Experimental Physics and
Industrial Control System

"Hammonds, John" <[email protected]> · Wed, 1 Apr 1998 11:29:13 -0600

I don't know if Metrolink's Motif has it but I know that Red Hat's does.
We do have MEDM and stripTool compiled on Linux.

John

> -----Original Message-----
> From:	[email protected]
> [SMTP:[email protected]]
> Sent:	Wednesday, April 01, 1998 10:33 AM
> To:	[email protected]
> Cc:	[email protected]
> Subject:	Re: CA Server and EPICS
> 
> On Tue, 31 Mar 1998, John Sinclair wrote:
> > 
> > On Tue, 31 Mar 1998, Dan Yocum wrote:
> > 
> > > 
> > > John,
> > > 
> > > How did the build go under RH5.0?  Did you get the extensions
> built as well?  
> > > Do you have any notes that might be useful?  
> > > 
> > > For some reason, I can't get the extensions built on my RH4.2
> system and am 
> > > going to try to build the whole thing on a 5.0 to see if I have
> any luck.  
> > > 
> > 
> > The build of base went fine. I have not yet tried to build
> extensions.
> > I need to install motif first.
> > 
> 
> One thing you should be aware of before you buy Motif is that the
> newest
> releases of Metrolink Motif for Linux include an unsupported, but free
> copy of the Xrt packages like XrtGraph.  This means you only have to
> spend
> about $200 to get XrtGraph on Linux rather than the several thousands
> of
> dollars you have to spend to get it on other platforms.
> 
> I have built Medm version 2.3.3 for EPICS 3.13.0 beta 11 under Debian
> Linux 1.3.1 and had very little problem getting it to work.  There was
> only one line in the Medm source that I had to patch, namely:
> 
> *** src/medm/medm/medmComposite.c.orig  Thu Nov  6 12:58:08 1997
> --- src/medm/medm/medmComposite.c       Fri Jan  9 18:34:16 1998
> ***************
> *** 193,201 ****
> --- 193,208 ----
>       clearResourcePaletteEntries();
>       unhighlightSelectedElements();
>       clearDlDisplayList(cdi->selectedDlElementList);
> + #if defined(linux)
> +     /* WML */
> +     if (!(elementPtr = createDlElement(0,NULL,NULL))) {
> +       return 0;
> +     }
> + #else
>       if (!(elementPtr = createDlElement(NULL,NULL,NULL))) {
>         return 0;
>       }
> + #endif
>       elementPtr->structure.element = dlElement;
>       appendDlElement(cdi->selectedDlElementList,elementPtr);
>       highlightSelectedElements();
> 
> The first parameter for createDlElement() is an enum type and GCC
> under Linux gets upset if you pass a NULL to it.  However, if you
> pass it a zero, GCC is happy.
> 
> MRCAT at the Advanced Photon Source has been using Medm under Linux
> for about two months now and almost everything we've tested seems to 
> work correctly.  The only minor anomaly I've seen is that if you click
> on the right mouse button to pop up the little menu that says "Print",
> "Close", etc., the Medm display that you clicked on jumps to the top
> of the stack of windows and hides the popup menu.  This is only a 
> minor nuisance as long as you remember to move your mouse to the far
> right hand side of the Medm display before clicking the right mouse
> button.  Then, most of the popup menu is outside the boundary of the
> main Medm window and isn't hidden anymore.  This behavior happens
> under
> both the FVWM window manager and the FVWM95 window manager.
> 
> One final comment is that you should be sure to use the newest version
> of the Medm source, namely, version 2.3.3.  If you run older versions
> of Medm under the FVWM or FVWM95 window managers, they die with an
> error message like:
> 
> X Error of failed request:  BadAccess (attempt to access private
> resource denied)
>   Major opcode of failed request:  28 (X_GrabButton)
>   Serial number of failed request:  1336
>   Current serial number in output stream:  1338
> 
> But Medm 2.3.3 runs under the FVWM family of window managers just
> fine.
> 
> 
> Bill Lavender
> Illinois Institute of Technology/IMCA-CAT/MRCAT
> [email protected]
> Phone: +1-630-252-0523,  Fax: +1-630-252-0521

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System