Re: OpenStep: Advice Needed

[Pascal Bourguignon]

> Thanks for your comments. If found 2 Mach projects:
> 
> - mach4 (http://www.cs.utah.edu/flux/oldproj.html)
>   This project is no longer alive according to the homepage.
> 
> - xMach (http://www.xmach.org/)
>   This one is alive and based on mach4 (as the faq says)
> 
> However, the xMach homepage looks to me as if xMach is not
> stable yet, so I guess that the mach4 project is the one I
> should use for the OpenStep system ? I also read about OSF
> Mach...
> 
> Can you give me a url of the Mach I need for OpenStep on
> Intel?


OPENSTEP 4.2  includes and is  based on a  Mach 2.5 \ BSD  4.3 system,
like the various versions of  NeXTSTEP. You don't need a separate Mach
OS. I  even doubt the higher  layers (binaries) of  OPENSTEP 4.2 would
work with a different base system. 




> Pascal Bourguignon wrote:
> 
> > Richard van Paasen <rvpaasen@dds.nl> wrote:
> > > [...]
> > > Consequently, I need a machine that runs OpenStep 4.2. But,
> > > I'm not sure about what I need to run it. If I'm right,
> > > OpenStep is available for:
> > >
> > >   A) Intel platform, Windows NT 4
> > >   B) Intel platform, Sun Solaris (6,7,8?)
> > >   C) Sun Sparc, Solaris (6,7,8?)
> > >   D) The Mach thing too, but I don't know that stuff
> >
> > > I've two questions:
> > >
> > > 1)
> > > Which is the best option for porting to OpenStep? Keeping in mind
> > > that I need to port to Intel/Linux/GNUstep too, I'd guess that the
> > > second option (Intel+Solaris) would be the way to go. This way, the
> > > three platforms will all be unix-like. However, I'm new at this so
> > > please correct me if I'm wrong!
> >
> > Using an original  NeXTstation or a NeXTcube would  feel somewhat slow
> > today. Therefore, the best option would be:
> >
> >     E) Intel platform, "native" OPENSTEP 4.2, that is, OPENSTEP/Mach.
> >
> > I'm don't  think that OpenStep/Solaris or  OpenStep/WindowsNT have the
> > tools to  convert NeXTSTEP applications  to OpenStep. I  don't remeber
> > that OpenStep/Solaris was available on Solaris/Intel either (B).
> >
> > When building  an Intel (or  AMD) platform for OPENSTEP,  special care
> > should be taken to choose compatible devices.
> >
> > Once upon  a time, there was  this NeXTanswers giving  details, but it
> > seems that www.next.com don't answer anymore.
> >
> > http://www.next.com/NeXTanswers/HTMLFiles/2001.htmld/2001.html
> >
> > Another possibility  too, would be to  use WMware 3.0,  I've head that
> > it's possible to make OPENSTEP 4.2 run on it (unsupported).
> >
> > > 2)
> > > Where can I buy OpenStep 4.2?
> >
> > http://www.blackholeinc.com/specials/openstep42_order.shtml


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