> > Trinity Package Build Requirements
> > 
> > =====================================
> > Common Expected System Dependencies
> > =====================================
> > cups
> > pcre
> > libxml2
> > libxslt
> > dbus-python
> > libpng
> > poppler rebuilt with Qt3 support
> > ruby
> > wv2
> 
> This is really tricky if you want to be complete. 
> What about xorg, gcc, binutils, and make?  What
> assumptions are you making?
> 
> Also gtk+1, ghostview, doxygen...
> 
> It's really quite non-trivial.

With reference to Trinity. :) For example, building kprinter is useless unless cups is installed. Many distro maintainers no longer build poppler with Qt3 support. Amarok breaks unless ruby is installed while building. Etc. No need to get carried away with this list. :)

Darrell