Original source can be downloaded from:
http://people.freebsd.org/~kientzle/libarchive/src/

cvs import hint:
cvs import src/contrib/libarchive-2 LIBARCHIVE v2_?_?

A list of deleted files is in README.DELETED.

This source is used in:
	lib/libarchive
	usr.bin/tar

Remember to update the version string in tar's Makefile.