non ce l'ho proprio quella libreria e se provo ad installarla mifa questo lavoro:

emerge media-libs/glut

ma mi da questo errore:
i686-pc-linux-gnu-gcc -shared .libs/glut_8x13.o .libs/glut_9x15.o .libs/glut_bitmap.o .libs/glut_bwidth.o .libs/glut_cindex.o .libs/glut_cmap.o .libs/glut_cursor.o .libs/glut_dials.o .libs/glut_dstr.o .libs/glut_event.o .libs/glut_ext.o .libs/glut_fbc.o .libs/glut_fullscrn.o .libs/glut_gamemode.o .libs/glut_get.o .libs/glut_glxext.o .libs/glut_hel10.o .libs/glut_hel12.o .libs/glut_hel18.o .libs/glut_init.o .libs/glut_input.o .libs/glut_joy.o .libs/glut_key.o .libs/glut_keyctrl.o .libs/glut_keyup.o .libs/glut_menu.o .libs/glut_menu2.o .libs/glut_mesa.o .libs/glut_modifier.o .libs/glut_mroman.o .libs/glut_overlay.o .libs/glut_roman.o .libs/glut_shapes.o .libs/glut_space.o .libs/glut_stroke.o .libs/glut_swap.o .libs/glut_swidth.o .libs/glut_tablet.o .libs/glut_teapot.o .libs/glut_tr10.o .libs/glut_tr24.o .libs/glut_util.o .libs/glut_vidresize.o .libs/glut_warp.o .libs/glut_win.o .libs/glut_winmisc.o .libs/layerutil.o -L/var/tmp/portage/glut-3.7.1/work/Mesa-5.0/si-glu -lGLU /usr/lib/libSM.so -L/usr/lib /usr/lib/libICE.so /usr/lib/libXmu.so /usr/lib/libXext.so /usr/lib/libXi.so /usr/lib/libX11.so -march=pentium4 -mtune=pentium4 -malign-loops=2 -malign-jumps=2 -malign-functions=2 -Wl,-soname -Wl,libglut.so.3 -o .libs/libglut.so.3.7.1
/usr/lib/gcc/i686-pc-linux-gnu/3.4.6/../../../../i686-pc-linux-gnu/bin/ld: cannot find -lGLU
collect2: ld returned 1 exit status
make: *** [libglut.la] Error 1

!!! ERROR: media-libs/glut-3.7.1 failed.
Call stack:
ebuild.sh, line 1539: Called dyn_compile
ebuild.sh, line 939: Called src_compile
glut-3.7.1.ebuild, line 35: Called die

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