configure.ac: Skip C if explicitly selected.

toplevel/
	* configure.ac: Skip C if explicitly selected.
	* configure: Regenerate.

gcc/
	* configure.ac: Remove special gtfiles case for C.
	* configure: Regenerate.
	* Makefile.in: Remove C front-end hooks and build hooks that
	will be picked up from c/Make-lang.in now.
	Add tree-mudflap to C_COMMON_OBJS.
	* gengtype.c (files_rules): Adjust gt-files for c/c-decl.c.
	* config/vms/vms.c: Look for c-tree.h in c/.
	* doc/gty.texi: Remove reference to c-config-lang.in.
	* doc/sourcebuild.texi: Document the c/ subdirectory.

c/
	* Make-lang.in: New file, rules migrated from gcc/Makefile.in
	and add language Makefile hooks.
	* config-lang.in: New file.
	* c-config-lang.in: Moved from gcc/config-lang.in to here, and
	add the required "normal" config-lang.in rules.
	* c-lang.h: Moved from gcc/ to here.
	* c-tree.h: Likewise.
	* c-objc-common.c: Likewise.
	* c-objc-common.h: Likewise.
	* c-typeck.c: Likewise.
	* c-convert.c: Likewise.
	* c-lang.c: Likewise.
	* c-aux-info.c: Likewise.
	* c-errors.c: Likewise.
	* gccspec.c: Likewise.
	* c-decl.c: Likewise.  Include gt-c-c-decl.h, not gt-c-decl.h.
	* c-parser.c: Likewise.  Include gt-c-c-parser.h, not gt-c-parser.h.

c-family/
	* cppspec.c: Moved from gcc/ to here.

objc/
	* Make-ang.in: Adjust for move of C front-end files.
	* config-lang.in: Likewise.
	* objc-encoding.c: Look for cp-tree.h in cp/, and for c-tree.h
	and c-lang.h in c/.
	* objc-runtime-shared-support.c: Likewise.
	* objc-next-runtime-abi-01.c: Likewise.
	* objc-next-runtime-abi-02.c: Likewise.
	* objc-gnu-runtime-abi-01.c: Likewise.
	* objc-act.c: Likewise.
	* objc-lang.c: Likewise.

cp/
	* Make-lang.in: Remove tree-mudflap.o from CXX_AND_OBJCXX_OBJS.

From-SVN: r189080

1 files changed, 0 insertions, 676 deletions

diff --git a/gcc/c-tree.h b/gcc/c-tree.h
deleted file mode 100644
index 145df35..0000000
--- a/gcc/c-tree.h
+++ /dev/null
@@ -1,676 +0,0 @@
-/* Definitions for C parsing and type checking.
-   Copyright (C) 1987, 1993, 1994, 1995, 1997, 1998,
-   1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010, 2011
-   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/>.  */
-
-#ifndef GCC_C_TREE_H
-#define GCC_C_TREE_H
-
-#include "c-family/c-common.h"
-#include "diagnostic.h"
-
-/* struct lang_identifier is private to c-decl.c, but langhooks.c needs to
-   know how big it is.  This is sanity-checked in c-decl.c.  */
-#define C_SIZEOF_STRUCT_LANG_IDENTIFIER \
-  (sizeof (struct c_common_identifier) + 3 * sizeof (void *))
-
-/* In a RECORD_TYPE or UNION_TYPE, nonzero if any component is read-only.  */
-#define C_TYPE_FIELDS_READONLY(TYPE) TREE_LANG_FLAG_1 (TYPE)
-
-/* In a RECORD_TYPE or UNION_TYPE, nonzero if any component is volatile.  */
-#define C_TYPE_FIELDS_VOLATILE(TYPE) TREE_LANG_FLAG_2 (TYPE)
-
-/* In a RECORD_TYPE or UNION_TYPE or ENUMERAL_TYPE
-   nonzero if the definition of the type has already started.  */
-#define C_TYPE_BEING_DEFINED(TYPE) TYPE_LANG_FLAG_0 (TYPE)
-
-/* In an incomplete RECORD_TYPE or UNION_TYPE, a list of variable
-   declarations whose type would be completed by completing that type.  */
-#define C_TYPE_INCOMPLETE_VARS(TYPE) TYPE_VFIELD (TYPE)
-
-/* In an IDENTIFIER_NODE, nonzero if this identifier is actually a
-   keyword.  C_RID_CODE (node) is then the RID_* value of the keyword,
-   and C_RID_YYCODE is the token number wanted by Yacc.  */
-#define C_IS_RESERVED_WORD(ID) TREE_LANG_FLAG_0 (ID)
-
-/* Record whether a type or decl was written with nonconstant size.
