diff --git a/src/Makefile b/src/Makefile
index 93a8898..e4cfd84 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -2320,12 +2320,18 @@ install-languages: languages $(DEST_LANG) $(DEST_KMAP)
 ICON48PATH = $(DESTDIR)$(DATADIR)/icons/hicolor/48x48/apps
 ICON32PATH = $(DESTDIR)$(DATADIR)/icons/locolor/32x32/apps
 ICON16PATH = $(DESTDIR)$(DATADIR)/icons/locolor/16x16/apps
+ICONTHEMEPATH = $(DATADIR)/icons/hicolor
 DESKTOPPATH = $(DESTDIR)$(DATADIR)/applications
 KDEPATH = $(HOME)/.kde/share/icons
 install-icons:
 	if test -d $(ICON48PATH) -a -w $(ICON48PATH) \
 		-a ! -f $(ICON48PATH)/gvim.png; then \
 	   $(INSTALL_DATA) $(SCRIPTSOURCE)/vim48x48.png $(ICON48PATH)/gvim.png; \
+	   if test -z "$(DESTDIR)"  -a -x $(GTK_UPDATE_ICON_CACHE) \
+		   -a -w $(ICONTHEMEPATH) \
+		   -a -f $(ICONTHEMEPATH)/index.theme; then \
+		$(GTK_UPDATE_ICON_CACHE) -q $(ICONTHEMEPATH); \
+	   fi \
 	fi
 	if test -d $(ICON32PATH) -a -w $(ICON32PATH) \
 		-a ! -f $(ICON32PATH)/gvim.png; then \
@@ -2339,6 +2345,9 @@ install-icons:
 	   $(INSTALL_DATA) $(SCRIPTSOURCE)/vim.desktop \
 		$(SCRIPTSOURCE)/gvim.desktop \
 		$(DESKTOPPATH); \
+	   if test -z "$(DESTDIR)" -a -x $(UPDATE_DESKTOP_DATABASE); then \
+	      $(UPDATE_DESKTOP_DATABASE) -q $(DESKTOPPATH); \
+	   fi \
 	fi
 
 $(HELPSOURCE)/vim.1 $(MACROSOURCE) $(TOOLSSOURCE):
diff --git a/src/auto/configure b/src/auto/configure
index fea1f2c..0a72b20 100755
--- a/src/auto/configure
+++ b/src/auto/configure
@@ -638,6 +638,8 @@ NARROW_PROTO
 MOTIF_LIBNAME
 GRESOURCE_OBJ
 GRESOURCE_SRC
+UPDATE_DESKTOP_DATABASE
+GTK_UPDATE_ICON_CACHE
 GLIB_COMPILE_RESOURCES
 GNOME_INCLUDEDIR
 GNOME_LIBDIR
@@ -829,6 +831,8 @@ enable_gtktest
 with_gnome_includes
 with_gnome_libs
 with_gnome
+enable_icon_cache_update
+enable_desktop_database_update
 with_motif_lib
 with_tlib
 enable_largefile
@@ -1489,6 +1493,8 @@ Optional Features:
   --enable-nextaw-check   If auto-select GUI, check for neXtaw default=yes
   --enable-carbon-check   If auto-select GUI, check for Carbon default=yes
   --disable-gtktest       Do not try to compile and run a test GTK program
+  --disable-icon-cache-update        update disabled
+  --disable-desktop-database-update  update disable
   --disable-largefile     omit support for large files
   --disable-acl           Don't check for ACL support.
   --disable-gpm           Don't use gpm (Linux mouse daemon).
@@ -9117,8 +9123,134 @@ $as_echo "not usable." >&6; }
     { $as_echo "$as_me:${as_lineno-$LINENO}: result: cannot obtain from pkg_config." >&5
 $as_echo "cannot obtain from pkg_config." >&6; }
   fi
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking --disable-icon-cache-update argument" >&5
+$as_echo_n "checking --disable-icon-cache-update argument... " >&6; }
+  # Check whether --enable-icon_cache_update was given.
+if test "${enable_icon_cache_update+set}" = set; then :
+  enableval=$enable_icon_cache_update;
+else
+  enable_icon_cache_update="yes"
+fi
+
+  if test "$enable_icon_cache_update" = "yes"; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: not set" >&5
+$as_echo "not set" >&6; }
+    # Extract the first word of "gtk-update-icon-cache", so it can be a program name with args.
+set dummy gtk-update-icon-cache; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_GTK_UPDATE_ICON_CACHE+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $GTK_UPDATE_ICON_CACHE in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_GTK_UPDATE_ICON_CACHE="$GTK_UPDATE_ICON_CACHE" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_GTK_UPDATE_ICON_CACHE="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  test -z "$ac_cv_path_GTK_UPDATE_ICON_CACHE" && ac_cv_path_GTK_UPDATE_ICON_CACHE="no"
+  ;;
+esac
+fi
+GTK_UPDATE_ICON_CACHE=$ac_cv_path_GTK_UPDATE_ICON_CACHE
+if test -n "$GTK_UPDATE_ICON_CACHE"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $GTK_UPDATE_ICON_CACHE" >&5
+$as_echo "$GTK_UPDATE_ICON_CACHE" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+    if test "x$GTK_UPDATE_ICON_CACHE" = "xno" ; then
+      { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found in PATH." >&5
+$as_echo "not found in PATH." >&6; }
+    fi
+  else
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: update disabled" >&5
+$as_echo "update disabled" >&6; }
+  fi
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking --disable-desktop-database-update argument" >&5
+$as_echo_n "checking --disable-desktop-database-update argument... " >&6; }
+  # Check whether --enable-desktop_database_update was given.
+if test "${enable_desktop_database_update+set}" = set; then :
+  enableval=$enable_desktop_database_update;
+else
+  enable_desktop_database_update="yes"
 fi
 
