thanks for the info, jack.
I have a question. It looks fine? This is the ./configure result I don't know well about gem-plugins.
=====
used optional libraries:
font-rendering : FTGL
default font :
image-support
use ImageMagick : yes (Magick++)
use QuickTime : no
use AVFoundation : no
use TIFF : yes
use JPEG : yes
moviefile-support
use PLUGINS : yes
use mpeg : no
use mpeg-3 : no
use QuickTime : no
use AVFoundation :
use aviplay : no
use gmerlin : no
capture-support
use PLUGINS : yes
use v4l : yes (libv4l)
use v4l2 : yes (libv4l)
use ieee1394 : no
use DV : no
use Unicap : yes
use Video-for-WinDOS : no
use QuickTime : no
use AVFoundation : no
======