Imported readline 6.2, and upstream patch 001.

[patch 0/3] readline-6.2 rebase
http://sourceware.org/ml/gdb-patches/2011-05/msg00003.html
[patch 1/3] readline-6.2: Merge of already posted patches
http://sourceware.org/ml/gdb-patches/2011-05/msg00004.html
	=
	[Bug-readline] [RFC/readline] bind.c, rl_function_dumper, Free allocated
	http://lists.gnu.org/archive/html/bug-readline/2011-03/msg00000.html
	[Bug-readline] [patch] Fix underquotation in readline/examples/rlfe/conf
	http://lists.gnu.org/archive/html/bug-readline/2011-04/msg00001.html
	[Bug-readline] [patch] Makefile.in htm<->html
	http://lists.gnu.org/archive/html/bug-readline/2011-04/msg00002.html
	Re: [Bug-readline] [patch] Makefile.in dependency: callback.o: xmalloc.h
	http://lists.gnu.org/archive/html/bug-readline/2011-04/msg00004.html
	[Bug-readline] [patch] Remove . from the VPATH directive
	http://lists.gnu.org/archive/html/bug-readline/2011-04/msg00005.html
	Eli Zaretskii's __MSDOS__ / __GO32__ / __MINGW32__ / __DJGPP__ stuff:
	http://sourceware.org/ml/gdb/2011-04/msg00002.html
	Jan Kratochvil's patch for FSF GDB tree local-specific changes:
	http://sourceware.org/ml/gdb/2011-04/msg00006.html
	Preservation of existing ChangeLog.gdb files, their updates.
[patch 2/3] readline-6.2: Workaround "ask" regression
http://sourceware.org/ml/gdb-patches/2011-05/msg00005.html
[patch 3/3] readline-6.2: Revert 5.x compat., apply 6.x compat.
http://sourceware.org/ml/gdb-patches/2011-05/msg00006.html
[patch 4/3] readline-6.2: Substitute inc-hist.texinfo
http://sourceware.org/ml/gdb-patches/2011-05/msg00010.html

readline/
	Workaround gdb.base/completion.exp regression on readline-6.2.
	* complete.c (get_y_or_n): Disable the return on RL_STATE_CALLBACK.

	Imported readline 6.2, and upstream patch 001.
	* configure: Regenerate.

readline/doc/
	* hsuser.texi (Using History Interactively): Disable !BashFeatures
	@defcodeindex.  Make the `Programming with GNU History' reference
	external.
	* inc-hist.texinfo: Remove.

	Imported readline 6.2, and upstream patch 001.

readline/examples/
	Imported readline 6.2, and upstream patch 001.

readline/examples/rlfe/
	Imported readline 6.2, and upstream patch 001.

gdb/
	* config.in: Regenerate.
	* configure: Regenerate.
	* configure.ac <--with-system-readline> (for readline_echoing_p):
	Remove the test.
	* tui/tui-io.c (tui_old_readline_echoing_p): Rename to ...
	(tui_old_rl_echoing_p): ... here.
	(tui_setup_io): Rename extern declaration readline_echoing_p to
	_rl_echoing_p.  Adjust assignments for the both renames.

gdb/doc/
	* Makefile.in (GDB_DOC_SOURCE_INCLUDES): Rename inc-hist.texinfo to
	hsuser.texi.
	* gdb.texinfo <!SYSTEM_READLINE>: Rename inc-hist.texinfo inclusion and
	comment to hsuser.texi.  Change rluser.texi name in the comment.

1 files changed, 522 insertions, 78 deletions

diff --git a/readline/configure b/readline/configure
index 8a90f0f5968..01873117e52 100755
--- a/readline/configure
+++ b/readline/configure
@@ -1,7 +1,7 @@
 #! /bin/sh
-# From configure.in for Readline 5.1, version 2.59.
+# From configure.in for Readline 6.2, version 2.67.
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.64 for readline 5.1-release.
+# Generated by GNU Autoconf 2.64 for readline 6.2.
 #
 # Report bugs to <bug-readline@gnu.org>.
 #
@@ -550,8 +550,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='readline'
 PACKAGE_TARNAME='readline'
-PACKAGE_VERSION='5.1-release'
-PACKAGE_STRING='readline 5.1-release'
+PACKAGE_VERSION='6.2'
+PACKAGE_STRING='readline 6.2'
 PACKAGE_BUGREPORT='bug-readline@gnu.org'
 PACKAGE_URL=''
 
