This is present in the libjpeg-turbo8-progs in precise.
tgall@mars:~$ jpegtran -optimize -arithmetic libjpeg8/testimages/nightshot_iso_100_444_Q95.jpg > out.jpg Requested feature was omitted at compile time
This is present in the libjpeg- turbo8- progs in precise.
tgall@mars:~$ jpegtran -optimize -arithmetic libjpeg8/ testimages/ nightshot_ iso_100_ 444_Q95. jpg > out.jpg
Requested feature was omitted at compile time