$ make clean
rm -f dist/build/bustle-pcap
if test -d -x86_64; then rm -r -x86_64; fi
rm -f -x86_64.tar.bz2
rm: invalid option -- 'x'
This is because TARBALL_DIR is empty. Which is totally fine and I don't expect the "maintainer-binary-tarball" target to work but the clean target should be able to cope with this.
This should do the job. You'll still get some exciting Git output but hey.
(This Makefile is not my finest work.)