| ; Options for the C, ObjC, C++ and ObjC++ front ends. |
| ; Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 |
| ; Free Software Foundation, Inc. |
| ; |
| ; This file is part of GCC. |
| ; |
| ; GCC is free software; you can redistribute it and/or modify it under |
| ; the terms of the GNU General Public License as published by the Free |
| ; Software Foundation; either version 3, or (at your option) any later |
| ; version. |
| ; |
| ; GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
| ; WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| ; FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| ; for more details. |
| ; |
| ; You should have received a copy of the GNU General Public License |
| ; along with GCC; see the file COPYING3. If not see |
| ; <http://www.gnu.org/licenses/>. |
| |
| ; See the GCC internals manual for a description of this file's format. |
| |
| ; Please try to keep this file in ASCII collating order. |
| |
| Language |
| C |
| |
| Language |
| ObjC |
| |
| Language |
| C++ |
| |
| Language |
| ObjC++ |
| |
| -output-pch= |
| C ObjC C++ ObjC++ Joined Separate |
| |
| A |
| C ObjC C++ ObjC++ Joined Separate |
| -A<question>=<answer> Assert the <answer> to <question>. Putting '-' before <question> disables the <answer> to <question> |
| |
| C |
| C ObjC C++ ObjC++ |
| Do not discard comments |
| |
| CC |
| C ObjC C++ ObjC++ |
| Do not discard comments in macro expansions |
| |
| D |
| C ObjC C++ ObjC++ Joined Separate |
| -D<macro>[=<val>] Define a <macro> with <val> as its value. If just <macro> is given, <val> is taken to be 1 |
| |
| E |
| C ObjC C++ ObjC++ Undocumented |
| |
| F |
| C ObjC C++ ObjC++ Joined Separate |
| -F <dir> Add <dir> to the end of the main framework include path |
| |
| H |
| C ObjC C++ ObjC++ |
| Print the name of header files as they are used |
| |
| I |
| C ObjC C++ ObjC++ Joined Separate |
| -I <dir> Add <dir> to the end of the main include path |
| |
| M |
| C ObjC C++ ObjC++ |
| Generate make dependencies |
| |
| MD |
| C ObjC C++ ObjC++ Separate |
| Generate make dependencies and compile |
| |
| MF |
| C ObjC C++ ObjC++ Joined Separate |
| -MF <file> Write dependency output to the given file |
| |
| MG |
| C ObjC C++ ObjC++ |
| Treat missing header files as generated files |
| |
| MM |
| C ObjC C++ ObjC++ |
| Like -M but ignore system header files |
| |
| MMD |
| C ObjC C++ ObjC++ Separate |
| Like -MD but ignore system header files |
| |
| MP |
| C ObjC C++ ObjC++ |
| Generate phony targets for all headers |
| |
| MQ |
| C ObjC C++ ObjC++ Joined Separate |
| -MQ <target> Add a MAKE-quoted target |
| |
| MT |
| C ObjC C++ ObjC++ Joined Separate |
| -MT <target> Add an unquoted target |
| |
| P |
| C ObjC C++ ObjC++ |
| Do not generate #line directives |
| |
| U |
| C ObjC C++ ObjC++ Joined Separate |
| -U<macro> Undefine <macro> |
| |
| Wabi |
| C ObjC C++ ObjC++ Var(warn_abi) Warning |
| Warn about things that will change when compiling with an ABI-compliant compiler |
| |
| Wpsabi |
| C ObjC C++ ObjC++ Var(warn_psabi) Init(1) Undocumented |
| |
| Waddress |
| C ObjC C++ ObjC++ Var(warn_address) Warning |
| Warn about suspicious uses of memory addresses |
| |
| Wall |
| C ObjC C++ ObjC++ Warning |
| Enable most warning messages |
| |
| Wassign-intercept |
| ObjC ObjC++ Var(warn_assign_intercept) Warning |
| Warn whenever an Objective-C assignment is being intercepted by the garbage collector |
| |
| Wbad-function-cast |
| C ObjC Var(warn_bad_function_cast) Warning |
| Warn about casting functions to incompatible types |
