Re: OSVERSION

On Fri, 04 May 2018 15:39:00 -0600 "Ian Lepore" <ian_at_freebsd.org> said

> On Fri, 2018-05-04 at 15:28 -0600, Alan Somers wrote:
> > On Fri, May 4, 2018 at 2:46 PM, Jeffrey Bouquet 
> > wrote:
> > 
> > > 
> > > 12.0-CURRENT r332797 GENERIC amd64
> > > ..................
> > > make: "/usr/ports/Mk/bsd.port.mk" line 1171: Unable to
> > > determine OS version. Either define OSVERSION, or
> > > install /usr/include/sys/param.h...
> > > ..............................
> > > then , with param.h in place
> > > 
> > > ..............................
> > > port builds, pkgdb -u, and  portsdb -u all fail with:
> > > ..............................
> > > line 1200: UNAME_r (12.0-CURRENT) and OSVERSION (12.0-CURRENT) do not
> > agree
> > > on major version number.
> > > ..........................
> > > Can I set that in sh or tcsh or zsh?
> > > .........................
> > > 
> > Looks like you're running ports in a jail.  The best way to do that is to
> > set OSVERSION in /etc/make.conf.  Some jail managers will even do that for
> > you.  It should look a little like this:
> > 
> >  > cat /etc/make.conf
> > OSVERSION+=1100122
> > UNAME_ENV+=     OSVERSION=${OSVERSION}
> > UNAME_ENV+=     UNAME_s=FreeBSD
> > UNAME_ENV+=     UNAME_r=11.0-RELEASE
> > UNAME_ENV+=     UNAME_v="${UNAME_s} ${UNAME_r}"
> > .MAKEFLAGS:     ${UNAME_ENV}
> > MAKE_ENV+=      ${UNAME_ENV}
> > CONFIGURE_ENV+= ${UNAME_ENV}
> > SCRIPTS_ENV+=   ${UNAME_ENV}
> 
> If you're running a freebsd 11 jail on a freebsd 12 host, the best
> solution is to set osrelease and osreldate in your jail config to
> reflect the 11.x userland you want the jail to implement. Then all the
> values returned by uname and various sysctls will be consistently
> correct within the jail. For example, on a 10.3 host I have a jail:
> 
> fb8 {
>     host.hostname = "${name}.hippie.lan";
>     ip4.addr = 172.22.42.241;
>     persist = true;
>     devfs_ruleset = 100;
>     osrelease="8.4-STABLE";
>     osreldate= 804507;
> }
> 
> -- Ian
+1
I do exactly the same in my jails to better isolate them from the host.
In fact, you can even lie about what (os)version you're using, if you
need to. :-)

--Chris
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