New target porting time estimates?

[Robert Dewar]

> I think that when I was at Cygnus, we usually figured that one
> experienced programmer could do a complete gcc and binutils port for a
> fairly typical processor in three to four months.  This would be a
> person who had already done extensive work on gcc and the binutils,
> and who was working next to and had immediate access to most of the
> top experts on the gcc and binutils code.

Another significant variable is whether you are talking about getting something
working, or producing a smooth, documented, distributable, commercial
product. The latter compared to the former can add a significant factor.