| |
| Wbuiltin-macro-redefined |
| C ObjC C++ ObjC++ Warning |
| Warn when a built-in preprocessor macro is undefined or redefined |
| |
| Wc++-compat |
| C ObjC Var(warn_cxx_compat) Warning |
| Warn about C constructs that are not in the common subset of C and C++ |
| |
| Wc++0x-compat |
| C++ ObjC++ Var(warn_cxx0x_compat) Warning |
| Warn about C++ constructs whose meaning differs between ISO C++ 1998 and ISO C++ 200x |
| |
| Wcast-qual |
| C ObjC C++ ObjC++ Var(warn_cast_qual) Warning |
| Warn about casts which discard qualifiers |
| |
| Wchar-subscripts |
| C ObjC C++ ObjC++ Var(warn_char_subscripts) Warning |
| Warn about subscripts whose type is \"char\" |
| |
| Wclobbered |
| C ObjC C++ ObjC++ Var(warn_clobbered) Init(-1) Warning |
| Warn about variables that might be changed by \"longjmp\" or \"vfork\" |
| |
| Wcomment |
| C ObjC C++ ObjC++ Warning |
| Warn about possibly nested block comments, and C++ comments spanning more than one physical line |
| |
| Wcomments |
| C ObjC C++ ObjC++ Warning |
| Synonym for -Wcomment |
| |
| Wconversion |
| C ObjC C++ ObjC++ Var(warn_conversion) Warning |
| Warn for implicit type conversions that may change a value |
| |
| Wsign-conversion |
| C ObjC C++ ObjC++ Var(warn_sign_conversion) Init(-1) |
| Warn for implicit type conversions between signed and unsigned integers |
| |
| Wctor-dtor-privacy |
| C++ ObjC++ Var(warn_ctor_dtor_privacy) Warning |
| Warn when all constructors and destructors are private |
| |
| Wdeclaration-after-statement |
| C ObjC Var(warn_declaration_after_statement) Warning |
| Warn when a declaration is found after a statement |
| |
| Wdeprecated |
| C C++ ObjC ObjC++ Var(warn_deprecated) Init(1) Warning |
| Warn if a deprecated compiler feature, class, method, or field is used |
| |
| Wdiv-by-zero |
| C ObjC C++ ObjC++ Var(warn_div_by_zero) Init(1) Warning |
| Warn about compile-time integer division by zero |
| |
| Weffc++ |
| C++ ObjC++ Var(warn_ecpp) Warning |
| Warn about violations of Effective C++ style rules |
| |
| Wempty-body |
| C ObjC C++ ObjC++ Var(warn_empty_body) Init(-1) Warning |
| Warn about an empty body in an if or else statement |
| |
| Wendif-labels |
| C ObjC C++ ObjC++ Warning |
| Warn about stray tokens after #elif and #endif |
| |
| Wenum-compare |
| C++ ObjC++ Var(warn_enum_compare) Init(1) Warning |
| Warn about comparison of different enum types |
| |
| Werror |
| C ObjC C++ ObjC++ |
| ; Documented in common.opt |
| |
| Werror-implicit-function-declaration |
| C ObjC RejectNegative Warning |
| This switch is deprecated; use -Werror=implicit-function-declaration instead |
| |
| Wfloat-equal |
| C ObjC C++ ObjC++ Var(warn_float_equal) Warning |
| Warn if testing floating point numbers for equality |
| |
| Wformat |
| C ObjC C++ ObjC++ Warning |
| Warn about printf/scanf/strftime/strfmon format string anomalies |
| |
| Wformat-extra-args |
| C ObjC C++ ObjC++ Var(warn_format_extra_args) Warning |
| Warn if passing too many arguments to a function for its format string |
| |
| Wformat-nonliteral |
| C ObjC C++ ObjC++ Var(warn_format_nonliteral) Warning |
| Warn about format strings that are not literals |
| |
| Wformat-contains-nul |
| C ObjC C++ ObjC++ Var(warn_format_contains_nul) Warning |
| Warn about format strings that contain NUL bytes |
| |
| Wformat-security |
| C ObjC C++ ObjC++ Var(warn_format_security) Warning |
| Warn about possible security problems with format functions |
| |
| Wformat-y2k |
| C ObjC C++ ObjC++ Var(warn_format_y2k) Warning |