@@ -593,7 +593,6 @@ ac_includes_default="\
 #endif"
 
 ac_subst_vars='LTLIBOBJS
-LIBOBJS
 TERMCAP_LIB
 LIBVERSION
 ARFLAGS
@@ -623,14 +622,13 @@ SHOBJ_LDFLAGS
 SHOBJ_LD
 SHOBJ_CFLAGS
 SHOBJ_CC
-WCWIDTH_OBJ
+LIBOBJS
 MAKE_SHELL
 RANLIB
 AR
 INSTALL_DATA
 INSTALL_SCRIPT
 INSTALL_PROGRAM
-CC_FOR_BUILD
 EGREP
 GREP
 CPP
@@ -696,6 +694,7 @@ with_curses
 with_purify
 enable_multibyte
 enable_static
+enable_largefile
 '
       ac_precious_vars='build_alias
 host_alias
@@ -1247,7 +1246,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures readline 5.1-release to adapt to many kinds of systems.
+\`configure' configures readline 6.2 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1312,7 +1311,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of readline 5.1-release:";;
+     short | recursive ) echo "Configuration of readline 6.2:";;
    esac
   cat <<\_ACEOF
 
@@ -1322,6 +1321,7 @@ Optional Features:
   --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
   --enable-multibyte      enable multibyte characters if OS supports them
   --enable-static         build static libraries [default=YES]
+  --disable-largefile     omit support for large files
 
 Optional Packages:
   --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
@@ -1406,7 +1406,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-readline configure 5.1-release
+readline configure 6.2
 generated by GNU Autoconf 2.64
 
 Copyright (C) 2009 Free Software Foundation, Inc.
@@ -1831,7 +1831,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by readline $as_me 5.1-release, which was
+It was created by readline $as_me 6.2, which was
 generated by GNU Autoconf 2.64.  Invocation command line was
 
   $ $0 $@
@@ -2211,7 +2211,7 @@ ac_configure="$SHELL $ac_aux_dir/configure"  # Please don't use this var.
 ac_config_headers="$ac_config_headers config.h"
 
 
-LIBVERSION=5.1
+LIBVERSION=6.2
 
 # Make sure we can run config.sub.
 $SHELL "$ac_aux_dir/config.sub" sun4 >/dev/null 2>&1 ||
@@ -3622,39 +3622,6 @@ $as_echo "$ac_cv_safe_to_define___extensions__" >&6; }
 
 
 
-
-if test "x$cross_compiling" = "xyes"; then
-    case "${host}" in
-    *-cygwin*)
-	cross_cache=${srcdir}/cross-build/cygwin.cache
-	LOCAL_CFLAGS="$LOCAL_CFLAGS -I${srcdir}/../libtermcap"
-	;;
-   *-mingw32*)
-	cross_cache=${srcdir}/cross-build/mingw.cache
-        ;;
-    *)  echo "configure: cross-compiling for a non-cygwin target is not supported" >&2
-	;;
-    esac
-
-    if test "x$cross_cache" != "x"; then
-	if test -r "${cross_cache}"; then
-	    echo "loading cross-build cache file ${cross_cache}"
-	    . ${cross_cache}
-	fi
-	unset cross_cache
-    fi
-fi
-
-if test -z "$CC_FOR_BUILD"; then
-    if test "x$cross_compiling" = "xno"; then
-        CC_FOR_BUILD='$(CC)'
-    else
-        CC_FOR_BUILD=gcc
-    fi
-fi
-
-
-
 # If we're using gcc and the user hasn't specified CFLAGS, add -O to CFLAGS.
 test -n "$GCC" && test -n "$auto_cflags" && CFLAGS="$CFLAGS -O"
 
