After posting this message, I finally found the explanation: http://cygwin.com/ml/cygwin/2002-02/msg00947.html
Alan --On Tuesday, April 02, 2002 2:43 PM -0500 Alan Dobkin <[EMAIL PROTECTED]> wrote: > In my case, I had all the required packages installed (at > least according to the setup program), but somehow the actual > contents of the libreadline packages never got installed on > my system. In other words, the latest libreadline4 and 5 > entries existed in /etc/setup/installed.db, and the files > libreadline[45].lst.gz existed in /etc/setup, but the files > /usr/bin/cyghistory[45].dll and /usr/bin/cygreadline[45].dll > did not exist. The only way I can imagine this happened is > due to a bug (possibly fixed by now) in setup.exe, as that > is the only method I've used to install cygwin packages on > my system. In any case, the solution was to reinstall them. > > I also wrote a quick little shell script to make sure I wasn't > missing any other files that were supposedly already installed. > It can be summed up with the following one-liner command: > > cd / && ls `zcat /etc/setup/*.gz | grep -v etc/postinstall` >/dev/null > > This will print out "No such file or directory" errors for each > file that is supposedly installed but doesn't actually exist. > > Alan -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Bug reporting: http://cygwin.com/bugs.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/