depends libgcrypt

optional_depends attr       "--enable-xattr-mappings" "--disable-xattr-mappings"   "For extended attributes mappings support" y
optional_depends acl        "--enable-posix-acls "    "--disable-posix-acls"       "For POSIX ACL support" n
optional_depends util-linux "--with-uuid"             "--without-uuid"             "To generate DCE compliant UUIDs" y
optional_depends gnutls     "--enable-crypto"         "--disable-crypto"           "For encrypted disk support"
