How to enable Linujx binary compatibility using sysinstall

Hello,

After installing FreeBSD 7.0, I realised I'd forgotten to
choose Linux 
binary compatibility during the install.  I tried installing
from ports, 
but it's gone and installed a load of other unwanted
packages aswell now 
(perl/popt/rpm etc...).

So, a few questions really...

1.
Why does the ports install require all these other packages,
when none 
of these are installed if you remember to select the
"Enable Linux 
binary compatibility" option during install?

2.
If I wanted to install from sysinstall (like during an
installation), 
what do I do to enable Linux binary compatibility, without
reinstalling?

3.
There are 6 Linux binary compatibility packages available,
which is the 
best one to use... fc4-10?

Kind regards,
Steve

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On Tue, 18 Mar 2008 20:17:00 +0000
Stephen Allen <p0036343brookes.ac.uk> wrote:

> Hello,
> 
> After installing FreeBSD 7.0, I realised I'd forgotten
to choose
> Linux binary compatibility during the install.  I tried
installing
> from ports, but it's gone and installed a load of other
unwanted
> packages aswell now (perl/popt/rpm etc...).
> 
> So, a few questions really...
> 
> 1.
> Why does the ports install require all these other
packages, when
> none of these are installed if you remember to select
the "Enable
> Linux binary compatibility" option during
install?

They are dependencies of the particular application, or
linux-base.
"Linux binary compatibility" lets you run a
statically-linked
linux binary. Anything else requires a Linux environment,
and whatever
libraries etc the application needs.  

> 2.
> If I wanted to install from sysinstall (like during an
installation), 
> what do I do to enable Linux binary compatibility,
without
> reinstalling?

I think it's just a matter of adding
linux_enable="YES" to rc.conf.

I also have linux_load="YES" in loader.conf, but I
don't expect it's
necessary, as the former setting should load the kernel
module.


> 3.
> There are 6 Linux binary compatibility packages
available, which is
> the best one to use... fc4-10?

The default will be a dependency of any linux package that
needs it.
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On Tue, 18 Mar 2008 21:46:11 +0000
RW <fbsd06mlists.homeunix.com> wrote:

> > Why does the ports install require all these other
packages, when
> > none of these are installed if you remember to
select the "Enable
> > Linux binary compatibility" option during
install?
> 
> They are dependencies of the particular application, or
linux-base.

I didn't quite get that you were talking about just
installing a
linux-base.

The reason is that sysinstall uses a FreeBSD package, but
the port
installs from whatever the Linux distro uses, in this case
Fedora RPM
packages. The port therefore requires the FreeBSD RPM port
and its
dependencies. 

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