From da3331ec167849ef6216f35565ba014bbae55ee3 Mon Sep 17 00:00:00 2001
From: Andrew Cagney <cagney@redhat.com>
Date: Sat, 12 Apr 2003 17:41:26 +0000
Subject: [PATCH] 2003-04-12  Andrew Cagney  <cagney@redhat.com>

	* gdbarch.sh: Add missing opaque declarations.
	* gdbarch.h: Regnerate.
	* symtab.h: Add missing opaque declarations.
	* value.h, target.h, symfile.h, stabsread.h: Ditto.
	* x86-64-tdep.h, xmodem.h, monitor.h, typeprint.h: Ditto.
	* srec.h, solib-svr4.h, source.h, inferior.h: Ditto.
	* ser-unix.h, serial.h, remote-utils.h, gdbcore.h: Ditto.
	* ppc-tdep.h, ocd.h, mips-tdep.h, gdbtypes.h: Ditto.
	* buildsym.h, builtin-regs.h, linespec.h, language.h: Ditto.
	* i387-tdep.h, gdbthread.h, event-top.h, gdb.h: Ditto.
	* dwarf2cfi.h, doublest.h, disasm.h, cp-abi.h: Ditto.
	* cli-out.h, c-lang.h, ax-gdb.h, arch-utils.h: Ditto.
	* ada-lang.h, config/nm-lynx.h, config/nm-linux.h: Ditto.
	* config/sparc/tm-sp64.h, config/rs6000/tm-rs6000.h: Ditto.
	* config/pa/tm-hppah.h, config/m68k/tm-delta68.h: Ditto.
	* cli/cli-setshow.h, cli/cli-script.h: Ditto.
---
 gdb/ChangeLog                 | 19 +++++++++++++++++++
 gdb/ada-lang.h                |  2 ++
 gdb/arch-utils.h              |  6 ++++++
 gdb/ax-gdb.h                  |  3 ++-
 gdb/buildsym.h                |  3 +++
 gdb/builtin-regs.h            |  2 ++
 gdb/c-lang.h                  |  2 ++
 gdb/cli-out.h                 |  2 ++
 gdb/cli/cli-script.h          |  4 ++++
 gdb/cli/cli-setshow.h         |  2 ++
 gdb/config/m68k/tm-delta68.h  |  2 ++
 gdb/config/nm-linux.h         |  2 ++
 gdb/config/nm-lynx.h          |  2 ++
 gdb/config/pa/tm-hppah.h      |  2 ++
 gdb/config/rs6000/tm-rs6000.h |  2 ++
 gdb/config/sparc/tm-sp64.h    |  2 ++
 gdb/cp-abi.h                  |  2 ++
 gdb/disasm.h                  |  2 ++
 gdb/doublest.h                |  2 ++
 gdb/dwarf2cfi.h               |  2 ++
 gdb/event-top.h               |  2 ++
 gdb/gdb.h                     |  2 ++
 gdb/gdbarch.h                 |  2 ++
 gdb/gdbarch.sh                |  2 ++
 gdb/gdbcore.h                 |  2 ++
 gdb/gdbthread.h               |  4 ++++
 gdb/gdbtypes.h                |  1 +
 gdb/i386-tdep.h               |  4 ++++
 gdb/i387-tdep.h               |  4 ++++
 gdb/inferior.h                |  4 ++++
 gdb/language.h                |  2 ++
 gdb/linespec.h                |  2 ++
 gdb/mips-tdep.h               |  2 ++
 gdb/monitor.h                 |  1 +
 gdb/ocd.h                     |  3 +++
 gdb/ppc-tdep.h                |  1 +
 gdb/remote-utils.h            |  2 ++
 gdb/ser-unix.h                |  3 +++
 gdb/serial.h                  |  2 ++
 gdb/solib-svr4.h              |  2 ++
 gdb/source.h                  |  2 ++
 gdb/srec.h                    |  2 ++
 gdb/stabsread.h               |  2 ++
 gdb/symfile.h                 |  2 +-
 gdb/symtab.h                  |  4 +++-
 gdb/target.h                  |  4 ++++
 gdb/typeprint.h               |  2 ++
 gdb/value.h                   |  4 ++++
 gdb/x86-64-tdep.h             |  3 +++
 gdb/xmodem.h                  |  2 ++
 50 files changed, 136 insertions(+), 3 deletions(-)

