problem building dev/e1000

[Ian Lepore]

On Fri, 2019-02-15 at 10:53 -0800, Enji Cooper wrote:
> > On Feb 15, 2019, at 10:46, Eric Joyner <erj at freebsd.org> wrote:
> > 
> > ifdi_if.h is a system generated interface file that network drivers
> > that depend on iflib use. It's generated from ifdi_if.m in sys/net.
> > 
> > My guess is that you don't have "device iflib" defined in your
> > kernel configuration. em(4) depends on iflib in FreeBSD 12/13, and
> > with r343617, iflib is now explicitly a module that needs to be
> > included in your kernel config if you want to use a driver that
> > depends on it. It's already in the GENERIC kernel for amd64; are
> > you using a kernel config file that doesn't inherit from GENERIC?
> 
> HO Eric!
> 
> iflib was a recently added requirement on stable/12 IIRC..?
> 
> Does the manpage note this dependency, and is there an UPDATING entry
> for this change?
> 
> Thanks!
> -Enji
> 

My question would be: why? If some drivers have a new dependency on
iflib, why isn't that expressed in sys/conf/files and handled
automatically?

-- Ian