@@ -4056,6 +4023,40 @@ if test $ac_cv_c_char_unsigned = yes && test "$GCC" != yes; then
 
 fi
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for working volatile" >&5
+$as_echo_n "checking for working volatile... " >&6; }
+if test "${ac_cv_c_volatile+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+volatile int x;
+int * volatile y = (int *) 0;
+return !x && !y;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_c_volatile=yes
+else
+  ac_cv_c_volatile=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_volatile" >&5
+$as_echo "$ac_cv_c_volatile" >&6; }
+if test $ac_cv_c_volatile = no; then
+
+$as_echo "#define volatile /**/" >>confdefs.h
+
+fi
+
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking return type of signal handlers" >&5
 $as_echo_n "checking return type of signal handlers... " >&6; }
@@ -4571,6 +4572,205 @@ fi
 done
 
 
+# Check whether --enable-largefile was given.
+if test "${enable_largefile+set}" = set; then :
+  enableval=$enable_largefile;
+fi
+
+if test "$enable_largefile" != no; then
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for special C compiler options needed for large files" >&5
+$as_echo_n "checking for special C compiler options needed for large files... " >&6; }
+if test "${ac_cv_sys_largefile_CC+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_cv_sys_largefile_CC=no
+     if test "$GCC" != yes; then
+       ac_save_CC=$CC
+       while :; do
+	 # IRIX 6.2 and later do not support large files by default,
+	 # so use the C compiler's -n32 option if that helps.
+	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/types.h>
+ /* Check that off_t can represent 2**63 - 1 correctly.
+    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 << 62) - 1 + ((off_t) 1 << 62))
+  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+		       && LARGE_OFF_T % 2147483647 == 1)
+		      ? 1 : -1];
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+	 if ac_fn_c_try_compile "$LINENO"; then :
+  break
+fi
+rm -f core conftest.err conftest.$ac_objext
+	 CC="$CC -n32"
+	 if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_sys_largefile_CC=' -n32'; break
+fi
+rm -f core conftest.err conftest.$ac_objext
+	 break
+       done
+       CC=$ac_save_CC
+       rm -f conftest.$ac_ext
+    fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_largefile_CC" >&5
+$as_echo "$ac_cv_sys_largefile_CC" >&6; }
+  if test "$ac_cv_sys_largefile_CC" != no; then
+    CC=$CC$ac_cv_sys_largefile_CC
+  fi
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _FILE_OFFSET_BITS value needed for large files" >&5
+$as_echo_n "checking for _FILE_OFFSET_BITS value needed for large files... " >&6; }
+if test "${ac_cv_sys_file_offset_bits+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  while :; do
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/types.h>
+ /* Check that off_t can represent 2**63 - 1 correctly.
+    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 << 62) - 1 + ((off_t) 1 << 62))
+  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+		       && LARGE_OFF_T % 2147483647 == 1)
+		      ? 1 : -1];
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_sys_file_offset_bits=no; break
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#define _FILE_OFFSET_BITS 64
+#include <sys/types.h>
+ /* Check that off_t can represent 2**63 - 1 correctly.
+    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 << 62) - 1 + ((off_t) 1 << 62))
+  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+		       && LARGE_OFF_T % 2147483647 == 1)
+		      ? 1 : -1];
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_sys_file_offset_bits=64; break
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  ac_cv_sys_file_offset_bits=unknown
+  break
+done
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_file_offset_bits" >&5
+$as_echo "$ac_cv_sys_file_offset_bits" >&6; }
+case $ac_cv_sys_file_offset_bits in #(
+  no | unknown) ;;
+  *)
+cat >>confdefs.h <<_ACEOF
+#define _FILE_OFFSET_BITS $ac_cv_sys_file_offset_bits
+_ACEOF
+;;
+esac
+rm -rf conftest*
+  if test $ac_cv_sys_file_offset_bits = unknown; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _LARGE_FILES value needed for large files" >&5
+$as_echo_n "checking for _LARGE_FILES value needed for large files... " >&6; }
+if test "${ac_cv_sys_large_files+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  while :; do
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/types.h>
+ /* Check that off_t can represent 2**63 - 1 correctly.
+    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 << 62) - 1 + ((off_t) 1 << 62))
+  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+		       && LARGE_OFF_T % 2147483647 == 1)
+		      ? 1 : -1];
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_sys_large_files=no; break
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#define _LARGE_FILES 1
+#include <sys/types.h>
+ /* Check that off_t can represent 2**63 - 1 correctly.
+    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 << 62) - 1 + ((off_t) 1 << 62))
+  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+		       && LARGE_OFF_T % 2147483647 == 1)
+		      ? 1 : -1];
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_sys_large_files=1; break
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  ac_cv_sys_large_files=unknown
+  break
+done
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_large_files" >&5
+$as_echo "$ac_cv_sys_large_files" >&6; }
+case $ac_cv_sys_large_files in #(
+  no | unknown) ;;
+  *)
+cat >>confdefs.h <<_ACEOF
+#define _LARGE_FILES $ac_cv_sys_large_files
+_ACEOF
+;;
+esac
+rm -rf conftest*
+  fi
+fi
+
+
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for type of signal functions" >&5
 $as_echo_n "checking for type of signal functions... " >&6; }
@@ -5078,6 +5278,49 @@ $as_echo "#define GWINSZ_IN_SYS_IOCTL 1" >>confdefs.h
 fi
 