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 3241d65f2a2..ea885386584 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,22 @@
+2003-04-12  Andrew Cagney  <cagney@redhat.com>
+
+	* gdbarch.sh: Add missing opaque declarations.
+	* gdbarch.h: Regnerate.
+	* symtab.h: Add missing opaque declarations.
+	* value.h, target.h, symfile.h, stabsread.h: Ditto.
+	* x86-64-tdep.h, xmodem.h, monitor.h, typeprint.h: Ditto.
+	* srec.h, solib-svr4.h, source.h, inferior.h: Ditto.
+	* ser-unix.h, serial.h, remote-utils.h, gdbcore.h: Ditto.
+	* ppc-tdep.h, ocd.h, mips-tdep.h, gdbtypes.h: Ditto.
+	* buildsym.h, builtin-regs.h, linespec.h, language.h: Ditto.
+	* i387-tdep.h, gdbthread.h, event-top.h, gdb.h: Ditto.
+	* dwarf2cfi.h, doublest.h, disasm.h, cp-abi.h: Ditto.
+	* cli-out.h, c-lang.h, ax-gdb.h, arch-utils.h: Ditto.
+	* ada-lang.h, config/nm-lynx.h, config/nm-linux.h: Ditto.
+	* config/sparc/tm-sp64.h, config/rs6000/tm-rs6000.h: Ditto.
+	* config/pa/tm-hppah.h, config/m68k/tm-delta68.h: Ditto.
+	* cli/cli-setshow.h, cli/cli-script.h: Ditto.
+
 2003-04-11  Andrew Cagney  <cagney@redhat.com>
 
 	* frame.c (get_frame_id): Return this frame's "id".
diff --git a/gdb/ada-lang.h b/gdb/ada-lang.h
index 45c156a1210..3f00b9ac313 100644
--- a/gdb/ada-lang.h
+++ b/gdb/ada-lang.h
@@ -20,6 +20,8 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #if !defined (ADA_LANG_H)
 #define ADA_LANG_H 1
 
+struct partial_symbol;
+
 #include "value.h"
 #include "gdbtypes.h"
 
diff --git a/gdb/arch-utils.h b/gdb/arch-utils.h
index 3452fc81350..f3874a0c250 100644
--- a/gdb/arch-utils.h
+++ b/gdb/arch-utils.h
@@ -22,6 +22,12 @@
 #ifndef GDBARCH_UTILS_H
 #define GDBARCH_UTILS_H
 
+struct gdbarch;
+struct frame_info;
+struct minimal_symbol;
+struct type;
+struct gdbarch_info;
+
 /* gdbarch trace variable */
 extern int gdbarch_debug;
 
diff --git a/gdb/ax-gdb.h b/gdb/ax-gdb.h
index 3e1006a3112..b0913840306 100644
--- a/gdb/ax-gdb.h
+++ b/gdb/ax-gdb.h
@@ -20,7 +20,8 @@
 
 #ifndef AX_GDB_H
 #define AX_GDB_H
-
+
+struct expression;
 
 /* Types and enums */
 
diff --git a/gdb/buildsym.h b/gdb/buildsym.h
index 6987742b031..e80d8c6743e 100644
--- a/gdb/buildsym.h
+++ b/gdb/buildsym.h
@@ -22,6 +22,9 @@
 #if !defined (BUILDSYM_H)
 #define BUILDSYM_H 1
 
+struct objfile;
+struct symbol;
+
 /* This module provides definitions used for creating and adding to
    the symbol table.  These routines are called from various symbol-
    file-reading routines.
diff --git a/gdb/builtin-regs.h b/gdb/builtin-regs.h
index fb9fbcf8f8e..631903ab9fb 100644
--- a/gdb/builtin-regs.h
+++ b/gdb/builtin-regs.h
@@ -24,6 +24,8 @@
 #ifndef BUILTIN_REGS_H
 #define BUILTIN_REGS_H
 
