/usr/lib/libSDL.so: undefined reference to `caca_end'
/usr/lib/libSDL.so: undefined reference to `caca_refresh'
/usr/lib/libSDL.so: undefined reference to `caca_get_width'
/usr/lib/libSDL.so: undefined reference to `caca_draw_bitmap'
/usr/lib/libSDL.so: undefined reference to `caca_init'
/usr/lib/libSDL.so: undefined reference to `caca_get_height'
/usr/lib/libSDL.so: undefined reference to `caca_create_bitmap'
/usr/lib/libSDL.so: undefined reference to `caca_free_bitmap'
collect2: ld returned 1 exit status
make[1]: *** [mpeg2dec] Error 1
make[1]: Leaving directory `/var/tmp/portage/media-libs/libmpeg2-0.4.1/work/mpeg2dec-0.4.1/src'
make: *** [all-recursive] Error 1

!!! ERROR: media-libs/libmpeg2-0.4.1 failed.
Call stack:
  ebuild.sh, line 1568:   Called dyn_compile
  ebuild.sh, line 937:   Called src_compile
  libmpeg2-0.4.1.ebuild, line 62:   Called die

!!! emake failed
!!! If you need support, post the topmost build error, and the call stack if relevant.