| Warn about strftime formats yielding 2-digit years |
| |
| Wformat-zero-length |
| C ObjC Var(warn_format_zero_length) Warning |
| Warn about zero-length formats |
| |
| Wformat= |
| C ObjC C++ ObjC++ Joined Warning |
| |
| Wignored-qualifiers |
| C C++ Var(warn_ignored_qualifiers) Init(-1) Warning |
| Warn whenever type qualifiers are ignored. |
| |
| Winit-self |
| C ObjC C++ ObjC++ Var(warn_init_self) Warning |
| Warn about variables which are initialized to themselves |
| |
| Wimplicit |
| C ObjC C++ ObjC++ Warning |
| |
| Wimplicit-function-declaration |
| C ObjC Var(warn_implicit_function_declaration) Init(-1) Warning |
| Warn about implicit function declarations |
| |
| Wimplicit-int |
| C ObjC Var(warn_implicit_int) Warning |
| Warn when a declaration does not specify a type |
| |
| Wimport |
| C ObjC C++ ObjC++ Undocumented |
| |
| Wint-to-pointer-cast |
| C ObjC Var(warn_int_to_pointer_cast) Init(1) Warning |
| Warn when there is a cast to a pointer from an integer of a different size |
| |
| Winvalid-offsetof |
| C++ ObjC++ Var(warn_invalid_offsetof) Init(1) Warning |
| Warn about invalid uses of the \"offsetof\" macro |
| |
| Winvalid-pch |
| C ObjC C++ ObjC++ Warning |
| Warn about PCH files that are found but not used |
| |
| Wlong-long |
| C ObjC C++ ObjC++ Var(warn_long_long) Init(1) Warning |
| Do not warn about using \"long long\" when -pedantic |
| |
| Wmain |
| C ObjC C++ ObjC++ Var(warn_main) Init(-1) Warning |
| Warn about suspicious declarations of \"main\" |
| |
| Wmissing-braces |
| C ObjC C++ ObjC++ Var(warn_missing_braces) Warning |
| Warn about possibly missing braces around initializers |
| |
| Wmissing-declarations |
| C ObjC C++ ObjC++ Var(warn_missing_declarations) Warning |
| Warn about global functions without previous declarations |
| |
| Wmissing-field-initializers |
| C ObjC C++ ObjC++ Var(warn_missing_field_initializers) Init(-1) Warning |
| Warn about missing fields in struct initializers |
| |
| Wmissing-format-attribute |
| C ObjC C++ ObjC++ Var(warn_missing_format_attribute) Warning |
| Warn about functions which might be candidates for format attributes |
| |
| Wmissing-include-dirs |
| C ObjC C++ ObjC++ Warning |
| Warn about user-specified include directories that do not exist |
| |
| Wmissing-parameter-type |
| C ObjC Var(warn_missing_parameter_type) Init(-1) Warning |
| Warn about function parameters declared without a type specifier in K&R-style functions |
| |
| Wmissing-prototypes |
| C ObjC Var(warn_missing_prototypes) Warning |
| Warn about global functions without prototypes |
| |
| Wmultichar |
| C ObjC C++ ObjC++ Warning |
| Warn about use of multi-character character constants |
| |
| Wnested-externs |
| C ObjC Var(warn_nested_externs) Warning |
| Warn about \"extern\" declarations not at file scope |
| |
| Wnon-template-friend |
| C++ ObjC++ Var(warn_nontemplate_friend) Init(1) Warning |
| Warn when non-templatized friend functions are declared within a template |
| |
| Wnon-virtual-dtor |
| C++ ObjC++ Var(warn_nonvdtor) Warning |
| Warn about non-virtual destructors |
| |
| Wnonnull |
| C ObjC Var(warn_nonnull) Warning |
| Warn about NULL being passed to argument slots marked as requiring non-NULL |
| |
| Wnormalized= |
| C ObjC C++ ObjC++ Joined Warning |
| -Wnormalized=<id|nfc|nfkc> Warn about non-normalised Unicode strings |
| |
| Wold-style-cast |
| C++ ObjC++ Var(warn_old_style_cast) Warning |
| Warn if a C-style cast is used in a program |
| |
| Wold-style-declaration |
| C ObjC Var(warn_old_style_declaration) Init(-1) Warning |
