diff --git a/configure b/configure
index a0f2ba21b6b..7758d78914d 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
 #! /bin/sh
-# From configure.in Revision: 1.353 .
+# From configure.in Revision: 1.354 .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.53.
 #
@@ -901,7 +901,7 @@ esac
 # Don't blindly perform a `cd "$ac_dir"/$ac_foo && pwd` since $ac_foo can be
 # absolute.
 ac_abs_builddir=`cd "$ac_dir" && cd $ac_builddir && pwd`
-ac_abs_top_builddir=`cd "$ac_dir" && cd $ac_top_builddir && pwd`
+ac_abs_top_builddir=`cd "$ac_dir" && cd ${ac_top_builddir}. && pwd`
 ac_abs_srcdir=`cd "$ac_dir" && cd $ac_srcdir && pwd`
 ac_abs_top_srcdir=`cd "$ac_dir" && cd $ac_top_srcdir && pwd`
 
@@ -3888,6 +3888,7 @@ fi
 
 
 
+
 
 
 for ac_header in dlfcn.h fcntl.h grp.h limits.h langinfo.h \
@@ -3895,7 +3896,7 @@ libintl.h locale.h ncurses.h poll.h pthread.h \
 signal.h stdarg.h stddef.h stdlib.h thread.h unistd.h utime.h termios.h \
 sys/audioio.h sys/file.h sys/lock.h sys/mkdev.h sys/modem.h \
 sys/param.h sys/poll.h sys/select.h sys/socket.h sys/time.h sys/times.h \
-sys/un.h sys/utsname.h sys/wait.h pty.h term.h libutil.h \
+sys/un.h sys/utsname.h sys/wait.h pty.h term.h wctype.h libutil.h \
 sys/resource.h netpacket/packet.h
 do
 as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
@@ -16841,7 +16842,7 @@ esac
 # Don't blindly perform a `cd "$ac_dir"/$ac_foo && pwd` since $ac_foo can be
 # absolute.
 ac_abs_builddir=`cd "$ac_dir" && cd $ac_builddir && pwd`
-ac_abs_top_builddir=`cd "$ac_dir" && cd $ac_top_builddir && pwd`
+ac_abs_top_builddir=`cd "$ac_dir" && cd ${ac_top_builddir}. && pwd`
 ac_abs_srcdir=`cd "$ac_dir" && cd $ac_srcdir && pwd`
 ac_abs_top_srcdir=`cd "$ac_dir" && cd $ac_top_srcdir && pwd`
 
diff --git a/configure.in b/configure.in
index 80c4e54751f..4f4f03afe48 100644
--- a/configure.in
+++ b/configure.in
@@ -618,7 +618,7 @@ libintl.h locale.h ncurses.h poll.h pthread.h \
 signal.h stdarg.h stddef.h stdlib.h thread.h unistd.h utime.h termios.h \
 sys/audioio.h sys/file.h sys/lock.h sys/mkdev.h sys/modem.h \
 sys/param.h sys/poll.h sys/select.h sys/socket.h sys/time.h sys/times.h \
-sys/un.h sys/utsname.h sys/wait.h pty.h term.h libutil.h \
+sys/un.h sys/utsname.h sys/wait.h pty.h term.h wctype.h libutil.h \
 sys/resource.h netpacket/packet.h)
 AC_HEADER_DIRENT
 
diff --git a/pyconfig.h.in b/pyconfig.h.in
index c41ddda1dbe..903f8d26826 100644
--- a/pyconfig.h.in
+++ b/pyconfig.h.in
@@ -592,6 +592,9 @@
 /* Define if the compiler provides a wchar.h header file. */
 #undef HAVE_WCHAR_H
 
+/* Define to 1 if you have the <wctype.h> header file. */
+#undef HAVE_WCTYPE_H
+
 /* Define to 1 if you have the `_getpty' function. */
 #undef HAVE__GETPTY