!!! ERROR: dev-python/pyopengl-2.0.0.44 failed.
Call stack:
  ebuild.sh, line 1539:   Called dyn_unpack
  ebuild.sh, line 711:   Called src_unpack
  pyopengl-2.0.0.44.ebuild, line 36:   Called built_with_use 'dev-lang/python' 'tk'
  eutils.eclass, line 1714:   Called die

!!! dev-lang/python-2.4.3-r1 does not actually support the tk USE flag!
!!! If you need support, post the topmost build error, and the call stack if relevant.