--- configure.orig	2018-04-11 14:28:38 UTC
+++ configure
@@ -18310,8 +18310,8 @@ fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ovs_cv_sphinx" >&5
 $as_echo "$ovs_cv_sphinx" >&6; }
     if test "$ovs_cv_sphinx" = yes; then
-  HAVE_SPHINX_TRUE=
-  HAVE_SPHINX_FALSE='#'
+  HAVE_SPHINX_TRUE='#'
+  HAVE_SPHINX_FALSE=
 else
   HAVE_SPHINX_TRUE='#'
   HAVE_SPHINX_FALSE=