-   Note that TYPE_SIZE may have simplified to a constant.  */
-#define C_TYPE_VARIABLE_SIZE(TYPE) TYPE_LANG_FLAG_1 (TYPE)
-#define C_DECL_VARIABLE_SIZE(TYPE) DECL_LANG_FLAG_0 (TYPE)
-
-/* Record whether a type is defined inside a struct or union type.
-   This is used for -Wc++-compat. */
-#define C_TYPE_DEFINED_IN_STRUCT(TYPE) TYPE_LANG_FLAG_2 (TYPE)
-
-/* Record whether a typedef for type `int' was actually `signed int'.  */
-#define C_TYPEDEF_EXPLICITLY_SIGNED(EXP) DECL_LANG_FLAG_1 (EXP)
-
-/* For a FUNCTION_DECL, nonzero if it was defined without an explicit
-   return type.  */
-#define C_FUNCTION_IMPLICIT_INT(EXP) DECL_LANG_FLAG_1 (EXP)
-
-/* For a FUNCTION_DECL, nonzero if it was an implicit declaration.  */
-#define C_DECL_IMPLICIT(EXP) DECL_LANG_FLAG_2 (EXP)
-
-/* For FUNCTION_DECLs, evaluates true if the decl is built-in but has
-   been declared.  */
-#define C_DECL_DECLARED_BUILTIN(EXP)		\
-  DECL_LANG_FLAG_3 (FUNCTION_DECL_CHECK (EXP))
-
-/* For FUNCTION_DECLs, evaluates true if the decl is built-in, has a
-   built-in prototype and does not have a non-built-in prototype.  */
-#define C_DECL_BUILTIN_PROTOTYPE(EXP)		\
-  DECL_LANG_FLAG_6 (FUNCTION_DECL_CHECK (EXP))
-
-/* Record whether a decl was declared register.  This is strictly a
-   front-end flag, whereas DECL_REGISTER is used for code generation;
-   they may differ for structures with volatile fields.  */
-#define C_DECL_REGISTER(EXP) DECL_LANG_FLAG_4 (EXP)
-
-/* Record whether a decl was used in an expression anywhere except an
-   unevaluated operand of sizeof / typeof / alignof.  This is only
-   used for functions declared static but not defined, though outside
-   sizeof and typeof it is set for other function decls as well.  */
-#define C_DECL_USED(EXP) DECL_LANG_FLAG_5 (FUNCTION_DECL_CHECK (EXP))
-
-/* Record whether a variable has been declared threadprivate by
-   #pragma omp threadprivate.  */
-#define C_DECL_THREADPRIVATE_P(DECL) DECL_LANG_FLAG_3 (VAR_DECL_CHECK (DECL))
-
-/* Nonzero for a decl which either doesn't exist or isn't a prototype.
