Hello, >[1] http://lists.alioth.debian.org/pipermail/debhelper-devel/2017-August/006297.html >[2] http://lists.alioth.debian.org/pipermail/debhelper-devel/2017-August/006303.html >[3] https://wiki.debian.org/Autoreconf >[4] https://bugs.debian.org/870518 thanks for the action points! G.