c-common.h (warn_cast_qual, [...]): Remove explicit declarations.

* c-common.h (warn_cast_qual, warn_missing_format_attribute,
warn_pointer_arith, warn_missing_prototypes, warn_parentheses,
warn_missing_braces, warn_sign_compare, warn_long_long,
warn_redundant_decls, warn_float_equal, warn_char_subscripts,
warn_conversion, warn_format_y2k, warn_format_extra_args,
warn_format_zero_length, warn_format_nonliteral,
warn_format_security, mesg_implicit_function_declaration,
warn_bad_function_cast, warn_traditional,
warn_declaration_after_statement, warn_strict_prototypes,
warn_missing_declarations, warn_nested_externs,
warn_sequence_point, warn_init_self, warn_div_by_zero,
warn_implicit_int, warn_nonnull, warn_old_style_definition,
warn_selector, warn_undeclared_selector, warn_protocol,
warn_abi, warn_invalid_offsetof, warn_ctor_dtor_privacy,
warn_overloaded_virtual, warn_nonvdtor, warn_reorder,
warn_synth, warn_pmf2ptr, warn_ecpp, warn_sign_promo,
warn_old_style_cast, warn_nontemplate_friend,
warn_deprecated): Remove explicit declarations.
* c-common.c: Likewise, remove explicit definitions.
* c-opts.c: Likewise, remove explicit assignments.
* c.opts: Likewise, add implicit declare/define/assign.

From-SVN: r83680

1 files changed, 0 insertions, 215 deletions

diff --git a/gcc/c-common.c b/gcc/c-common.c
index dddd6ec..0edbd5f 100644
--- a/gcc/c-common.c
+++ b/gcc/c-common.c
@@ -268,65 +268,11 @@ int flag_const_strings;
 int flag_signed_bitfields = 1;
 int explicit_flag_signed_bitfields;
 
-/* Nonzero means warn about pointer casts that can drop a type qualifier
-   from the pointer target type.  */
-
-int warn_cast_qual;
-
-/* Warn about functions which might be candidates for format attributes.  */
-
-int warn_missing_format_attribute;
-
-/* Nonzero means warn about sizeof(function) or addition/subtraction
-   of function pointers.  */
-
-int warn_pointer_arith;
-
-/* Nonzero means warn for any global function def
-   without separate previous prototype decl.  */
-
-int warn_missing_prototypes;
-
-/* Warn if adding () is suggested.  */
-
-int warn_parentheses;
-
-/* Warn if initializer is not completely bracketed.  */
-
-int warn_missing_braces;
-
-/* Warn about comparison of signed and unsigned values.
-   If -1, neither -Wsign-compare nor -Wno-sign-compare has been specified
-   (in which case -Wextra gets to decide).  */
-
-int warn_sign_compare = -1;
-
-/* Nonzero means warn about usage of long long when `-pedantic'.  */
-
-int warn_long_long = 1;
-
 /* Nonzero means warn about deprecated conversion from string constant to
    `char *'.  */
 
 int warn_write_strings;
 
-/* Nonzero means warn about multiple (redundant) decls for the same single
-   variable or function.  */
-
-int warn_redundant_decls;
-
-/* Warn about testing equality of floating point numbers.  */
-
-int warn_float_equal;
-
-/* Warn about a subscript that has type char.  */
-
-int warn_char_subscripts;
-
-/* Warn if a type conversion is done that might have confusing results.  */
-
-int warn_conversion;
-
 /* Warn about #pragma directives that are not recognized.  */
 
 int warn_unknown_pragmas; /* Tri state variable.  */
@@ -336,26 +282,6 @@ int warn_unknown_pragmas; /* Tri state variable.  */
 
 int warn_format;
 
-/* Warn about Y2K problems with strftime formats.  */
-
-int warn_format_y2k;
-
-/* Warn about excess arguments to formats.  */
-
-int warn_format_extra_args;
-
-/* Warn about zero-length formats.  */
-
-int warn_format_zero_length;
-
-/* Warn about non-literal format arguments.  */
-
-int warn_format_nonliteral;
-
-/* Warn about possible security problems with calls to format functions.  */
-
-int warn_format_security;
-
 /* Zero means that faster, ...NonNil variants of objc_msgSend...
    calls will be used in ObjC; passing nil receivers to such calls
    will most likely result in crashes.  */
@@ -381,11 +307,6 @@ int flag_replace_objc_classes = 0;
 /* C/ObjC language option variables.  */
 
 
-/* Nonzero means message about use of implicit function declarations;
- 1 means warning; 2 means error.  */
-
-int mesg_implicit_function_declaration = -1;
-
 /* Nonzero means allow type mismatches in conditional expressions;
    just make their values `void'.  */
 
@@ -403,67 +324,10 @@ int flag_isoc99;
 
 int flag_hosted = 1;
 
