On Fri, 05 Mar 2010 18:04:34 +0200, Daniel Stone said: > So you're saying that there's no way to develop any reasonable body of > code for the Linux kernel without committing to keeping your ABI > absolutely rock-solid stable for eternity, no exceptions, ever? Cool, > that worked really well for Xlib. Amen to that. I can remember the X10.4->X11 conversion in 1987. And a heck of a lot of source-level stability since then (even with the libX11 getting redone with libxcb under it. 23 years and still going strong is one hell of a good run for an ABI.