Remove HAVE_MOUSE; see https://lists.gnu.org/archive/html/emacs-devel/2012-10/msg00403.html.

* configure.ac (HAVE_MOUSE): Remove.
* admin/CPP-DEFINES (HAVE_MOUSE): Remove.
* msdos/sed2v2.inp (HAVE_MOUSE): Remove.
* nt/config.nt (HAVE_MOUSE): Remove.
* src/keyboard.c (HAVE_MOUSE):
* src/frame.c (HAVE_MOUSE): Remove, and rewrite code as if HAVE_MOUSE
were always defined.

ChangeLog

+2012-11-24  Ken Brown  <kbrown@cornell.edu>
+
+	* configure.ac (HAVE_MOUSE): Remove.
+
 2012-11-23  Paul Eggert  <eggert@cs.ucla.edu>
 
 	Assume POSIX 1003.1-1988 or later for dirent.h (Bug#12958).

admin/CPP-DEFINES

@@ -259,7 +259,6 @@ HAVE_MEMSET
 HAVE_MENUS
 HAVE_MKSTEMP
 HAVE_MMAP
-HAVE_MOUSE
 HAVE_MULTILINGUAL_MENU
 HAVE_NANOTIME
 HAVE_NET_IF_DL_H

admin/ChangeLog

+2012-11-24  Ken Brown  <kbrown@cornell.edu>
+
+	* CPP-DEFINES (HAVE_MOUSE): Remove.
+
 2012-11-23  Paul Eggert  <eggert@cs.ucla.edu>
 
 	Assume POSIX 1003.1-1988 or later for dirent.h (Bug#12958).

configure.ac

@@ -4357,7 +4357,6 @@ AC_SUBST(LIB_GCC)
 ## Common for all window systems
 if test "$window_system" != "none"; then
   AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
-  AC_DEFINE(HAVE_MOUSE, 1, [Define if you have mouse support.])
   WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
 fi
 

msdos/ChangeLog

+2012-11-24  Ken Brown  <kbrown@cornell.edu>
+
+	* sed2v2.inp (HAVE_MOUSE): Remove.
+
 2012-11-03  Eli Zaretskii  <eliz@gnu.org>
 
 	* sedlibmk.inp: Sync with changes in lib/Makefile.in.

msdos/sed2v2.inp

@@ -60,7 +60,6 @@
 /^#undef HAVE_SYNC *$/s/^.*$/#define HAVE_SYNC 1/
 /^#undef HAVE___BUILTIN_UNWIND_INIT *$/s/^.*$/#define HAVE___BUILTIN_UNWIND_INIT 1/
 /^#undef HAVE_MENUS *$/s/^.*$/#define HAVE_MENUS 1/
-/^#undef HAVE_MOUSE *$/s/^.*$/#define HAVE_MOUSE 1/
 /^#undef DATA_START/s/^.*$/#define DATA_START (\&etext + 1)/
 /^#undef GC_SETJMP_WORKS/s/^.*$/#define GC_SETJMP_WORKS 1/
 /^#undef ORDINARY_LINK/s/^.*$/#define ORDINARY_LINK 1/

nt/ChangeLog

+2012-11-24  Ken Brown  <kbrown@cornell.edu>
+
+	* config.nt (HAVE_MOUSE): Remove.
+
 2012-11-23  Juanma Barranquero  <lekktu@gmail.com>
 
 	* config.nt: Sync with autogen/config.in.

nt/config.nt

@@ -687,9 +687,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 /* Define to 1 if you have a working `mmap' system call. */
 #undef HAVE_MMAP
 
-/* Define if you have mouse support. */
-#define HAVE_MOUSE 1
-
 /* Define to 1 if you have the `nanotime' function. */
 #undef HAVE_NANOTIME
 

src/ChangeLog

+2012-11-24  Ken Brown  <kbrown@cornell.edu>
+
+	* keyboard.c (HAVE_MOUSE):
+	* frame.c (HAVE_MOUSE): Remove, and rewrite code as if HAVE_MOUSE
+	were always defined.
+
 2012-11-24  Eli Zaretskii  <eliz@gnu.org>
 	* xdisp.c (set_cursor_from_row): Skip step 2 only if point is not

src/frame.c

@@ -1467,7 +1467,6 @@ and returns whatever that function returns.  */)
   f = SELECTED_FRAME ();
   x = y = Qnil;
 
-#if defined (HAVE_MOUSE) || defined (HAVE_GPM)
   /* It's okay for the hook to refrain from storing anything.  */
   if (FRAME_TERMINAL (f)->mouse_position_hook)
     {
@@ -1487,7 +1486,6 @@ and returns whatever that function returns.  */)
       XSETINT (x, col);
       XSETINT (y, row);
     }
-#endif
   XSETFRAME (lispy_dummy, f);
   retval = Fcons (lispy_dummy, Fcons (x, y));
   GCPRO1 (retval);
@@ -1514,7 +1512,6 @@ and nil for X and Y.  */)
   f = SELECTED_FRAME ();
   x = y = Qnil;
 