-   N.B. Could be simplified if all built-in decls had complete prototypes
-   (but this is presently difficult because some of them need FILE*).  */
-#define C_DECL_ISNT_PROTOTYPE(EXP)			\
-       (EXP == 0					\
-	|| (!prototype_p (TREE_TYPE (EXP))	\
-	    && !DECL_BUILT_IN (EXP)))
-
-/* For FUNCTION_TYPE, a hidden list of types of arguments.  The same as
-   TYPE_ARG_TYPES for functions with prototypes, but created for functions
-   without prototypes.  */
-#define TYPE_ACTUAL_ARG_TYPES(NODE) TYPE_LANG_SLOT_1 (NODE)
-
-/* For a CONSTRUCTOR, whether some initializer contains a
-   subexpression meaning it is not a constant expression.  */
-#define CONSTRUCTOR_NON_CONST(EXPR) TREE_LANG_FLAG_1 (CONSTRUCTOR_CHECK (EXPR))
-
-/* Record parser information about an expression that is irrelevant
-   for code generation alongside a tree representing its value.  */
-struct c_expr
-{
-  /* The value of the expression.  */
-  tree value;
-  /* Record the original unary/binary operator of an expression, which may
-     have been changed by fold, STRING_CST for unparenthesized string
-     constants, C_MAYBE_CONST_EXPR for __builtin_constant_p calls
-     (even if parenthesized), for subexpressions, and for non-constant
-     initializers, or ERROR_MARK for other expressions (including
-     parenthesized expressions).  */
-  enum tree_code original_code;
-  /* If not NULL, the original type of an expression.  This will
-     differ from the type of the value field for an enum constant.
-     The type of an enum constant is a plain integer type, but this
-     field will be the enum type.  */
-  tree original_type;
-};
-
-/* Type alias for struct c_expr. This allows to use the structure
-   inside the VEC types.  */
-typedef struct c_expr c_expr_t;
-
-/* A varray of c_expr_t.  */
-DEF_VEC_O (c_expr_t);
-DEF_VEC_ALLOC_O (c_expr_t, gc);
-DEF_VEC_ALLOC_O (c_expr_t, heap);
-
-/* Append a new c_expr_t element to V.  */
-#define C_EXPR_APPEND(V, ELEM) \
-  do { \
-    c_expr_t *__elem_p = VEC_safe_push (c_expr_t, gc, V, NULL); \
-    *__elem_p = (ELEM); \
-  } while (0)
-
-/* A kind of type specifier.  Note that this information is currently
-   only used to distinguish tag definitions, tag references and typeof
-   uses.  */
-enum c_typespec_kind {
-  /* No typespec.  This appears only in struct c_declspec.  */
-  ctsk_none,
-  /* A reserved keyword type specifier.  */
-  ctsk_resword,
-  /* A reference to a tag, previously declared, such as "struct foo".
-     This includes where the previous declaration was as a different
-     kind of tag, in which case this is only valid if shadowing that
-     tag in an inner scope.  */
-  ctsk_tagref,
-  /* A reference to a tag, not previously declared in a visible
-     scope.  */
-  ctsk_tagfirstref,
-  /* A definition of a tag such as "struct foo { int a; }".  */
-  ctsk_tagdef,
-  /* A typedef name.  */
-  ctsk_typedef,
-  /* An ObjC-specific kind of type specifier.  */
-  ctsk_objc,
-  /* A typeof specifier.  */
-  ctsk_typeof
-};
-
-/* A type specifier: this structure is created in the parser and
-   passed to declspecs_add_type only.  */
-struct c_typespec {
-  /* What kind of type specifier this is.  */
-  enum c_typespec_kind kind;
-  /* Whether the expression has operands suitable for use in constant
-     expressions.  */
-  bool expr_const_operands;
-  /* The specifier itself.  */
-  tree spec;
-  /* An expression to be evaluated before the type specifier, in the
-     case of typeof specifiers, or NULL otherwise or if no such
-     expression is required for a particular typeof specifier.  In
-     particular, when typeof is applied to an expression of variably
-     modified type, that expression must be evaluated in order to
-     determine array sizes that form part of the type, but the
-     expression itself (as opposed to the array sizes) forms no part
-     of the type and so needs to be recorded separately.  */
-  tree expr;
-};
-
-/* A storage class specifier.  */
-enum c_storage_class {
-  csc_none,
-  csc_auto,
-  csc_extern,
-  csc_register,
-  csc_static,
-  csc_typedef
-};
-
-/* A type specifier keyword "void", "_Bool", "char", "int", "float",
-   "double", "_Decimal32", "_Decimal64", "_Decimal128", "_Fract", "_Accum",
-   or none of these.  */
-enum c_typespec_keyword {
-  cts_none,
-  cts_void,
-  cts_bool,
-  cts_char,
-  cts_int,
-  cts_float,
-  cts_int128,
-  cts_double,
-  cts_dfloat32,
-  cts_dfloat64,
-  cts_dfloat128,
-  cts_fract,
-  cts_accum
-};
-
-/* This enum lists all the possible declarator specifiers, storage
-   class or attribute that a user can write.  There is at least one
-   enumerator per possible declarator specifier in the struct
-   c_declspecs below.
