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Date: -- (:)
From: Igor Pechtchanski <pechtcha@c...>
Subject: Re: [Caml-list] tuareg,_windows,_cygwin_and_startxwin.bat
On Thu, 24 Feb 2005, matthieu.dubuget wrote:

> Hello.
>
> I use Ocaml (MSVC version) on windows XP Pro.
> I experienced a strange behaviour of tuareg's
> tuareg-run-ocaml command, depending on the way I call cygwin
> and emacs. If anybody knows the reason of this behaviour, I
> would be interested for an explanation.
>
> When I call a toplevel this way, everything works ok :
> - run cygwin
> - startx
> - run emacs from xterm
> - launch toplevel with the tuareg-run-caml command
>
> When I work this way (I prefer this way, because it is
> simpler, and do not leave an unused opened cygwin terminal):
> - run xwindows directly with startxwin.bat script
> - run emacs from xterm
> - launch toplevel with the tuareg-run-caml command
>
>     -> the toplevels runs in a separate windows which is
> annoying, because I then lack the power of emacs...
>
> - If I launch a customized toplevel of mine, it runs as
> usual inside the *caml-toplevel* buffer
>
> Any idea ?

Matthieu,

Cygwin uses something called "ptys", which are pseudo-terminals
implemented with pipes.  Some Windows applications don't understand those,
so think they're running without a console, and allocate their own.  There
was some work on fixing this -- see the Cygwin mailing list archives for
details, but I don't think there's a definitive resolution.

You most likely run Cygwin's emacs, which creates ptys.  You could try
using non-Cygwin xemacs (I don't know if it speaks X -- I don't use
emacs).

That said, why not use the Cygwin version of O'Caml that does understand
ptys?

Igor Pechtchanski, the volunteer O'Caml maintainer for Cygwin
-- 
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