-#if defined (HAVE_MOUSE) || defined (HAVE_GPM)
   /* It's okay for the hook to refrain from storing anything.  */
   if (FRAME_TERMINAL (f)->mouse_position_hook)
     {
@@ -1526,7 +1523,6 @@ and nil for X and Y.  */)
 						  &time_dummy);
     }
 
-#endif
   XSETFRAME (lispy_dummy, f);
   return Fcons (lispy_dummy, Fcons (x, y));
 }
@@ -1557,7 +1553,7 @@ before calling this function on it, like this.
     /* Warping the mouse will cause enternotify and focus events.  */
     x_set_mouse_position (XFRAME (frame), XINT (x), XINT (y));
 #else
-#if defined (MSDOS) && defined (HAVE_MOUSE)
+#if defined (MSDOS)
   if (FRAME_MSDOS_P (XFRAME (frame)))
     {
       Fselect_frame (frame, Qnil);
@@ -1598,7 +1594,7 @@ before calling this function on it, like this.
     /* Warping the mouse will cause enternotify and focus events.  */
     x_set_mouse_pixel_position (XFRAME (frame), XINT (x), XINT (y));
 #else
-#if defined (MSDOS) && defined (HAVE_MOUSE)
+#if defined (MSDOS)
   if (FRAME_MSDOS_P (XFRAME (frame)))
     {
       Fselect_frame (frame, Qnil);

src/keyboard.c

@@ -306,9 +306,7 @@ static Lisp_Object Qmake_frame_visible;
 static Lisp_Object Qselect_window;
 Lisp_Object Qhelp_echo;
 
-#if defined (HAVE_MOUSE) || defined (HAVE_GPM)
 static Lisp_Object Qmouse_fixup_help_message;
-#endif
 
 /* Symbols to denote kinds of events.  */
 static Lisp_Object Qfunction_key;
@@ -417,12 +415,10 @@ static Lisp_Object read_char_x_menu_prompt (ptrdiff_t, Lisp_Object *,
 static Lisp_Object read_char_minibuf_menu_prompt (int, ptrdiff_t,
                                                   Lisp_Object *);
 static Lisp_Object make_lispy_event (struct input_event *);
-#if defined (HAVE_MOUSE) || defined (HAVE_GPM)
 static Lisp_Object make_lispy_movement (struct frame *, Lisp_Object,
                                         enum scroll_bar_part,
                                         Lisp_Object, Lisp_Object,
 					Time);
-#endif
 static Lisp_Object modify_event_symbol (ptrdiff_t, int, Lisp_Object,
                                         Lisp_Object, const char *const *,
                                         Lisp_Object *, ptrdiff_t);
@@ -1234,8 +1230,6 @@ DEFUN ("abort-recursive-edit", Fabort_recursive_edit, Sabort_recursive_edit, 0,
   user_error ("No recursive edit is in progress");
 }
 
-#if defined (HAVE_MOUSE) || defined (HAVE_GPM)
-
 /* Restore mouse tracking enablement.  See Ftrack_mouse for the only use
    of this function.  */
 
@@ -1310,7 +1304,6 @@ some_mouse_moved (void)
   return 0;
 }
 
-#endif	/* HAVE_MOUSE || HAVE_GPM */
 
 /* This is the actual command reading loop,
    sans error-handling encapsulation.  */
@@ -1402,14 +1395,11 @@ command_loop_1 (void)
 
       Vdeactivate_mark = Qnil;
 
-#if defined (HAVE_MOUSE) || defined (HAVE_GPM)
-
       /* Don't ignore mouse movements for more than a single command
 	 loop.  (This flag is set in xdisp.c whenever the tool bar is
 	 resized, because the resize moves text up or down, and would
 	 generate false mouse drag events if we don't ignore them.)  */
       ignore_mouse_drag_p = 0;
-#endif
 
       /* If minibuffer on and echo area in use,
 	 wait a short time and redraw minibuffer.  */
@@ -2182,7 +2172,6 @@ show_help_echo (Lisp_Object help, Lisp_Object window, Lisp_Object object,
 	return;
     }
 
-#if defined (HAVE_MOUSE) || defined (HAVE_GPM)
   if (!noninteractive && STRINGP (help))
     {
       /* The mouse-fixup-help-message Lisp function can call
@@ -2195,7 +2184,6 @@ show_help_echo (Lisp_Object help, Lisp_Object window, Lisp_Object object,
       if (f)
       	f->mouse_moved = 1;
     }
-#endif
 
   if (STRINGP (help) || NILP (help))
     {
@@ -3390,11 +3378,9 @@ readable_events (int flags)
 	return 1;
     }
 