| Warn for obsolescent usage in a declaration |
| |
| Wold-style-definition |
| C ObjC Var(warn_old_style_definition) Warning |
| Warn if an old-style parameter definition is used |
| |
| Woverlength-strings |
| C ObjC C++ ObjC++ Var(warn_overlength_strings) Init(-1) Warning |
| Warn if a string is longer than the maximum portable length specified by the standard |
| |
| Woverloaded-virtual |
| C++ ObjC++ Var(warn_overloaded_virtual) Warning |
| Warn about overloaded virtual function names |
| |
| Woverride-init |
| C ObjC Var(warn_override_init) Init(-1) Warning |
| Warn about overriding initializers without side effects |
| |
| Wpacked-bitfield-compat |
| C ObjC C++ ObjC++ Var(warn_packed_bitfield_compat) Init(-1) Warning |
| Warn about packed bit-fields whose offset changed in GCC 4.4 |
| |
| Wparentheses |
| C ObjC C++ ObjC++ Var(warn_parentheses) Warning |
| Warn about possibly missing parentheses |
| |
| Wpmf-conversions |
| C++ ObjC++ Var(warn_pmf2ptr) Init(1) Warning |
| Warn when converting the type of pointers to member functions |
| |
| Wpointer-arith |
| C ObjC C++ ObjC++ Var(warn_pointer_arith) Warning |
| Warn about function pointer arithmetic |
| |
| Wpointer-to-int-cast |
| C ObjC Var(warn_pointer_to_int_cast) Init(1) Warning |
| Warn when a pointer is cast to an integer of a different size |
| |
| Wpragmas |
| C ObjC C++ ObjC++ Var(warn_pragmas) Init(1) Warning |
| Warn about misuses of pragmas |
| |
| Wprotocol |
| ObjC ObjC++ Var(warn_protocol) Init(1) Warning |
| Warn if inherited methods are unimplemented |
| |
| Wredundant-decls |
| C ObjC C++ ObjC++ Var(warn_redundant_decls) Warning |
| Warn about multiple declarations of the same object |
| |
| Wreorder |
| C++ ObjC++ Var(warn_reorder) Warning |
| Warn when the compiler reorders code |
| |
| Wreturn-type |
| C ObjC C++ ObjC++ Var(warn_return_type) Warning |
| Warn whenever a function's return type defaults to \"int\" (C), or about inconsistent return types (C++) |
| |
| Wselector |
| ObjC ObjC++ Var(warn_selector) Warning |
| Warn if a selector has multiple methods |
| |
| Wsequence-point |
| C ObjC C++ ObjC++ Var(warn_sequence_point) Warning |
| Warn about possible violations of sequence point rules |
| |
| Wsign-compare |
| C ObjC C++ ObjC++ Var(warn_sign_compare) Init(-1) Warning |
| Warn about signed-unsigned comparisons |
| |
| Wsign-promo |
| C++ ObjC++ Var(warn_sign_promo) Warning |
| Warn when overload promotes from unsigned to signed |
| |
| Wstrict-null-sentinel |
| C++ ObjC++ Warning |
| Warn about uncasted NULL used as sentinel |
| |
| Wstrict-prototypes |
| C ObjC Var(warn_strict_prototypes) Warning |
| Warn about unprototyped function declarations |
| |
| Wstrict-selector-match |
| ObjC ObjC++ Var(warn_strict_selector_match) Warning |
| Warn if type signatures of candidate methods do not match exactly |
| |
| Wsync-nand |
| C C++ Var(warn_sync_nand) Init(1) Warning |
| Warn when __sync_fetch_and_nand and __sync_nand_and_fetch built-in functions are used |
| |
| Wsynth |
| C++ ObjC++ Var(warn_synth) Warning |
| Deprecated. This switch has no effect |
| |
| Wsystem-headers |
| C ObjC C++ ObjC++ Warning |
| ; Documented in common.opt |
| |
| Wtraditional |
| C ObjC Var(warn_traditional) Warning |
| Warn about features not present in traditional C |
| |
| Wtraditional-conversion |
| C ObjC Var(warn_traditional_conversion) Warning |
| Warn of prototypes causing type conversions different from what would happen in the absence of prototype |
| |
| Wtrigraphs |