-
-   It is used to index the array of declspec locations in struct
-   c_declspecs.  */
-enum c_declspec_word {
-  cdw_typespec /* A catch-all for a typespec.  */,
-  cdw_storage_class  /* A catch-all for a storage class */,
-  cdw_attributes,
-  cdw_typedef,
-  cdw_explicit_signed,
-  cdw_deprecated,
-  cdw_default_int,
-  cdw_long,
-  cdw_long_long,
-  cdw_short,
-  cdw_signed,
-  cdw_unsigned,
-  cdw_complex,
-  cdw_inline,
-  cdw_noreturn,
-  cdw_thread,
-  cdw_const,
-  cdw_volatile,
-  cdw_restrict,
-  cdw_saturating,
-  cdw_alignas,
-  cdw_address_space,
-  cdw_number_of_elements /* This one must always be the last
-			    enumerator.  */
-};
-
-/* A sequence of declaration specifiers in C.  When a new declaration
-   specifier is added, please update the enum c_declspec_word above
-   accordingly.  */
-struct c_declspecs {
-  source_location locations[cdw_number_of_elements];
-  /* The type specified, if a single type specifier such as a struct,
-     union or enum specifier, typedef name or typeof specifies the
-     whole type, or NULL_TREE if none or a keyword such as "void" or
-     "char" is used.  Does not include qualifiers.  */
-  tree type;
-  /* Any expression to be evaluated before the type, from a typeof
-     specifier.  */
-  tree expr;
-  /* The attributes from a typedef decl.  */
-  tree decl_attr;
-  /* When parsing, the attributes.  Outside the parser, this will be
-     NULL; attributes (possibly from multiple lists) will be passed
-     separately.  */
-  tree attrs;
-  /* The base-2 log of the greatest alignment required by an _Alignas
-     specifier, in bytes, or -1 if no such specifiers with nonzero
-     alignment.  */
-  int align_log;
-  /* The storage class specifier, or csc_none if none.  */
-  enum c_storage_class storage_class;
-  /* Any type specifier keyword used such as "int", not reflecting
-     modifiers such as "short", or cts_none if none.  */
-  ENUM_BITFIELD (c_typespec_keyword) typespec_word : 8;
-  /* The kind of type specifier if one has been seen, ctsk_none
-     otherwise.  */
-  ENUM_BITFIELD (c_typespec_kind) typespec_kind : 3;
-  /* Whether any expressions in typeof specifiers may appear in
-     constant expressions.  */
-  BOOL_BITFIELD expr_const_operands : 1;
-  /* Whether any declaration specifiers have been seen at all.  */
-  BOOL_BITFIELD declspecs_seen_p : 1;
-  /* Whether something other than a storage class specifier or
-     attribute has been seen.  This is used to warn for the
-     obsolescent usage of storage class specifiers other than at the
-     start of the list.  (Doing this properly would require function
-     specifiers to be handled separately from storage class
-     specifiers.)  */
