tag attribute that the complete object type does not have. |
7dbb85a7 | 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) |
a7b2e184 | 272 | Warn about suspicious uses of memory addresses. |
c116cd05 | 273 | |
fef3106c | 274 | Wall |
c662432e | 275 | C ObjC C++ ObjC++ Warning |
a7b2e184 | 276 | Enable most warning messages. |
fef3106c | 277 | |
34a180a6 MLI |
278 | Warray-bounds |
279 | LangEnabledBy(C ObjC C++ ObjC++,Wall) | |
280 | ; in common.opt | |
281 | ||
de1b5c17 MU |
282 | Warray-bounds= |
283 | LangEnabledBy(C ObjC C++ ObjC++,Wall,1,0) | |
284 | ; in common.opt | |
285 | ||
6e955430 | 286 | Wassign-intercept |
c662432e | 287 | ObjC ObjC++ Var(warn_assign_intercept) Warning |
a7b2e184 | 288 | Warn whenever an Objective-C assignment is being intercepted by the garbage collector. |
6e955430 | 289 | |
fef3106c | 290 | Wbad-function-cast |
c662432e | 291 | C ObjC Var(warn_bad_function_cast) Warning |
a7b2e184 | 292 | Warn about casting functions to incompatible types. |
fef3106c | 293 | |
04159acf MP |
294 | Wbool-compare |
295 | C ObjC C++ ObjC++ Var(warn_bool_compare) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall) | |
a7b2e184 | 296 | Warn about boolean expression compared with an integer value different from true/false. |
04159acf | 297 | |
8423e57c MS |
298 | Wframe-address |
299 | C ObjC C++ ObjC++ Var(warn_frame_address) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall) | |
a7b2e184 | 300 | Warn when __builtin_frame_address or __builtin_return_address is used unsafely. |
8423e57c | 301 | |
c047ce93 | 302 | Wbuiltin-macro-redefined |
b559c810 | 303 | C ObjC C++ ObjC++ CPP(warn_builtin_macro_redefined) CppReason(CPP_W_BUILTIN_MACRO_REDEFINED) Var(cpp_warn_builtin_macro_redefined) Init(1) Warning |
a7b2e184 | 304 | Warn when a built-in preprocessor macro is undefined or redefined. |
c047ce93 | 305 | |
f3bede71 | 306 | Wc90-c99-compat |
b559c810 | 307 | C ObjC CPP(cpp_warn_c90_c99_compat) CppReason(CPP_W_C90_C99_COMPAT) Var(warn_c90_c99_compat) Init(-1) Warning |
a7b2e184 | 308 | Warn about features not present in ISO C90, but present in ISO C99. |
f3bede71 | 309 | |
35aff4fb MP |
310 | Wc99-c11-compat |
311 | C ObjC Var(warn_c99_c11_compat) Init(-1) Warning | |
a7b2e184 | 312 | Warn about features not present in ISO C99, but present in ISO C11. |
35aff4fb | 313 | |
b7e20b53 | 314 | Wc++-compat |
b559c810 | 315 | C ObjC Var(warn_cxx_compat) CPP(warn_cxx_operator_names) CppReason(CPP_W_CXX_OPERATOR_NAMES) Init(0) Warning |
a7b2e184 | 316 | Warn about C constructs that are not in the common subset of C and C++. |
b7e20b53 | 317 | |
e1f1ee86 | 318 | Wc++0x-compat |
765189ff | 319 | C++ ObjC++ Warning Alias(Wc++11-compat) Undocumented |
97e3ad20 JM |
320 | |
321 | Wc++11-compat | |
765189ff | 322 | C++ ObjC++ Var(warn_cxx11_compat) Warning LangEnabledBy(C++ ObjC++,Wall) Init(0) CPP(cpp_warn_cxx11_compat) CppReason(CPP_W_CXX11_COMPAT) |
a7b2e184 | 323 | Warn about C++ constructs whose meaning differs between ISO C++ 1998 and ISO C++ 2011. |
b7e20b53 | 324 | |
20b06add JM |
325 | Wc++14-compat |
326 | C++ ObjC++ Var(warn_cxx14_compat) Warning LangEnabledBy(C++ ObjC++,Wall) | |
a7b2e184 | 327 | Warn about C++ constructs whose meaning differs between ISO C++ 2011 and ISO C++ 2014. |
20b06add | 328 | |
fef3106c | 329 | Wcast-qual |
c662432e | 330 | C ObjC C++ ObjC++ Var(warn_cast_qual) Warning |
a7b2e184 | 331 | Warn about casts which discard qualifiers. |
fef3106c NB |
332 | |
333 | Wchar-subscripts | |
4a0ae68e | 334 | C ObjC C++ ObjC++ Var(warn_char_subscripts) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall) |
a7b2e184 | 335 | Warn about subscripts whose type is \"char\". |
fef3106c | 336 | |
d5e254e1 | 337 | Wchkp |
c2d89095 | 338 | C ObjC C++ ObjC++ Var(warn_chkp) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall) |
a7b2e184 | 339 | Warn about memory access errors found by Pointer Bounds Checker. |
d5e254e1 | 340 | |
2b001724 | 341 | Wclobbered |
95744782 | 342 | C ObjC C++ ObjC++ Var(warn_clobbered) Warning EnabledBy(Wextra) |
a7b2e184 | 343 | Warn about variables that might be changed by \"longjmp\" or \"vfork\". |
2b001724 | 344 | |
fef3106c | 345 | Wcomment |
b559c810 | 346 | C ObjC C++ ObjC++ CPP(warn_comments) CppReason(CPP_W_COMMENTS) Var(cpp_warn_comment) Init(0) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall) |
a7b2e184 | 347 | Warn about possibly nested block comments, and C++ comments spanning more than one physical line. |
fef3106c NB |
348 | |
349 | Wcomments | |
5de8299c | 350 | C ObjC C++ ObjC++ Warning Alias(Wcomment) |
a7b2e184 | 351 | Synonym for -Wcomment. |
fef3106c | 352 | |
dfeadaa0 PC |
353 | Wconditionally-supported |
354 | C++ ObjC++ Var(warn_conditionally_supported) Warning | |
a7b2e184 | 355 | Warn for conditionally-supported constructs. |
dfeadaa0 | 356 | |
fef3106c | 357 | Wconversion |
c662432e | 358 | C ObjC C++ ObjC++ Var(warn_conversion) Warning |
a7b2e184 | 359 | Warn for implicit type conversions that may change a value. |
fef3106c | 360 | |
17251338 MLI |
361 | Wconversion-null |
362 | C++ ObjC++ Var(warn_conversion_null) Init(1) Warning | |
a7b2e184 | 363 | Warn for converting NULL from/to a non-pointer type. |
17251338 | 364 | |
b559c810 MLI |
365 | Wcpp |
366 | C ObjC C++ ObjC++ CppReason(CPP_W_WARNING_DIRECTIVE) | |
367 | ; Documented in common.opt | |
368 | ||
fef3106c | 369 | Wctor-dtor-privacy |
c662432e | 370 | C++ ObjC++ Var(warn_ctor_dtor_privacy) Warning |
a7b2e184 | 371 | Warn when all constructors and destructors are private. |
fef3106c | 372 | |
b559c810 MLI |
373 | Wdate-time |
374 | C ObjC C++ ObjC++ CPP(warn_date_time) CppReason(CPP_W_DATE_TIME) Var(cpp_warn_date_time) Init(0) Warning | |
a7b2e184 | 375 | Warn about __TIME__, __DATE__ and __TIMESTAMP__ usage. |
b559c810 | 376 | |
85617eba | 377 | Wdeclaration-after-statement |
177cce46 | 378 | C ObjC Var(warn_declaration_after_statement) Init(-1) Warning |
a7b2e184 | 379 | Warn when a declaration is found after a statement. |
85617eba | 380 | |
c9b0866a PC |
381 | Wdelete-incomplete |
382 | C++ ObjC++ Var(warn_delete_incomplete) Init(1) Warning | |
a7b2e184 | 383 | Warn when deleting a pointer to incomplete type. |
c9b0866a | 384 | |
014ab419 | 385 | Wdelete-non-virtual-dtor |
27e51192 | 386 | C++ ObjC++ Var(warn_delnonvdtor) Warning LangEnabledBy(C++ ObjC++,Wall || Weffc++) |
a7b2e184 | 387 | Warn about deleting polymorphic objects with non-virtual destructors. |
014ab419 | 388 | |
fef3106c | 389 | Wdeprecated |
b559c810 | 390 | C C++ ObjC ObjC++ CPP(cpp_warn_deprecated) CppReason(CPP_W_DEPRECATED) Var(warn_deprecated) Init(1) Warning |
a7b2e184 | 391 | Warn if a deprecated compiler feature, class, method, or field is used. |
fef3106c | 392 | |
976d5a22 TT |
393 | Wdesignated-init |
394 | C ObjC Var(warn_designated_init) Init(1) Warning | |
a7b2e184 | 395 | Warn about positional initialization of structs requiring designated initializers. |
976d5a22 | 396 | |
768952be MU |
397 | Wdiscarded-array-qualifiers |
398 | C ObjC Var(warn_discarded_array_qualifiers) Init(1) Warning | |
a7b2e184 | 399 | Warn if qualifiers on arrays which are pointer targets are discarded. |
768952be | 400 | |
d00887e8 MP |
401 | Wdiscarded-qualifiers |
402 | C ObjC Var(warn_discarded_qualifiers) Init(1) Warning | |
a7b2e184 | 403 | Warn if type qualifiers on pointers are discarded. |
d00887e8 | 404 | |
fef3106c | 405 | Wdiv-by-zero |
2cbac420 | 406 | C ObjC C++ ObjC++ Var(warn_div_by_zero) Init(1) Warning |
a7b2e184 | 407 | Warn about compile-time integer division by zero. |
fef3106c | 408 | |
3e3b8d63 | 409 | Wduplicated-cond |
12651878 | 410 | C ObjC C++ ObjC++ Var(warn_duplicated_cond) Init(0) Warning |
a7b2e184 | 411 | Warn about duplicated conditions in an if-else-if chain. |
3e3b8d63 | 412 | |
fef3106c | 413 | Weffc++ |
c662432e | 414 | C++ ObjC++ Var(warn_ecpp) Warning |
a7b2e184 | 415 | Warn about violations of Effective C++ style rules. |
fef3106c | 416 | |
b3b433c5 | 417 | Wempty-body |
95744782 | 418 | C ObjC C++ ObjC++ Var(warn_empty_body) Warning EnabledBy(Wextra) |
a7b2e184 | 419 | Warn about an empty body in an if or else statement. |
b3b433c5 | 420 | |
fef3106c | 421 | Wendif-labels |
b559c810 | 422 | 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) |
a7b2e184 | 423 | Warn about stray tokens after #elif and #endif. |
fef3106c | 424 | |
a3299096 | 425 | Wenum-compare |
27e51192 | 426 | C ObjC C++ ObjC++ Var(warn_enum_compare) Init(-1) Warning LangEnabledBy(C ObjC,Wall || Wc++-compat) |
a7b2e184 | 427 | Warn about comparison of different enum types. |
a3299096 | 428 | |
fef3106c NB |
429 | Werror |
430 | C ObjC C++ ObjC++ | |
72de27ea | 431 | ; Documented in common.opt |
fef3106c NB |
432 | |
433 | Werror-implicit-function-declaration | |
5de8299c | 434 | C ObjC RejectNegative Warning Alias(Werror=, implicit-function-declaration) |
a7b2e184 | 435 | This switch is deprecated; use -Werror=implicit-function-declaration instead. |
fef3106c | 436 | |
49b0aa18 | 437 | Wfloat-conversion |
63bbf46d | 438 | C ObjC C++ ObjC++ Var(warn_float_conversion) Warning LangEnabledBy(C ObjC C++ ObjC++,Wconversion) |
a7b2e184 | 439 | Warn for implicit type conversions that cause loss of floating point precision. |
49b0aa18 | 440 | |
fef3106c | 441 | Wfloat-equal |
c662432e | 442 | C ObjC C++ ObjC++ Var(warn_float_equal) Warning |
a7b2e184 | 443 | Warn if testing floating point numbers for equality. |