| C ObjC C++ ObjC++ Warning |
| Warn if trigraphs are encountered that might affect the meaning of the program |
| |
| Wundeclared-selector |
| ObjC ObjC++ Var(warn_undeclared_selector) Warning |
| Warn about @selector()s without previously declared methods |
| |
| Wundef |
| C ObjC C++ ObjC++ Warning |
| Warn if an undefined macro is used in an #if directive |
| |
| Wunknown-pragmas |
| C ObjC C++ ObjC++ Warning |
| Warn about unrecognized pragmas |
| |
| Wunused-macros |
| C ObjC C++ ObjC++ Warning |
| Warn about macros defined in the main file that are not used |
| |
| Wvariadic-macros |
| C ObjC C++ ObjC++ Warning |
| Do not warn about using variadic macros when -pedantic |
| |
| Wvla |
| C ObjC C++ ObjC++ Var(warn_vla) Init(-1) Warning |
| Warn if a variable length array is used |
| |
| Wvolatile-register-var |
| C ObjC C++ ObjC++ Var(warn_volatile_register_var) Warning |
| Warn when a register variable is declared volatile |
| |
| Wwrite-strings |
| C ObjC C++ ObjC++ Var(warn_write_strings) Warning |
| 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. |
| |
| Wpointer-sign |
| C ObjC Var(warn_pointer_sign) Init(-1) Warning |
| Warn when a pointer differs in signedness in an assignment |
| |
| ansi |
| C ObjC C++ ObjC++ |
| A synonym for -std=c89 (for C) or -std=c++98 (for C++) |
| |
| d |
| C ObjC C++ ObjC++ Joined |
| ; Documented in common.opt. FIXME - what about -dI, -dD, -dN and -dD? |
| |
| faccess-control |
| C++ ObjC++ |
| Enforce class member access control semantics |
| |
| fall-virtual |
| C++ ObjC++ |
| |
| falt-external-templates |
| C++ ObjC++ |
| Change when template instances are emitted |
| |
| fasm |
| C ObjC C++ ObjC++ |
| Recognize the \"asm\" keyword |
| |
| fbuiltin |
| C ObjC C++ ObjC++ |
| Recognize built-in functions |
| |
| fbuiltin- |
| C ObjC C++ ObjC++ Joined |
| |
| fcheck-new |
| C++ ObjC++ |
| Check the return value of new |
| |
| fcond-mismatch |
| C ObjC C++ ObjC++ |
| Allow the arguments of the '?' operator to have different types |
| |
| fconserve-space |
| C++ ObjC++ |
| Reduce the size of object files |
| |
| fconstant-string-class= |
| ObjC ObjC++ Joined |
| -fconst-string-class=<name> Use class <name> for constant strings |
| |
| fdeduce-init-list |
| C++ ObjC++ Var(flag_deduce_init_list) Init(1) |
| -fno-deduce-init-list disable deduction of std::initializer_list for a template type parameter from a brace-enclosed initializer-list |
| |
| fdefault-inline |
| C++ ObjC++ |
| Inline member functions by default |
| |
| fdirectives-only |
| C ObjC C++ ObjC++ |
| Preprocess directives only. |
| |
| fdollars-in-identifiers |
| C ObjC C++ ObjC++ |
| Permit '$' as an identifier character |
| |
| felide-constructors |
| C++ ObjC++ |
| |
| fenforce-eh-specs |
| C++ ObjC++ |
| Generate code to check exception specifications |
| |
| fenum-int-equiv |
| C++ ObjC++ |
| |
| fexec-charset= |
| C ObjC C++ ObjC++ Joined RejectNegative |
| -fexec-charset=<cset> Convert all strings and character constants to character set <cset> |
| |
| fextended-identifiers |
| C ObjC C++ ObjC++ |
| Permit universal character names (\\u and \\U) in identifiers |
| |
| finput-charset= |
| C ObjC C++ ObjC++ Joined RejectNegative |
| -finput-charset=<cset> Specify the default character set for source files |
| |
| |
| fexternal-templates |
| C++ ObjC++ |
| |
| ffor-scope |
| C++ ObjC++ |
| Scope of for-init-statement variables is local to the loop |
| |
| ffreestanding |
| C ObjC C++ ObjC++ |
| Do not assume that standard C libraries and \"main\" exist |
| |
