diff -ru libappindicator-12.10.0.old/docs/reference/Makefile.am libappindicator-12.10.0/docs/reference/Makefile.am
--- libappindicator-12.10.0.old/docs/reference/Makefile.am	2017-06-10 17:37:11.462000000 -0400
+++ libappindicator-12.10.0/docs/reference/Makefile.am	2017-06-10 17:39:32.381000000 -0400
@@ -119,7 +119,8 @@
 gtkdoc-in-srcdir: Makefile.am
 	@echo "#!/bin/sh" > $@
 	@echo "cd \"$(srcdir)\"" >> $@
-	@echo "$(GTKDOC_CHECK)" >> $@
+	@echo "gtkdoc-check" >> $@
 	@chmod +x $@
 DISTCLEANFILES = gtkdoc-in-srcdir
 
+gtkdoc-in-srcdir: libappindicator-undocumented.txt