fef3106c NB |
444 | |
445 | Wformat | |
7332899a | 446 | C ObjC C++ ObjC++ Warning Alias(Wformat=, 1, 0) |
a7b2e184 | 447 | Warn about printf/scanf/strftime/strfmon format string anomalies. |
fef3106c | 448 | |
7332899a MLI |
449 | Wformat-contains-nul |
450 | C ObjC C++ ObjC++ Var(warn_format_contains_nul) Warning LangEnabledBy(C ObjC C++ ObjC++,Wformat=, warn_format >= 1, 0) | |
a7b2e184 | 451 | Warn about format strings that contain NUL bytes. |
7332899a | 452 | |
fef3106c | 453 | Wformat-extra-args |
7332899a | 454 | C ObjC C++ ObjC++ Var(warn_format_extra_args) Warning LangEnabledBy(C ObjC C++ ObjC++,Wformat=, warn_format >= 1, 0) |
a7b2e184 | 455 | Warn if passing too many arguments to a function for its format string. |
fef3106c NB |
456 | |
457 | Wformat-nonliteral | |
7332899a | 458 | C ObjC C++ ObjC++ Var(warn_format_nonliteral) Warning LangEnabledBy(C ObjC C++ ObjC++,Wformat=, warn_format >= 2, 0) |
a7b2e184 | 459 | Warn about format strings that are not literals. |
fef3106c NB |
460 | |
461 | Wformat-security | |
7332899a | 462 | C ObjC C++ ObjC++ Var(warn_format_security) Warning LangEnabledBy(C ObjC C++ ObjC++,Wformat=, warn_format >= 2, 0) |
a7b2e184 | 463 | Warn about possible security problems with format functions. |
fef3106c | 464 | |
cbbd2b1c | 465 | Wformat-signedness |
7631f0e2 | 466 | C ObjC C++ ObjC++ Var(warn_format_signedness) Warning |
a7b2e184 | 467 | Warn about sign differences with format functions. |
cbbd2b1c | 468 | |
fef3106c | 469 | Wformat-y2k |
7332899a | 470 | C ObjC C++ ObjC++ Var(warn_format_y2k) Warning LangEnabledBy(C ObjC C++ ObjC++,Wformat=,warn_format >= 2, 0) |
a7b2e184 | 471 | Warn about strftime formats yielding 2-digit years. |
fef3106c NB |
472 | |
473 | Wformat-zero-length | |
7332899a | 474 | C ObjC C++ ObjC++ Var(warn_format_zero_length) Warning LangEnabledBy(C ObjC C++ ObjC++,Wformat=,warn_format >= 1, 0) |
a7b2e184 | 475 | Warn about zero-length formats. |
fef3106c NB |
476 | |
477 | Wformat= | |
7332899a | 478 | C ObjC C++ ObjC++ Joined RejectNegative UInteger Var(warn_format) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall, 1, 0) |
a7b2e184 | 479 | Warn about printf/scanf/strftime/strfmon format string anomalies. |
fef3106c | 480 | |
5db2e9ca | 481 | Wignored-qualifiers |
95744782 | 482 | C C++ Var(warn_ignored_qualifiers) Warning EnabledBy(Wextra) |
5db2e9ca DK |
483 | Warn whenever type qualifiers are ignored. |
484 | ||
d5c3d343 MP |
485 | Wincompatible-pointer-types |
486 | C ObjC Var(warn_incompatible_pointer_types) Init(1) Warning | |
a7b2e184 | 487 | Warn when there is a conversion between pointers that have incompatible types. |
d5c3d343 | 488 | |
3390f9c9 | 489 | Winit-self |
0ccb505d | 490 | C ObjC C++ ObjC++ Var(warn_init_self) Warning LangEnabledBy(C++ ObjC++,Wall) |
a7b2e184 | 491 | Warn about variables which are initialized to themselves. |
3390f9c9 | 492 | |
fef3106c | 493 | Wimplicit |
4a0ae68e | 494 | C ObjC Var(warn_implicit) Warning LangEnabledBy(C ObjC,Wall) |
a7b2e184 | 495 | Warn about implicit declarations. |
fef3106c | 496 | |
0a0b3574 MM |
497 | Wdouble-promotion |
498 | C ObjC C++ ObjC++ Var(warn_double_promotion) Warning | |
a7b2e184 | 499 | Warn about implicit conversions from \"float\" to \"double\". |
0a0b3574 | 500 | |
fef3106c | 501 | Wimplicit-function-declaration |
4a0ae68e | 502 | C ObjC Var(warn_implicit_function_declaration) Init(-1) Warning LangEnabledBy(C ObjC,Wimplicit) |
a7b2e184 | 503 | Warn about implicit function declarations. |
fef3106c NB |
504 | |
505 | Wimplicit-int | |
92574c7c | 506 | C ObjC Var(warn_implicit_int) Init(-1) Warning LangEnabledBy(C ObjC,Wimplicit) |
a7b2e184 | 507 | Warn when a declaration does not specify a type. |
fef3106c NB |
508 | |
509 | Wimport | |
2d2bd949 | 510 | C ObjC C++ ObjC++ Undocumented Ignore |
fef3106c | 511 | |
4514a96b JM |
512 | Winherited-variadic-ctor |
513 | C++ ObjC++ Var(warn_inh_var_ctor) Init(1) Warning | |
a7b2e184 | 514 | Warn about C++11 inheriting constructors when the base has a variadic constructor. |
4514a96b | 515 | |
52ec0ea3 MP |
516 | Wint-conversion |
517 | C ObjC Var(warn_int_conversion) Init(1) Warning | |
a7b2e184 | 518 | Warn about incompatible integer to pointer and pointer to integer conversions. |
52ec0ea3 | 519 | |
53a2494e | 520 | Wint-to-pointer-cast |
dc8d2739 | 521 | C ObjC C++ ObjC++ Var(warn_int_to_pointer_cast) Init(1) Warning |
a7b2e184 | 522 | Warn when there is a cast to a pointer from an integer of a different size. |
53a2494e | 523 | |
fef3106c | 524 | Winvalid-offsetof |
c662432e | 525 | C++ ObjC++ Var(warn_invalid_offsetof) Init(1) Warning |
a7b2e184 | 526 | Warn about invalid uses of the \"offsetof\" macro. |
fef3106c NB |
527 | |
528 | Winvalid-pch | |
b559c810 | 529 | C ObjC C++ ObjC++ CPP(warn_invalid_pch) CppReason(CPP_W_INVALID_PCH) Var(cpp_warn_invalid_pch) Init(0) Warning |
a7b2e184 | 530 | Warn about PCH files that are found but not used. |
fef3106c | 531 | |
e1b7793c | 532 | Wjump-misses-init |
f2bc201f | 533 | C ObjC Var(warn_jump_misses_init) Warning LangEnabledby(C ObjC,Wc++-compat) |
a7b2e184 | 534 | Warn when a jump misses a variable initialization. |
e1b7793c | 535 | |
7f5f5f98 | 536 | Wliteral-suffix |
b559c810 | 537 | C++ ObjC++ CPP(warn_literal_suffix) CppReason(CPP_W_LITERAL_SUFFIX) Var(cpp_warn_literal_suffix) Init(1) Warning |
7f5f5f98 OW |
538 | Warn when a string or character literal is followed by a ud-suffix which does not begin with an underscore. |
539 | ||
ca409efd | 540 | Wlogical-op |
a7b2e184 MS |
541 | C ObjC C++ ObjC++ Var(warn_logical_op) Init(0) Warning |
542 | Warn when a logical operator is suspiciously always evaluating to true or false. | |
ca409efd | 543 | |
742938c9 | 544 | Wlogical-not-parentheses |
d2e4feca | 545 | C ObjC C++ ObjC++ Var(warn_logical_not_paren) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall) |
a7b2e184 | 546 | Warn when logical not is used on the left hand side operand of a comparison. |
742938c9 | 547 | |
fef3106c | 548 | Wlong-long |
b559c810 | 549 | 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) |
a7b2e184 | 550 | Do not warn about using \"long long\" when -pedantic. |
fef3106c NB |
551 | |
552 | Wmain | |
34a180a6 | 553 | C ObjC C++ ObjC++ Var(warn_main) Init(-1) Warning LangEnabledBy(C ObjC,Wall, 2, 0) |
a7b2e184 | 554 | Warn about suspicious declarations of \"main\". |
fef3106c | 555 | |
34a180a6 MLI |
556 | Wmain |
557 | LangEnabledBy(C ObjC C++ ObjC++,Wpedantic, 2, 0) | |
558 | ; | |
559 | ||
b108f48f JJ |
560 | Wmemset-transposed-args |
561 | C ObjC C++ ObjC++ Var(warn_memset_transposed_args) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall) | |
a7b2e184 | 562 | Warn about suspicious calls to memset where the third argument is constant literal zero and the second is not. |
b108f48f | 563 | |
c3388e62 | 564 | Wmisleading-indentation |
f6069ccc | 565 | C C++ Common Var(warn_misleading_indentation) Warning LangEnabledBy(C C++,Wall) |
a7b2e184 | 566 | Warn when the indentation of the code does not reflect the block structure. |
c3388e62 | 567 | |
fef3106c | 568 | Wmissing-braces |
4f7f7aca | 569 | C ObjC C++ ObjC++ Var(warn_missing_braces) Warning LangEnabledBy(C ObjC,Wall) |
a7b2e184 | 570 | Warn about possibly missing braces around initializers. |
fef3106c NB |
571 | |
572 | Wmissing-declarations | |
c662432e | 573 | C ObjC C++ ObjC++ Var(warn_missing_declarations) Warning |
a7b2e184 | 574 | Warn about global functions without previous declarations. |
fef3106c | 575 | |
eaac4679 | 576 | Wmissing-field-initializers |
95744782 | 577 | C ObjC C++ ObjC++ Var(warn_missing_field_initializers) Warning EnabledBy(Wextra) |
a7b2e184 | 578 | Warn about missing fields in struct initializers. |
eaac4679 | 579 | |
6b333269 NS |
580 | Wmultiple-inheritance |
581 | C++ ObjC++ Var(warn_multiple_inheritance) Warning | |
a7b2e184 | 582 | Warn on direct multiple inheritance. |
6b333269 NS |
583 | |
584 | Wnamespaces | |
585 | C++ ObjC++ Var(warn_namespaces) Warning | |
a7b2e184 | 586 | Warn on namespace definition. |
6b333269 | 587 | |
20b06add JM |
588 | Wsized-deallocation |
589 | C++ ObjC++ Var(warn_sized_deallocation) Warning EnabledBy(Wextra) | |
a7b2e184 | 590 | Warn about missing sized deallocation functions. |
20b06add | 591 | |
1a4049e7 | 592 | Wsizeof-pointer-memaccess |
4a0ae68e | 593 | C ObjC C++ ObjC++ Var(warn_sizeof_pointer_memaccess) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall) |
a7b2e184 | 594 | Warn about suspicious length parameters to certain string functions if the argument uses sizeof. |
1a4049e7 | 595 | |
773ec47f MP |
596 | Wsizeof-array-argument |
597 | C ObjC C++ ObjC++ Var(warn_sizeof_array_argument) Warning Init(1) | |
a7b2e184 | 598 | Warn when sizeof is applied on a parameter declared as an array. |
773ec47f | 599 | |
90137d8f MLI |
600 | Wsuggest-attribute=format |
601 | C ObjC C++ ObjC++ Var(warn_suggest_attribute_format) Warning | |
a7b2e184 | 602 | Warn about functions which might be candidates for format attributes. |
fef3106c | 603 | |
2f42e5de TS |
604 | Wsuggest-override |
605 | C++ ObjC++ Var(warn_override) Warning | |
606 | Suggest that the override keyword be used when the declaration of a virtual | |
607 | function overrides another. | |
608 | ||
34a180a6 MLI |
609 | Wswitch |
610 | C ObjC C++ ObjC++ Var(warn_switch) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall) | |