-/* Nonzero means warn when casting a function call to a type that does
-   not match the return type (e.g. (float)sqrt() or (anything*)malloc()
-   when there is no previous declaration of sqrt or malloc.  */
-
-int warn_bad_function_cast;
-
-/* Warn about traditional constructs whose meanings changed in ANSI C.  */
-
-int warn_traditional;
-
-/* Nonzero means warn for a declaration found after a statement.  */
-
-int warn_declaration_after_statement;
-
-/* Nonzero means warn for non-prototype function decls
-   or non-prototyped defs without previous prototype.  */
-
-int warn_strict_prototypes;
-
-/* Nonzero means warn for any global function def
-   without separate previous decl.  */
-
-int warn_missing_declarations;
-
-/* Nonzero means warn about declarations of objects not at
-   file-scope level and about *all* declarations of functions (whether
-   or static) not at file-scope level.  Note that we exclude
-   implicit function declarations.  To get warnings about those, use
-   -Wimplicit.  */
-
-int warn_nested_externs;
-
 /* Warn if main is suspicious.  */
 
 int warn_main;
 
-/* Nonzero means warn about possible violations of sequence point rules.  */
-
-int warn_sequence_point;
-
-/* Nonzero means warn about uninitialized variable when it is initialized with itself.
-   For example: int i = i;, GCC will not warn about this when warn_init_self is nonzero.  */
-
-int warn_init_self;
-
-/* Nonzero means to warn about compile-time division by zero.  */
-int warn_div_by_zero = 1;
-
-/* Nonzero means warn about use of implicit int.  */
-
-int warn_implicit_int;
-
-/* Warn about NULL being passed to argument slots marked as requiring
-   non-NULL.  */
-
-int warn_nonnull;
-
-/* Warn about old-style parameter declaration.  */
-
-int warn_old_style_definition;
-
 
 /* ObjC language option variables.  */
 
@@ -491,25 +355,6 @@ int print_struct_values;
 
 const char *constant_string_class_name;
 
-/* Warn if multiple methods are seen for the same selector, but with
-   different argument types.  Performs the check on the whole selector
-   table at the end of compilation.  */
-
-int warn_selector;
-
-/* Warn if a @selector() is found, and no method with that selector
-   has been previously declared.  The check is done on each
-   @selector() as soon as it is found - so it warns about forward
-   declarations.  */
-
-int warn_undeclared_selector;
-
-/* Warn if methods required by a protocol are not implemented in the
-   class adopting it.  When turned off, methods inherited to that
-   class are also considered implemented.  */
-
-int warn_protocol = 1;
-
 
 /* C++ language option variables.  */
 
@@ -612,70 +457,10 @@ int flag_permissive;
 
 int flag_enforce_eh_specs = 1;
 
-/* Nonzero means warn about things that will change when compiling
-   with an ABI-compliant compiler.  */
-
-int warn_abi = 0;
-
-/* Nonzero means warn about invalid uses of offsetof.  */
-
-int warn_invalid_offsetof = 1;
-
 /* Nonzero means warn about implicit declarations.  */
 
 int warn_implicit = 1;
 
-/* Nonzero means warn when all ctors or dtors are private, and the class
-   has no friends.  */
-
-int warn_ctor_dtor_privacy = 0;
-
-/* Nonzero means warn in function declared in derived class has the
-   same name as a virtual in the base class, but fails to match the
-   type signature of any virtual function in the base class.  */
-
-int warn_overloaded_virtual;
-
-/* Nonzero means warn when declaring a class that has a non virtual
-   destructor, when it really ought to have a virtual one.  */
-
-int warn_nonvdtor;
-
-/* Nonzero means warn when the compiler will reorder code.  */
-
-int warn_reorder;
-
-/* Nonzero means warn when synthesis behavior differs from Cfront's.  */
-
-int warn_synth;
-
-/* Nonzero means warn when we convert a pointer to member function
-   into a pointer to (void or function).  */
-
-int warn_pmf2ptr = 1;
-
-/* Nonzero means warn about violation of some Effective C++ style rules.  */
-
-int warn_ecpp;
-
-/* Nonzero means warn where overload resolution chooses a promotion from
-   unsigned to signed over a conversion to an unsigned of the same size.  */
-
-int warn_sign_promo;
-
-/* Nonzero means warn when an old-style cast is used.  */
-
-int warn_old_style_cast;
-
-/* Nonzero means warn when non-templatized friend functions are
-   declared within a template */
-
-int warn_nontemplate_friend = 1;
-
-/* Nonzero means complain about deprecated features.  */
-
-int warn_deprecated = 1;
-
 /* Maximum template instantiation depth.  This limit is rather
    arbitrary, but it exists to limit the time it takes to notice
    infinite template instantiations.  */