not at all perfect, because debugging these things is still painful

Change-Id: I88952cac2e01d0c8b49384f0fe05775ffe3add64
Reviewed-on: https://gerrit.libreoffice.org/53449Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>