a7b2e184 | 611 | Warn about enumerated switches, with no default, missing a case. |
34a180a6 MLI |
612 | |
613 | Wswitch-default | |
614 | C ObjC C++ ObjC++ Var(warn_switch_default) Warning | |
a7b2e184 | 615 | Warn about enumerated switches missing a \"default:\" statement. |
34a180a6 MLI |
616 | |
617 | Wswitch-enum | |
618 | C ObjC C++ ObjC++ Var(warn_switch_enum) Warning | |
a7b2e184 | 619 | Warn about all enumerated switches missing a specific case. |
34a180a6 | 620 | |
fedfecef | 621 | Wswitch-bool |
5c3d09f7 | 622 | C ObjC C++ ObjC++ Var(warn_switch_bool) Warning Init(1) |
a7b2e184 | 623 | Warn about switches with boolean controlling expression. |
fedfecef | 624 | |
6b333269 NS |
625 | Wtemplates |
626 | C++ ObjC++ Var(warn_templates) Warning | |
a7b2e184 | 627 | Warn on primary template declaration. |
6b333269 | 628 | |
90137d8f | 629 | Wmissing-format-attribute |
54d62f51 | 630 | C ObjC C++ ObjC++ Warning Alias(Wsuggest-attribute=format) |
90137d8f MLI |
631 | ; |
632 | ||
b02398bd | 633 | Wmissing-include-dirs |
b559c810 | 634 | C ObjC C++ ObjC++ CPP(warn_missing_include_dirs) CppReason(CPP_W_MISSING_INCLUDE_DIRS) Var(cpp_warn_missing_include_dirs) Init(0) Warning |
a7b2e184 | 635 | Warn about user-specified include directories that do not exist. |
b02398bd | 636 | |
cb4af25a | 637 | Wmissing-parameter-type |
95744782 | 638 | C ObjC Var(warn_missing_parameter_type) Warning EnabledBy(Wextra) |
a7b2e184 | 639 | Warn about function parameters declared without a type specifier in K&R-style functions. |
cb4af25a | 640 | |
fef3106c | 641 | Wmissing-prototypes |
c662432e | 642 | C ObjC Var(warn_missing_prototypes) Warning |
a7b2e184 | 643 | Warn about global functions without prototypes. |
fef3106c | 644 | |
5720c0dc | 645 | Wmudflap |
98906124 | 646 | C ObjC C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
5720c0dc | 647 | |
fef3106c | 648 | Wmultichar |
b559c810 | 649 | C ObjC C++ ObjC++ CPP(warn_multichar) CppReason(CPP_W_MULTICHAR) Var(cpp_warn_multichar) Init(0) Warning |
a7b2e184 | 650 | Warn about use of multi-character character constants. |
fef3106c | 651 | |
76f86d00 | 652 | Wnarrowing |
765189ff | 653 | C ObjC C++ ObjC++ Warning Var(warn_narrowing) Init(-1) LangEnabledBy(C++ ObjC++,Wall || Wc++11-compat) |
a7b2e184 | 654 | Warn about narrowing conversions within { } that are ill-formed in C++11. |
76f86d00 | 655 | |
fef3106c | 656 | Wnested-externs |
c662432e | 657 | C ObjC Var(warn_nested_externs) Warning |
a7b2e184 | 658 | Warn about \"extern\" declarations not at file scope. |
fef3106c | 659 | |
59f9c2ed JM |
660 | Wnoexcept |
661 | C++ ObjC++ Var(warn_noexcept) Warning | |
a7b2e184 | 662 | Warn when a noexcept expression evaluates to false even though the expression can't actually throw. |
59f9c2ed | 663 | |
fef3106c | 664 | Wnon-template-friend |
c662432e | 665 | C++ ObjC++ Var(warn_nontemplate_friend) Init(1) Warning |
a7b2e184 | 666 | Warn when non-templatized friend functions are declared within a template. |
fef3106c NB |
667 | |
668 | Wnon-virtual-dtor | |
880a467b | 669 | C++ ObjC++ Var(warn_nonvdtor) Warning LangEnabledBy(C++ ObjC++,Weffc++) |
a7b2e184 | 670 | Warn about non-virtual destructors. |
fef3106c NB |
671 | |
672 | Wnonnull | |
7332899a | 673 | C ObjC C++ ObjC++ Var(warn_nonnull) Warning LangEnabledBy(C ObjC C++ ObjC++,Wformat=,warn_format >= 1,0) |
a7b2e184 | 674 | Warn about NULL being passed to argument slots marked as requiring non-NULL. |
fef3106c | 675 | |
7332899a MLI |
676 | Wnonnull |
677 | C ObjC C++ ObjC++ LangEnabledBy(C ObjC C++ ObjC++,Wall) | |
678 | ; | |
679 | ||
1ef33fd4 | 680 | Wnormalized |
54d62f51 | 681 | C ObjC C++ ObjC++ Warning Alias(Wnormalized=,nfc,none) |
1ef33fd4 MLI |
682 | ; |
683 | ||
50668cf6 | 684 | Wnormalized= |
b559c810 | 685 | 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) |
a7b2e184 | 686 | -Wnormalized=<none|id|nfc|nfkc> Warn about non-normalised Unicode strings. |
1ef33fd4 MLI |
687 | |
688 | ; Required for these enum values. | |
689 | SourceInclude | |
690 | cpplib.h | |
691 | ||
692 | Enum | |
693 | Name(cpp_normalize_level) Type(int) UnknownError(argument %qs to %<-Wnormalized%> not recognized) | |
694 | ||
695 | EnumValue | |
696 | Enum(cpp_normalize_level) String(none) Value(normalized_none) | |
697 | ||
698 | EnumValue | |
699 | Enum(cpp_normalize_level) String(nfkc) Value(normalized_KC) | |
700 | ||
701 | EnumValue | |
702 | Enum(cpp_normalize_level) String(id) Value(normalized_identifier_C) | |
703 | ||
704 | EnumValue | |
705 | Enum(cpp_normalize_level) String(nfc) Value(normalized_C) | |
50668cf6 | 706 | |
fef3106c | 707 | Wold-style-cast |
c662432e | 708 | C++ ObjC++ Var(warn_old_style_cast) Warning |
a7b2e184 | 709 | Warn if a C-style cast is used in a program. |
fef3106c | 710 | |
b1ed4cb4 | 711 | Wold-style-declaration |
95744782 | 712 | C ObjC Var(warn_old_style_declaration) Warning EnabledBy(Wextra) |
a7b2e184 | 713 | Warn for obsolescent usage in a declaration. |
b1ed4cb4 | 714 | |
c034f121 | 715 | Wold-style-definition |
c662432e | 716 | C ObjC Var(warn_old_style_definition) Warning |
a7b2e184 | 717 | Warn if an old-style parameter definition is used. |
c034f121 | 718 | |
8b5e1202 SO |
719 | Wopenmp-simd |
720 | C C++ Var(warn_openmp_simd) Warning LangEnabledBy(C C++,Wall) | |
a7b2e184 | 721 | Warn if a simd directive is overridden by the vectorizer cost model. |
8b5e1202 | 722 | |
89a42ac8 | 723 | Woverlength-strings |
34a180a6 | 724 | C ObjC C++ ObjC++ Var(warn_overlength_strings) Warning LangEnabledBy(C ObjC C++ ObjC++,Wpedantic) |
a7b2e184 | 725 | Warn if a string is longer than the maximum portable length specified by the standard. |
89a42ac8 | 726 | |
fef3106c | 727 | Woverloaded-virtual |
c662432e | 728 | C++ ObjC++ Var(warn_overloaded_virtual) Warning |
a7b2e184 | 729 | Warn about overloaded virtual function names. |
fef3106c | 730 | |
7ed322d7 | 731 | Woverride-init |
95744782 | 732 | C ObjC Var(warn_override_init) Warning EnabledBy(Wextra) |
a7b2e184 | 733 | Warn about overriding initializers without side effects. |
7ed322d7 | 734 | |
755e528f MP |
735 | Woverride-init-side-effects |
736 | C ObjC Var(warn_override_init_side_effects) Init(1) Warning | |
a7b2e184 | 737 | Warn about overriding initializers with side effects. |
755e528f | 738 | |
2cd36c22 | 739 | Wpacked-bitfield-compat |
bee6fa6d | 740 | C ObjC C++ ObjC++ Var(warn_packed_bitfield_compat) Init(-1) Warning |
a7b2e184 | 741 | Warn about packed bit-fields whose offset changed in GCC 4.4. |
2cd36c22 | 742 | |
fef3106c | 743 | Wparentheses |
4a0ae68e | 744 | C ObjC C++ ObjC++ Var(warn_parentheses) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall) |
a7b2e184 | 745 | Warn about possibly missing parentheses. |
fef3106c | 746 | |
c1771a20 | 747 | Wpedantic |
b559c810 | 748 | C ObjC C++ ObjC++ CPP(cpp_pedantic) CppReason(CPP_W_PEDANTIC) Warning |
c1771a20 MLI |
749 | ; Documented in common.opt |
750 | ||
fef3106c | 751 | Wpmf-conversions |
c662432e | 752 | C++ ObjC++ Var(warn_pmf2ptr) Init(1) Warning |
a7b2e184 | 753 | Warn when converting the type of pointers to member functions. |
fef3106c NB |
754 | |
755 | Wpointer-arith | |
44d90fe1 | 756 | C ObjC C++ ObjC++ Var(warn_pointer_arith) Warning LangEnabledBy(C ObjC C++ ObjC++,Wpedantic) |
a7b2e184 | 757 | Warn about function pointer arithmetic. |
fef3106c | 758 | |
4a0ae68e | 759 | Wpointer-sign |
27e51192 | 760 | C ObjC Var(warn_pointer_sign) Warning LangEnabledBy(C ObjC,Wall || Wpedantic) |
a7b2e184 | 761 | Warn when a pointer differs in signedness in an assignment. |
4a0ae68e | 762 | |
53a2494e | 763 | Wpointer-to-int-cast |
c662432e | 764 | C ObjC Var(warn_pointer_to_int_cast) Init(1) Warning |
a7b2e184 | 765 | Warn when a pointer is cast to an integer of a different size. |
53a2494e | 766 | |
b9b8dde3 | 767 | Wpragmas |
c662432e | 768 | C ObjC C++ ObjC++ Var(warn_pragmas) Init(1) Warning |
a7b2e184 | 769 | Warn about misuses of pragmas. |
b9b8dde3 | 770 | |
9a179d01 NP |
771 | Wproperty-assign-default |
772 | ObjC ObjC++ Var(warn_property_assign_default) Init(1) Warning | |
a7b2e184 | 773 | Warn if a property for an Objective-C object has no assign semantics specified. |
9a179d01 | 774 | |
fef3106c | 775 | Wprotocol |
c662432e | 776 | ObjC ObjC++ Var(warn_protocol) Init(1) Warning |
a7b2e184 | 777 | Warn if inherited methods are unimplemented. |
fef3106c | 778 | |
e2f5cc96 | 779 | Wplacement-new |
46cb9332 MS |
780 | C++ Warning Alias(Wplacement-new=, 1, 0) |
781 | Warn for placement new expressions with undefined behavior. | |
782 | ||
783 | Wplacement-new= | |
784 | C++ Joined RejectNegative UInteger Var(warn_placement_new) Init(-1) Warning | |
eb11eb15 | 785 | Warn for placement new expressions with undefined behavior. |
e2f5cc96 | 786 | |
fef3106c | 787 | Wredundant-decls |
c662432e | 788 | C ObjC C++ ObjC++ Var(warn_redundant_decls) Warning |
a7b2e184 | 789 | Warn about multiple declarations of the same object. |
fef3106c NB |
790 | |
791 | Wreorder | |
f2bc201f | 792 | C++ ObjC++ Var(warn_reorder) Warning LangEnabledBy(C++ ObjC++,Wall) |
a7b2e184 | 793 | Warn when the compiler reorders code. |
fef3106c NB |
794 | |
795 | Wreturn-type | |
4a0ae68e | 796 | C ObjC C++ ObjC++ Var(warn_return_type) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall) |
a7b2e184 | 797 | Warn whenever a function's return type defaults to \"int\" (C), or about inconsistent return types (C++). |
fef3106c | 798 | |
ee45a32d EB |