| fgnu-keywords |
| C++ ObjC++ |
| Recognize GNU-defined keywords |
| |
| fgnu-runtime |
| ObjC ObjC++ |
| Generate code for GNU runtime environment |
| |
| fgnu89-inline |
| C ObjC Var(flag_gnu89_inline) Init(-1) |
| Use traditional GNU semantics for inline functions |
| |
| fguiding-decls |
| C++ ObjC++ |
| |
| fhandle-exceptions |
| C++ ObjC++ Optimization |
| |
| fhonor-std |
| C++ ObjC++ |
| |
| fhosted |
| C ObjC |
| Assume normal C execution environment |
| |
| fhuge-objects |
| C++ ObjC++ |
| Enable support for huge objects |
| |
| fimplement-inlines |
| C++ ObjC++ |
| Export functions even if they can be inlined |
| |
| fimplicit-inline-templates |
| C++ ObjC++ |
| Emit implicit instantiations of inline templates |
| |
| fimplicit-templates |
| C++ ObjC++ |
| Emit implicit instantiations of templates |
| |
| ffriend-injection |
| C++ ObjC++ Var(flag_friend_injection) |
| Inject friend functions into enclosing namespace |
| |
| flabels-ok |
| C++ ObjC++ |
| |
| flax-vector-conversions |
| C ObjC C++ ObjC++ |
| Allow implicit conversions between vectors with differing numbers of subparts and/or differing element types. |
| |
| fms-extensions |
| C ObjC C++ ObjC++ |
| Don't warn about uses of Microsoft extensions |
| |
| fname-mangling-version- |
| C++ ObjC++ Joined |
| |
| fnew-abi |
| C++ ObjC++ |
| |
| fnext-runtime |
| ObjC ObjC++ |
| Generate code for NeXT (Apple Mac OS X) runtime environment |
| |
| fnil-receivers |
| ObjC ObjC++ |
| Assume that receivers of Objective-C messages may be nil |
| |
| fnonansi-builtins |
| C++ ObjC++ |
| |
| fnonnull-objects |
| C++ ObjC++ |
| |
| ; Generate special '- .cxx_construct' and '- .cxx_destruct' methods |
| ; to initialize any non-POD ivars in Objective-C++ classes. |
| fobjc-call-cxx-cdtors |
| ObjC++ Var(flag_objc_call_cxx_cdtors) |
| Generate special Objective-C methods to initialize/destroy non-POD C++ ivars, if needed |
| |
| fobjc-direct-dispatch |
| ObjC ObjC++ Var(flag_objc_direct_dispatch) |
| Allow fast jumps to the message dispatcher |
| |
| ; Nonzero means that we will allow new ObjC exception syntax (@throw, |
| ; @try, etc.) in source code. |
| fobjc-exceptions |
| ObjC ObjC++ Var(flag_objc_exceptions) |
| Enable Objective-C exception and synchronization syntax |
| |
| fobjc-gc |
| ObjC ObjC++ Var(flag_objc_gc) |
| Enable garbage collection (GC) in Objective-C/Objective-C++ programs |
| |
| ; Nonzero means that we generate NeXT setjmp based exceptions. |
| fobjc-sjlj-exceptions |
| ObjC ObjC++ Var(flag_objc_sjlj_exceptions) Init(-1) |
| Enable Objective-C setjmp exception handling runtime |
| |
| fopenmp |
| C ObjC C++ ObjC++ Var(flag_openmp) |
| Enable OpenMP (implies -frecursive in Fortran) |
| |
| foperator-names |
| C++ ObjC++ |
| Recognize C++ keywords like \"compl\" and \"xor\" |
| |
| foptional-diags |
| C++ ObjC++ |
| Enable optional diagnostics |
| |
| fpch-deps |
| C ObjC C++ ObjC++ |
| |
| fpch-preprocess |
| C ObjC C++ ObjC++ |
| Look for and use PCH files even when preprocessing |
| |
| fpermissive |
| C++ ObjC++ |
| Downgrade conformance errors to warnings |
| |
| fpreprocessed |
| C ObjC C++ ObjC++ |
| Treat the input file as already preprocessed |
| |
| freplace-objc-classes |
| ObjC ObjC++ |
| Used in Fix-and-Continue mode to indicate that object files may be swapped in at runtime |
| |
| frepo |
| C++ ObjC++ |
| Enable automatic template instantiation |
| |
| frtti |
| C++ ObjC++ Optimization |
| Generate run time type descriptor information |
| |
| fshort-double |
| C ObjC C++ ObjC++ Optimization |
