Date: Fri, 4 Dec 2009 14:04:43 -0800 (PST) From: Gardner Bell <gbell72@rogers.com> To: APseudoUtopia <apseudoutopia@gmail.com>, Roland Smith <rsmith@xs4all.nl> Cc: FreeBSD Questions <freebsd-questions@freebsd.org> Subject: Re: Use of COMPAT Kernel Options Message-ID: <481610.50905.qm@web88001.mail.re2.yahoo.com> In-Reply-To: <20091204215231.GA32092@slackbox.xs4all.nl>
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--- On Fri, 12/4/09, Roland Smith <rsmith@xs4all.nl> wrote: > From: Roland Smith <rsmith@xs4all.nl> > Subject: Re: Use of COMPAT Kernel Options > To: "APseudoUtopia" <apseudoutopia@gmail.com> > Cc: "FreeBSD Questions" <freebsd-questions@freebsd.org> > Date: Friday, December 4, 2009, 9:52 PM > On Fri, Dec 04, 2009 at 04:39:59PM > -0500, APseudoUtopia wrote: > > Hello, > > > > I'm working on editing the kernel configuration file > for a custom > > kernel. The system will be running FreeBSD > 8.0-RELEASE-p1. I'm > > wondering about the use of the COMPAT options in the > kernel config. > > COMPAT_43 > > Well, COMPAT_43 one isn't even in GENERIC anymore, so I > guess it is not that > important anymore. > > > COMPAT_43TTY > > This is still in the GENERIC kernel. I'd keep it in > initially. Then build a > kernel without it. If that fails to start the system > properly, you'll always > have a good kernel to fall back on. > > Have a look at what is written under COMPATIBILITY OPTIONS > in /sys/conf/NOTES. > > > COMPAT_FREEBSD[4-7] > > If you do not have binaries from ealier FreeBSD versions > around, you can skip > these. > FWIW, a FreeBSD 8.0 kernel fails to build without COMPAT_FREEBSD7 so I'd keep that.
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