[Bug 7374] New: the installer overwrites the PATH environment variable

http://www.gwydiondylan.org/cgi-bin/bugzilla/show_bug.cgi?id=7374

           Summary: the installer overwrites the PATH environment variable
           Product: OpenDylan
           Version: OD 1.0 beta 4
          Platform: PC
        OS/Version: Windows
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Win32/General
        AssignedTo: housel <at> acm.org
        ReportedBy: matthew72 <at> tiscali.it
                CC: gd-chatter <at> gwydiondylan.org

the installer overwrites the PATH environment variable, leaving only the folder
where open dylan have been installed. 

the uninstaller fails to restore the original contents, leaving it completely
empty.

as a result (system-wide problems aside) compilation in open dylan aborts with
an error message complaining that an executable part of the c compiler can't be
found ("rc.exe" in my case).

btw, i didn't found an option to configure the path to the c compiler used by
open dylan (i could probably tweak the related *.jam file, but i don't think
that's the best way to do it); such an option would make life easier in case
one doesn't want to have a c compiler on the path (a nonsense on unix but not
on windows, where having too many things on the path is likely to cause