799 | Wscalar-storage-order |
800 | C ObjC C++ ObjC++ Init(1) Warning | |
801 | Warn on suspicious constructs involving reverse scalar storage order. | |
802 | ||
fef3106c | 803 | Wselector |
c662432e | 804 | ObjC ObjC++ Var(warn_selector) Warning |
a7b2e184 | 805 | Warn if a selector has multiple methods. |
fef3106c | 806 | |
13c21655 PC |
807 | Wsequence-point |
808 | C ObjC C++ ObjC++ Var(warn_sequence_point) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall) | |
a7b2e184 | 809 | Warn about possible violations of sequence point rules. |
13c21655 | 810 | |
dcaaa5a0 | 811 | Wshadow-ivar |
dff8943f | 812 | ObjC ObjC++ Var(warn_shadow_ivar) EnabledBy(Wshadow) Init(1) Warning |
a7b2e184 | 813 | Warn if a local declaration hides an instance variable. |
dcaaa5a0 | 814 | |
451b5e48 MP |
815 | Wshift-overflow |
816 | C ObjC C++ ObjC++ Warning Alias(Wshift-overflow=, 1, 0) | |
a7b2e184 | 817 | Warn if left shift of a signed value overflows. |
451b5e48 MP |
818 | |
819 | Wshift-overflow= | |
820 | C ObjC C++ ObjC++ Joined RejectNegative UInteger Var(warn_shift_overflow) Init(-1) Warning | |
a7b2e184 | 821 | Warn if left shift of a signed value overflows. |
451b5e48 | 822 | |
13c21655 PC |
823 | Wshift-count-negative |
824 | C ObjC C++ ObjC++ Var(warn_shift_count_negative) Init(1) Warning | |
a7b2e184 | 825 | Warn if shift count is negative. |
13c21655 PC |
826 | |
827 | Wshift-count-overflow | |
828 | C ObjC C++ ObjC++ Var(warn_shift_count_overflow) Init(1) Warning | |
a7b2e184 | 829 | Warn if shift count >= width of type. |
fef3106c | 830 | |
0173bd2a MP |
831 | Wshift-negative-value |
832 | C ObjC C++ ObjC++ Var(warn_shift_negative_value) Init(-1) Warning | |
a7b2e184 | 833 | Warn if left shifting a negative value. |
0173bd2a | 834 | |
fef3106c | 835 | Wsign-compare |
4a0ae68e | 836 | C ObjC C++ ObjC++ Var(warn_sign_compare) Warning LangEnabledBy(C++ ObjC++,Wall) |
a7b2e184 | 837 | Warn about signed-unsigned comparisons. |
fef3106c | 838 | |
4a0ae68e MLI |
839 | Wsign-compare |
840 | C ObjC C++ ObjC++ EnabledBy(Wextra) | |
841 | ; | |
842 | ||
843 | Wsign-conversion | |
63bbf46d | 844 | C ObjC C++ ObjC++ Var(warn_sign_conversion) Warning LangEnabledBy(C ObjC,Wconversion) |
a7b2e184 | 845 | Warn for implicit type conversions between signed and unsigned integers. |
4a0ae68e | 846 | |
fef3106c | 847 | Wsign-promo |
c662432e | 848 | C++ ObjC++ Var(warn_sign_promo) Warning |
a7b2e184 | 849 | Warn when overload promotes from unsigned to signed. |
fef3106c | 850 | |
b2f97e4a | 851 | Wstrict-null-sentinel |
5498f011 | 852 | C++ ObjC++ Warning Var(warn_strict_null_sentinel) |
a7b2e184 | 853 | Warn about uncasted NULL used as sentinel. |
b2f97e4a | 854 | |
fef3106c | 855 | Wstrict-prototypes |
c662432e | 856 | C ObjC Var(warn_strict_prototypes) Warning |
a7b2e184 | 857 | Warn about unprototyped function declarations. |
fef3106c | 858 | |
65d4f2cd MLI |
859 | Wstrict-aliasing= |
860 | C ObjC C++ ObjC++ LangEnabledBy(C ObjC C++ ObjC++,Wall, 3, 0) | |
861 | ; | |
862 | ||
863 | Wstrict-overflow= | |
864 | C ObjC C++ ObjC++ LangEnabledBy(C ObjC C++ ObjC++,Wall, 1, 0) | |
865 | ; | |
866 | ||
6e955430 | 867 | Wstrict-selector-match |
c662432e | 868 | ObjC ObjC++ Var(warn_strict_selector_match) Warning |
a7b2e184 | 869 | Warn if type signatures of candidate methods do not match exactly. |
6e955430 | 870 | |
23462d4d UB |
871 | Wsync-nand |
872 | C C++ Var(warn_sync_nand) Init(1) Warning | |
a7b2e184 | 873 | Warn when __sync_fetch_and_nand and __sync_nand_and_fetch built-in functions are used. |
23462d4d | 874 | |
fef3106c | 875 | Wsynth |
c662432e | 876 | C++ ObjC++ Var(warn_synth) Warning |
a7b2e184 | 877 | Deprecated. This switch has no effect. |
fef3106c NB |
878 | |
879 | Wsystem-headers | |
c662432e | 880 | C ObjC C++ ObjC++ Warning |
9a0f3e86 | 881 | ; Documented in common.opt |
fef3106c | 882 | |
05b28fd6 MP |
883 | Wtautological-compare |
884 | C ObjC C++ ObjC++ Var(warn_tautological_compare) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall) | |
a7b2e184 | 885 | Warn if a comparison always evaluates to true or false. |
05b28fd6 | 886 | |
8243e2a9 JM |
887 | Wterminate |
888 | C++ ObjC++ Warning Var(warn_terminate) Init(1) | |
a7b2e184 | 889 | Warn if a throw expression will always result in a call to terminate(). |
8243e2a9 | 890 | |
fef3106c | 891 | Wtraditional |
b559c810 | 892 | C ObjC CPP(cpp_warn_traditional) CppReason(CPP_W_TRADITIONAL) Var(warn_traditional) Init(0) Warning |
a7b2e184 | 893 | Warn about features not present in traditional C. |
fef3106c | 894 | |
05170031 | 895 | Wtraditional-conversion |
c662432e | 896 | C ObjC Var(warn_traditional_conversion) Warning |
a7b2e184 | 897 | Warn of prototypes causing type conversions different from what would happen in the absence of prototype. |
05170031 | 898 | |
fef3106c | 899 | Wtrigraphs |
b559c810 | 900 | C ObjC C++ ObjC++ CPP(warn_trigraphs) CppReason(CPP_W_TRIGRAPHS) Var(cpp_warn_trigraphs) Init(2) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall) |
a7b2e184 | 901 | Warn if trigraphs are encountered that might affect the meaning of the program. |
fef3106c NB |
902 | |
903 | Wundeclared-selector | |
c662432e | 904 | ObjC ObjC++ Var(warn_undeclared_selector) Warning |
a7b2e184 | 905 | Warn about @selector()s without previously declared methods. |
fef3106c NB |
906 | |
907 | Wundef | |
b559c810 | 908 | C ObjC C++ ObjC++ CPP(warn_undef) CppReason(CPP_W_UNDEF) Var(cpp_warn_undef) Init(0) Warning |
a7b2e184 | 909 | Warn if an undefined macro is used in an #if directive. |
fef3106c | 910 | |
4a0ae68e MLI |
911 | Wuninitialized |
912 | C ObjC C++ ObjC++ LangEnabledBy(C ObjC C++ ObjC++,Wall) | |
913 | ; | |
914 | ||
915 | Wmaybe-uninitialized | |
916 | C ObjC C++ ObjC++ LangEnabledBy(C ObjC C++ ObjC++,Wall) | |
917 | ; | |
918 | ||
fef3106c | 919 | Wunknown-pragmas |
34a180a6 | 920 | C ObjC C++ ObjC++ Warning Var(warn_unknown_pragmas) LangEnabledBy(C ObjC C++ ObjC++,Wall, 1, 0) |
a7b2e184 | 921 | Warn about unrecognized pragmas. |
fef3106c | 922 | |
6ec637a4 JJ |
923 | Wunsuffixed-float-constants |
924 | C ObjC Var(warn_unsuffixed_float_constants) Warning | |
a7b2e184 | 925 | Warn about unsuffixed float constants. |
6ec637a4 | 926 | |
4a0ae68e MLI |
927 | Wunused |
928 | C ObjC C++ ObjC++ LangEnabledBy(C ObjC C++ ObjC++,Wall) | |
929 | ; documented in common.opt | |
930 | ||
3797cb21 | 931 | Wunused-local-typedefs |
650dc14a | 932 | C ObjC C++ ObjC++ Var(warn_unused_local_typedefs) Warning EnabledBy(Wunused) |
a7b2e184 | 933 | Warn when typedefs locally defined in a function are not used. |
3797cb21 | 934 | |
fef3106c | 935 | Wunused-macros |
b559c810 | 936 | C ObjC C++ ObjC++ CppReason(CPP_W_UNUSED_MACROS) Var(cpp_warn_unused_macros) Warning |
a7b2e184 | 937 | Warn about macros defined in the main file that are not used. |
fef3106c | 938 | |
156f545a MLI |
939 | Wunused-result |
940 | C ObjC C++ ObjC++ Var(warn_unused_result) Init(1) Warning | |
a7b2e184 | 941 | Warn if a caller of a function, marked with attribute warn_unused_result, does not use its return value. |
156f545a | 942 | |
0f876f22 MW |
943 | Wunused-variable |
944 | C ObjC C++ ObjC++ LangEnabledBy(C ObjC C++ ObjC++,Wunused) | |
945 | ; documented in common.opt | |
946 | ||
947 | Wunused-const-variable | |
948 | C ObjC C++ ObjC++ Var(warn_unused_const_variable) Warning LangEnabledBy(C ObjC,Wunused-variable) | |
a7b2e184 | 949 | Warn when a const variable is unused. |
0f876f22 | 950 | |
e5b79219 | 951 | Wvariadic-macros |
27e51192 | 952 | 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) |
a7b2e184 | 953 | Warn about using variadic macros. |
e5b79219 | 954 | |
b9c8da34 DS |
955 | Wvarargs |
956 | C ObjC C++ ObjC++ Warning Var(warn_varargs) Init(1) | |
a7b2e184 | 957 | Warn about questionable usage of the macros used to retrieve variable arguments. |
b9c8da34 | 958 | |
50d50fc7 SP |
959 | Wvla |
960 | C ObjC C++ ObjC++ Var(warn_vla) Init(-1) Warning | |
a7b2e184 | 961 | Warn if a variable length array is used. |
50d50fc7 | 962 | |
16302daf | 963 | Wvolatile-register-var |
4a0ae68e | 964 | C ObjC C++ ObjC++ Var(warn_volatile_register_var) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall) |
a7b2e184 | 965 | Warn when a register variable is declared volatile. |
16302daf | 966 | |
6b333269 NS |
967 | Wvirtual-inheritance |
968 | C++ ObjC++ Var(warn_virtual_inheritance) Warning | |
a7b2e184 | 969 | Warn on direct virtual inheritance. |
6b333269 | 970 | |
f14edc1a JM |
971 | Wvirtual-move-assign |
972 | C++ ObjC++ Var(warn_virtual_move_assign) Warning Init(1) | |
a7b2e184 | 973 | Warn if a virtual base has a non-trivial move assignment operator. |
f14edc1a | 974 | |
fef3106c | 975 | Wwrite-strings |
c662432e | 976 | C ObjC C++ ObjC++ Var(warn_write_strings) Warning |
d8a07487 | 977 | 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 | 978 | |
89401152 PC |
979 | Wzero-as-null-pointer-constant |
980 | C++ ObjC++ Var(warn_zero_as_null_pointer_constant) Warning | |
a7b2e184 | 981 | Warn when a literal '0' is used as null pointer. |
89401152 | 982 | |
04398fa8 PC |
983 | Wuseless-cast |
984 | C++ ObjC++ Var(warn_useless_cast) Warning | |
a7b2e184 | 985 | Warn about useless casts. |
04398fa8 | 986 | |
273aa49e PC |
987 | Wsubobject-linkage |
988 | C++ ObjC++ Var(warn_subobject_linkage) Warning Init(1) | |
a7b2e184 | 989 | Warn if a class type has a base or a field whose type uses the anonymous namespace or depends on a type with no linkage. |
