depends  e2fsprogs  &&

optional_depends  readline  "--enable-readline"  "--disable-readline"  \
                  "for better command-line functionality in restore"   &&

if [[ "$DUMP_RMT" == "--enable-rmt" ]]; then
  optional_depends  SSL "--enable-ermt"  "--disable-ermt"      \
                    "to build ermt, an encrypting version of rmt"
fi

.