; Options for the C, ObjC, C++ and ObjC++ front ends.
-; Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
-; Free Software Foundation, Inc.
+; Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
+; 2011 Free Software Foundation, Inc.
;
; This file is part of GCC.
;
Language
ObjC++
+-all-warnings
+C ObjC C++ ObjC++ Warning Alias(Wall)
+
+-ansi
+C ObjC C++ ObjC++ Alias(ansi)
+
+-assert
+C ObjC C++ ObjC++ Separate Alias(A) MissingArgError(assertion missing after %qs)
+
+-assert=
+C ObjC C++ ObjC++ Joined Alias(A) MissingArgError(assertion missing after %qs)
+
+-comments
+C ObjC C++ ObjC++ Alias(C)
+
+-comments-in-macros
+C ObjC C++ ObjC++ Alias(CC)
+
+-define-macro
+C ObjC C++ ObjC++ Separate Alias(D) MissingArgError(macro name missing after %qs)
+
+-define-macro=
+C ObjC C++ ObjC++ Joined Alias(D) MissingArgError(macro name missing after %qs)
+
+-dependencies
+C ObjC C++ ObjC++ Alias(M)
+
+-dump
+C ObjC C++ ObjC++ Separate Alias(d)
+
+-dump=
+C ObjC C++ ObjC++ Joined Alias(d)
+
+-imacros
+C ObjC C++ ObjC++ Separate Alias(imacros) MissingArgError(missing filename after %qs)
+
+-imacros=
+C ObjC C++ ObjC++ Joined Alias(imacros) MissingArgError(missing filename after %qs)
+
+-include
+C ObjC C++ ObjC++ Separate Alias(include) MissingArgError(missing filename after %qs)
+
+-include=
+C ObjC C++ ObjC++ Joined Alias(include) MissingArgError(missing filename after %qs)
+
+-include-barrier
+C ObjC C++ ObjC++ Alias(I, -)
+
+-include-directory
+C ObjC C++ ObjC++ Separate Alias(I) MissingArgError(missing path after %qs)
+
+-include-directory=
+C ObjC C++ ObjC++ Joined Alias(I) MissingArgError(missing path after %qs)
+
+-include-directory-after
+C ObjC C++ ObjC++ Separate Alias(idirafter) MissingArgError(missing path after %qs)
+
+-include-directory-after=
+C ObjC C++ ObjC++ Joined Alias(idirafter) MissingArgError(missing path after %qs)
+
+-include-prefix
+C ObjC C++ ObjC++ Separate Alias(iprefix)
+
+-include-prefix=
+C ObjC C++ ObjC++ JoinedOrMissing Alias(iprefix)
+
+-include-with-prefix
+C ObjC C++ ObjC++ Separate Alias(iwithprefix)
+
+-include-with-prefix=
+C ObjC C++ ObjC++ JoinedOrMissing Alias(iwithprefix)
+
+-include-with-prefix-after
+C ObjC C++ ObjC++ Separate Alias(iwithprefix)
+
+-include-with-prefix-after=
+C ObjC C++ ObjC++ JoinedOrMissing Alias(iwithprefix)
+
+-include-with-prefix-before
+C ObjC C++ ObjC++ Separate Alias(iwithprefixbefore)
+
+-include-with-prefix-before=
+C ObjC C++ ObjC++ JoinedOrMissing Alias(iwithprefixbefore)
+
+-no-integrated-cpp
+Driver Alias(no-integrated-cpp)
+
+-no-line-commands
+C ObjC C++ ObjC++ Alias(P)
+
+-no-standard-includes
+C ObjC C++ ObjC++ Alias(nostdinc)
+
+-no-warnings
+C ObjC C++ ObjC++ Alias(w)
+
+-output
+C ObjC C++ ObjC++ Separate Alias(o)
+
+-output=
+C ObjC C++ ObjC++ Joined Alias(o)
+
-output-pch=
C ObjC C++ ObjC++ Joined Separate
+-pedantic
+C ObjC C++ ObjC++ Alias(pedantic)
+
+-pedantic-errors
+C ObjC C++ ObjC++ Alias(pedantic-errors)
+
+-preprocess
+C ObjC C++ ObjC++ Undocumented Alias(E)
+
+-print-missing-file-dependencies
+C ObjC C++ ObjC++ Alias(MG)
+
+-trace-includes
+C ObjC C++ ObjC++ Alias(H)
+
+-traditional
+Driver Alias(traditional)
+
+-traditional-cpp
+C ObjC C++ ObjC++ Alias(traditional-cpp)
+
+-trigraphs
+C ObjC C++ ObjC++ Alias(trigraphs)
+
+-undefine-macro
+C ObjC C++ ObjC++ Separate Alias(U) MissingArgError(macro name missing after %qs)
+
+-undefine-macro=
+C ObjC C++ ObjC++ Joined Alias(U) MissingArgError(macro name missing after %qs)
+
+-user-dependencies
+C ObjC C++ ObjC++ Alias(MM)
+
+-verbose
+Common C ObjC C++ ObjC++ Alias(v)
+
+-write-dependencies
+C ObjC C++ ObjC++ NoDriverArg Separate Alias(MD) MissingArgError(missing filename after %qs)
+
+-write-user-dependencies