+struct frame_info;
+
 extern int builtin_reg_map_name_to_regnum (const char *str, int len);
 
 extern const char *builtin_reg_map_regnum_to_name (int regnum);
diff --git a/gdb/c-lang.h b/gdb/c-lang.h
index 7d7cd03a557..dd8f2311702 100644
--- a/gdb/c-lang.h
+++ b/gdb/c-lang.h
@@ -23,6 +23,8 @@
 #if !defined (C_LANG_H)
 #define C_LANG_H 1
 
+struct ui_file;
+
 #include "value.h"
 #include "macroexp.h"
 
diff --git a/gdb/cli-out.h b/gdb/cli-out.h
index a984d058390..8bca872fb05 100644
--- a/gdb/cli-out.h
+++ b/gdb/cli-out.h
@@ -22,6 +22,8 @@
 #ifndef CLI_OUT_H
 #define CLI_OUT_H
 
+struct ui_file;
+
 extern struct ui_out *cli_out_new (struct ui_file *stream);
 
 extern struct ui_file *cli_out_set_stream (struct ui_out *uiout,
diff --git a/gdb/cli/cli-script.h b/gdb/cli/cli-script.h
index 898e3cc04f8..03cb84137e5 100644
--- a/gdb/cli/cli-script.h
+++ b/gdb/cli/cli-script.h
@@ -19,6 +19,10 @@
 #if !defined (CLI_SCRIPT_H)
 #define CLI_SCRIPT_H 1
 
+struct ui_file;
+struct command_line;
+struct cmd_list_element;
+
 /* Exported to cli/cli-cmds.c */
 
 extern void script_from_file (FILE *stream, char *file);
diff --git a/gdb/cli/cli-setshow.h b/gdb/cli/cli-setshow.h
index 393612a8177..470b8b754c6 100644
--- a/gdb/cli/cli-setshow.h
+++ b/gdb/cli/cli-setshow.h
@@ -19,6 +19,8 @@
 #if !defined (CLI_SETSHOW_H)
 #define CLI_SETSHOW_H 1
 
+struct cmd_list_element;
+
 /* Exported to cli/cli-cmds.c and gdb/top.c */
 
 /* Do a "set" or "show" command.  ARG is NULL if no argument, or the text
diff --git a/gdb/config/m68k/tm-delta68.h b/gdb/config/m68k/tm-delta68.h
index c54f9a7dd9e..03172b0dd75 100644
--- a/gdb/config/m68k/tm-delta68.h
+++ b/gdb/config/m68k/tm-delta68.h
@@ -18,6 +18,8 @@
    Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
+struct frame_info;
+
 #include "regcache.h"
 
 /* Define BPT_VECTOR if it is different than the default.
diff --git a/gdb/config/nm-linux.h b/gdb/config/nm-linux.h
index 114acd8b67c..0fb56271473 100644
--- a/gdb/config/nm-linux.h
+++ b/gdb/config/nm-linux.h
@@ -19,6 +19,8 @@
    Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
+struct target_ops;
+
 /* GNU/Linux is SVR4-ish but its /proc file system isn't.  */
 #undef USE_PROC_FS
 
diff --git a/gdb/config/nm-lynx.h b/gdb/config/nm-lynx.h
index 1fb0eb61a16..4a55a13c960 100644
--- a/gdb/config/nm-lynx.h
+++ b/gdb/config/nm-lynx.h
@@ -23,6 +23,8 @@
 #ifndef NM_LYNX_H
 #define NM_LYNX_H
 
+struct target_waitstatus;
+
 #include <sys/conf.h>
 #include <sys/kernel.h>
 /* sys/kernel.h should define this, but doesn't always, sigh. */
diff --git a/gdb/config/pa/tm-hppah.h b/gdb/config/pa/tm-hppah.h
index 5a457a9db3a..070c83ce514 100644
--- a/gdb/config/pa/tm-hppah.h
+++ b/gdb/config/pa/tm-hppah.h
@@ -21,6 +21,8 @@
    Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
+struct frame_info;
+
 /* The solib hooks are not really designed to have a list of hook
    and handler routines.  So until we clean up those interfaces you
    either get SOM shared libraries or HP's unusual PA64 ELF shared
diff --git a/gdb/config/rs6000/tm-rs6000.h b/gdb/config/rs6000/tm-rs6000.h
index 2a80a502261..c73658922bd 100644
--- a/gdb/config/rs6000/tm-rs6000.h
+++ b/gdb/config/rs6000/tm-rs6000.h
@@ -21,6 +21,8 @@
    Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
+struct frame_info;
+
 #define GDB_MULTI_ARCH 1
 
