GNASH again

so again: feisty, than updated to gutsy.
installed firefox gnash, but youtube videos don't play. gnash 0.8.1

now trying out gnash 0.8.2

./configure:
- install synaptic packages: g++
- errors:

ERROR: No libxml2 development package installed!
or .deb users: apt-get install libxml2-dev

ERROR: No KDE development package installed!
or .deb users: apt-get install kdelibs-dev
now ./configure again

ERROR: GST media handling requested but gstreamer-0.10+ not found
Install it from http://www.gstreamer.net
or .deb users: apt-get install libgstreamer0.10-dev

WARNING: CURL library not found.
or .deb users: apt-get install libcurl3-dev

ERROR: No AGG development package installed!
Install it from http://www.antigrain.com
or .deb users: apt-get install libagg-dev

ERROR: No BOOST development package installed!
Install it from http://www.boost.org
or .deb users: apt-get install libboost-dev libboost-thread-dev

now ./configure again

ERROR: No BOOST development package installed!
Install it from http://www.boost.org
or .deb users: apt-get install libboost-dev libboost-thread-dev

now ./configure again

ERROR: The BOOST date_time library is needed!
Install it from http://boost.org
or .deb users: apt-get install libboost-date-time-dev

now ./configure again

no errors remain

make
- errors:

make[2]: *** [libgnashbase_la-extension.lo] Error 1
make[2]: Leaving directory `gnash-0.8.2llibbase'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `gnash-0.8.2'
make: *** [all] Error 2

I don't know what to do with this.