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for sig_atomic_t in signal.h" >&5
+$as_echo_n "checking for sig_atomic_t in signal.h... " >&6; }
+if test "${ac_cv_have_sig_atomic_t+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#include <signal.h>
+
+int
+main ()
+{
+ sig_atomic_t x;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_have_sig_atomic_t=yes
+else
+  ac_cv_have_sig_atomic_t=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_have_sig_atomic_t" >&5
+$as_echo "$ac_cv_have_sig_atomic_t" >&6; }
+if test "$ac_cv_have_sig_atomic_t" = "no"
+then
+    ac_fn_c_check_type "$LINENO" "sig_atomic_t" "ac_cv_type_sig_atomic_t" "$ac_includes_default"
+if test "x$ac_cv_type_sig_atomic_t" = x""yes; then :
+
+else
+
+cat >>confdefs.h <<_ACEOF
+#define sig_atomic_t int
+_ACEOF
+
+fi
+
+fi
+
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether signal handlers are of type void" >&5
 $as_echo_n "checking whether signal handlers are of type void... " >&6; }
 if test "${bash_cv_void_sighandler+set}" = set; then :
@@ -5116,6 +5359,7 @@ $as_echo "#define VOID_SIGHANDLER 1" >>confdefs.h
 
 fi
 
+
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for TIOCSTAT in sys/ioctl.h" >&5
 $as_echo_n "checking for TIOCSTAT in sys/ioctl.h... " >&6; }
 if test "${bash_cv_tiocstat_in_ioctl+set}" = set; then :
@@ -5638,27 +5882,73 @@ fi
 done
 
 
+ac_fn_c_check_func "$LINENO" "mbrlen" "ac_cv_func_mbrlen"
+if test "x$ac_cv_func_mbrlen" = x""yes; then :
+  $as_echo "#define HAVE_MBRLEN 1" >>confdefs.h
+
+fi
+
+ac_fn_c_check_func "$LINENO" "mbscasecmp" "ac_cv_func_mbscasecmp"
+if test "x$ac_cv_func_mbscasecmp" = x""yes; then :
+  $as_echo "#define HAVE_MBSCMP 1" >>confdefs.h
+
+fi
+
+ac_fn_c_check_func "$LINENO" "mbscmp" "ac_cv_func_mbscmp"
+if test "x$ac_cv_func_mbscmp" = x""yes; then :
+  $as_echo "#define HAVE_MBSCMP 1" >>confdefs.h
+
+fi
+
+ac_fn_c_check_func "$LINENO" "mbsnrtowcs" "ac_cv_func_mbsnrtowcs"
+if test "x$ac_cv_func_mbsnrtowcs" = x""yes; then :
+  $as_echo "#define HAVE_MBSNRTOWCS 1" >>confdefs.h
+
+fi
+
 ac_fn_c_check_func "$LINENO" "mbsrtowcs" "ac_cv_func_mbsrtowcs"
 if test "x$ac_cv_func_mbsrtowcs" = x""yes; then :
   $as_echo "#define HAVE_MBSRTOWCS 1" >>confdefs.h
 
