- specifiers. */
-extern void warning PARAMS ((const char *, ...));
-extern void error PARAMS ((const char *, ...));
-extern void fatal_error PARAMS ((const char *, ...))
- ATTRIBUTE_NORETURN;
-extern void pedwarn PARAMS ((const char *, ...));
-extern void sorry PARAMS ((const char *, ...));
-
-extern void rest_of_decl_compilation PARAMS ((union tree_node *,
- const char *, int, int));
-extern void rest_of_type_compilation PARAMS ((union tree_node *, int));
-extern void rest_of_compilation PARAMS ((union tree_node *));
-
-extern void pedwarn_with_decl PARAMS ((union tree_node *,
- const char *, ...));
-extern void warning_with_decl PARAMS ((union tree_node *,
- const char *, ...));
-extern void error_with_decl PARAMS ((union tree_node *,
- const char *, ...));
-
-extern void announce_function PARAMS ((union tree_node *));
-
-extern void error_for_asm PARAMS ((struct rtx_def *,
- const char *, ...));
-extern void warning_for_asm PARAMS ((struct rtx_def *,
- const char *, ...));
-extern void warn_deprecated_use PARAMS ((union tree_node *));
-
-extern void output_clean_symbol_name PARAMS ((FILE *, const char *));
+ specifiers. We must use custom format checks. */
+#if (ENABLE_CHECKING && GCC_VERSION >= 4001) || GCC_VERSION == BUILDING_GCC_VERSION
+#define ATTRIBUTE_GCC_DIAG(m, n) __attribute__ ((__format__ (GCC_DIAG_STYLE, m, n))) ATTRIBUTE_NONNULL(m)
+#else
+#define ATTRIBUTE_GCC_DIAG(m, n) ATTRIBUTE_NONNULL(m)
+#endif
+extern void internal_error (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2)
+ ATTRIBUTE_NORETURN;
+/* Pass one of the OPT_W* from options.h as the first parameter. */
+extern bool warning (int, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
+extern bool warning_at (location_t, int, const char *, ...)
+ ATTRIBUTE_GCC_DIAG(3,4);
+extern void error (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
+extern void error_n (location_t, int, const char *, const char *, ...)
+ ATTRIBUTE_GCC_DIAG(3,5) ATTRIBUTE_GCC_DIAG(4,5);
+extern void error_at (location_t, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
+extern void fatal_error (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2)
+ ATTRIBUTE_NORETURN;
+/* Pass one of the OPT_W* from options.h as the second parameter. */
+extern bool pedwarn (location_t, int, const char *, ...)
+ ATTRIBUTE_GCC_DIAG(3,4);
+extern bool permerror (location_t, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
+extern void sorry (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
+extern void inform (location_t, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
+extern void inform_n (location_t, int, const char *, const char *, ...)
+ ATTRIBUTE_GCC_DIAG(3,5) ATTRIBUTE_GCC_DIAG(4,5);
+extern void verbatim (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
+
+extern void rest_of_decl_compilation (tree, int, int);
+extern void rest_of_type_compilation (tree, int);
+extern void tree_rest_of_compilation (tree);
+extern void init_optimization_passes (void);
+extern void finish_optimization_passes (void);
+extern bool enable_rtl_dump_file (void);
+
+extern void announce_function (tree);
+
+extern void error_for_asm (const_rtx, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
+extern void warning_for_asm (const_rtx, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
+extern void warn_deprecated_use (tree, tree);
+extern bool parse_optimize_options (tree, bool);
+