273aa49e | 990 | |
fef3106c NB |
991 | ansi |
992 | C ObjC C++ ObjC++ | |
a7b2e184 | 993 | A synonym for -std=c89 (for C) or -std=c++98 (for C++). |
fef3106c NB |
994 | |
995 | d | |
996 | C ObjC C++ ObjC++ Joined | |
72de27ea | 997 | ; Documented in common.opt. FIXME - what about -dI, -dD, -dN and -dD? |
fef3106c | 998 | |
62984918 JM |
999 | fabi-compat-version= |
1000 | C++ ObjC++ Joined RejectNegative UInteger Var(flag_abi_compat_version) Init(-1) | |
a7b2e184 | 1001 | The version of the C++ ABI used for -Wabi warnings and link compatibility aliases. |
62984918 | 1002 | |
fef3106c | 1003 | faccess-control |
5498f011 | 1004 | C++ ObjC++ Var(flag_access_control) Init(1) |
a7b2e184 | 1005 | Enforce class member access control semantics. |
fef3106c | 1006 | |
da5182be TQ |
1007 | fada-spec-parent= |
1008 | C ObjC C++ ObjC++ RejectNegative Joined Var(ada_specs_parent) | |
a7b2e184 | 1009 | -fada-spec-parent=unit Dump Ada specs as child units of given parent. |
da5182be | 1010 | |
fef3106c | 1011 | fall-virtual |
2d2bd949 | 1012 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
fef3106c | 1013 | |
6637388f TG |
1014 | fallow-parameterless-variadic-functions |
1015 | C ObjC Var(flag_allow_parameterless_variadic_functions) | |
a7b2e184 | 1016 | Allow variadic functions without named parameter. |
6637388f | 1017 | |
fef3106c | 1018 | falt-external-templates |
2d2bd949 | 1019 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
a7b2e184 | 1020 | No longer supported. |
fef3106c NB |
1021 | |
1022 | fasm | |
5498f011 | 1023 | C ObjC C++ ObjC++ Var(flag_no_asm, 0) |
a7b2e184 | 1024 | Recognize the \"asm\" keyword. |
fef3106c | 1025 | |
10e48e39 RO |
1026 | ; Define extra predefined macros for use in libgcc. |
1027 | fbuilding-libgcc | |
1028 | C ObjC C++ ObjC++ Undocumented Var(flag_building_libgcc) | |
1029 | ||
fef3106c | 1030 | fbuiltin |
5498f011 | 1031 | C ObjC C++ ObjC++ Var(flag_no_builtin, 0) |
a7b2e184 | 1032 | Recognize built-in functions. |
fef3106c NB |
1033 | |
1034 | fbuiltin- | |
1035 | C ObjC C++ ObjC++ Joined | |
1036 | ||
5dc99c46 SB |
1037 | fcanonical-system-headers |
1038 | C ObjC C++ ObjC++ | |
1039 | Where shorter, use canonicalized paths to systems headers. | |
1040 | ||
d5e254e1 | 1041 | fcheck-pointer-bounds |
79d64904 | 1042 | C ObjC C++ ObjC++ LTO Report Var(flag_check_pointer_bounds) |
d5e254e1 IE |
1043 | Add Pointer Bounds Checker instrumentation. fchkp-* flags are used to |
1044 | control instrumentation. Currently available for C, C++ and ObjC. | |
1045 | ||
1046 | fchkp-check-incomplete-type | |
79d64904 | 1047 | C ObjC C++ ObjC++ LTO Report Var(flag_chkp_incomplete_type) Init(1) |
a7b2e184 | 1048 | Generate pointer bounds checks for variables with incomplete type. |
d5e254e1 IE |
1049 | |
1050 | fchkp-zero-input-bounds-for-main | |
79d64904 | 1051 | C ObjC C++ ObjC++ LTO Report Var(flag_chkp_zero_input_bounds_for_main) Init(0) |
d5e254e1 IE |
1052 | Use zero bounds for all incoming arguments in 'main' function. It helps when |
1053 | instrumented binaries are used with legacy libs. | |
1054 | ||
1055 | fchkp-first-field-has-own-bounds | |
79d64904 | 1056 | C ObjC C++ ObjC++ LTO RejectNegative Report Var(flag_chkp_first_field_has_own_bounds) |
d5e254e1 IE |
1057 | Forces Pointer Bounds Checker to use narrowed bounds for address of the first |
1058 | field in the structure. By default pointer to the first field has the same | |
1059 | bounds as pointer to the whole structure. | |
1060 | ||
1061 | fchkp-narrow-bounds | |
79d64904 | 1062 | C ObjC C++ ObjC++ LTO Report Var(flag_chkp_narrow_bounds) Init(1) |
d5e254e1 IE |
1063 | Control how Pointer Bounds Checker handle pointers to object fields. When |
1064 | narrowing is on, field bounds are used. Otherwise full object bounds are used. | |
1065 | ||
1066 | fchkp-narrow-to-innermost-array | |
79d64904 | 1067 | C ObjC C++ ObjC++ LTO RejectNegative Report Var(flag_chkp_narrow_to_innermost_arrray) |
d5e254e1 IE |
1068 | Forces Pointer Bounds Checker to use bounds of the innermost arrays in case of |
1069 | nested static arryas access. By default outermost array is used. | |
1070 | ||
1071 | fchkp-optimize | |
1072 | C ObjC C++ ObjC++ LTO Report Var(flag_chkp_optimize) Init(-1) | |
1073 | Allow Pointer Bounds Checker optimizations. By default allowed | |
1074 | on optimization levels >0. | |
1075 | ||
1076 | fchkp-use-fast-string-functions | |
1077 | C ObjC C++ ObjC++ LTO Report Var(flag_chkp_use_fast_string_functions) Init(0) | |
1078 | Allow to use *_nobnd versions of string functions by Pointer Bounds Checker. | |
1079 | ||
1080 | fchkp-use-nochk-string-functions | |
1081 | C ObjC C++ ObjC++ LTO Report Var(flag_chkp_use_nochk_string_functions) Init(0) | |
1082 | Allow to use *_nochk versions of string functions by Pointer Bounds Checker. | |
1083 | ||
1084 | fchkp-use-static-bounds | |
79d64904 | 1085 | C ObjC C++ ObjC++ LTO Report Var(flag_chkp_use_static_bounds) Init(1) |
d5e254e1 IE |
1086 | Use statically initialized variable for vars bounds instead of |
1087 | generating them each time it is required. | |
1088 | ||
1089 | fchkp-use-static-const-bounds | |
79d64904 | 1090 | C ObjC C++ ObjC++ LTO Report Var(flag_chkp_use_static_const_bounds) Init(-1) |
d5e254e1 IE |
1091 | Use statically initialized variable for constant bounds instead of |
1092 | generating them each time it is required. | |
1093 | ||
1094 | fchkp-treat-zero-dynamic-size-as-infinite | |
79d64904 | 1095 | C ObjC C++ ObjC++ LTO Report Var(flag_chkp_zero_dynamic_size_as_infinite) Init(0) |
d5e254e1 IE |
1096 | With this option zero size obtained dynamically for objects with |
1097 | incomplete type will be treated as infinite. | |
1098 | ||
1099 | fchkp-check-read | |
1100 | C ObjC C++ ObjC++ LTO Report Var(flag_chkp_check_read) Init(1) | |
1101 | Generate checks for all read accesses to memory. | |
1102 | ||
1103 | fchkp-check-write | |
1104 | C ObjC C++ ObjC++ LTO Report Var(flag_chkp_check_write) Init(1) | |
1105 | Generate checks for all write accesses to memory. | |
1106 | ||
1107 | fchkp-store-bounds | |
1108 | C ObjC C++ ObjC++ LTO Report Var(flag_chkp_store_bounds) Init(1) | |
1109 | Generate bounds stores for pointer writes. | |
1110 | ||
1111 | fchkp-instrument-calls | |
1112 | C ObjC C++ ObjC++ LTO Report Var(flag_chkp_instrument_calls) Init(1) | |
1113 | Generate bounds passing for calls. | |
1114 | ||
1115 | fchkp-instrument-marked-only | |
1116 | C ObjC C++ ObjC++ LTO Report Var(flag_chkp_instrument_marked_only) Init(0) | |
1117 | Instrument only functions marked with bnd_instrument attribute. | |
1118 | ||
226d62d2 IE |
1119 | fchkp-use-wrappers |
1120 | C ObjC C++ ObjC++ LTO Report Var(flag_chkp_use_wrappers) Init(1) | |
1121 | Transform instrumented builtin calls into calls to wrappers. | |
1122 | ||
5373cd33 IE |
1123 | static-libmpx |
1124 | Driver | |
1125 | ||
d2d7e672 IE |
1126 | static-libmpxwrappers |
1127 | Driver | |
1128 | ||
36536d79 | 1129 | fcilkplus |
b72271b9 | 1130 | C ObjC C++ ObjC++ LTO Report Var(flag_cilkplus) Init(0) |
a7b2e184 | 1131 | Enable Cilk Plus. |
36536d79 | 1132 | |
971e17ff AS |
1133 | fconcepts |
1134 | C++ ObjC++ Var(flag_concepts) | |
a7b2e184 | 1135 | Enable support for C++ concepts. |
971e17ff | 1136 | |
fef3106c NB |
1137 | fcond-mismatch |
1138 | C ObjC C++ ObjC++ | |
a7b2e184 | 1139 | Allow the arguments of the '?' operator to have different types. |
fef3106c NB |
1140 | |
1141 | fconserve-space | |
5498f011 | 1142 | C++ ObjC++ Var(flag_conserve_space) |
6f07a821 | 1143 | Does nothing. Preserved for backward compatibility. |
fef3106c | 1144 | |
fef3106c | 1145 | fconstant-string-class= |
61ff2bdc | 1146 | ObjC ObjC++ Joined MissingArgError(no class name specified with %qs) |
a7b2e184 | 1147 | -fconst-string-class=<name> Use class <name> for constant strings. |
fef3106c | 1148 | |
17bc631c | 1149 | fconstexpr-depth= |
49a000c3 | 1150 | C++ ObjC++ Joined RejectNegative UInteger Var(max_constexpr_depth) Init(512) |
a7b2e184 | 1151 | -fconstexpr-depth=<number> Specify maximum constexpr recursion depth. |
17bc631c | 1152 | |
847e697a TT |
1153 | fdebug-cpp |
1154 | C ObjC C++ ObjC++ | |
a7b2e184 | 1155 | Emit debug annotations during preprocessing. |
847e697a | 1156 | |
5f5babf1 | 1157 | fdeduce-init-list |
15694fdd | 1158 | C++ ObjC++ Var(flag_deduce_init_list) Init(0) |
a7b2e184 | 1159 | -fdeduce-init-list enable deduction of std::initializer_list for a template type parameter from a brace-enclosed initializer-list. |
5f5babf1 | 1160 | |
1f26ac87 JM |
1161 | fdeclone-ctor-dtor |
1162 | C++ ObjC++ Var(flag_declone_ctor_dtor) Init(-1) | |
a7b2e184 | 1163 | Factor complex constructors and destructors to favor space over speed. |
1f26ac87 | 1164 | |
fef3106c | 1165 | fdefault-inline |
2d2bd949 | 1166 | C++ ObjC++ Ignore |
5498f011 | 1167 | Does nothing. Preserved for backward compatibility. |
fef3106c | 1168 | |
ccfc4c91 OW |
1169 | fdirectives-only |
1170 | C ObjC C++ ObjC++ | |
1171 | Preprocess directives only. | |
1172 | ||
fef3106c NB |
1173 | fdollars-in-identifiers |
1174 | C ObjC C++ ObjC++ | |
a7b2e184 | 1175 | Permit '$' as an identifier character. |
fef3106c | 1176 | |
3b78de56 AC |
1177 | fdump-ada-spec |
1178 | C ObjC C++ ObjC++ RejectNegative Var(flag_dump_ada_spec) | |
a7b2e184 | 1179 | Write all declarations as Ada code transitively. |
3b78de56 AC |
1180 | |
