autogen: test for left-over help macro.

ChangeLog

+2021-01-30  Morten Welinder  <terra@gnome.org>
+
+	* autogen.sh: check that YELP_HELP_INIT has been expanded.
+
 2021-01-28  Morten Welinder  <terra@gnome.org>
 
 	* src/sheet-object-graph.c (gnm_sog_bounds_changed): Make sure to

NEWS

@@ -27,6 +27,7 @@ Morten:
 	* Fix ods import problem with crazy named expressions.  [#557]
 	* Allow plain space as 1000s separator in FR locale.
 	* Fix graph size problem affecting image output.  [#507]
+	* Check for yelp in autogen.  [#558]
 
 --------------------------------------------------------------------------
 Gnumeric 1.12.48

autogen.sh

@@ -54,6 +54,12 @@ xml_file_name='^((schemas|templates)/.+|[^/]+)\.in$|\.(glade|xml)(\.in)?$'
 ) >$srcdir/po-functions/POTFILES.skip
 
 
+if grep '^YELP_HELP_INIT' $srcdir/configure >/dev/null; then
+    echo "It looks like yelp support is not available." 1>&2
+    exit 1
+fi
+
+
 if [ "$NOCONFIGURE" = "" ]; then
         $srcdir/configure "$@" || exit 1