> Did you install ming?
yes, i have
ming-0.3.0-i686-1
(on slackware 11)

> SWFMovie_add may be part of ming.
> If you, which directory you installed it?

i compiled ming with --prefix=/usr

> I cannot remember but, maybe you can turn off ming support in
> autotrace explicitly with configure option.

./configure --prefix=/usr --without-ming

i get the same error with this confifgure,so i suppose i can't disable
ming support..