Что бы это значило?

/.libs/libsmpeg.so /usr/lib/libSDL.so -ldl -lpthread -lm
i686-pc-linux-gnu-gcc: /usr/lib/libGL.so: No such file or directory
make[1]: *** [glmovie] Ошибка 1
make[1]: Leaving directory `/var/tmp/portage/smpeg-0.4.4-r8/work/smpeg-0.4.4'
make: *** [all-recursive] Ошибка 1

!!! ERROR: media-libs/smpeg-0.4.4-r8 failed.
Call stack:
ebuild.sh, line 1539: Called dyn_compile
ebuild.sh, line 939: Called src_compile
smpeg-0.4.4-r8.ebuild, line 65: Called die

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