/** @file tkCanvBezier.c
* This module provides Bezier curve support for canvases.
* John Anderson
tkInt.h tkPort.h and tkCanvas.h hold internal tk
structures which should not be refered to externaly.
This is a very bad practice that breaks builds using
Becouse of tk version mismatch (tk-8.4.9 on my
gnu/linux/gentoo) and internal from brlcad-7.4.2
libtk-8.4.6 linking process breaks on some structure
Gentoo is from source distro, but after installing tk
there is no way to extract tkInt.h tkPort.h and
tkCanvas.h from the source.
Is there any way to get around using the tkInt.h and