Windows XP oz popup: "Mozart Fatal Error Cannot find GNU Emacs or XEmacs.", though Emacs is installed and in PATH

[mcandre]

The ozc compiler and emacs work fine on my Windows machine, but when I try to run oz, I get a popup.

Trace:

C:\> oz
(popup)
Mozart Fatal Error

Cannot find GNU Emacs or XEmacs.

Screenshot:

System:

I regularly use Emacs in Windows; emacs and runemacs are in %PATH%.

$ specs oz emacs os
Specs:

specs 0.3
https://github.com/mcandre/specs#readme

ozc -v
Mozart Compiler 1.4.0 (20080703) playing Oz 3

%******************** command line option error *****************
%**
%** no input files given
%**
%** Hint: Use --help to obtain usage information

emacs --version
GNU Emacs 24.2.1
Copyright (C) 2012 Free Software Foundation, Inc.
GNU Emacs comes with ABSOLUTELY NO WARRANTY.
You may redistribute copies of Emacs
under the terms of the GNU General Public License.
For more information about these matters, see the file named COPYING.

systeminfo | findstr /B /C:"OS Name" /C:"OS Version"
OS Name:                   Microsoft Windows XP Professional
OS Version:                5.1.2600 Service Pack 3 Build 2600

[sjmackenzie]

You need to set the OZEMACS environment variable. (Memory serving correctly)

[mcandre]

Thank you. OZEMACS=runemacs.exe fixed this for me. :)

• Could we improve this error message by adding a clause, Please set an OZEMACS environment variable to an Emacs executable file name ?
• Could we have the Windows installer set this automatically? Or at least prompt for this?

[sjmackenzie]

Well there isn't a mozart2 windows installer yet. I'm not sure if windows installers can do this as I recall having to set Java environmental variables all integrated time.

[sjrd]

Windows installers can do this. It is a builtin feature of all setup "makers". We should certainly do this for the mozart2 Windows installer.

[mcandre]

Yes, Windows installers can do this!

I made a simple Emacs installer that added PATH: https://github.com/mcandre/emacs-win

This installer was created with Advanced Installer, but other popular installer-creators have the same feature.

[sjmackenzie]

wow excellent! do you think it's possible to extend that to the mozart2 package? There is an issue open for this very thing!