Date: Sat, 30 Jun 2001 09:14:04 +0300
From: "Eli Zaretskii" <eliz AT is DOT elta DOT co DOT il>
Sender: halo1 AT zahav DOT net DOT il
To: Jonathon Merz <jmerz42 AT earthlink DOT net>
Message-Id: <2593-Sat30Jun2001091404+0300-eliz@is.elta.co.il>
X-Mailer: Emacs 20.6 (via feedmail 8.3.emacs20_6 I) and Blat ver 1.8.9
CC: djgpp AT delorie DOT com
In-reply-to: <3B3CD4FB.2050300@earthlink.net> (message from Jonathon Merz on
	Fri, 29 Jun 2001 14:20:27 -0500)
Subject: Re: Incorrect resolution of COMSPEC environment variable on WinNT
References: <3B3CADA3 DOT 4000506 AT earthlink DOT net> <6923-Fri29Jun2001215309+0300-eliz AT is DOT elta DOT co DOT il> <3B3CD4FB DOT 2050300 AT earthlink DOT net>
Reply-To: djgpp AT delorie DOT com
Errors-To: nobody AT delorie DOT com
X-Mailing-List: djgpp AT delorie DOT com
X-Unsubscribes-To: listserv AT delorie DOT com
Precedence: bulk

> Date: Fri, 29 Jun 2001 14:20:27 -0500
> From: Jonathon Merz <jmerz42 AT earthlink DOT net>
> 
> with most of the compiler platforms Vim builds on, we can make the
> line system("start /wait regedit ..."), so that the installer does
> not regain control until regedit has finished, then we can delete
> the file.  That works fine on Win9x, ME, and 2000, where there is a
> start.exe executable that does that.  On WinNT, though, it turns out
> that start is a shell built-in for cmd.exe, but is not in
> command.com, thus the trouble.

Well, you could use __dosexec_find_on_path to see if cmd.exe is
somewhere on the PATH, then invoke cmd.exe explicitly:

   system ("cmd.exe /c start /wait regedit ...");