-  BOOL_BITFIELD non_sc_seen_p : 1;
-  /* Whether the type is specified by a typedef or typeof name.  */
-  BOOL_BITFIELD typedef_p : 1;
-  /* Whether the type is explicitly "signed" or specified by a typedef
-     whose type is explicitly "signed".  */
-  BOOL_BITFIELD explicit_signed_p : 1;
-  /* Whether the specifiers include a deprecated typedef.  */
-  BOOL_BITFIELD deprecated_p : 1;
-  /* Whether the type defaulted to "int" because there were no type
-     specifiers.  */
-  BOOL_BITFIELD default_int_p : 1;
-  /* Whether "long" was specified.  */
-  BOOL_BITFIELD long_p : 1;
-  /* Whether "long" was specified more than once.  */
-  BOOL_BITFIELD long_long_p : 1;
-  /* Whether "short" was specified.  */
-  BOOL_BITFIELD short_p : 1;
-  /* Whether "signed" was specified.  */
-  BOOL_BITFIELD signed_p : 1;
-  /* Whether "unsigned" was specified.  */
-  BOOL_BITFIELD unsigned_p : 1;
-  /* Whether "complex" was specified.  */
-  BOOL_BITFIELD complex_p : 1;
-  /* Whether "inline" was specified.  */
-  BOOL_BITFIELD inline_p : 1;
-  /* Whether "_Noreturn" was speciied.  */
-  BOOL_BITFIELD noreturn_p : 1;
-  /* Whether "__thread" was specified.  */
-  BOOL_BITFIELD thread_p : 1;
-  /* Whether "const" was specified.  */
-  BOOL_BITFIELD const_p : 1;
-  /* Whether "volatile" was specified.  */
-  BOOL_BITFIELD volatile_p : 1;
-  /* Whether "restrict" was specified.  */
-  BOOL_BITFIELD restrict_p : 1;
-  /* Whether "_Sat" was specified.  */
-  BOOL_BITFIELD saturating_p : 1;
-  /* Whether any alignment specifier (even with zero alignment) was
-     specified.  */
-  BOOL_BITFIELD alignas_p : 1;
-  /* The address space that the declaration belongs to.  */
-  addr_space_t address_space;
-};
-
-/* The various kinds of declarators in C.  */
-enum c_declarator_kind {
-  /* An identifier.  */
-  cdk_id,
-  /* A function.  */
-  cdk_function,
-  /* An array.  */
-  cdk_array,
-  /* A pointer.  */
-  cdk_pointer,
-  /* Parenthesized declarator with nested attributes.  */
-  cdk_attrs
-};
-
-typedef struct c_arg_tag_d {
-  /* The argument name.  */
-  tree id;
-  /* The type of the argument.  */
-  tree type;
-} c_arg_tag;
-
-DEF_VEC_O(c_arg_tag);
-DEF_VEC_ALLOC_O(c_arg_tag,gc);
-
-/* Information about the parameters in a function declarator.  */
-struct c_arg_info {
-  /* A list of parameter decls.  */
-  tree parms;
-  /* A list of structure, union and enum tags defined.  */
-  VEC(c_arg_tag,gc) *tags;
-  /* A list of argument types to go in the FUNCTION_TYPE.  */
-  tree types;
-  /* A list of non-parameter decls (notably enumeration constants)
-     defined with the parameters.  */
-  tree others;
-  /* A compound expression of VLA sizes from the parameters, or NULL.
