coretypes.h (cpp_reader): Forward declare struct.

        * coretypes.h (cpp_reader): Forward declare struct.
        * c-pragma.h (cpp_reader): Remove forward declaration.
        * hashtable.h (cpp_reader): Likewise.
        * scan.h (cpp_reader): Likewise.
        * tree.h (cpp_reader): Likewise.
        * config/darwin-protos.h (cpp_reader): Likewise.
        * config/arm/arm-protos.h (cpp_reader): Likewise.
        * config/rs6000/rs6000-protos.h: Remove GCC_CPPLIB_H ifdef, use
        struct cpp_reader in prototypes.

From-SVN: r62050

gcc/ChangeLog

+2003-01-28  Stan Shebs  <shebs@apple.com>
+
+	* coretypes.h (cpp_reader): Forward declare struct.
+	* c-pragma.h (cpp_reader): Remove forward declaration.
+	* hashtable.h (cpp_reader): Likewise.
+	* scan.h (cpp_reader): Likewise.
+	* tree.h (cpp_reader): Likewise.
+	* config/darwin-protos.h (cpp_reader): Likewise.
+	* config/arm/arm-protos.h (cpp_reader): Likewise.
+	* config/rs6000/rs6000-protos.h: Remove GCC_CPPLIB_H ifdef, use
+	struct cpp_reader in prototypes.
+
 2003-01-28  Christian Cornelssen  <ccorn@cs.tu-berlin.de>
 
 	* doc/install.texi: Add documentation for installation into

gcc/c-pragma.h

@@ -26,7 +26,6 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 #define YYDEBUG 1
 extern int yydebug;
 
-struct cpp_reader;
 extern struct cpp_reader* parse_in;
 
 #ifdef HANDLE_SYSV_PRAGMA

gcc/config/arm/arm-protos.h

@@ -214,7 +214,6 @@ extern rtx arm_expand_builtin		PARAMS ((tree, rtx, rtx,
 					       enum machine_mode, int));
 #endif
 
-struct cpp_reader;
 extern void arm_pr_long_calls		PARAMS ((struct cpp_reader *));
 extern void arm_pr_no_long_calls	PARAMS ((struct cpp_reader *));
 extern void arm_pr_long_calls_off	PARAMS ((struct cpp_reader *));

gcc/config/darwin-protos.h

@@ -74,7 +74,6 @@ extern void machopic_select_section PARAMS ((tree, int,
 extern void machopic_select_rtx_section PARAMS ((enum machine_mode, rtx,
 						 unsigned HOST_WIDE_INT));
 
-struct cpp_reader;
 extern void darwin_pragma_ignore PARAMS ((struct cpp_reader *));
 extern void darwin_pragma_options PARAMS ((struct cpp_reader *));
 extern void darwin_pragma_unused PARAMS ((struct cpp_reader *));

gcc/config/rs6000/rs6000-protos.h

@@ -196,9 +196,7 @@ extern int rs6000_memory_move_cost PARAMS ((enum machine_mode,
 
 /* Declare functions in rs6000-c.c */
 
-#ifdef GCC_CPPLIB_H
-extern void rs6000_pragma_longcall PARAMS ((cpp_reader *));
-extern void rs6000_cpu_cpp_builtins PARAMS ((cpp_reader *));
-#endif
+extern void rs6000_pragma_longcall PARAMS ((struct cpp_reader *));
+extern void rs6000_cpu_cpp_builtins PARAMS ((struct cpp_reader *));
 
 #endif  /* rs6000-protos.h */

gcc/coretypes.h

@@ -44,6 +44,12 @@ typedef struct rtvec_def *rtvec;
 union tree_node;
 typedef union tree_node *tree;
 
+/* Provide forward struct declaration so that we don't have to include
+   all of cpplib.h whenever a random prototype includes a pointer.
+   Note that the cpp_reader typedef remains part of cpplib.h.  */
+
+struct cpp_reader;
+
 #else
 
 struct _dont_use_rtx_here_;

gcc/hashtable.h

@@ -32,11 +32,6 @@ struct ht_identifier GTY(())
 #define HT_LEN(NODE) ((NODE)->len)
 #define HT_STR(NODE) ((NODE)->str)
 
-/* We want code outside cpplib, such as the compiler front-ends, to be
-   able to include this header, and to be able to link with
-   cpphashtbl.o without pulling in any other parts of cpplib.  */
-
-struct cpp_reader;
 typedef struct ht hash_table;
 typedef struct ht_identifier *hashnode;
 

gcc/scan.h

@@ -65,7 +65,6 @@ extern void recognized_function _PARAMS((const struct cpp_token *,
 extern void recognized_extern _PARAMS((const struct cpp_token *));
 extern unsigned int hashstr _PARAMS((const char *, unsigned int));
 
-struct cpp_reader;
 extern int scan_decls _PARAMS((struct cpp_reader *, int, char **));
 
 /* get_token is a simple C lexer.  */

gcc/tree.h

@@ -2374,7 +2374,6 @@ enum attribute_flags
 
 extern tree merge_decl_attributes PARAMS ((tree, tree));
 extern tree merge_type_attributes PARAMS ((tree, tree));
-struct cpp_reader;
 extern void default_register_cpp_builtins PARAMS ((struct cpp_reader *));
 
 /* Split a list of declspecs and attributes into two.  */