diff --git a/src/auto/configure b/src/auto/configure
index aea0013..8892042 100755
--- a/src/auto/configure
+++ b/src/auto/configure
Binary files differ
diff --git a/src/configure.in b/src/configure.in
index ff1bd0c..6821417 100644
--- a/src/configure.in
+++ b/src/configure.in
@@ -2952,7 +2952,7 @@
 if test "$enable_multibyte" = "yes"; then
   cflags_save=$CFLAGS
   ldflags_save=$LDFLAGS
-  if test -n "$x_includes" ; then
+  if test "x$x_includes" != "xNONE" ; then
     CFLAGS="$CFLAGS -I$x_includes"
     LDFLAGS="$X_LIBS $LDFLAGS -lX11"
     AC_MSG_CHECKING(whether X_LOCALE needed)
diff --git a/src/version.c b/src/version.c
index e5e1307..0253013 100644
--- a/src/version.c
+++ b/src/version.c
@@ -677,6 +677,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    159,
+/**/
     158,
 /**/
     157,