+C ObjC C++ ObjC++ NoDriverArg Separate Alias(MMD) MissingArgError(missing filename after %qs)
+
A
C ObjC C++ ObjC++ Joined Separate MissingArgError(assertion missing after %qs)
-A<question>=<answer> Assert the <answer> to <question>. Putting '-' before <question> disables the <answer> to <question>
C ObjC C++ ObjC++ Undocumented Var(flag_preprocess_only)
F
-C ObjC C++ ObjC++ Joined Separate MissingArgError(missing path after %qs)
+Driver C ObjC C++ ObjC++ Joined Separate MissingArgError(missing path after %qs)
-F <dir> Add <dir> to the end of the main framework include path
H
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
+Deprecated in favor of -Wc++11-compat
+
+Wc++11-compat
+C++ ObjC++ Warning Alias(Wc++0x-compat)
+Warn about C++ constructs whose meaning differs between ISO C++ 1998 and ISO C++ 2011
Wcast-qual
C ObjC C++ ObjC++ Var(warn_cast_qual) Warning
Warn about possibly nested block comments, and C++ comments spanning more than one physical line
Wcomments
-C ObjC C++ ObjC++ Warning
+C ObjC C++ ObjC++ Warning Alias(Wcomment)
Synonym for -Wcomment
Wconversion
C ObjC Var(warn_declaration_after_statement) Warning
Warn when a declaration is found after a statement
+Wdelete-non-virtual-dtor
+C++ ObjC++ Var(warn_delnonvdtor) Warning
+Warn about deleting polymorphic objects with non-virtual destructors
+
Wdeprecated
C C++ ObjC ObjC++ Var(warn_deprecated) Init(1) Warning
Warn if a deprecated compiler feature, class, method, or field is used
; Documented in common.opt
Werror-implicit-function-declaration
-C ObjC RejectNegative Warning
+C ObjC RejectNegative Warning Alias(Werror=, implicit-function-declaration)
This switch is deprecated; use -Werror=implicit-function-declaration instead
Wfloat-equal
Warn about strftime formats yielding 2-digit years
Wformat-zero-length
-C ObjC Var(warn_format_zero_length) Warning
+C ObjC C++ ObjC++ Var(warn_format_zero_length) Warning
Warn about zero-length formats
Wformat=
C ObjC Var(warn_implicit) Init(-1) Warning
Warn about implicit declarations
+Wdouble-promotion
+C ObjC C++ ObjC++ Var(warn_double_promotion) Warning
+Warn about implicit conversions from \"float\" to \"double\"
+
Wimplicit-function-declaration
C ObjC Var(warn_implicit_function_declaration) Init(-1) Warning
Warn about implicit function declarations
Warn when a declaration does not specify a type
Wimport
-C ObjC C++ ObjC++ Undocumented
+C ObjC C++ ObjC++ Undocumented Ignore
Wint-to-pointer-cast
C ObjC C++ ObjC++ Var(warn_int_to_pointer_cast) Init(1) Warning
C ObjC C++ ObjC++ Warning
Warn about use of multi-character character constants
+Wnarrowing
+C ObjC C++ ObjC++ Warning Var(warn_narrowing) Init(1)
+-Wno-narrowing In C++0x mode, ignore ill-formed narrowing conversions within { }
+
Wnested-externs
C ObjC Var(warn_nested_externs) Warning
Warn about \"extern\" declarations not at file scope
Warn about non-virtual destructors
Wnonnull
-C ObjC Var(warn_nonnull) Warning
+C ObjC C++ ObjC++ Var(warn_nonnull) Warning
Warn about NULL being passed to argument slots marked as requiring non-NULL
Wnormalized=
C ObjC C++ ObjC++ Var(warn_pragmas) Init(1) Warning
Warn about misuses of pragmas
+Wproperty-assign-default
+ObjC ObjC++ Var(warn_property_assign_default) Init(1) Warning
+Warn if a property for an Objective-C object has no assign semantics specified
+
Wprotocol
ObjC ObjC++ Var(warn_protocol) Init(1) Warning
Warn if inherited methods are unimplemented
C ObjC Var(warn_unsuffixed_float_constants) Warning
Warn about unsuffixed float constants
+Wunused-local-typedefs
+C ObjC C++ ObjC++ Var(warn_unused_local_typedefs) Warning
+Warn about
+
Wunused-macros
C ObjC C++ ObjC++ Warning
Warn about macros defined in the main file that are not used
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.