 /* Minimum possible text address in AIX */
diff --git a/gdb/config/sparc/tm-sp64.h b/gdb/config/sparc/tm-sp64.h
index a415b8324e4..2d2193d207f 100644
--- a/gdb/config/sparc/tm-sp64.h
+++ b/gdb/config/sparc/tm-sp64.h
@@ -23,6 +23,8 @@
    Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
+struct type;
+
 #define GDB_MULTI_ARCH GDB_MULTI_ARCH_PARTIAL
 
 #ifndef GDB_TARGET_IS_SPARC64
diff --git a/gdb/cp-abi.h b/gdb/cp-abi.h
index e1195148408..0413abafc4e 100644
--- a/gdb/cp-abi.h
+++ b/gdb/cp-abi.h
@@ -25,6 +25,8 @@
 #ifndef CP_ABI_H_
 #define CP_ABI_H_ 1
 
+struct fn_field;
+struct type;
 struct value;
 
 /* The functions here that attempt to determine what sort of thing a
diff --git a/gdb/disasm.h b/gdb/disasm.h
index beaaf4aaa3d..6a6df7e0b57 100644
--- a/gdb/disasm.h
+++ b/gdb/disasm.h
@@ -21,6 +21,8 @@
 #ifndef DISASM_H
 #define DISASM_H
 
+struct ui_out;
+
 extern void gdb_disassembly (struct ui_out *uiout,
 			     char *file_string,
 			     int line_num,
diff --git a/gdb/doublest.h b/gdb/doublest.h
index d98d045c987..668efa71cf3 100644
--- a/gdb/doublest.h
+++ b/gdb/doublest.h
@@ -24,6 +24,8 @@
 #ifndef DOUBLEST_H
 #define DOUBLEST_H
 
+struct type;
+
 /* Setup definitions for host and target floating point formats.  We need to
    consider the format for `float', `double', and `long double' for both target
    and host.  We need to do this so that we know what kind of conversions need
diff --git a/gdb/dwarf2cfi.h b/gdb/dwarf2cfi.h
index 2c8be97ddca..28a329d2349 100644
--- a/gdb/dwarf2cfi.h
+++ b/gdb/dwarf2cfi.h
@@ -22,6 +22,8 @@
 #ifndef DWARF2CFI_H
 #define DWARF2CFI_H
 
+struct frame_info;
+
 struct context_reg
 {
   union
diff --git a/gdb/event-top.h b/gdb/event-top.h
index 4c06083db24..7e48a6ca190 100644
--- a/gdb/event-top.h
+++ b/gdb/event-top.h
@@ -24,6 +24,8 @@
 #ifndef EVENT_TOP_H
 #define EVENT_TOP_H
 
+struct cmd_list_element;
+
 /* Stack for prompts.  Each prompt is composed as a prefix, a prompt
    and a suffix.  The prompt to be displayed at any given time is the
    one on top of the stack.  A stack is necessary because of cases in
diff --git a/gdb/gdb.h b/gdb/gdb.h
index 737ac82edfe..6a2eaa0ca12 100644
--- a/gdb/gdb.h
+++ b/gdb/gdb.h
@@ -22,6 +22,8 @@
 #ifndef GDB_H
 #define GDB_H
 
+struct ui_out;
+
 /* Return-code (RC) from a gdb library call.  (The abreviation RC is
    taken from the sim/common directory.) */
 
diff --git a/gdb/gdbarch.h b/gdb/gdbarch.h
index e055dab0312..7b2641b4c1e 100644
--- a/gdb/gdbarch.h
+++ b/gdb/gdbarch.h
@@ -42,6 +42,8 @@
 #include "symfile.h"		/* For entry_point_address().  */
 #endif
 
