-extern void dwarf2out_define PARAMS ((unsigned, const char *));
-extern void dwarf2out_undef PARAMS ((unsigned, const char *));
-extern void dwarf2out_start_source_file PARAMS ((const char *));
-extern void dwarf2out_end_source_file PARAMS ((void));
-
-extern void dwarf2out_begin_block PARAMS ((unsigned));
-extern void dwarf2out_end_block PARAMS ((unsigned));
-extern int dwarf2out_ignore_block PARAMS ((tree));
-extern void dwarf2out_label PARAMS ((rtx));
-extern void dwarf2out_decl PARAMS ((tree));
-extern void dwarf2out_line PARAMS ((const char *, unsigned));
-extern void dwarf2out_frame_init PARAMS ((void));
-extern void dwarf2out_frame_debug PARAMS ((rtx));
-extern void dwarf2out_frame_finish PARAMS ((void));
-
-extern void debug_dwarf PARAMS ((void));