Mail Archives: cygwin/2005/03/16/12:22:05
Stefan Bruda said the following on 3/16/2005 8:37 AM:
>I am not at all familiar with Cygwin, so the following are more of
>educated guesses rather than authoritative answers.
>
>At 06:58 -0800 on 2005-3-16 Steve Kelem wrote:
> >
> > I have verified that the above version of prolog.elc is being loaded.
> > When I load a prolog source file, and type C-c C-b, I cannot get a
> > prolog process to run.
> > C:\cygwin\bin\pl is a symbolic link to
> > ../lib/pl-5.2.6/bin/i686-cygwin/pl.exe
>
>I believe that the right executable to run under Windows is plcon.exe,
>not pl.exe.
>
I couldn't find a plcon anywhere.
> This may or may not be the problem, possibly not since
>you are running Prolog from Cygwin. On the other hand, what is the
>.exe suffix doing there?
>
Cygwin is linux on top of Windoze, so the file has to be a Microsoft
.exe file when all's done.
> It is worth trying plcon.exe if this
>exists on your system.
>
>If you just type `pl' (without quotes) at the shell prompt do you get
>the Prolog application up? Do you get a graphical version or a
>console-based version? In the former case, do you get the Windows or
>X interface?
>
>
I get the consol-based-version.
>I am sort of confused about the way your Prolog system is installed
>and what is and what is not in your search path--but then I am not
>familiar with how Cygwin is doing things.
>
>
I ended up uninstalling the cygwin version (5.2.6) of swi prolog, loaded
the version (5.4.7) from http://www.swi-prolog.org/,
and the new one works---in a Cygwin tcsh, in emacs, and from tcsh as a
windows-style window.
>Have you tried to set the EPROLOG environment variable instead of
>setting prolog-program-name? Have you tried following the item 4 of
>instructions at
><http://turing.ubishops.ca/home/bruda/emacs-prolog/install.html>? I
>am not saying that these works, but they are worth a shot.
>
>On the other hand, I do not understand the cause of the error. The
>error message is either misleading or suggests another cause. At
>least on my system I get in the error message a plain text explanation
>of the actual errno (no such file or directory). Your error message
>looks nothing like mine. Could be a different Emacs version, but it
>could also be that the problem is in some other place. Let me know
>what happens with the things I mentioned before (such as launching pl
>as a standalone application).
>
> > ; In Emacs-style path:
> > (setq prolog-program-name "C:/cygwin/bin/pl") Spawining child process:
> > invalid argument.
>
>This should work as far as the path is concerned.
>
> > ; In Windows-style path with unquoted backslashes:
> > (setq prolog-program-name "C:\cygwin\bin\pl") Spawining child process:
> > invalid argument.
>
>This should not work no matter under what system, since backslash has
>special meanings Are you sure you don't get the C:cygwin^Hinpl in this
>one rather than the one below? This is what should have happened.
>
> > ; In Windows-style path with quoted backslashes:
> > (setq prolog-program-name "C:\\cygwin\\bin\\pl") Spawining child
> > process: invalid argument. (prolog-program-name gets set to
> > C:cygwin^Hinpl, so unquoted backslashes are bad.)
>
>See above.
>
>Stefan
>
Thanks for your help,
Steve
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