From:	"John M. Aldrich" <fighteer AT cs DOT com>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: runtime error: "OMPT=: cannot open" when running a program
Date:	Fri, 20 Feb 1998 18:55:27 -0500
Organization:	Two pounds of chaos and a pinch of salt.
Lines:	23
Message-ID:	<34EE17EF.72EC@cs.com>
References:	<6cl2av$3vm AT overload DOT lbl DOT gov>
NNTP-Posting-Host:	ppp231.cs.com
Mime-Version:	1.0
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp

Dr. John Refling wrote:
> 
> I compiled a small program with DJGPP and when I run it, I get the above
> message.  This is being run from a floppy.  I have looked and looked but
> have not found any reference to OMPT anywhere.  Is this related to DJGPP
> or WIn95, or what?!

This is a known bug in MS-DOS that triggers another known bug in the
DJGPP real-mode stub only when you boot your computer without an
'autoexec.bat'.  The cause is a null definition of the PATH environment
variable.  The workaround is to put an 'autoexec.bat' on your floppy
disk, even if it has no instructions in it.

I thought the bug in the stub was corrected in v2.01, but apparently
you'll have to wait for 2.02 to get a more permanent solution.

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|      John M. Aldrich       | "If 'everybody knows' such-and-such, |
|       aka Fighteer I       | then it ain't so, by at least ten    |
|   mailto:fighteer AT cs DOT com   | thousand to one."                    |
| http://www.cs.com/fighteer |                 - Lazarus Long       |
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