Help!!! Mplayer compilation: a lot of errors during mencoder compiling...

Please, help! Following errors occured compiling mencoder:

gcc -Wundef -Wdisabled-optimization -Wdeclaration-after-statement -std=gnu99 -
Wall -Wno-switch -Wpointer-arith -Wredundant-decls -O4 -march=i486 -mtune=i686 -
pipe -ffast-math -fomit-frame-pointer -DPTW32_STATIC_LIB -D_LARGEFILE_
SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE -I.   -I/home/Eugene/
include -I/home/Eugene/include/ - Ilibdvdread4 -I/home/Eugene/include/freetype2 
-I/home/Eugene/include -I/home/Eugene/include -I/home/Eugene/include   -I/home/
Eugene/include/dirac   -I/home/Eugene/include/schroedinger-1.0 -I/home/
Eugene/include/liboil-0.3    -I/home/Eugene/include  -c -o mencoder.o mencoder.c
In file included from mencoder.c:286:
cfg-mencoder.h:187: warning: initialization discards qualifiers from pointer 
target type

...and so on till:

mencoder.c:1682: error: invalid type argument of `->'
mencoder.c: At top level:
mencoder.c:147: warning: 'max_pts_correction' defined but not used
mencoder.c:148: warning: 'c_total' defined but not used
mencoder.c:175: warning: 'play_n_frames' defined but not used
mencoder.c:277: warning: 'next_edl_record' defined but not used
mencoder.c:278: warning: 'edl_muted' defined but not used
mencoder.c:279: warning: 'edl_seeking' defined but not used
mencoder.c:306: warning: 'parse_cfgfiles' defined but not used
mencoder.c:351: warning: 'exit_sighandler' defined but not used
mencoder.c:356: warning: 'muxer' defined but not used
mencoder.c:362: warning: 'detach_ptw32' defined but not used
make: *** [mencoder.o] Error 1