+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
Enforce class member access control semantics
fall-virtual
-C++ ObjC++
+C++ ObjC++ Ignore Warn(switch %qs is no longer supported)
+
+fallow-parameterless-variadic-functions
+C ObjC Var(flag_allow_parameterless_variadic_functions)
+Allow variadic functions without named parameter
falt-external-templates
-C++ ObjC++
-Change when template instances are emitted
+C++ ObjC++ Ignore Warn(switch %qs is no longer supported)
+No longer supported
fasm
C ObjC C++ ObjC++ Var(flag_no_asm, 0)
Recognize the \"asm\" keyword
+; Define extra predefined macros for use in libgcc.
+fbuilding-libgcc
+C ObjC C++ ObjC++ Undocumented Var(flag_building_libgcc)
+
fbuiltin
C ObjC C++ ObjC++ Var(flag_no_builtin, 0)
Recognize built-in functions
ObjC ObjC++ Joined MissingArgError(no class name specified with %qs)
-fconst-string-class=<name> Use class <name> for constant strings
+fconstexpr-depth=
+C++ ObjC++ Joined RejectNegative UInteger Var(max_constexpr_depth) Init(512)
+-fconstexpr-depth=<number> Specify maximum constexpr recursion depth
+
+fdebug-cpp
+C ObjC C++ ObjC++
+Emit debug annotations during preprocessing
+
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
+C++ ObjC++ Var(flag_deduce_init_list) Init(0)
+-fdeduce-init-list enable deduction of std::initializer_list for a template type parameter from a brace-enclosed initializer-list
fdefault-inline
-C++ ObjC++
+C++ ObjC++ Ignore
Does nothing. Preserved for backward compatibility.
fdirectives-only
Generate code to check exception specifications
fenum-int-equiv
-C++ ObjC++
+C++ ObjC++ Ignore Warn(switch %qs is no longer supported)
fexec-charset=
C ObjC C++ ObjC++ Joined RejectNegative
fexternal-templates
-C++ ObjC++
+C++ ObjC++ Ignore Warn(switch %qs is no longer supported)
ffor-scope
C++ ObjC++ Var(flag_new_for_scope) Init(1)
Use traditional GNU semantics for inline functions
fguiding-decls
-C++ ObjC++
+C++ ObjC++ Ignore Warn(switch %qs is no longer supported)
fhandle-exceptions
-C++ ObjC++ Optimization
+C++ ObjC++ Optimization Alias(fexceptions) Warn({-fhandle-exceptions has been renamed -fexceptions (and is now on by default)})
fhonor-std
-C++ ObjC++
+C++ ObjC++ Ignore Warn(switch %qs is no longer supported)
fhosted
C ObjC
Assume normal C execution environment
fhuge-objects
-C++ ObjC++
-Enable support for huge objects
+C++ ObjC++ Ignore Warn(switch %qs is no longer supported)
+No longer supported
fimplement-inlines
C++ ObjC++ Var(flag_implement_inlines) Init(1)
C++ ObjC++ Var(flag_friend_injection)
Inject friend functions into enclosing namespace
+fkeep-inline-dllexport
+C C++ ObjC ObjC++ Var(flag_keep_inline_dllexport) Init(1) Report Condition(TARGET_DLLIMPORT_DECL_ATTRIBUTES)
+Don't emit dllexported inline functions unless needed
+
flabels-ok
-C++ ObjC++
+C++ ObjC++ Ignore Warn(switch %qs is no longer supported)
flax-vector-conversions
C ObjC C++ ObjC++ Var(flag_lax_vector_conversions)
Don't warn about uses of Microsoft extensions
fname-mangling-version-
-C++ ObjC++ Joined
+C++ ObjC++ Joined Ignore Warn(switch %qs is no longer supported)
fnew-abi
-C++ ObjC++
+C++ ObjC++ Ignore Warn(switch %qs is no longer supported)
fnext-runtime
ObjC ObjC++
C++ ObjC++ Var(flag_no_nonansi_builtin, 0)
fnonnull-objects
-C++ ObjC++
+C++ ObjC++ Ignore Warn(switch %qs is no longer supported)
fnothrow-opt
C++ ObjC++ Optimization Var(flag_nothrow_opt)
Treat a throw() exception specification as noexcept to improve code size
+fobjc-abi-version=
+ObjC ObjC++ Joined Report RejectNegative UInteger Var(flag_objc_abi)
+Specify which ABI to use for Objective-C family code and meta-data generation.