-     In a function definition, these are used to ensure that
-     side-effects in sizes of arrays converted to pointers (such as a
-     parameter int i[n++]) take place; otherwise, they are
-     ignored.  */
-  tree pending_sizes;
-  /* True when these arguments had [*].  */
-  BOOL_BITFIELD had_vla_unspec : 1;
-};
-
-/* A declarator.  */
-struct c_declarator {
-  /* The kind of declarator.  */
-  enum c_declarator_kind kind;
-  location_t id_loc; /* Currently only set for cdk_id, cdk_array. */
-  /* Except for cdk_id, the contained declarator.  For cdk_id, NULL.  */
-  struct c_declarator *declarator;
-  union {
-    /* For identifiers, an IDENTIFIER_NODE or NULL_TREE if an abstract
-       declarator.  */
-    tree id;
-    /* For functions.  */
-    struct c_arg_info *arg_info;
-    /* For arrays.  */
-    struct {
-      /* The array dimension, or NULL for [] and [*].  */
-      tree dimen;
-      /* The qualifiers inside [].  */
-      int quals;
-      /* The attributes (currently ignored) inside [].  */
-      tree attrs;
-      /* Whether [static] was used.  */
-      BOOL_BITFIELD static_p : 1;
-      /* Whether [*] was used.  */
-      BOOL_BITFIELD vla_unspec_p : 1;
-    } array;
-    /* For pointers, the qualifiers on the pointer type.  */
-    int pointer_quals;
-    /* For attributes.  */
-    tree attrs;
-  } u;
-};
-
-/* A type name.  */
-struct c_type_name {
-  /* The declaration specifiers.  */
-  struct c_declspecs *specs;
-  /* The declarator.  */
-  struct c_declarator *declarator;
-};
-
-/* A parameter.  */
-struct c_parm {
-  /* The declaration specifiers, minus any prefix attributes.  */
-  struct c_declspecs *specs;
-  /* The attributes.  */
-  tree attrs;
-  /* The declarator.  */
-  struct c_declarator *declarator;
-};
-
-/* Used when parsing an enum.  Initialized by start_enum.  */
-struct c_enum_contents
-{
-  /* While defining an enum type, this is 1 plus the last enumerator
-     constant value.  */
-  tree enum_next_value;
-
-  /* Nonzero means that there was overflow computing enum_next_value.  */
-  int enum_overflow;
-};
-
-/* A type of reference to a static identifier in an inline
-   function.  */
-enum c_inline_static_type {
-  /* Identifier with internal linkage used in function that may be an
-     inline definition (i.e., file-scope static).  */
-  csi_internal,
-  /* Modifiable object with static storage duration defined in
-     function that may be an inline definition (i.e., local
-     static).  */
-  csi_modifiable
-};
-
-
-/* in c-parser.c */
-extern void c_parse_init (void);
-
-/* in c-aux-info.c */
-extern void gen_aux_info_record (tree, int, int, int);
-
-/* in c-decl.c */
-struct c_spot_bindings;
-struct c_struct_parse_info;
-extern struct obstack parser_obstack;
-extern tree c_break_label;
-extern tree c_cont_label;
-
-extern bool global_bindings_p (void);
-extern void push_scope (void);
-extern tree pop_scope (void);
-extern void c_bindings_start_stmt_expr (struct c_spot_bindings *);
-extern void c_bindings_end_stmt_expr (struct c_spot_bindings *);
-
-extern void record_inline_static (location_t, tree, tree,
-				  enum c_inline_static_type);
-extern void c_init_decl_processing (void);
-extern void c_print_identifier (FILE *, tree, int);
-extern int quals_from_declspecs (const struct c_declspecs *);
-extern struct c_declarator *build_array_declarator (location_t, tree,
-    						    struct c_declspecs *,
-						    bool, bool);
-extern tree build_enumerator (location_t, location_t, struct c_enum_contents *,
-			      tree, tree);
-extern tree check_for_loop_decls (location_t, bool);
-extern void mark_forward_parm_decls (void);
-extern void declare_parm_level (void);
-extern void undeclared_variable (location_t, tree);
-extern tree lookup_label_for_goto (location_t, tree);
-extern tree declare_label (tree);
-extern tree define_label (location_t, tree);
-extern struct c_spot_bindings *c_get_switch_bindings (void);
-extern void c_release_switch_bindings (struct c_spot_bindings *);
-extern bool c_check_switch_jump_warnings (struct c_spot_bindings *,
