problem building dev/e1000

[Enji Cooper]

> 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