+
; Generate special '- .cxx_construct' and '- .cxx_destruct' methods
; to initialize any non-POD ivars in Objective-C++ classes.
fobjc-call-cxx-cdtors
ObjC ObjC++ Var(flag_objc_gc)
Enable garbage collection (GC) in Objective-C/Objective-C++ programs
+fobjc-nilcheck
+ObjC ObjC++ Var(flag_objc_nilcheck,1)
+Enable inline checks for nil receivers with the NeXT runtime and ABI version 2.
+
; 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
+fobjc-std=objc1
+ObjC ObjC++ Var(flag_objc1_only)
+Conform to the Objective-C 1.0 language as implemented in GCC 4.0
+
fopenmp
C ObjC C++ ObjC++ Var(flag_openmp)
Enable OpenMP (implies -frecursive in Fortran)
Recognize C++ keywords like \"compl\" and \"xor\"
foptional-diags
-C++ ObjC++
+C++ ObjC++ Ignore
Does nothing. Preserved for backward compatibility.
fpch-deps
C++ ObjC++
Downgrade conformance errors to warnings
+fplan9-extensions
+C ObjC Var(flag_plan9_extensions)
+Enable Plan 9 language extensions
+
fpreprocessed
C ObjC C++ ObjC++
Treat the input file as already preprocessed
+ftrack-macro-expansion
+C ObjC C++ ObjC++ JoinedOrMissing RejectNegative UInteger
+; converted into ftrack-macro-expansion=
+
+ftrack-macro-expansion=
+C ObjC C++ ObjC++ JoinedOrMissing RejectNegative UInteger
+-ftrack-macro-expansion=<0|1|2> Track locations of tokens coming from macro expansion and display them in error messages
+
fpretty-templates
C++ ObjC++ Var(flag_pretty_templates) Init(1)
-fno-pretty-templates Do not pretty-print template specializations as the template signature followed by the arguments
Make \"char\" signed by default
fsquangle
-C++ ObjC++
+C++ ObjC++ Ignore Warn(switch %qs is no longer supported)
fstats
C++ ObjC++ Var(flag_detailed_statistics)
Assume that values of enumeration type are always within the minimum range of that type
fstrict-prototype
-C++ ObjC++
+C++ ObjC++ Ignore Warn(switch %qs is no longer supported)
ftabstop=
C ObjC C++ ObjC++ Joined RejectNegative UInteger
-ftabstop=<number> Distance between tab stops for column reporting
ftemplate-depth-
-C++ ObjC++ Joined RejectNegative UInteger Undocumented
+C++ ObjC++ Joined RejectNegative Undocumented Alias(ftemplate-depth=)
ftemplate-depth=
C++ ObjC++ Joined RejectNegative UInteger
-ftemplate-depth=<number> Specify maximum template instantiation depth
fthis-is-variable
-C++ ObjC++
+C++ ObjC++ Ignore Warn(switch %qs is no longer supported)
fthreadsafe-statics
C++ ObjC++ Optimization Var(flag_threadsafe_statics) Init(1)
-fno-threadsafe-statics Do not generate thread-safe code for initializing local statics
funsigned-bitfields
-C ObjC C++ ObjC++ Var(flag_signed_bitfields, 0) VarExists
+C ObjC C++ ObjC++ Var(flag_signed_bitfields, 0)
When \"signed\" or \"unsigned\" is not given make the bitfield unsigned
funsigned-char
-C ObjC C++ ObjC++ LTO Var(flag_signed_char, 0) VarExists
+C ObjC C++ ObjC++ LTO Var(flag_signed_char, 0)
Make \"char\" unsigned by default
fuse-cxa-atexit
fvisibility-inlines-hidden
C++ ObjC++
-Marks all inlined methods as having hidden visibility
+Marks all inlined functions and 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