-					  location_t, location_t);
-extern void finish_decl (tree, location_t, tree, tree, tree);
-extern tree finish_enum (tree, tree, tree);
-extern void finish_function (void);
-extern tree finish_struct (location_t, tree, tree, tree,
-			   struct c_struct_parse_info *);
-extern struct c_arg_info *build_arg_info (void);
-extern struct c_arg_info *get_parm_info (bool, tree);
-extern tree grokfield (location_t, struct c_declarator *,
-		       struct c_declspecs *, tree, tree *);
-extern tree groktypename (struct c_type_name *, tree *, bool *);
-extern tree grokparm (const struct c_parm *, tree *);
-extern tree implicitly_declare (location_t, tree);
-extern void keep_next_level (void);
-extern void pending_xref_error (void);
-extern void c_push_function_context (void);
-extern void c_pop_function_context (void);
-extern void push_parm_decl (const struct c_parm *, tree *);
-extern struct c_declarator *set_array_declarator_inner (struct c_declarator *,
-							struct c_declarator *);
-extern tree c_builtin_function (tree);
-extern tree c_builtin_function_ext_scope (tree);
-extern void shadow_tag (const struct c_declspecs *);
-extern void shadow_tag_warned (const struct c_declspecs *, int);
-extern tree start_enum (location_t, struct c_enum_contents *, tree);
-extern int  start_function (struct c_declspecs *, struct c_declarator *, tree);
-extern tree start_decl (struct c_declarator *, struct c_declspecs *, bool,
-			tree);
-extern tree start_struct (location_t, enum tree_code, tree,
-			  struct c_struct_parse_info **);
-extern void store_parm_decls (void);
-extern void store_parm_decls_from (struct c_arg_info *);
-extern tree xref_tag (enum tree_code, tree);
-extern struct c_typespec parser_xref_tag (location_t, enum tree_code, tree);
-extern struct c_parm *build_c_parm (struct c_declspecs *, tree,
-				    struct c_declarator *);
-extern struct c_declarator *build_attrs_declarator (tree,
-						    struct c_declarator *);
-extern struct c_declarator *build_function_declarator (struct c_arg_info *,
-						       struct c_declarator *);
-extern struct c_declarator *build_id_declarator (tree);
-extern struct c_declarator *make_pointer_declarator (struct c_declspecs *,
-						     struct c_declarator *);
-extern struct c_declspecs *build_null_declspecs (void);
-extern struct c_declspecs *declspecs_add_qual (source_location,
-					       struct c_declspecs *, tree);
-extern struct c_declspecs *declspecs_add_type (location_t,
-					       struct c_declspecs *,
-					       struct c_typespec);
-extern struct c_declspecs *declspecs_add_scspec (source_location,
-						 struct c_declspecs *, tree);
-extern struct c_declspecs *declspecs_add_attrs (source_location,
-						struct c_declspecs *, tree);
-extern struct c_declspecs *declspecs_add_addrspace (source_location,
-						    struct c_declspecs *,
-						    addr_space_t);
-extern struct c_declspecs *declspecs_add_alignas (source_location,
-						  struct c_declspecs *, tree);
-extern struct c_declspecs *finish_declspecs (struct c_declspecs *);
-
-/* in c-objc-common.c */
-extern bool c_objc_common_init (void);
-extern bool c_missing_noreturn_ok_p (tree);
-extern bool c_warn_unused_global_decl (const_tree);
-extern void c_initialize_diagnostics (diagnostic_context *);
-extern bool c_vla_unspec_p (tree x, tree fn);
-
-/* in c-typeck.c */
-extern int in_alignof;
-extern int in_sizeof;
-extern int in_typeof;
-
-extern struct c_switch *c_switch_stack;
-
-extern tree c_objc_common_truthvalue_conversion (location_t, tree);
-extern tree require_complete_type (tree);
-extern int same_translation_unit_p (const_tree, const_tree);
-extern int comptypes (tree, tree);
-extern int comptypes_check_different_types (tree, tree, bool *);
-extern bool c_vla_type_p (const_tree);
-extern bool c_mark_addressable (tree);
-extern void c_incomplete_type_error (const_tree, const_tree);
-extern tree c_type_promotes_to (tree);
-extern struct c_expr default_function_array_conversion (location_t,
-							struct c_expr);
-extern struct c_expr default_function_array_read_conversion (location_t,