1181 | fdump-ada-spec-slim | |
1182 | C ObjC C++ ObjC++ RejectNegative Var(flag_dump_ada_spec_slim) | |
a7b2e184 | 1183 | Write all declarations as Ada code for the given file only. |
3b78de56 | 1184 | |
fef3106c | 1185 | felide-constructors |
5498f011 | 1186 | C++ ObjC++ Var(flag_elide_constructors) Init(1) |
fef3106c NB |
1187 | |
1188 | fenforce-eh-specs | |
5498f011 | 1189 | C++ ObjC++ Var(flag_enforce_eh_specs) Init(1) |
a7b2e184 | 1190 | Generate code to check exception specifications. |
fef3106c NB |
1191 | |
1192 | fenum-int-equiv | |
2d2bd949 | 1193 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
fef3106c | 1194 | |
e6cc3a24 ZW |
1195 | fexec-charset= |
1196 | C ObjC C++ ObjC++ Joined RejectNegative | |
a7b2e184 | 1197 | -fexec-charset=<cset> Convert all strings and character constants to character set <cset>. |
e6cc3a24 | 1198 | |
af15a2fe JM |
1199 | fextended-identifiers |
1200 | C ObjC C++ ObjC++ | |
a7b2e184 | 1201 | Permit universal character names (\\u and \\U) in identifiers. |
af15a2fe | 1202 | |
16dd5cfe EC |
1203 | finput-charset= |
1204 | C ObjC C++ ObjC++ Joined RejectNegative | |
a7b2e184 | 1205 | -finput-charset=<cset> Specify the default character set for source files. |
16dd5cfe | 1206 | |
5af057d8 JM |
1207 | fextern-tls-init |
1208 | C++ ObjC++ Var(flag_extern_tls_init) Init(-1) | |
a7b2e184 | 1209 | Support dynamic initialization of thread-local variables in a different translation unit. |
16dd5cfe | 1210 | |
fef3106c | 1211 | fexternal-templates |
2d2bd949 | 1212 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
fef3106c | 1213 | |
fef3106c | 1214 | ffor-scope |
5498f011 | 1215 | C++ ObjC++ Var(flag_new_for_scope) Init(1) |
a7b2e184 | 1216 | Scope of for-init-statement variables is local to the loop. |
fef3106c NB |
1217 | |
1218 | ffreestanding | |
820b51ae | 1219 | C ObjC C++ ObjC++ |
a7b2e184 | 1220 | Do not assume that standard C libraries and \"main\" exist. |
fef3106c NB |
1221 | |
1222 | fgnu-keywords | |
5498f011 | 1223 | C++ ObjC++ Var(flag_no_gnu_keywords, 0) |
a7b2e184 | 1224 | Recognize GNU-defined keywords. |
fef3106c NB |
1225 | |
1226 | fgnu-runtime | |
fb5610fb | 1227 | ObjC ObjC++ LTO Report RejectNegative Var(flag_next_runtime,0) Init(NEXT_OBJC_RUNTIME) |
a7b2e184 | 1228 | Generate code for GNU runtime environment. |
fef3106c | 1229 | |
da1c7394 | 1230 | fgnu89-inline |
2cbac420 | 1231 | C ObjC Var(flag_gnu89_inline) Init(-1) |
a7b2e184 | 1232 | Use traditional GNU semantics for inline functions. |
da1c7394 | 1233 | |
fef3106c | 1234 | fguiding-decls |
2d2bd949 | 1235 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
fef3106c NB |
1236 | |
1237 | fhandle-exceptions | |
2d2bd949 | 1238 | C++ ObjC++ Optimization Alias(fexceptions) Warn({-fhandle-exceptions has been renamed -fexceptions (and is now on by default)}) |
fef3106c NB |
1239 | |
1240 | fhonor-std | |
2d2bd949 | 1241 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
fef3106c NB |
1242 | |
1243 | fhosted | |
1244 | C ObjC | |
a7b2e184 | 1245 | Assume normal C execution environment. |
fef3106c NB |
1246 | |
1247 | fhuge-objects | |
2d2bd949 | 1248 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
a7b2e184 | 1249 | No longer supported. |
fef3106c NB |
1250 | |
1251 | fimplement-inlines | |
5498f011 | 1252 | C++ ObjC++ Var(flag_implement_inlines) Init(1) |
a7b2e184 | 1253 | Export functions even if they can be inlined. |
fef3106c NB |
1254 | |
1255 | fimplicit-inline-templates | |
5498f011 | 1256 | C++ ObjC++ Var(flag_implicit_inline_templates) Init(1) |
a7b2e184 | 1257 | Emit implicit instantiations of inline templates. |
fef3106c NB |
1258 | |
1259 | fimplicit-templates | |
5498f011 | 1260 | C++ ObjC++ Var(flag_implicit_templates) Init(1) |
a7b2e184 | 1261 | Emit implicit instantiations of templates. |
fef3106c | 1262 | |
d63d5d0c | 1263 | ffriend-injection |
2cbac420 | 1264 | C++ ObjC++ Var(flag_friend_injection) |
a7b2e184 | 1265 | Inject friend functions into enclosing namespace. |
d63d5d0c | 1266 | |
47ea1edf DK |
1267 | fkeep-inline-dllexport |
1268 | C C++ ObjC ObjC++ Var(flag_keep_inline_dllexport) Init(1) Report Condition(TARGET_DLLIMPORT_DECL_ATTRIBUTES) | |
a7b2e184 | 1269 | Don't emit dllexported inline functions unless needed. |
47ea1edf | 1270 | |
fef3106c | 1271 | flabels-ok |
2d2bd949 | 1272 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
fef3106c | 1273 | |
00c8e9f6 | 1274 | flax-vector-conversions |
5498f011 | 1275 | C ObjC C++ ObjC++ Var(flag_lax_vector_conversions) |
00c8e9f6 MS |
1276 | Allow implicit conversions between vectors with differing numbers of subparts and/or differing element types. |
1277 | ||
fef3106c | 1278 | fms-extensions |
5498f011 | 1279 | C ObjC C++ ObjC++ Var(flag_ms_extensions) |
a7b2e184 | 1280 | Don't warn about uses of Microsoft extensions. |
fef3106c | 1281 | |
5720c0dc | 1282 | fmudflap |
98906124 | 1283 | C ObjC C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
5720c0dc RG |
1284 | |
1285 | fmudflapth | |
98906124 | 1286 | C ObjC C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
5720c0dc RG |
1287 | |
1288 | fmudflapir | |
98906124 | 1289 | C ObjC C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
5720c0dc | 1290 | |
fef3106c | 1291 | fname-mangling-version- |
2d2bd949 | 1292 | C++ ObjC++ Joined Ignore Warn(switch %qs is no longer supported) |
fef3106c NB |
1293 | |
1294 | fnew-abi | |
2d2bd949 | 1295 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
fef3106c NB |
1296 | |
1297 | fnext-runtime | |
fb5610fb | 1298 | ObjC ObjC++ LTO Report RejectNegative Var(flag_next_runtime) |
a7b2e184 | 1299 | Generate code for NeXT (Apple Mac OS X) runtime environment. |
264fa2db ZL |
1300 | |
1301 | fnil-receivers | |
5498f011 | 1302 | ObjC ObjC++ Var(flag_nil_receivers) Init(1) |
a7b2e184 | 1303 | Assume that receivers of Objective-C messages may be nil. |
fef3106c | 1304 | |
dcaaa5a0 DP |
1305 | flocal-ivars |
1306 | ObjC ObjC++ Var(flag_local_ivars) Init(1) | |
1307 | Allow access to instance variables as if they were local declarations within instance method implementations. | |
1308 | ||
1309 | fivar-visibility= | |
1310 | ObjC ObjC++ Joined RejectNegative Enum(ivar_visibility) Var(default_ivar_visibility) Init(IVAR_VISIBILITY_PROTECTED) | |
a7b2e184 | 1311 | -fvisibility=[private|protected|public|package] Set the default symbol visibility. |
dcaaa5a0 DP |
1312 | |
1313 | Enum | |
1314 | Name(ivar_visibility) Type(enum ivar_visibility) UnknownError(unrecognized ivar visibility value %qs) | |
1315 | ||
1316 | EnumValue | |
1317 | Enum(ivar_visibility) String(private) Value(IVAR_VISIBILITY_PRIVATE) | |
1318 | ||
1319 | EnumValue | |
1320 | Enum(ivar_visibility) String(protected) Value(IVAR_VISIBILITY_PROTECTED) | |
1321 | ||
1322 | EnumValue | |
1323 | Enum(ivar_visibility) String(public) Value(IVAR_VISIBILITY_PUBLIC) | |
1324 | ||
1325 | EnumValue | |
1326 | Enum(ivar_visibility) String(package) Value(IVAR_VISIBILITY_PACKAGE) | |
1327 | ||
fef3106c | 1328 | fnonansi-builtins |
5498f011 | 1329 | C++ ObjC++ Var(flag_no_nonansi_builtin, 0) |
fef3106c NB |
1330 | |
1331 | fnonnull-objects | |
2d2bd949 | 1332 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
fef3106c | 1333 | |
9feb3d6a JM |
1334 | fnothrow-opt |
1335 | C++ ObjC++ Optimization Var(flag_nothrow_opt) | |
a7b2e184 | 1336 | Treat a throw() exception specification as noexcept to improve code size. |
9feb3d6a | 1337 | |
0a256240 | 1338 | fobjc-abi-version= |
fb5610fb | 1339 | ObjC ObjC++ LTO Joined Report RejectNegative UInteger Var(flag_objc_abi) |
0a256240 NP |
1340 | Specify which ABI to use for Objective-C family code and meta-data generation. |
1341 | ||
6e955430 ZL |
1342 | ; Generate special '- .cxx_construct' and '- .cxx_destruct' methods |
1343 | ; to initialize any non-POD ivars in Objective-C++ classes. | |
1344 | fobjc-call-cxx-cdtors | |
1345 | ObjC++ Var(flag_objc_call_cxx_cdtors) | |
a7b2e184 | 1346 | Generate special Objective-C methods to initialize/destroy non-POD C++ ivars, if needed. |
6e955430 ZL |
1347 | |
1348 | fobjc-direct-dispatch | |
1349 | ObjC ObjC++ Var(flag_objc_direct_dispatch) | |
a7b2e184 | 1350 | Allow fast jumps to the message dispatcher. |
6e955430 ZL |
1351 | |
1352 | ; Nonzero means that we will allow new ObjC exception syntax (@throw, | |
1353 | ; @try, etc.) in source code. | |
264fa2db | 1354 | fobjc-exceptions |
6e955430 | 1355 | ObjC ObjC++ Var(flag_objc_exceptions) |
a7b2e184 | 1356 | Enable Objective-C exception and synchronization syntax. |
264fa2db | 1357 | |
6e955430 | 1358 | fobjc-gc |
fb5610fb | 1359 | ObjC ObjC++ LTO Var(flag_objc_gc) |
a7b2e184 | 1360 | Enable garbage collection (GC) in Objective-C/Objective-C++ programs. |
6e955430 | 1361 | |
0a256240 NP |
1362 | fobjc-nilcheck |
1363 | ObjC ObjC++ Var(flag_objc_nilcheck,1) | |
1364 | Enable inline checks for nil receivers with the NeXT runtime and ABI version 2. | |
1365 | ||
6e955430 | 1366 | ; Nonzero means that we generate NeXT setjmp based exceptions. |
093c7153 | 1367 | fobjc-sjlj-exceptions |
6e955430 | 1368 | ObjC ObjC++ Var(flag_objc_sjlj_exceptions) Init(-1) |
a7b2e184 | 1369 | Enable Objective-C setjmp exception handling runtime. |
093c7153 | 1370 | |
22d8d616 NP |
1371 | fobjc-std=objc1 |
1372 | ObjC ObjC++ Var(flag_objc1_only) | |
a7b2e184 | 1373 | Conform to the Objective-C 1.0 language as implemented in GCC 4.0. |
22d8d616 | 1374 | |
41dbbb37 | 1375 | fopenacc |
