Re: HEADS UP: caution required with updates using custom kernels

On Sat, Jun 25, 2016 at 05:35:31PM +0200, Tijl Coosemans wrote:
> On Sat, 25 Jun 2016 18:26:45 +0300 Konstantin Belousov <kostikbel_at_gmail.com> wrote:
> > On Sat, Jun 25, 2016 at 05:17:14PM +0200, O. Hartmann wrote:
> >> Is there a way to salvage the situation without relying on "customized"
> >> third party kernels?
> >> 
> >> I usually use /bin/csh - so this might be of use.
> > 
> > You need either kernel with COMPAT_FREEBSD10, or simpler, newer libc.
> > You could take that libc anywhere, e.g. from the ALPHA5 binaries recently
> > uploaded.  There is no way to fix build with the combination of bits you
> > have at present self-hosting.
> 
> Can't he boot kernel.old?

Presumably this was tried.

BTW, this situation is a stellar argument to finally switch toolchain
to dynamic linking.  For dynamically-linked make, LD_PRELOADing a
dso like this would solve the problem

int
pipe(int[] fds)
{
	return (pipe2(fds, 0));
}