+struct floatformat;
+struct ui_file;
 struct frame_info;
 struct value;
 struct objfile;
diff --git a/gdb/gdbarch.sh b/gdb/gdbarch.sh
index 0d2ca73e186..7a17b63c3d9 100755
--- a/gdb/gdbarch.sh
+++ b/gdb/gdbarch.sh
@@ -807,6 +807,8 @@ cat <<EOF
 #include "symfile.h"		/* For entry_point_address().  */
 #endif
 
+struct floatformat;
+struct ui_file;
 struct frame_info;
 struct value;
 struct objfile;
diff --git a/gdb/gdbcore.h b/gdb/gdbcore.h
index e359b3dabbb..e03ebf47fa7 100644
--- a/gdb/gdbcore.h
+++ b/gdb/gdbcore.h
@@ -24,6 +24,8 @@
 #if !defined (GDBCORE_H)
 #define GDBCORE_H 1
 
+struct type;
+
 #include "bfd.h"
 
 /* Return the name of the executable file as a string.
diff --git a/gdb/gdbthread.h b/gdb/gdbthread.h
index e3df58bbcf5..aad98145c22 100644
--- a/gdb/gdbthread.h
+++ b/gdb/gdbthread.h
@@ -25,6 +25,10 @@
 #ifndef GDBTHREAD_H
 #define GDBTHREAD_H
 
+struct breakpoint;
+struct frame_id;
+struct symtab;
+
 /* For bpstat */
 #include "breakpoint.h"
 
diff --git a/gdb/gdbtypes.h b/gdb/gdbtypes.h
index 10466973f7e..2d2561e40ae 100644
--- a/gdb/gdbtypes.h
+++ b/gdb/gdbtypes.h
@@ -26,6 +26,7 @@
 #define GDBTYPES_H 1
 
 /* Forward declarations for prototypes.  */
+struct field;
 struct block;
 
 /* Codes for `fundamental types'.  This is a monstrosity based on the
diff --git a/gdb/i386-tdep.h b/gdb/i386-tdep.h
index 25bf6b38ab6..1e0b40506a8 100644
--- a/gdb/i386-tdep.h
+++ b/gdb/i386-tdep.h
@@ -22,6 +22,10 @@
 #ifndef I386_TDEP_H
 #define I386_TDEP_H
 
+struct reggroup;
+struct gdbarch;
+struct frame_info;
+
 /* GDB's i386 target supports both the 32-bit Intel Architecture
    (IA-32) and the 64-bit AMD x86-64 architecture.  Internally it uses
    a similar register layout for both.
diff --git a/gdb/i387-tdep.h b/gdb/i387-tdep.h
index e29b19834d5..707931016b2 100644
--- a/gdb/i387-tdep.h
+++ b/gdb/i387-tdep.h
@@ -21,6 +21,10 @@
 #ifndef I387_TDEP_H
 #define I387_TDEP_H
 
+struct gdbarch;
+struct ui_file;
+struct frame_info;
+
 /* Print out the i387 floating point state.  */
 
 extern void i387_print_float_info (struct gdbarch *gdbarch,
diff --git a/gdb/inferior.h b/gdb/inferior.h
index db0f4d98bea..62034492915 100644
--- a/gdb/inferior.h
+++ b/gdb/inferior.h
@@ -24,6 +24,10 @@
 #if !defined (INFERIOR_H)
 #define INFERIOR_H 1
 
+struct target_waitstatus;
+struct frame_info;
+struct ui_file;
+struct type;
 struct gdbarch;
 struct regcache;
 
diff --git a/gdb/language.h b/gdb/language.h
index d9265324cdd..f55c9f0a2f9 100644
--- a/gdb/language.h
+++ b/gdb/language.h
@@ -30,6 +30,8 @@
 struct value;
 struct objfile;
 struct expression;
+struct ui_file;
+
 /* enum exp_opcode;     ANSI's `wisdom' didn't include forward enum decls. */
 
 /* This used to be included to configure GDB for one or more specific
diff --git a/gdb/linespec.h b/gdb/linespec.h
index 7c3f90ca268..3ede4bd96ac 100644
--- a/gdb/linespec.h
+++ b/gdb/linespec.h
@@ -19,6 +19,8 @@
 #if !defined (LINESPEC_H)
 #define LINESPEC_H 1
 