 fi
 
-ac_fn_c_check_func "$LINENO" "mbrtowc" "ac_cv_func_mbrtowc"
-if test "x$ac_cv_func_mbrtowc" = x""yes; then :
-  $as_echo "#define HAVE_MBRTOWC 1" >>confdefs.h
+
+
+for ac_func in mbschr
+do :
+  ac_fn_c_check_func "$LINENO" "mbschr" "ac_cv_func_mbschr"
+if test "x$ac_cv_func_mbschr" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_MBSCHR 1
+_ACEOF
+
+else
+  case " $LIBOBJS " in
+  *" $ac_func.$ac_objext "* ) ;;
+  *) LIBOBJS="$LIBOBJS $ac_func.$ac_objext"
+ ;;
+esac
 
 fi
+done
 
-ac_fn_c_check_func "$LINENO" "mbrlen" "ac_cv_func_mbrlen"
-if test "x$ac_cv_func_mbrlen" = x""yes; then :
-  $as_echo "#define HAVE_MBRLEN 1" >>confdefs.h
+
+
+ac_fn_c_check_func "$LINENO" "wcrtomb" "ac_cv_func_wcrtomb"
+if test "x$ac_cv_func_wcrtomb" = x""yes; then :
+  $as_echo "#define HAVE_WCRTOMB 1" >>confdefs.h
 
 fi
 
-ac_fn_c_check_func "$LINENO" "wctomb" "ac_cv_func_wctomb"
-if test "x$ac_cv_func_wctomb" = x""yes; then :
-  $as_echo "#define HAVE_WCTOMB 1" >>confdefs.h
+ac_fn_c_check_func "$LINENO" "wcscoll" "ac_cv_func_wcscoll"
+if test "x$ac_cv_func_wcscoll" = x""yes; then :
+  $as_echo "#define HAVE_WCSCOLL 1" >>confdefs.h
+
+fi
+
+ac_fn_c_check_func "$LINENO" "wcsdup" "ac_cv_func_wcsdup"
+if test "x$ac_cv_func_wcsdup" = x""yes; then :
+  $as_echo "#define HAVE_WCSDUP 1" >>confdefs.h
 
 fi
 
@@ -5668,55 +5958,89 @@ if test "x$ac_cv_func_wcwidth" = x""yes; then :
 
 fi
 
-ac_fn_c_check_func "$LINENO" "wcsdup" "ac_cv_func_wcsdup"
-if test "x$ac_cv_func_wcsdup" = x""yes; then :
-  $as_echo "#define HAVE_WCSDUP 1" >>confdefs.h
+ac_fn_c_check_func "$LINENO" "wctype" "ac_cv_func_wctype"
+if test "x$ac_cv_func_wctype" = x""yes; then :
+  $as_echo "#define HAVE_WCTYPE 1" >>confdefs.h
 
 fi
 
 
-if test "$ac_cv_func_wcwidth" = no && test "$ac_cv_header_wchar_h" = yes; then
-  WCWIDTH_OBJ=wcwidth.o
+for ac_func in wcswidth
+do :
+  ac_fn_c_check_func "$LINENO" "wcswidth" "ac_cv_func_wcswidth"
+if test "x$ac_cv_func_wcswidth" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_WCSWIDTH 1
+_ACEOF
+
 else
-  WCWIDTH_OBJ=
+  case " $LIBOBJS " in
+  *" $ac_func.$ac_objext "* ) ;;
+  *) LIBOBJS="$LIBOBJS $ac_func.$ac_objext"
+ ;;
+esac
+
 fi
+done
+
+
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for mbstate_t" >&5
-$as_echo_n "checking for mbstate_t... " >&6; }
-if test "${bash_cv_have_mbstate_t+set}" = set; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether mbrtowc and mbstate_t are properly declared" >&5
+$as_echo_n "checking whether mbrtowc and mbstate_t are properly declared... " >&6; }
+if test "${ac_cv_func_mbrtowc+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-
 #include <wchar.h>
 int
 main ()
 {
-
-  mbstate_t ps;
-  mbstate_t *psp;
-  psp = (mbstate_t *)0;
-
+wchar_t wc;
+	      char const s[] = "";
+	      size_t n = 1;
+	      mbstate_t state;
+	      return ! (sizeof state && (mbrtowc) (&wc, s, n, &state));
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  bash_cv_have_mbstate_t=yes
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_func_mbrtowc=yes
 else
-  bash_cv_have_mbstate_t=no
+  ac_cv_func_mbrtowc=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $bash_cv_have_mbstate_t" >&5
-$as_echo "$bash_cv_have_mbstate_t" >&6; }
-if test $bash_cv_have_mbstate_t = yes; then
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_mbrtowc" >&5
+$as_echo "$ac_cv_func_mbrtowc" >&6; }
+  if test $ac_cv_func_mbrtowc = yes; then
+
+$as_echo "#define HAVE_MBRTOWC 1" >>confdefs.h
+
+  fi
+
+if test $ac_cv_func_mbrtowc = yes; then
 	$as_echo "#define HAVE_MBSTATE_T 1" >>confdefs.h
 