| Use the same size for double as for float |
| |
| fshort-enums |
| C ObjC C++ ObjC++ Optimization |
| Use the narrowest integer type possible for enumeration types |
| |
| fshort-wchar |
| C ObjC C++ ObjC++ Optimization |
| Force the underlying type for \"wchar_t\" to be \"unsigned short\" |
| |
| fsigned-bitfields |
| C ObjC C++ ObjC++ |
| When \"signed\" or \"unsigned\" is not given make the bitfield signed |
| |
| fsigned-char |
| C ObjC C++ ObjC++ |
| Make \"char\" signed by default |
| |
| fsquangle |
| C++ ObjC++ |
| |
| fstats |
| C++ ObjC++ |
| Display statistics accumulated during compilation |
| |
| fstrict-prototype |
| C++ ObjC++ |
| |
| ftabstop= |
| C ObjC C++ ObjC++ Joined RejectNegative UInteger |
| -ftabstop=<number> Distance between tab stops for column reporting |
| |
| ftemplate-depth- |
| C++ ObjC++ Joined RejectNegative UInteger |
| -ftemplate-depth-<number> Specify maximum template instantiation depth |
| |
| fthis-is-variable |
| C++ ObjC++ |
| |
| fthreadsafe-statics |
| C++ ObjC++ Optimization |
| -fno-threadsafe-statics Do not generate thread-safe code for initializing local statics |
| |
| funsigned-bitfields |
| C ObjC C++ ObjC++ |
| When \"signed\" or \"unsigned\" is not given make the bitfield unsigned |
| |
| funsigned-char |
| C ObjC C++ ObjC++ |
| Make \"char\" unsigned by default |
| |
| fuse-cxa-atexit |
| C++ ObjC++ |
| Use __cxa_atexit to register destructors |
| |
| fuse-cxa-get-exception-ptr |
| C++ ObjC++ |
| Use __cxa_get_exception_ptr in exception handling |
| |
| fvisibility-inlines-hidden |
| C++ ObjC++ |
| Marks all inlined methods as having hidden visibility |
| |
| fvisibility-ms-compat |
| C++ ObjC++ Var(flag_visibility_ms_compat) |
| Changes visibility to match Microsoft Visual Studio by default |
| |
| fvtable-gc |
| C++ ObjC++ |
| Discard unused virtual functions |
| |
| fvtable-thunks |
| C++ ObjC++ |
| Implement vtables using thunks |
| |
| fweak |
| C++ ObjC++ |
| Emit common-like symbols as weak symbols |
| |
| fwide-exec-charset= |
| C ObjC C++ ObjC++ Joined RejectNegative |
| -fwide-exec-charset=<cset> Convert all wide strings and character constants to character set <cset> |
| |
| fworking-directory |
| C ObjC C++ ObjC++ |
| Generate a #line directive pointing at the current working directory |
| |
| fxref |
| C++ ObjC++ |
| Emit cross referencing information |
| |
| fzero-link |
| ObjC ObjC++ |
| Generate lazy class lookup (via objc_getClass()) for use in Zero-Link mode |
| |
| gen-decls |
| ObjC ObjC++ |
| Dump declarations to a .decl file |
| |
| femit-struct-debug-baseonly |
| C ObjC C++ ObjC++ |
| -femit-struct-debug-baseonly Aggressive reduced debug info for structs |
| |
| femit-struct-debug-reduced |
| C ObjC C++ ObjC++ |
| -femit-struct-debug-reduced Conservative reduced debug info for structs |
| |
| femit-struct-debug-detailed= |
| C ObjC C++ ObjC++ Joined |
| -femit-struct-debug-detailed=<spec-list> Detailed reduced debug info for structs |
| |
| idirafter |
| C ObjC C++ ObjC++ Joined Separate |
| -idirafter <dir> Add <dir> to the end of the system include path |
| |
| imacros |
| C ObjC C++ ObjC++ Joined Separate |
| -imacros <file> Accept definition of macros in <file> |
| |
| imultilib |
| C ObjC C++ ObjC++ Joined Separate |
| -imultilib <dir> Set <dir> to be the multilib include subdirectory |
| |
| include |
| C ObjC C++ ObjC++ Joined Separate |
| -include <file> Include the contents of <file> before other files |
| |
| iprefix |
| C ObjC C++ ObjC++ Joined Separate |