+  if test "$enable_desktop_database_update" = "yes"; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: not set" >&5
+$as_echo "not set" >&6; }
+    # Extract the first word of "update-desktop-database", so it can be a program name with args.
+set dummy update-desktop-database; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_UPDATE_DESKTOP_DATABASE+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $UPDATE_DESKTOP_DATABASE in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_UPDATE_DESKTOP_DATABASE="$UPDATE_DESKTOP_DATABASE" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_UPDATE_DESKTOP_DATABASE="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  test -z "$ac_cv_path_UPDATE_DESKTOP_DATABASE" && ac_cv_path_UPDATE_DESKTOP_DATABASE="no"
+  ;;
+esac
+fi
+UPDATE_DESKTOP_DATABASE=$ac_cv_path_UPDATE_DESKTOP_DATABASE
+if test -n "$UPDATE_DESKTOP_DATABASE"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $UPDATE_DESKTOP_DATABASE" >&5
+$as_echo "$UPDATE_DESKTOP_DATABASE" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+    if test "x$UPDATE_DESKTOP_DATABASE" = "xno" ; then
+      { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found in PATH." >&5
+$as_echo "not found in PATH." >&6; }
+    fi
+  else
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: update disabled" >&5
+$as_echo "update disabled" >&6; }
+  fi
+fi
+
+
+
 
 
 
