problems installing gnat 3.13p on Windows 2000?

[Steve Vestal <vestal@htc.honeywell.com>]

I'm having trouble installing gnat 3.13p on Windows 2000, and I
haven't been able to find any errata lists by searching.  Any
suggestions would be most welcome.

I had no problems on NT. I'm just trying to install the same version
of gnat, then gnatmake the same application with the same options, on
a new PC.

I had to add the path to the environment variable Path by hand, I
don't remember having to do this for NT.

An install into C:\Program Files\gnat causes errors when gnatmake
runs, but an install into C:\gnu\gnat seems to allow successful
builds.

I still can't get gdb to work, it launches but can't seem to find and
display the source files for the program being debugged. I speculated
this might be due to spaces in paths, but moving everything so paths
are completely POSIX-like doesn't help.

Steve