debian: try to fix build on stretch
# Uncomment this to turn on verbose mode.
#export DH_VERBOSE=1
+# see FEATURE AREAS in dpkg-buildflags(1)
+export DEB_BUILD_MAINT_OPTIONS = reproducible=-timeless
+export DEB_BUILD_OPTIONS = noopt
+
# This has to be exported to make some magic below work.
export DH_OPTIONS