 fi
 
+for ac_func in iswlower iswupper towlower towupper iswctype
+do :
+  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
+eval as_val=\$$as_ac_var
+   if test "x$as_val" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+done
+
+
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for nl_langinfo and CODESET" >&5
 $as_echo_n "checking for nl_langinfo and CODESET... " >&6; }
 if test "${bash_cv_langinfo_codeset+set}" = set; then :
@@ -5748,6 +6072,126 @@ if test $bash_cv_langinfo_codeset = yes; then
 
 fi
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for wchar_t in wchar.h" >&5
+$as_echo_n "checking for wchar_t in wchar.h... " >&6; }
+if test "${bash_cv_type_wchar_t+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <wchar.h>
+
+int
+main ()
+{
+
+        wchar_t foo;
+        foo = 0;
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  bash_cv_type_wchar_t=yes
+else
+  bash_cv_type_wchar_t=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $bash_cv_type_wchar_t" >&5
+$as_echo "$bash_cv_type_wchar_t" >&6; }
+if test $bash_cv_type_wchar_t = yes; then
+
+$as_echo "#define HAVE_WCHAR_T 1" >>confdefs.h
+
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for wctype_t in wctype.h" >&5
+$as_echo_n "checking for wctype_t in wctype.h... " >&6; }
+if test "${bash_cv_type_wctype_t+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <wctype.h>
+int
+main ()
+{
+
+        wctype_t foo;
+        foo = 0;
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  bash_cv_type_wctype_t=yes
+else
+  bash_cv_type_wctype_t=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $bash_cv_type_wctype_t" >&5
+$as_echo "$bash_cv_type_wctype_t" >&6; }
+if test $bash_cv_type_wctype_t = yes; then
+
+$as_echo "#define HAVE_WCTYPE_T 1" >>confdefs.h
+
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for wint_t in wctype.h" >&5
+$as_echo_n "checking for wint_t in wctype.h... " >&6; }
+if test "${bash_cv_type_wint_t+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <wctype.h>
+int
+main ()
+{
+
+        wint_t foo;
+        foo = 0;
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  bash_cv_type_wint_t=yes
+else
+  bash_cv_type_wint_t=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $bash_cv_type_wint_t" >&5
+$as_echo "$bash_cv_type_wint_t" >&6; }
+if test $bash_cv_type_wint_t = yes; then
+
+$as_echo "#define HAVE_WINT_T 1" >>confdefs.h
+
+fi
+
+if test "$am_cv_func_iconv" = yes; then
+	OLDLIBS="$LIBS"
+	LIBS="$LIBS $LIBICONV"
+	for ac_func in locale_charset
+do :
+  ac_fn_c_check_func "$LINENO" "locale_charset" "ac_cv_func_locale_charset"
+if test "x$ac_cv_func_locale_charset" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_LOCALE_CHARSET 1
+_ACEOF
+
+fi
+done
+
+	LIBS="$OLDLIBS"
+fi
+
 
 
 case "$host_cpu" in
@@ -6357,7 +6801,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by readline $as_me 5.1-release, which was
+This file was extended by readline $as_me 6.2, which was
 generated by GNU Autoconf 2.64.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -6421,7 +6865,7 @@ Report bugs to <bug-readline@gnu.org>."
 _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_version="\\
-readline config.status 5.1-release
+readline config.status 6.2
 configured by $0, generated by GNU Autoconf 2.64,
   with options \\"`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`\\"