-							     struct c_expr);
-extern void mark_exp_read (tree);
-extern tree composite_type (tree, tree);
-extern tree build_component_ref (location_t, tree, tree);
-extern tree build_array_ref (location_t, tree, tree);
-extern tree build_external_ref (location_t, tree, int, tree *);
-extern void pop_maybe_used (bool);
-extern struct c_expr c_expr_sizeof_expr (location_t, struct c_expr);
-extern struct c_expr c_expr_sizeof_type (location_t, struct c_type_name *);
-extern struct c_expr parser_build_unary_op (location_t, enum tree_code,
-    					    struct c_expr);
-extern struct c_expr parser_build_binary_op (location_t,
-    					     enum tree_code, struct c_expr,
-					     struct c_expr);
-extern tree build_conditional_expr (location_t, tree, bool, tree, tree,
-				    tree, tree);
-extern tree build_compound_expr (location_t, tree, tree);
-extern tree c_cast_expr (location_t, struct c_type_name *, tree);
-extern tree build_c_cast (location_t, tree, tree);
-extern void store_init_value (location_t, tree, tree, tree);
-extern void error_init (const char *);
-extern void pedwarn_init (location_t, int opt, const char *);
-extern void maybe_warn_string_init (tree, struct c_expr);
-extern void start_init (tree, tree, int);
-extern void finish_init (void);
-extern void really_start_incremental_init (tree);
-extern void push_init_level (int, struct obstack *);
-extern struct c_expr pop_init_level (int, struct obstack *);
-extern void set_init_index (tree, tree, struct obstack *);
-extern void set_init_label (tree, struct obstack *);
-extern void process_init_element (struct c_expr, bool, struct obstack *);
-extern tree build_compound_literal (location_t, tree, tree, bool);
-extern void check_compound_literal_type (location_t, struct c_type_name *);
-extern tree c_start_case (location_t, location_t, tree);
-extern void c_finish_case (tree);
-extern tree build_asm_expr (location_t, tree, tree, tree, tree, tree, bool);
-extern tree build_asm_stmt (tree, tree);
-extern int c_types_compatible_p (tree, tree);
-extern tree c_begin_compound_stmt (bool);
-extern tree c_end_compound_stmt (location_t, tree, bool);
-extern void c_finish_if_stmt (location_t, tree, tree, tree, bool);
-extern void c_finish_loop (location_t, tree, tree, tree, tree, tree, bool);
-extern tree c_begin_stmt_expr (void);
-extern tree c_finish_stmt_expr (location_t, tree);
-extern tree c_process_expr_stmt (location_t, tree);
-extern tree c_finish_expr_stmt (location_t, tree);
-extern tree c_finish_return (location_t, tree, tree);
-extern tree c_finish_bc_stmt (location_t, tree *, bool);
-extern tree c_finish_goto_label (location_t, tree);
-extern tree c_finish_goto_ptr (location_t, tree);
-extern tree c_expr_to_decl (tree, bool *, bool *);
-extern tree c_begin_omp_parallel (void);
-extern tree c_finish_omp_parallel (location_t, tree, tree);
-extern tree c_begin_omp_task (void);
-extern tree c_finish_omp_task (location_t, tree, tree);
-extern tree c_finish_omp_clauses (tree);
-extern tree c_build_va_arg (location_t, tree, tree);
-extern tree c_finish_transaction (location_t, tree, int);
-
-/* Set to 0 at beginning of a function definition, set to 1 if
-   a return statement that specifies a return value is seen.  */
-
-extern int current_function_returns_value;
-
-/* Set to 0 at beginning of a function definition, set to 1 if
-   a return statement with no argument is seen.  */
-
-extern int current_function_returns_null;
-
-/* Set to 0 at beginning of a function definition, set to 1 if
-   a call to a noreturn function is seen.  */
-
-extern int current_function_returns_abnormally;
-
-/* Mode used to build pointers (VOIDmode means ptr_mode).  */
-
-extern enum machine_mode c_default_pointer_mode;
-
-/* In c-decl.c */
-extern void c_finish_incomplete_decl (tree);
-extern void c_write_global_declarations (void);
-
-/* In c-errors.c */
-extern void pedwarn_c90 (location_t, int opt, const char *, ...) ATTRIBUTE_GCC_DIAG(3,4);
-extern void pedwarn_c99 (location_t, int opt, const char *, ...) ATTRIBUTE_GCC_DIAG(3,4);
-
-#endif /* ! GCC_C_TREE_H */