更新

tmux-1.4_2                          <   needs updating (port has 1.4_3)

これが8.2-RELEASEに間に合っていればなあ。とりあえず、newsyslog.confのflagsのJをXに変えればbzip2からxzに変わってくれるっぽい。

+const struct compress_types compress_type[COMPRESS_TYPES] = {
+	{ "", "", "" },					/* no compression */
+	{ "Z", COMPRESS_SUFFIX_GZ, _PATH_GZIP },	/* gzip compression */
+	{ "J", COMPRESS_SUFFIX_BZ2, _PATH_BZIP2 },	/* bzip2 compression */
+	{ "X", COMPRESS_SUFFIX_XZ, _PATH_XZ }		/* xz compression */
+};