-#if defined (HAVE_MOUSE) || defined (HAVE_GPM)
   if (!(flags & READABLE_EVENTS_IGNORE_SQUEEZABLES)
       && !NILP (do_mouse_tracking) && some_mouse_moved ())
     return 1;
-#endif
   if (single_kboard)
     {
       if (current_kboard->kbd_queue_has_data)
@@ -3762,10 +3748,8 @@ kbd_buffer_get_event (KBOARD **kbp,
 
       if (kbd_fetch_ptr != kbd_store_ptr)
 	break;
-#if defined (HAVE_MOUSE) || defined (HAVE_GPM)
       if (!NILP (do_mouse_tracking) && some_mouse_moved ())
 	break;
-#endif
 
       /* If the quit flag is set, then read_char will return
 	 quit_char, so that counts as "available input."  */
@@ -3780,10 +3764,8 @@ kbd_buffer_get_event (KBOARD **kbp,
 #endif
       if (kbd_fetch_ptr != kbd_store_ptr)
 	break;
-#if defined (HAVE_MOUSE) || defined (HAVE_GPM)
       if (!NILP (do_mouse_tracking) && some_mouse_moved ())
 	break;
-#endif
       if (end_time)
 	{
 	  EMACS_TIME now = current_emacs_time ();
@@ -4040,7 +4022,6 @@ kbd_buffer_get_event (KBOARD **kbp,
 	    }
 	}
     }
-#if defined (HAVE_MOUSE) || defined (HAVE_GPM)
   /* Try generating a mouse motion event.  */
   else if (!NILP (do_mouse_tracking) && some_mouse_moved ())
     {
@@ -4085,7 +4066,6 @@ kbd_buffer_get_event (KBOARD **kbp,
       if (!NILP (x) && NILP (obj))
 	obj = make_lispy_movement (f, bar_window, part, x, y, t);
     }
-#endif	/* HAVE_MOUSE || HAVE GPM */
   else
     /* We were promised by the above while loop that there was
        something for us to read!  */
@@ -5397,7 +5377,6 @@ make_lispy_event (struct input_event *event)
       return Qnil;
 #endif
 
-#ifdef HAVE_MOUSE
       /* A mouse click.  Figure out where it is, decide whether it's
          a press, click or drag, and build the appropriate structure.  */
     case MOUSE_CLICK_EVENT:
@@ -5849,7 +5828,6 @@ make_lispy_event (struct input_event *event)
 			     Fcons (files,
 				    Qnil)));
       }
-#endif /* HAVE_MOUSE */
 
 #if defined (USE_X_TOOLKIT) || defined (HAVE_NTGUI) \
     || defined (HAVE_NS) || defined (USE_GTK)
@@ -5968,8 +5946,6 @@ make_lispy_event (struct input_event *event)
     }
 }
 
-#if defined (HAVE_MOUSE) || defined (HAVE_GPM)
-
 static Lisp_Object
 make_lispy_movement (FRAME_PTR frame, Lisp_Object bar_window, enum scroll_bar_part part,
 		     Lisp_Object x, Lisp_Object y, Time t)
@@ -5997,8 +5973,6 @@ make_lispy_movement (FRAME_PTR frame, Lisp_Object bar_window, enum scroll_bar_pa
     }
 }
 
-#endif /* HAVE_MOUSE || HAVE GPM */
-
 /* Construct a switch frame event.  */
 static Lisp_Object
 make_lispy_switch_frame (Lisp_Object frame)
@@ -11233,9 +11207,7 @@ init_keyboard (void)
   recent_keys_index = 0;
   kbd_fetch_ptr = kbd_buffer;
   kbd_store_ptr = kbd_buffer;
-#if defined (HAVE_MOUSE) || defined (HAVE_GPM)
   do_mouse_tracking = Qnil;
-#endif
   input_pending = 0;
   interrupt_input_blocked = 0;
   pending_signals = 0;
@@ -11386,9 +11358,7 @@ syms_of_keyboard (void)
   DEFSYM (Qvertical_scroll_bar, "vertical-scroll-bar");
   DEFSYM (Qmenu_bar, "menu-bar");
 
-#if defined (HAVE_MOUSE) || defined (HAVE_GPM)
   DEFSYM (Qmouse_fixup_help_message, "mouse-fixup-help-message");
-#endif
 
   DEFSYM (Qabove_handle, "above-handle");
   DEFSYM (Qhandle, "handle");
@@ -11508,9 +11478,7 @@ syms_of_keyboard (void)
   defsubr (&Sread_key_sequence);
   defsubr (&Sread_key_sequence_vector);
   defsubr (&Srecursive_edit);
-#if defined (HAVE_MOUSE) || defined (HAVE_GPM)
   defsubr (&Strack_mouse);
-#endif
   defsubr (&Sinput_pending_p);
   defsubr (&Scommand_execute);
   defsubr (&Srecent_keys);