On Saturday 23 March 2002 8:59 am, Masao Uebayashi wrote:
> Given a buildlink.mk, "buildlink" tries to know the place of the
> source files (installed library files) relying on the information just
> got at the time the "make" is invoked.  In other words, "buildlink"
> assumes that {,X11}PREFIX have never changed since the package was
> installed.
> 
> This scheme obviously breaks if an user installs xpkgwedge after
> installing some non-xpkgwedge'ed X-packages, or changes PREFIX
> somewhere else than previous.

This is a bad idea even without buildlink. I think some words went into 
Packages.txt to explain why.

Nick