a0c88d06 | 1376 | C ObjC C++ ObjC++ LTO Var(flag_openacc) |
a7b2e184 | 1377 | Enable OpenACC. |
41dbbb37 | 1378 | |
b6adbb9f NS |
1379 | fopenacc-dim= |
1380 | C ObjC C++ ObjC++ LTO Joined Var(flag_openacc_dims) | |
1381 | Specify default OpenACC compute dimensions. | |
1382 | ||
953ff289 | 1383 | fopenmp |
1506ae0e | 1384 | C ObjC C++ ObjC++ LTO Var(flag_openmp) |
a7b2e184 | 1385 | Enable OpenMP (implies -frecursive in Fortran). |
953ff289 | 1386 | |
6d7f7e0a TB |
1387 | fopenmp-simd |
1388 | C ObjC C++ ObjC++ Var(flag_openmp_simd) | |
a7b2e184 | 1389 | Enable OpenMP's SIMD directives. |
6d7f7e0a | 1390 | |
fef3106c NB |
1391 | foperator-names |
1392 | C++ ObjC++ | |
a7b2e184 | 1393 | Recognize C++ keywords like \"compl\" and \"xor\". |
fef3106c NB |
1394 | |
1395 | foptional-diags | |
2d2bd949 | 1396 | C++ ObjC++ Ignore |
5498f011 | 1397 | Does nothing. Preserved for backward compatibility. |
fef3106c NB |
1398 | |
1399 | fpch-deps | |
1400 | C ObjC C++ ObjC++ | |
1401 | ||
c0d578e6 GK |
1402 | fpch-preprocess |
1403 | C ObjC C++ ObjC++ | |
a7b2e184 | 1404 | Look for and use PCH files even when preprocessing. |
c0d578e6 | 1405 | |
fef3106c | 1406 | fpermissive |
0c3641b0 | 1407 | C++ ObjC++ Var(flag_permissive) |
a7b2e184 | 1408 | Downgrade conformance errors to warnings. |
fef3106c | 1409 | |
478a1c5b ILT |
1410 | fplan9-extensions |
1411 | C ObjC Var(flag_plan9_extensions) | |
a7b2e184 | 1412 | Enable Plan 9 language extensions. |
478a1c5b | 1413 | |
fef3106c NB |
1414 | fpreprocessed |
1415 | C ObjC C++ ObjC++ | |
a7b2e184 | 1416 | Treat the input file as already preprocessed. |
fef3106c | 1417 | |
92582b75 TT |
1418 | ftrack-macro-expansion |
1419 | C ObjC C++ ObjC++ JoinedOrMissing RejectNegative UInteger | |
1420 | ; converted into ftrack-macro-expansion= | |
1421 | ||
1422 | ftrack-macro-expansion= | |
1423 | C ObjC C++ ObjC++ JoinedOrMissing RejectNegative UInteger | |
a7b2e184 | 1424 | -ftrack-macro-expansion=<0|1|2> Track locations of tokens coming from macro expansion and display them in error messages. |
92582b75 | 1425 | |
6ea2bd47 | 1426 | fpretty-templates |
5498f011 | 1427 | C++ ObjC++ Var(flag_pretty_templates) Init(1) |
a7b2e184 | 1428 | -fno-pretty-templates Do not pretty-print template specializations as the template signature followed by the arguments. |
6ea2bd47 | 1429 | |
264fa2db | 1430 | freplace-objc-classes |
fb5610fb | 1431 | ObjC ObjC++ LTO Var(flag_replace_objc_classes) |
a7b2e184 | 1432 | Used in Fix-and-Continue mode to indicate that object files may be swapped in at runtime. |
264fa2db | 1433 | |
fef3106c NB |
1434 | frepo |
1435 | C++ ObjC++ | |
a7b2e184 | 1436 | Enable automatic template instantiation. |
fef3106c NB |
1437 | |
1438 | frtti | |
5498f011 | 1439 | C++ ObjC++ Optimization Var(flag_rtti) Init(1) |
a7b2e184 | 1440 | Generate run time type descriptor information. |
fef3106c | 1441 | |
fef3106c | 1442 | fshort-enums |
dd6fe7d4 | 1443 | C ObjC C++ ObjC++ LTO Optimization Var(flag_short_enums) |
a7b2e184 | 1444 | Use the narrowest integer type possible for enumeration types. |
fef3106c NB |
1445 | |
1446 | fshort-wchar | |
dd6fe7d4 | 1447 | C ObjC C++ ObjC++ LTO Optimization Var(flag_short_wchar) |
a7b2e184 | 1448 | Force the underlying type for \"wchar_t\" to be \"unsigned short\". |
fef3106c | 1449 | |
fef3106c | 1450 | fsigned-bitfields |
5498f011 | 1451 | C ObjC C++ ObjC++ Var(flag_signed_bitfields) Init(1) |
a7b2e184 | 1452 | When \"signed\" or \"unsigned\" is not given make the bitfield signed. |
fef3106c NB |
1453 | |
1454 | fsigned-char | |
5498f011 | 1455 | C ObjC C++ ObjC++ LTO Var(flag_signed_char) |
a7b2e184 | 1456 | Make \"char\" signed by default. |
fef3106c | 1457 | |
20b06add JM |
1458 | fsized-deallocation |
1459 | C++ ObjC++ Var(flag_sized_deallocation) Init(-1) | |
a7b2e184 | 1460 | Enable C++14 sized deallocation support. |
20b06add | 1461 | |
fef3106c | 1462 | fsquangle |
2d2bd949 | 1463 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
fef3106c | 1464 | |
ee45a32d EB |
1465 | fsso-struct= |
1466 | C ObjC Joined Enum(sso_struct) Var(default_sso) Init(SSO_NATIVE) | |
1467 | -fsso-struct=[big-endian|little-endian] Set the default scalar storage order. | |
1468 | ||
1469 | Enum | |
1470 | Name(sso_struct) Type(enum scalar_storage_order_kind) UnknownError(unrecognized scalar storage order value %qs) | |
1471 | ||
1472 | EnumValue | |
1473 | Enum(sso_struct) String(big-endian) Value(SSO_BIG_ENDIAN) | |
1474 | ||
1475 | EnumValue | |
1476 | Enum(sso_struct) String(little-endian) Value(SSO_LITTLE_ENDIAN) | |
1477 | ||
fef3106c | 1478 | fstats |
5498f011 | 1479 | C++ ObjC++ Var(flag_detailed_statistics) |
a7b2e184 | 1480 | Display statistics accumulated during compilation. |
fef3106c | 1481 | |
cbb4feb3 JM |
1482 | fstrict-enums |
1483 | C++ ObjC++ Optimization Var(flag_strict_enums) | |
a7b2e184 | 1484 | Assume that values of enumeration type are always within the minimum range of that type. |
cbb4feb3 | 1485 | |
fef3106c | 1486 | fstrict-prototype |
2d2bd949 | 1487 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
fef3106c NB |
1488 | |
1489 | ftabstop= | |
7b086b11 | 1490 | C ObjC C++ ObjC++ Joined RejectNegative UInteger |
a7b2e184 | 1491 | -ftabstop=<number> Distance between tab stops for column reporting. |
fef3106c | 1492 | |
a12bf402 MLI |
1493 | ftemplate-backtrace-limit= |
1494 | C++ ObjC++ Joined RejectNegative UInteger Var(template_backtrace_limit) Init(10) | |
a7b2e184 | 1495 | Set the maximum number of template instantiation notes for a single warning or error. |
a12bf402 | 1496 | |
fef3106c | 1497 | ftemplate-depth- |
5de8299c | 1498 | C++ ObjC++ Joined RejectNegative Undocumented Alias(ftemplate-depth=) |
124e0d27 MLI |
1499 | |
1500 | ftemplate-depth= | |
c22cacf3 | 1501 | C++ ObjC++ Joined RejectNegative UInteger |
a7b2e184 | 1502 | -ftemplate-depth=<number> Specify maximum template instantiation depth. |
fef3106c NB |
1503 | |
1504 | fthis-is-variable | |
2d2bd949 | 1505 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
fef3106c | 1506 | |
40aac948 | 1507 | fthreadsafe-statics |
5498f011 | 1508 | C++ ObjC++ Optimization Var(flag_threadsafe_statics) Init(1) |
a7b2e184 | 1509 | -fno-threadsafe-statics Do not generate thread-safe code for initializing local statics. |
40aac948 | 1510 | |
fef3106c | 1511 | funsigned-bitfields |
f0036cca | 1512 | C ObjC C++ ObjC++ Var(flag_signed_bitfields, 0) |
a7b2e184 | 1513 | When \"signed\" or \"unsigned\" is not given make the bitfield unsigned. |
fef3106c NB |
1514 | |
1515 | funsigned-char | |
f0036cca | 1516 | C ObjC C++ ObjC++ LTO Var(flag_signed_char, 0) |
a7b2e184 | 1517 | Make \"char\" unsigned by default. |
fef3106c NB |
1518 | |
1519 | fuse-cxa-atexit | |
5498f011 | 1520 | C++ ObjC++ Var(flag_use_cxa_atexit) Init(DEFAULT_USE_CXA_ATEXIT) |
a7b2e184 | 1521 | Use __cxa_atexit to register destructors. |
fef3106c | 1522 | |
c7b5e395 | 1523 | fuse-cxa-get-exception-ptr |
5498f011 | 1524 | C++ ObjC++ Var(flag_use_cxa_get_exception_ptr) Init(2) |
a7b2e184 | 1525 | Use __cxa_get_exception_ptr in exception handling. |
c7b5e395 | 1526 | |
d7afec4b | 1527 | fvisibility-inlines-hidden |
d0b07283 | 1528 | C++ ObjC++ |
a7b2e184 | 1529 | Marks all inlined functions and methods as having hidden visibility. |
d7afec4b | 1530 | |
ddbfd28d GK |
1531 | fvisibility-ms-compat |
1532 | C++ ObjC++ Var(flag_visibility_ms_compat) | |
a7b2e184 | 1533 | Changes visibility to match Microsoft Visual Studio by default. |
ddbfd28d | 1534 | |
fef3106c | 1535 | fvtable-gc |
2d2bd949 | 1536 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
a7b2e184 | 1537 | No longer supported. |
fef3106c NB |
1538 | |
1539 | fvtable-thunks | |
2d2bd949 | 1540 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
a7b2e184 | 1541 | No longer supported. |
fef3106c NB |
1542 | |
1543 | fweak | |
5498f011 | 1544 | C++ ObjC++ Var(flag_weak) Init(1) |
a7b2e184 | 1545 | Emit common-like symbols as weak symbols. |
fef3106c | 1546 | |
e6cc3a24 ZW |
1547 | fwide-exec-charset= |
1548 | C ObjC C++ ObjC++ Joined RejectNegative | |
a7b2e184 | 1549 | -fwide-exec-charset=<cset> Convert all wide strings and character constants to character set <cset>. |
e6cc3a24 | 1550 | |
b20d9f0c | 1551 | fworking-directory |
5498f011 | 1552 | C ObjC C++ ObjC++ Var(flag_working_directory) Init(-1) |
a7b2e184 | 1553 | Generate a #line directive pointing at the current working directory. |
b20d9f0c | 1554 | |
fef3106c | 1555 | fxref |
2d2bd949 | 1556 | C++ ObjC++ Ignore Warn(switch %qs is no longer supported) |
a7b2e184 | 1557 | No longer supported. |
fef3106c | 1558 | |
264fa2db | 1559 | fzero-link |
5498f011 | 1560 | ObjC ObjC++ Var(flag_zero_link) |
a7b2e184 | 1561 | Generate lazy class lookup (via objc_getClass()) for use in Zero-Link mode. |
264fa2db | 1562 | |
fef3106c | 1563 | gen-decls |
5498f011 | 1564 | ObjC ObjC++ Var(flag_gen_declaration) |
a7b2e184 | 1565 | Dump declarations to a .decl file. |
fef3106c | 1566 | |
39ef6592 LC |
1567 | femit-struct-debug-baseonly |
1568 | C ObjC C++ ObjC++ | |
a7b2e184 | 1569 | -femit-struct-debug-baseonly Aggressive reduced debug info for structs. |
39ef6592 LC |
1570 | |
1571 | femit-struct-debug-reduced | |
1572 | C ObjC C++ ObjC++ | |
a7b2e184 | 1573 | -femit-struct-debug-reduced Conservative reduced debug info for structs. |
39ef6592 LC |
1574 | |
1575 | femit-struct-debug-detailed= | |
1576 | C ObjC C++ ObjC++ Joined | |
