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OpenVMS port of Xscreensavser version 2.10 October 1997
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Xscreensaver distribution can be found in 3 subdirectories:
[.DRIVER] The Xscreensaver and Xscreensaver-command programs.
[.HACKS] Graphic demos ,can be run either through the xscreensaver program
or standalone.
[.UTILS] A small libraries of various utilities.
This port has been tested with VAX VMS 6.1 (compiled with DEC 5 5.0 and
Motif 1.2) and AXP VMS 6.2 (compiled with DEC C 5.0 and Motif 1.2-4).
To rebuild, you need to rebuild [.UTILS] directory first and create the
object library (look at the end of COMPILE*.COM procedure).
You can now build the [.HACKS] directory and the [.DRIVER] directory.
A one-step build is now available via the MAKEVMS.COM script.
WARNING : before building [.HACKS], you may need to correct some of the
DECwindows bitmap files. Some files are bogus !! (they have a long line of
null chars at the end). These files are under
SYS$COMMON:[DECW$INCLUDE.BITMAPS] directory:
STIPPLE.XBM
HLINES2.XBM
LIGHT_GRAY.XBM
ROOT_WEAVES.XBM
VLINES2.XBM
These files are all used by Greynetic demo.
Nota: link procedure automagically select appropriate X and Motif Libraries
(X11R4/Motif 1.1 - X11R5/Motif 1.2).
The SETUP.COM procedure gives you a definition of all DCL foreign command
symbols needed to run Xscreensaver and all the graphic hacks. You need to
modify this procedure if you install these programs in another directory tree.
You can easily add new graphic demos without recompiling Xscreensaver. You just
need to add them in resource file XSCREENSAVER.DAT. This file (originally
present in [.DRIVER] directory ) can be installed under your SYS$LOGIN
directory for a per-user customization basis. You can also install it under
the system-wide user resource directory SYS$COMMON:[DECW$DEFAULT.USER]
(with (W:RE) protections). The new graphics hack must be run in root-window
mode to be accepted by Xscreensaver.
The graphic demos are spawn into subprocess created by the system() call (in
the Unix version the execvp() call is used).
The VMS passord checking programs were picked up in the Xlock distribution.
Enjoy,
Patrick MOREAU - CENA/Athis-Mons - FRANCE (pmoreau@cena.dgac.fr)
(moreau_p@decus.decus.fr)
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