>>> Unpacking glew-1.3.3-src.tgz to /var/tmp/portage/glew-1.3.3/work
>>> Source unpacked.
>>> Compiling source in /var/tmp/portage/glew-1.3.3/work/glew ...
 * Applying glew-1.3.3-multilib.patch ...                                 [ ok ]
cc -O2 -march=athlon-xp -pipe -Wall -W -Iinclude  -fPIC  -o src/glew.pic_o -c src/glew.c
ld -shared -soname libGLEW.so.1.3 -o lib/libGLEW.so.1.3.3 src/glew.pic_o -L/usr/X11R6/lib -lXmu -lXi -lGLU -lGL -lXext -lX11
ld: cannot find -lGL
make: *** [lib/libGLEW.so.1.3.3] Error 1

!!! ERROR: media-libs/glew-1.3.3 failed.
Call stack:
  ebuild.sh, line 1539:   Called dyn_compile
  ebuild.sh, line 939:   Called src_compile
  glew-1.3.3.ebuild, line 28:   Called die

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