+struct symtab;
+
 extern struct symtabs_and_lines
 	decode_line_1 (char **argptr, int funfirstline,
 		       struct symtab *default_symtab, int default_line,
diff --git a/gdb/mips-tdep.h b/gdb/mips-tdep.h
index 92202e2d7b5..8e19bcdf266 100644
--- a/gdb/mips-tdep.h
+++ b/gdb/mips-tdep.h
@@ -22,6 +22,8 @@
 #ifndef MIPS_TDEP_H
 #define MIPS_TDEP_H
 
+struct gdbarch;
+
 /* All the possible MIPS ABIs. */
 enum mips_abi
   {
diff --git a/gdb/monitor.h b/gdb/monitor.h
index 7b87f95b394..9141450d6ac 100644
--- a/gdb/monitor.h
+++ b/gdb/monitor.h
@@ -24,6 +24,7 @@
 #ifndef MONITOR_H
 #define MONITOR_H
 
+struct target_waitstatus;
 struct serial;
 
 /* This structure describes the strings necessary to give small command
diff --git a/gdb/ocd.h b/gdb/ocd.h
index 5fa1fb95235..64d695a00c5 100644
--- a/gdb/ocd.h
+++ b/gdb/ocd.h
@@ -21,6 +21,9 @@
 #ifndef OCD_H
 #define OCD_H
 
+struct mem_attrib;
+struct target_ops;
+
 /* Wiggler serial protocol definitions */
 
 #define DLE 020			/* Quote char */
diff --git a/gdb/ppc-tdep.h b/gdb/ppc-tdep.h
index f3c022c577f..066cd99af45 100644
--- a/gdb/ppc-tdep.h
+++ b/gdb/ppc-tdep.h
@@ -22,6 +22,7 @@
 #ifndef PPC_TDEP_H
 #define PPC_TDEP_H
 
+struct gdbarch;
 struct frame_info;
 struct value;
 
diff --git a/gdb/remote-utils.h b/gdb/remote-utils.h
index 3ca3bb4dcce..cae5d5e238d 100644
--- a/gdb/remote-utils.h
+++ b/gdb/remote-utils.h
@@ -22,6 +22,8 @@
 #ifndef REMOTE_UTILS_H
 #define REMOTE_UTILS_H
 
+struct target_ops;
+
 #include "target.h"
 struct serial;
 
diff --git a/gdb/ser-unix.h b/gdb/ser-unix.h
index f7be059b28a..3bdf0bcb0ee 100644
--- a/gdb/ser-unix.h
+++ b/gdb/ser-unix.h
@@ -22,6 +22,9 @@
 #ifndef SER_UNIX_H
 #define SER_UNIX_H
 
+struct serial;
+struct ui_file;
+
 /* Generic UNIX/FD functions */
 
 extern int ser_unix_nop_flush_output (struct serial *scb);
diff --git a/gdb/serial.h b/gdb/serial.h
index 97d68f32a04..7495b709d57 100644
--- a/gdb/serial.h
+++ b/gdb/serial.h
@@ -22,6 +22,8 @@
 #ifndef SERIAL_H
 #define SERIAL_H
 
+struct ui_file;
+
 /* For most routines, if a failure is indicated, then errno should be
    examined.  */
 
diff --git a/gdb/solib-svr4.h b/gdb/solib-svr4.h
index e41c240f2f8..d9d321771a3 100644
--- a/gdb/solib-svr4.h
+++ b/gdb/solib-svr4.h
@@ -19,6 +19,8 @@
    Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
+struct objfile;
+
 /* Critical offsets and sizes which describe struct r_debug and
    struct link_map on SVR4-like targets.  All offsets and sizes are
    in bytes unless otherwise specified.  */
diff --git a/gdb/source.h b/gdb/source.h
index ba7d45f5260..7cfed1ae0e8 100644
--- a/gdb/source.h
+++ b/gdb/source.h
@@ -21,6 +21,8 @@
 #ifndef SOURCE_H
 #define SOURCE_H
 
