Log Message:
Update to glut-8.0.1.

Like the graphics/glu update, this makes glut independent of MesaLib.

This is MesaGLUT-7.9.2 base, with patches from FDO git to add autoconf
glue, that brings it to 8.0.1.

pkgsrc change: use libtool instead of glut's "mklib" shellscript.