| -iprefix <path> Specify <path> as a prefix for next two options |
| |
| isysroot |
| C ObjC C++ ObjC++ Joined Separate |
| -isysroot <dir> Set <dir> to be the system root directory |
| |
| isystem |
| C ObjC C++ ObjC++ Joined Separate |
| -isystem <dir> Add <dir> to the start of the system include path |
| |
| iquote |
| C ObjC C++ ObjC++ Joined Separate |
| -iquote <dir> Add <dir> to the end of the quote include path |
| |
| iwithprefix |
| C ObjC C++ ObjC++ Joined Separate |
| -iwithprefix <dir> Add <dir> to the end of the system include path |
| |
| iwithprefixbefore |
| C ObjC C++ ObjC++ Joined Separate |
| -iwithprefixbefore <dir> Add <dir> to the end of the main include path |
| |
| lang-asm |
| C Undocumented |
| |
| lang-objc |
| C ObjC C++ ObjC++ Undocumented |
| |
| nostdinc |
| C ObjC C++ ObjC++ |
| Do not search standard system include directories (those specified with -isystem will still be used) |
| |
| nostdinc++ |
| C++ ObjC++ |
| Do not search standard system include directories for C++ |
| |
| o |
| C ObjC C++ ObjC++ Joined Separate |
| ; Documented in common.opt |
| |
| pedantic |
| C ObjC C++ ObjC++ |
| ; Documented in common.opt |
| |
| pedantic-errors |
| C ObjC C++ ObjC++ |
| ; Documented in common.opt |
| |
| print-objc-runtime-info |
| ObjC ObjC++ |
| Generate C header of platform-specific features |
| |
| print-pch-checksum |
| C ObjC C++ ObjC++ |
| Print a checksum of the executable for PCH validity checking, and stop |
| |
| remap |
| C ObjC C++ ObjC++ |
| Remap file names when including files |
| |
| std=c++98 |
| C++ ObjC++ |
| Conform to the ISO 1998 C++ standard |
| |
| std=c++0x |
| C++ ObjC++ |
| Conform to the ISO 1998 C++ standard, with extensions that are likely to |
| become a part of the upcoming ISO C++ standard, dubbed C++0x. Note that the |
| extensions enabled by this mode are experimental and may be removed in |
| future releases of GCC. |
| |
| std=c89 |
| C ObjC |
| Conform to the ISO 1990 C standard |
| |
| std=c99 |
| C ObjC |
| Conform to the ISO 1999 C standard |
| |
| std=c9x |
| C ObjC |
| Deprecated in favor of -std=c99 |
| |
| std=gnu++98 |
| C++ ObjC++ |
| Conform to the ISO 1998 C++ standard with GNU extensions |
| |
| std=gnu++0x |
| C++ ObjC++ |
| Conform to the ISO 1998 C++ standard, with GNU extensions and |
| extensions that are likely to become a part of the upcoming ISO C++ |
| standard, dubbed C++0x. Note that the extensions enabled by this mode |
| are experimental and may be removed in future releases of GCC. |
| |
| std=gnu89 |
| C ObjC |
| Conform to the ISO 1990 C standard with GNU extensions |
| |
| std=gnu99 |
| C ObjC |
| Conform to the ISO 1999 C standard with GNU extensions |
| |
| std=gnu9x |
| C ObjC |
| Deprecated in favor of -std=gnu99 |
| |
| std=iso9899:1990 |
| C ObjC |
| Conform to the ISO 1990 C standard |
| |
| std=iso9899:199409 |
| C ObjC |
| Conform to the ISO 1990 C standard as amended in 1994 |
| |
| std=iso9899:1999 |
| C ObjC |
| Conform to the ISO 1999 C standard |
| |
| std=iso9899:199x |
| C ObjC |
| Deprecated in favor of -std=iso9899:1999 |
| |
| traditional-cpp |
| C ObjC C++ ObjC++ |
| Enable traditional preprocessing |
| |
| trigraphs |
| C ObjC C++ ObjC++ |
| -trigraphs Support ISO C trigraphs |
| |
| undef |
| C ObjC C++ ObjC++ |
| Do not predefine system-specific and GCC-specific macros |
| |
| v |
| Common C ObjC C++ ObjC++ |
| Enable verbose output |
| |
| w |
| C ObjC C++ ObjC++ |
| ; Documented in common.opt |
| |
| ; This comment is to ensure we retain the blank line above. |
