option nodynamic

bigdecimal
curses
dbm
digest
digest/md5
digest/rmd160
digest/sha1
digest/sha2
enumerator
etc
fcntl
gdbm
iconv
io/wait
nkf
pty
openssl
racc/cparse
readline
sdbm
socket
stringio
strscan
syck
syslog
tcltklib
tk
zlib
uconv