+C++ ObjC++ Ignore Warn(switch %qs is no longer supported)
+No longer supported
fvtable-thunks
-C++ ObjC++
-Implement vtables using thunks
+C++ ObjC++ Ignore Warn(switch %qs is no longer supported)
+No longer supported
fweak
C++ ObjC++ Var(flag_weak) Init(1)
Generate a #line directive pointing at the current working directory
fxref
-C++ ObjC++
-Emit cross referencing information
+C++ ObjC++ Ignore Warn(switch %qs is no longer supported)
+No longer supported
fzero-link
ObjC ObjC++ Var(flag_zero_link)
lang-asm
C Undocumented RejectDriver
+no-integrated-cpp
+Driver
+
nostdinc
C ObjC C++ ObjC++
Do not search standard system include directories (those specified with -isystem will still be used)
std=c++98
C++ ObjC++
-Conform to the ISO 1998 C++ standard
+Conform to the ISO 1998 C++ standard revised by the 2003 technical corrigendum
-std=c++0x
+std=c++03
+C++ ObjC++ Alias(std=c++98)
+Conform to the ISO 1998 C++ standard revised by the 2003 technical corrigendum
+
+std=c++11
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.
+Conform to the ISO 2011 C++ standard (experimental and incomplete support)
+
+std=c++0x
+C++ ObjC++ Alias(std=c++11)
+Deprecated in favor of -std=c++11
std=c1x
C ObjC
Conform to the ISO 201X C standard draft (experimental and incomplete support)
std=c89
-C ObjC
+C ObjC Alias(std=c90)
Conform to the ISO 1990 C standard
std=c90
Conform to the ISO 1999 C standard
std=c9x
-C ObjC
+C ObjC Alias(std=c99)
Deprecated in favor of -std=c99
std=gnu++98
C++ ObjC++
-Conform to the ISO 1998 C++ standard with GNU extensions
+Conform to the ISO 1998 C++ standard revised by the 2003 technical
+corrigendum with GNU extensions
-std=gnu++0x
+std=gnu++03
+C++ ObjC++ Alias(std=gnu++98)
+Conform to the ISO 1998 C++ standard revised by the 2003 technical
+corrigendum with GNU extensions
+
+std=gnu++11
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.
+Conform to the ISO 2011 C++ standard with GNU extensions (experimental and incomplete support)
+
+std=gnu++0x
+C++ ObjC++ Alias(std=gnu++11)
+Deprecated in favor of -std=gnu++11
std=gnu1x
C ObjC
Conform to the ISO 201X C standard draft with GNU extensions (experimental and incomplete support)
std=gnu89
-C ObjC
+C ObjC Alias(std=gnu90)
Conform to the ISO 1990 C standard with GNU extensions
std=gnu90
Conform to the ISO 1999 C standard with GNU extensions
std=gnu9x
-C ObjC
+C ObjC Alias(std=gnu99)
Deprecated in favor of -std=gnu99
std=iso9899:1990
-C ObjC
+C ObjC Alias(std=c90)
Conform to the ISO 1990 C standard
std=iso9899:199409
Conform to the ISO 1990 C standard as amended in 1994
std=iso9899:1999
-C ObjC
+C ObjC Alias(std=c99)
Conform to the ISO 1999 C standard
std=iso9899:199x
-C ObjC
+C ObjC Alias(std=c99)
Deprecated in favor of -std=iso9899:1999
+traditional
+Driver
+
traditional-cpp
C ObjC C++ ObjC++
Enable traditional preprocessing
Do not predefine system-specific and GCC-specific macros
v
-Common C ObjC C++ ObjC++
-Enable verbose output
+C ObjC C++ ObjC++
+; Documented in common.opt
w
C ObjC C++ ObjC++
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