@@ -11692,7 +11824,7 @@ else
     We can't simply define LARGE_OFF_T to be 9223372036854775807,
     since some C++ compilers masquerading as C compilers
     incorrectly reject 9223372036854775807.  */
-#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31))
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
   int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
 		       && LARGE_OFF_T % 2147483647 == 1)
 		      ? 1 : -1];
@@ -11738,7 +11870,7 @@ else
     We can't simply define LARGE_OFF_T to be 9223372036854775807,
     since some C++ compilers masquerading as C compilers
     incorrectly reject 9223372036854775807.  */
-#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31))
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
   int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
 		       && LARGE_OFF_T % 2147483647 == 1)
 		      ? 1 : -1];
@@ -11762,7 +11894,7 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
     We can't simply define LARGE_OFF_T to be 9223372036854775807,
     since some C++ compilers masquerading as C compilers
     incorrectly reject 9223372036854775807.  */
-#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31))
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
   int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
 		       && LARGE_OFF_T % 2147483647 == 1)
 		      ? 1 : -1];
@@ -11807,7 +11939,7 @@ else
     We can't simply define LARGE_OFF_T to be 9223372036854775807,
     since some C++ compilers masquerading as C compilers
     incorrectly reject 9223372036854775807.  */
-#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31))
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
   int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
 		       && LARGE_OFF_T % 2147483647 == 1)
 		      ? 1 : -1];
@@ -11831,7 +11963,7 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
     We can't simply define LARGE_OFF_T to be 9223372036854775807,
     since some C++ compilers masquerading as C compilers
     incorrectly reject 9223372036854775807.  */
-#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31))
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
   int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
 		       && LARGE_OFF_T % 2147483647 == 1)
 		      ? 1 : -1];
diff --git a/src/config.mk.in b/src/config.mk.in
index b514f2b..e4ca05e 100644
--- a/src/config.mk.in
+++ b/src/config.mk.in
@@ -164,6 +164,9 @@ GLIB_COMPILE_RESOURCES = @GLIB_COMPILE_RESOURCES@
 GRESOURCE_SRC = @GRESOURCE_SRC@
 GRESOURCE_OBJ = @GRESOURCE_OBJ@
 
+GTK_UPDATE_ICON_CACHE = @GTK_UPDATE_ICON_CACHE@
+UPDATE_DESKTOP_DATABASE = @UPDATE_DESKTOP_DATABASE@
+
 ### Any OS dependent extra source and object file
 OS_EXTRA_SRC	= @OS_EXTRA_SRC@
 OS_EXTRA_OBJ	= @OS_EXTRA_OBJ@
diff --git a/src/configure.in b/src/configure.in
index 92a1bb5..818fc2f 100644
--- a/src/configure.in
+++ b/src/configure.in
@@ -2628,10 +2628,42 @@ if test "x$GUITYPE" = "xGTK"; then
   else
     AC_MSG_RESULT([cannot obtain from pkg_config.])
   fi
+
+  AC_MSG_CHECKING([--disable-icon-cache-update argument])
+  AC_ARG_ENABLE(icon_cache_update,
+          [  --disable-icon-cache-update        update disabled],
+          [],
+          [enable_icon_cache_update="yes"])
+  if test "$enable_icon_cache_update" = "yes"; then
+    AC_MSG_RESULT([not set])
+    AC_PATH_PROG(GTK_UPDATE_ICON_CACHE,[gtk-update-icon-cache],no)
+    if test "x$GTK_UPDATE_ICON_CACHE" = "xno" ; then
+      AC_MSG_RESULT([not found in PATH.])
+    fi
+  else
+    AC_MSG_RESULT([update disabled])
+  fi
+
+  AC_MSG_CHECKING([--disable-desktop-database-update argument])
+  AC_ARG_ENABLE(desktop_database_update,
+          [  --disable-desktop-database-update  update disable],
+          [],
+          [enable_desktop_database_update="yes"])
+  if test "$enable_desktop_database_update" = "yes"; then
+    AC_MSG_RESULT([not set])
+    AC_PATH_PROG(UPDATE_DESKTOP_DATABASE,[update-desktop-database],no)
+    if test "x$UPDATE_DESKTOP_DATABASE" = "xno" ; then
+      AC_MSG_RESULT([not found in PATH.])
+    fi
+  else
+    AC_MSG_RESULT([update disabled])
+  fi
 fi
 AC_SUBST(GLIB_COMPILE_RESOURCES)
 AC_SUBST(GRESOURCE_SRC)
 AC_SUBST(GRESOURCE_OBJ)
+AC_SUBST(GTK_UPDATE_ICON_CACHE)
+AC_SUBST(UPDATE_DESKTOP_DATABASE)
 
 dnl Check for Motif include files location.
 dnl The LAST one found is used, this makes the highest version to be used,