--- a/tox.ini	Thu Jul 21 15:32:36 2016 +0200
+++ b/tox.ini	Tue Sep 13 17:06:35 2016 +0200
@@ -53,7 +53,10 @@
 deps =
   check-manifest
 commands =
-  check-manifest {toxinidir}
+  check-manifest {toxinidir} \
+# ignore symlinks that are not recognized by check-manifest, see
+# https://github.com/mgedmin/check-manifest/issues/69
+    --ignore cubicweb/devtools/test/data/cubes/i18ntestcube,cubicweb/test/data/legacy_cubes*
 
 [pytest]
 python_files = *test_*.py