Adapt MSDOS port to latest changes.

 config.bat: Copy lib/execinfo.in.h to lib/execinfo.in-h if needed.

 msdos/sedlibmk.inp: Sync with changes in lib/Makefile.in.
 (HAVE_DECL_ENVIRON, GNULIB_ENVIRON): Edit to require declaration
 through lib/unistd.h.
 msdos/sed1v2.inp: Sync with changes in src/Makefile.in.
 msdos/sed2v2.inp: Sync with changes in src/config.in.

 src/lisp.mk: Adjust comments to the fact that term/internal is now
 loaded from loadup.el.
 src/msdos.c (msdos_abort): Rename from emacs_abort, and make static.
 (msdos_fatal_signal): New function.
 (XMenuActivate): Adjust the call to kbd_buffer_events_waiting to
 its argument list.
 src/conf_post.h (_GL_EXECINFO_INLINE) [MSDOS]: Define to "inline"
 for GCC versions before 4.
 (emacs_raise): Define to call msdos_fatal_signal.

 lisp/term/pc-win.el: Don't load term/internal from here.
 lisp/loadup.el: Load term/internal from here.

4 files changed, 42 insertions, 12 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index 4d42714f91f..3ae755f3d20 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,16 +1,28 @@
-2012-11-03  Jan Djärv  <jan.h.d@swipnet.se>
+2012-11-03  Eli Zaretskii  <eliz@gnu.org>
 
-        * widget.c (resize_cb): New function.
-        (EmacsFrameRealize): Add resize_cb as event handler (Bug#12733).
-        (EmacsFrameResize): Check if all is up to date before changing frame
-        size.
+        * lisp.mk: Adjust comments to the fact that term/internal is now
+        loaded from loadup.el.
 
-2012-11-03  Eli Zaretskii  <eliz@gnu.org>
+        * msdos.c (msdos_abort): Rename from emacs_abort, and make static.
+        (msdos_fatal_signal): New function.
+        (XMenuActivate): Adjust the call to kbd_buffer_events_waiting to
+        its argument list.
+
+        * conf_post.h (_GL_EXECINFO_INLINE) [MSDOS]: Define to "inline"
+        for GCC versions before 4.
+        (emacs_raise): Define to call msdos_fatal_signal.
 
         * xdisp.c (init_from_display_pos): Fix initialization of the bidi
         iterator when starting in the middle of a display or overlay
         string.  (Bug#12745)
 
+2012-11-03  Jan Djärv  <jan.h.d@swipnet.se>
+
+        * widget.c (resize_cb): New function.
+        (EmacsFrameRealize): Add resize_cb as event handler (Bug#12733).
+        (EmacsFrameResize): Check if all is up to date before changing frame
+        size.
+
 2012-11-01  Eli Zaretskii  <eliz@gnu.org>
 
         * w32proc.c (getpgrp, setpgid): New functions.  (Bug#12776)
diff --git a/src/conf_post.h b/src/conf_post.h
index 6056821d4a7..da3c3bd58b0 100644
--- a/src/conf_post.h
+++ b/src/conf_post.h
@@ -110,8 +110,17 @@ You lose; /* Emacs for DOS must be compiled with DJGPP */
 #else
 # define lstat stat
 #endif
+/* The "portable" definition of _GL_INLINE on config.h does not work
+   with DJGPP GCC 3.4.4: it causes unresolved externals in sysdep.c,
+   although lib/execinfo.h is included and the inline functions there
+   are visible.  */
+#if __GNUC__ < 4
+# define _GL_EXECINFO_INLINE inline
+#endif
 /* End of gnulib-related stuff.  */
 
+#define emacs_raise(sig) msdos_fatal_signal (sig)
+
 #ifndef HAVE_SETPGID
 # ifdef USG
 #  define setpgid(pid, pgid) setpgrp ()
diff --git a/src/lisp.mk b/src/lisp.mk
index 1f459d4d5f1..8c2710110e3 100644
--- a/src/lisp.mk
+++ b/src/lisp.mk
@@ -34,9 +34,9 @@
 ## that does not have an explicit .el extension, but beware of any
 ## no-byte-compile ones.
 
-## Confusingly, term/internal is not in loadup, but is unconditionally
-## loaded by pc-win, which is.  Ditto for international/cp51932 and
-## international/eucjp-ms, loaded from language/japanese.
+## Confusingly, international/cp51932 and international/eucjp-ms are
+## unconditionally loaded from language/japanese, instead of being
+## loaded directly from loadup.el; FIXME.
 
 ## Note that this list should not include lisp files which might not
 ## be present, like site-load.el and site-init.el; this makefile
diff --git a/src/msdos.c b/src/msdos.c
index bac6b977fdf..79f0be48892 100644
--- a/src/msdos.c
+++ b/src/msdos.c
@@ -3305,7 +3305,7 @@ XMenuActivate (Display *foo, XMenu *menu, int *pane, int *selidx,
      Emacs will process them after we return and surprise the user.  */
   discard_mouse_events ();
   mouse_clear_clicks ();
-  if (!kbd_buffer_events_waiting (1))
+  if (!kbd_buffer_events_waiting ())
     clear_input_pending ();
   /* Allow mouse events generation by dos_rawgetc.  */
   mouse_preempted--;
@@ -4214,8 +4214,8 @@ init_gettimeofday (void)
 }
 #endif
 
-void
-emacs_abort (void)
+static void
+msdos_abort (void)
 {
   dos_ttcooked ();
   ScreenSetCursor (10, 0);
@@ -4233,6 +4233,15 @@ emacs_abort (void)
 }
 
 void
+msdos_fatal_signal (int sig)
+{
+  if (sig == SIGABRT)
+    msdos_abort ();
+  else
+    raise (sig);
+}
+
+void
 syms_of_msdos (void)
 {
   recent_doskeys = Fmake_vector (make_number (NUM_RECENT_DOSKEYS), Qnil);