It was my failure. distinfo file has no checksum, and distfile stored on my host was too old. > I cannot build biology/platon on my hosts. > Precise report has been sent to PR: > http://www.freebsd.org/cgi/query-pr.cgi?pr=108105 , > but no one reproduce the same trouble. --- Tsurutani Naoki turutani at scphys.kyoto-u.ac.jp