a7b2e184 | 1577 | -femit-struct-debug-detailed=<spec-list> Detailed reduced debug info for structs. |
39ef6592 | 1578 | |
a4a0016d | 1579 | fext-numeric-literals |
a7b2e184 | 1580 | C++ ObjC++ |
a4a0016d ESR |
1581 | Interpret imaginary, fixed-point, or other gnu number suffix as the corresponding |
1582 | number literal rather than a user-defined number literal. | |
1583 | ||
fef3106c | 1584 | idirafter |
61ff2bdc | 1585 | C ObjC C++ ObjC++ Joined Separate MissingArgError(missing path after %qs) |
a7b2e184 | 1586 | -idirafter <dir> Add <dir> to the end of the system include path. |
fef3106c NB |
1587 | |
1588 | imacros | |
61ff2bdc | 1589 | C ObjC C++ ObjC++ Joined Separate MissingArgError(missing filename after %qs) |
a7b2e184 | 1590 | -imacros <file> Accept definition of macros in <file>. |
fef3106c | 1591 | |
2b6dd222 JM |
1592 | imultilib |
1593 | C ObjC C++ ObjC++ Joined Separate | |
a7b2e184 | 1594 | -imultilib <dir> Set <dir> to be the multilib include subdirectory. |
2b6dd222 | 1595 | |
fef3106c | 1596 | include |
61ff2bdc | 1597 | C ObjC C++ ObjC++ Joined Separate MissingArgError(missing filename after %qs) |
a7b2e184 | 1598 | -include <file> Include the contents of <file> before other files. |
fef3106c NB |
1599 | |
1600 | iprefix | |
1601 | C ObjC C++ ObjC++ Joined Separate | |
a7b2e184 | 1602 | -iprefix <path> Specify <path> as a prefix for next two options. |
fef3106c NB |
1603 | |
1604 | isysroot | |
61ff2bdc | 1605 | C ObjC C++ ObjC++ Joined Separate MissingArgError(missing path after %qs) |
a7b2e184 | 1606 | -isysroot <dir> Set <dir> to be the system root directory. |
fef3106c NB |
1607 | |
1608 | isystem | |
61ff2bdc | 1609 | C ObjC C++ ObjC++ Joined Separate MissingArgError(missing path after %qs) |
a7b2e184 | 1610 | -isystem <dir> Add <dir> to the start of the system include path. |
fef3106c | 1611 | |
4bed3787 | 1612 | iquote |
61ff2bdc | 1613 | C ObjC C++ ObjC++ Joined Separate MissingArgError(missing path after %qs) |
a7b2e184 | 1614 | -iquote <dir> Add <dir> to the end of the quote include path. |
4bed3787 | 1615 | |
fef3106c NB |
1616 | iwithprefix |
1617 | C ObjC C++ ObjC++ Joined Separate | |
a7b2e184 | 1618 | -iwithprefix <dir> Add <dir> to the end of the system include path. |
fef3106c NB |
1619 | |
1620 | iwithprefixbefore | |
1621 | C ObjC C++ ObjC++ Joined Separate | |
a7b2e184 | 1622 | -iwithprefixbefore <dir> Add <dir> to the end of the main include path. |
fef3106c NB |
1623 | |
1624 | lang-asm | |
603349bf | 1625 | C Undocumented RejectDriver |
fef3106c | 1626 | |
e200444e JM |
1627 | no-integrated-cpp |
1628 | Driver | |
1629 | ||
fef3106c NB |
1630 | nostdinc |
1631 | C ObjC C++ ObjC++ | |
a7b2e184 | 1632 | Do not search standard system include directories (those specified with -isystem will still be used). |
fef3106c NB |
1633 | |
1634 | nostdinc++ | |
72de27ea | 1635 | C++ ObjC++ |
a7b2e184 | 1636 | Do not search standard system include directories for C++. |
fef3106c NB |
1637 | |
1638 | o | |
1639 | C ObjC C++ ObjC++ Joined Separate | |
72de27ea | 1640 | ; Documented in common.opt |
fef3106c NB |
1641 | |
1642 | pedantic | |
c1771a20 | 1643 | C ObjC C++ ObjC++ Alias(Wpedantic) |
72de27ea | 1644 | ; Documented in common.opt |
fef3106c | 1645 | |
fef3106c NB |
1646 | print-objc-runtime-info |
1647 | ObjC ObjC++ | |
a7b2e184 | 1648 | Generate C header of platform-specific features. |
fef3106c NB |
1649 | |
1650 | remap | |
1651 | C ObjC C++ ObjC++ | |
a7b2e184 | 1652 | Remap file names when including files. |
fef3106c NB |
1653 | |
1654 | std=c++98 | |
1655 | C++ ObjC++ | |
a7b2e184 | 1656 | Conform to the ISO 1998 C++ standard revised by the 2003 technical corrigendum. |
c7dc8804 JM |
1657 | |
1658 | std=c++03 | |
1659 | C++ ObjC++ Alias(std=c++98) | |
a7b2e184 | 1660 | Conform to the ISO 1998 C++ standard revised by the 2003 technical corrigendum. |
fef3106c | 1661 | |
97e3ad20 | 1662 | std=c++11 |
966541e3 | 1663 | C++ ObjC++ |
a7b2e184 | 1664 | Conform to the ISO 2011 C++ standard. |
97e3ad20 JM |
1665 | |
1666 | std=c++0x | |
70e24808 | 1667 | C++ ObjC++ Alias(std=c++11) Undocumented |
a7b2e184 | 1668 | Deprecated in favor of -std=c++11. |
966541e3 | 1669 | |
552b8185 | 1670 | std=c++1y |
028aee17 | 1671 | C++ ObjC++ Alias(std=c++14) Undocumented |
a7b2e184 | 1672 | Deprecated in favor of -std=c++14. |
70e24808 JM |
1673 | |
1674 | std=c++14 | |
381bf11e | 1675 | C++ ObjC++ |
a7b2e184 | 1676 | Conform to the ISO 2014 C++ standard. |
552b8185 | 1677 | |
da73100b JM |
1678 | std=c++1z |
1679 | C++ ObjC++ | |
a7b2e184 | 1680 | Conform to the ISO 2017(?) C++ draft standard (experimental and incomplete support). |
da73100b JM |
1681 | |
1682 | std=c++17 | |
1683 | C++ ObjC++ Alias(std=c++1z) Undocumented | |
1684 | ||
48b0b196 | 1685 | std=c11 |
2778d766 | 1686 | C ObjC |
a7b2e184 | 1687 | Conform to the ISO 2011 C standard. |
48b0b196 JM |
1688 | |
1689 | std=c1x | |
1690 | C ObjC Alias(std=c11) | |
a7b2e184 | 1691 | Deprecated in favor of -std=c11. |
2778d766 | 1692 | |
fef3106c | 1693 | std=c89 |
5de8299c | 1694 | C ObjC Alias(std=c90) |
a7b2e184 | 1695 | Conform to the ISO 1990 C standard. |
fef3106c | 1696 | |
7e1542b9 MLI |
1697 | std=c90 |
1698 | C ObjC | |
a7b2e184 | 1699 | Conform to the ISO 1990 C standard. |
7e1542b9 | 1700 | |
fef3106c NB |
1701 | std=c99 |
1702 | C ObjC | |
a7b2e184 | 1703 | Conform to the ISO 1999 C standard. |
fef3106c NB |
1704 | |
1705 | std=c9x | |
5de8299c | 1706 | C ObjC Alias(std=c99) |
a7b2e184 | 1707 | Deprecated in favor of -std=c99. |
fef3106c NB |
1708 | |
1709 | std=gnu++98 | |
1710 | C++ ObjC++ | |
97e3ad20 | 1711 | Conform to the ISO 1998 C++ standard revised by the 2003 technical |
a7b2e184 | 1712 | corrigendum with GNU extensions. |
fef3106c | 1713 | |
97e3ad20 JM |
1714 | std=gnu++03 |
1715 | C++ ObjC++ Alias(std=gnu++98) | |
1716 | Conform to the ISO 1998 C++ standard revised by the 2003 technical | |
a7b2e184 | 1717 | corrigendum with GNU extensions. |
97e3ad20 JM |
1718 | |
1719 | std=gnu++11 | |
966541e3 | 1720 | C++ ObjC++ |
a7b2e184 | 1721 | Conform to the ISO 2011 C++ standard with GNU extensions. |
97e3ad20 JM |
1722 | |
1723 | std=gnu++0x | |
381bf11e | 1724 | C++ ObjC++ Alias(std=gnu++11) Undocumented |
a7b2e184 | 1725 | Deprecated in favor of -std=gnu++11. |
966541e3 | 1726 | |
552b8185 | 1727 | std=gnu++1y |
028aee17 | 1728 | C++ ObjC++ Alias(std=gnu++14) Undocumented |
a7b2e184 | 1729 | Deprecated in favor of -std=gnu++14. |
552b8185 | 1730 | |
a07f6ed2 | 1731 | std=gnu++14 |
028aee17 | 1732 | C++ ObjC++ |
a7b2e184 | 1733 | Conform to the ISO 2014 C++ standard with GNU extensions. |
a07f6ed2 | 1734 | |
da73100b JM |
1735 | std=gnu++1z |
1736 | C++ ObjC++ | |
a7b2e184 | 1737 | Conform to the ISO 201z(7?) C++ draft standard with GNU extensions (experimental and incomplete support). |
da73100b JM |
1738 | |
1739 | std=gnu++17 | |
a545cacd | 1740 | C++ ObjC++ Alias(std=gnu++1z) Undocumented |
da73100b | 1741 | |
48b0b196 | 1742 | std=gnu11 |
2778d766 | 1743 | C ObjC |
a7b2e184 | 1744 | Conform to the ISO 2011 C standard with GNU extensions. |
48b0b196 JM |
1745 | |
1746 | std=gnu1x | |
1747 | C ObjC Alias(std=gnu11) | |
a7b2e184 | 1748 | Deprecated in favor of -std=gnu11. |
2778d766 | 1749 | |
fef3106c | 1750 | std=gnu89 |
5de8299c | 1751 | C ObjC Alias(std=gnu90) |
a7b2e184 | 1752 | Conform to the ISO 1990 C standard with GNU extensions. |
fef3106c | 1753 | |
7e1542b9 MLI |
1754 | std=gnu90 |
1755 | C ObjC | |
a7b2e184 | 1756 | Conform to the ISO 1990 C standard with GNU extensions. |
7e1542b9 | 1757 | |
fef3106c NB |
1758 | std=gnu99 |
1759 | C ObjC | |
a7b2e184 | 1760 | Conform to the ISO 1999 C standard with GNU extensions. |
fef3106c NB |
1761 | |
1762 | std=gnu9x | |
5de8299c | 1763 | C ObjC Alias(std=gnu99) |
a7b2e184 | 1764 | Deprecated in favor of -std=gnu99. |
fef3106c NB |
1765 | |
1766 | std=iso9899:1990 | |
5de8299c | 1767 | C ObjC Alias(std=c90) |
a7b2e184 | 1768 | Conform to the ISO 1990 C standard. |
fef3106c NB |
1769 | |
1770 | std=iso9899:199409 | |
1771 | C ObjC | |
a7b2e184 | 1772 | Conform to the ISO 1990 C standard as amended in 1994. |
fef3106c NB |
1773 | |
1774 | std=iso9899:1999 | |
5de8299c | 1775 | C ObjC Alias(std=c99) |
a7b2e184 | 1776 | Conform to the ISO 1999 C standard. |
fef3106c NB |
1777 | |
1778 | std=iso9899:199x | |
5de8299c | 1779 | C ObjC Alias(std=c99) |
a7b2e184 | 1780 | Deprecated in favor of -std=iso9899:1999. |
fef3106c | 1781 | |
48b0b196 JM |
1782 | std=iso9899:2011 |
1783 | C ObjC Alias(std=c11) | |
a7b2e184 | 1784 | Conform to the ISO 2011 C standard. |
48b0b196 | 1785 | |
e200444e JM |
1786 | traditional |
1787 | Driver | |
1788 | ||
fef3106c NB |
1789 | traditional-cpp |
1790 | C ObjC C++ ObjC++ | |
a7b2e184 | 1791 | Enable traditional preprocessing. |
fef3106c NB |
1792 | |
1793 | trigraphs | |
1794 | C ObjC C++ ObjC++ | |
a7b2e184 | 1795 | -trigraphs Support ISO C trigraphs. |
fef3106c NB |
1796 | |
1797 | undef | |
5498f011 | 1798 | C ObjC C++ ObjC++ Var(flag_undef) |
a7b2e184 | 1799 | Do not predefine system-specific and GCC-specific macros. |
fef3106c NB |
1800 | |
1801 | v | |
d5478783 JM |
1802 | C ObjC C++ ObjC++ |
1803 | ; Documented in common.opt | |
fef3106c NB |
1804 | |
1805 | w | |
1806 | C ObjC C++ ObjC++ | |
72de27ea | 1807 | ; Documented in common.opt |
e11a4ae5 NB |
1808 | |
1809 | ; This comment is to ensure we retain the blank line above. |