[root@bsd /usr/ports/multimedia/mplayer]# make      
N - O - T - E

There are some knobs which *can* *not* be selected via the
OPTIONS framework. You might want to check the Makefile in
order to learn more about them.
If you want to use the GUI, you can either install
/usr/ports/multimedia/mplayer-skins
or download official skin collections from
http://www.mplayerhq.hu/homepage/dload.html
===>  Vulnerability check disabled, database not found
===>  Found saved configuration for mplayer-0.99.10_3
=> MPlayer-1.0rc1.tar.bz2 doesn't seem to exist in /usr/ports/distfiles/.
=> Attempting to fetch from http://www1.mplayerhq.hu/MPlayer/releases/.
MPlayer-1.0rc1.tar.bz2                        100% of 8217 kB   16 kBps 00m00s
=> asmrules_fix_20061231.diff doesn't seem to exist in /usr/ports/distfiles/.
=> Attempting to fetch from http://www.mplayerhq.hu/MPlayer/patches/.
asmrules_fix_20061231.diff                    100% of 1450  B 5999 kBps
===>  Extracting for mplayer-0.99.10_3
=> MD5 Checksum OK for MPlayer-1.0rc1.tar.bz2.
=> SHA256 Checksum OK for MPlayer-1.0rc1.tar.bz2.
=> MD5 Checksum OK for asmrules_fix_20061231.diff.
=> SHA256 Checksum OK for asmrules_fix_20061231.diff.
===>  Patching for mplayer-0.99.10_3
===>  Applying distribution patches for mplayer-0.99.10_3
===>  Applying FreeBSD patches for mplayer-0.99.10_3
===>   mplayer-0.99.10_3 depends on file: /usr/local/modules/rtc.ko - not found
===>    Verifying install for /usr/local/modules/rtc.ko in /usr/ports/emulators/rtc
===>  rtc-2004.02.24.1_8 needs kernel source files.
*** Error code 1

Stop in /usr/ports/emulators/rtc.
*** Error code 1

Stop in /usr/ports/multimedia/mplayer.