* Get rid of the debian-changes-* patch introduced by mistake in the previous upload. * Forbid generation of the single debian patch by adding abort-on-upstream-changes to debian/source/local-options. * Add unapply-patches to debian/source/local-options. * Merge Ubuntu patches; - ubuntu_as_needed_fix.diff (with small tweak) to upstream_improve_Makefile.diff; - ubuntu_missing_open_arg.diff (with tweak) to upstream_portable_testsuite.diff. * Fix relative path recognition as per IEEE Std 1003.1 Shell Command Language Specification, chapter 2.9. (Closes: #606157) * Remove config.h in distclean target (upstream_basic_autoconf.diff modified).