+struct symtab;
+
 /* Open a source file given a symtab S.  Returns a file descriptor or
    negative number for error.  */
 extern int open_source_file (struct symtab *s);
diff --git a/gdb/srec.h b/gdb/srec.h
index d2d9876da4c..8189a9b95ec 100644
--- a/gdb/srec.h
+++ b/gdb/srec.h
@@ -18,6 +18,8 @@
    Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
+struct serial;
+
 void load_srec (struct serial *desc, const char *file, bfd_vma load_offset,
 		int maxrecsize, int flags, int hashmark,
 		int (*waitack) (void));
diff --git a/gdb/stabsread.h b/gdb/stabsread.h
index 62fd77601ad..b70f16242ee 100644
--- a/gdb/stabsread.h
+++ b/gdb/stabsread.h
@@ -19,6 +19,8 @@
    Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
+struct objfile;
+
 /* Definitions, prototypes, etc for stabs debugging format support
    functions.
 
diff --git a/gdb/symfile.h b/gdb/symfile.h
index 17bcb4cddae..0e2f1ef096b 100644
--- a/gdb/symfile.h
+++ b/gdb/symfile.h
@@ -26,7 +26,7 @@
 /* This file requires that you first include "bfd.h".  */
 
 /* Opaque declarations.  */
-
+struct objfile;
 struct obstack;
 struct block;
 
diff --git a/gdb/symtab.h b/gdb/symtab.h
index 79705fec06d..bb9525cf067 100644
--- a/gdb/symtab.h
+++ b/gdb/symtab.h
@@ -25,7 +25,9 @@
 #define SYMTAB_H 1
 
 /* Opaque declarations.  */
-
+struct ui_file;
+struct frame_info;
+struct symbol;
 struct obstack;
 struct objfile;
 struct block;
diff --git a/gdb/target.h b/gdb/target.h
index f081bd36c12..b3f43fce577 100644
--- a/gdb/target.h
+++ b/gdb/target.h
@@ -23,6 +23,10 @@
 #if !defined (TARGET_H)
 #define TARGET_H
 
+struct objfile;
+struct ui_file;
+struct mem_attrib;
+
 /* This include file defines the interface between the main part
    of the debugger, and the part which is target-specific, or
    specific to the communications interface between us and the
diff --git a/gdb/typeprint.h b/gdb/typeprint.h
index c57cc58c7ef..f2de1c57015 100644
--- a/gdb/typeprint.h
+++ b/gdb/typeprint.h
@@ -22,6 +22,8 @@
 #ifndef TYPEPRINT_H
 #define TYPEPRINT_H
 
+struct ui_file;
+
 void print_type_scalar (struct type * type, LONGEST, struct ui_file *);
 
 void c_type_print_varspec_suffix (struct type *, struct ui_file *, int,
diff --git a/gdb/value.h b/gdb/value.h
index 783191a040e..ad488a788fa 100644
--- a/gdb/value.h
+++ b/gdb/value.h
@@ -23,6 +23,10 @@
 #if !defined (VALUE_H)
 #define VALUE_H 1
 
+struct ui_file;
+struct expression;
+struct symbol;
+struct type;
 struct regcache;
 struct block;
 
diff --git a/gdb/x86-64-tdep.h b/gdb/x86-64-tdep.h
index b8f3aefb776..6885a7cb856 100644
--- a/gdb/x86-64-tdep.h
+++ b/gdb/x86-64-tdep.h
@@ -23,6 +23,9 @@
 #ifndef X86_64_TDEP_H
 #define X86_64_TDEP_H
 
+struct gdbarch;
+struct frame_info;
+
 #include "i386-tdep.h"
 
 extern int x86_64_num_regs;
diff --git a/gdb/xmodem.h b/gdb/xmodem.h
index 86c5008d159..83aa24f71ec 100644
--- a/gdb/xmodem.h
+++ b/gdb/xmodem.h
@@ -18,6 +18,8 @@
    Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
+struct serial;
+
 int xmodem_init_xfer (struct serial *desc);
 void send_xmodem_packet (struct serial *desc, unsigned char *packet, int len,
 			 int hashmark);
-- 
2.30.2