Date: Thu, 16 Oct 2025 09:45:02 -0600 From: Warner Losh <imp@bsdimp.com> To: Michael Grimm <trashcan@ellael.org> Cc: Lexi Winter <ivy@freebsd.org>, freebsd-hackers@freebsd.org Subject: Re: multiple kernels with the same world Message-ID: <CANCZdfrt2hK5o80Jd1bTAOVPu_5xmJ3kNpMkHvTHFAPHwXgLHA@mail.gmail.com> In-Reply-To: <04D75F4D-5C17-4D8F-93C1-0BDF5251CBD2@ellael.org> References: <575313120.20251014120303.ref@yahoo.com> <575313120.20251014120303@yahoo.com> <aO4TYzABsCeWqbEW@amaryllis.le-fay.org> <04D75F4D-5C17-4D8F-93C1-0BDF5251CBD2@ellael.org>
next in thread | previous in thread | raw e-mail | index | archive | help
[-- Attachment #1 --] On Thu, Oct 16, 2025 at 9:39 AM Michael Grimm <trashcan@ellael.org> wrote: > Lexi Winter <ivy@FreeBSD.org> wrote: > > Anthony Pankov wrote in <575313120.20251014120303@yahoo.com>: > > >> I wander can I build multiple kernel from the same sources while using > >> once builded world? > >> > >> My aim is to have basepkgs containing different kernels. It would be > >> nice to have FreeBSD-kernel-general-*.pkg, > >> FreeBSD-kernel-virtualmachine-*.pkg etc. in the same base package > >> repository. > > > > % make KERNCONF='GENERIC FOO BAR BAZ' buildworld buildkernel > update-packages > > > > the first kernel listed in KERNCONF will be installed in /boot/kernel, > > the rest will be installed in /boot/kernel.NAME. for consistency, i > > prefer to always build GENERIC as the first kernel, but there's no > > actual requirement to do that. > > Cool. > > Please excuse my ignorance but is there a way to get /boot/kernel.NAME > installed without going via packages? > > I am used to build and install by source. Thus I tried: > > MWN> make KERNCONF='GENERIC CUSTOM' DESTDIR=/tmp/NEW installkernel | & tee > LOG > > MWN> grep '^>>>' LOG > >>> Install check kernel started on Thu Oct 16 17:27:31 CEST 2025 > >>> Installing kernel GENERIC on Thu Oct 16 17:27:31 CEST 2025 > >>> Installing kernel GENERIC completed on Thu Oct 16 17:27:44 CEST 2025 > >>> Install kernel(s) GENERIC completed in 13 seconds, ncpu: 16 > > MWN> ls -al /tmp/NEW/boot | grep kernel > drwxr-xr-x 2 root wheel 717 Oct 16 17:29 kernel > > Only the first kernel found in KERNCONF will be installed, though. > > Is there a way to end up in something like the following? > > tmp/NEW/boot/kernel > tmp/NEW/boot/kernel.GENERIC > > P.S. I tried make KERNCONF='GENERIC CUSTOM' KERNEL='GENERIC CUSTOM' > DESTDIR=/tmp/NEW installkernel > same results as mentioned above > The only way I know is to do them one at a time. The code in Makefile.inc1 treats the first one specially. You'd have to hack it so it doesn't. Warner [-- Attachment #2 --] <div dir="ltr"><div dir="ltr"><br></div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Thu, Oct 16, 2025 at 9:39 AM Michael Grimm <<a href="mailto:trashcan@ellael.org">trashcan@ellael.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Lexi Winter <ivy@FreeBSD.org> wrote:<br> > Anthony Pankov wrote in <<a href="mailto:575313120.20251014120303@yahoo.com" target="_blank">575313120.20251014120303@yahoo.com</a>>:<br> <br> >> I wander can I build multiple kernel from the same sources while using<br> >> once builded world?<br> >> <br> >> My aim is to have basepkgs containing different kernels. It would be<br> >> nice to have FreeBSD-kernel-general-*.pkg,<br> >> FreeBSD-kernel-virtualmachine-*.pkg etc. in the same base package<br> >> repository.<br> > <br> > % make KERNCONF='GENERIC FOO BAR BAZ' buildworld buildkernel update-packages<br> > <br> > the first kernel listed in KERNCONF will be installed in /boot/kernel,<br> > the rest will be installed in /boot/kernel.NAME. for consistency, i<br> > prefer to always build GENERIC as the first kernel, but there's no<br> > actual requirement to do that.<br> <br> Cool. <br> <br> Please excuse my ignorance but is there a way to get /boot/kernel.NAME installed without going via packages?<br> <br> I am used to build and install by source. Thus I tried:<br> <br> MWN> make KERNCONF='GENERIC CUSTOM' DESTDIR=/tmp/NEW installkernel | & tee LOG<br> <br> MWN> grep '^>>>' LOG<br> >>> Install check kernel started on Thu Oct 16 17:27:31 CEST 2025<br> >>> Installing kernel GENERIC on Thu Oct 16 17:27:31 CEST 2025<br> >>> Installing kernel GENERIC completed on Thu Oct 16 17:27:44 CEST 2025<br> >>> Install kernel(s) GENERIC completed in 13 seconds, ncpu: 16<br> <br> MWN> ls -al /tmp/NEW/boot | grep kernel<br> drwxr-xr-x 2 root wheel 717 Oct 16 17:29 kernel<br> <br> Only the first kernel found in KERNCONF will be installed, though.<br> <br> Is there a way to end up in something like the following? <br> <br> tmp/NEW/boot/kernel<br> tmp/NEW/boot/kernel.GENERIC<br> <br> P.S. I tried make KERNCONF='GENERIC CUSTOM' KERNEL='GENERIC CUSTOM' DESTDIR=/tmp/NEW installkernel<br> same results as mentioned above<br></blockquote><div><br></div><div>The only way I know is to do them one at a time. The code in Makefile.inc1 treats the first one specially. You'd have to hack it so it doesn't.</div><div><br></div><div>Warner </div></div></div>
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?CANCZdfrt2hK5o80Jd1bTAOVPu_5xmJ3kNpMkHvTHFAPHwXgLHA>