build failure -current, and continues on anyway?

[bch <brad.harder%gmail.com@localhost>]

[...]
--- dependall-usr.bin ---
--- kdump-ioctl.c ---
#    create  kdump/kdump-ioctl.c
AWK=/usr/src/obj/tooldir.NetBSD-7.99.36-amd64/bin/nbawk
CC="/usr/src/obj/tooldir.NetBSD-7.99.36-amd64/bin/x86_64--netbsd-gcc"
DESTDIR="/usr/src/obj/destdir.amd64"
SED=/usr/src/obj/tooldir.NetBSD-7.99.36-amd64/bin/nbsed  /bin/sh
/usr/src/usr.bin/kdump/mkioctls
/usr/src/obj/destdir.amd64/usr/include/altq/altq.h
/usr/src/obj/destdir.amd64/usr/include/altq/altq_afmap.h
/usr/src/obj/destdir.amd64/usr/include/altq/altq_blue.h
/usr/src/obj/destdir.amd64/usr/include/altq/altq_cbq.h
/usr/src/obj/destdir.amd64/usr/include/altq/altq_cdnr.h
/usr/src/obj/destdir.amd64/usr/include/altq/altq_fifoq.h
/usr/src/obj/destdir.amd64/usr/include/altq/altq_hfsc.h
/usr/src/obj/destdir.amd64/usr/include/altq/altq_jobs.h
/usr/src/obj/destdir.amd64/usr/include/altq/altq_priq.h
/usr/src/obj/destdir.amd64/usr/include/altq/altq_red.h
/usr/src/obj/destdir.amd64/usr/include/altq/altq_rio.h
/usr/src/obj/destdir.amd64/usr/include/altq/altq_wfq.h
/usr/src/obj/destdir.amd64/usr/include/crypto/cryptodev.h
/usr/src/obj/destdir.amd64/usr/include/dev/apm/apmio.h
/usr/src/obj/destdir.amd64/usr/include/dev/biovar.h
/usr/src/obj/destdir.amd64/usr/include/dev/bluetooth/btdev.h
/usr/src/obj/destdir.amd64/usr/include/dev/bluetooth/btsco.h
/usr/src/obj/destdir.amd64/usr/include/dev/ccdvar.h
/usr/src/obj/destdir.amd64/usr/include/dev/cgdvar.h
/usr/src/obj/destdir.amd64/usr/include/dev/dm/netbsd-dm.h
/usr/src/obj/destdir.amd64/usr/include/dev/dmover/dmover_io.h
/usr/src/obj/destdir.amd64/usr/include/dev/dtv/dtvio_demux.h
/usr/src/obj/destdir.amd64/usr/include/dev/dtv/dtvio_frontend.h
/usr/src/obj/destdir.amd64/usr/include/dev/filemon/filemon.h
/usr/src/obj/destdir.amd64/usr/include/dev/fssvar.h
/usr/src/obj/destdir.amd64/usr/include/dev/hdaudio/hdaudioio.h
/usr/src/obj/destdir.amd64/usr/include/dev/hdmicec/hdmicecio.h
/usr/src/obj/destdir.amd64/usr/include/dev/hpc/hpcfbio.h
/usr/src/obj/destdir.amd64/usr/include/dev/i2c/i2c_io.h
/usr/src/obj/destdir.amd64/usr/include/dev/i2o/iopio.h
/usr/src/obj/destdir.amd64/usr/include/dev/ic/athioctl.h
/usr/src/obj/destdir.amd64/usr/include/dev/ic/bt8xx.h
/usr/src/obj/destdir.amd64/usr/include/dev/ic/hd44780var.h
/usr/src/obj/destdir.amd64/usr/include/dev/ic/icp_ioctl.h
/usr/src/obj/destdir.amd64/usr/include/dev/ic/isp_ioctl.h
/usr/src/obj/destdir.amd64/usr/include/dev/ic/mlxio.h
/usr/src/obj/destdir.amd64/usr/include/dev/ic/nvmeio.h
/usr/src/obj/destdir.amd64/usr/include/dev/ir/irdaio.h
/usr/src/obj/destdir.amd64/usr/include/dev/isa/isvio.h
/usr/src/obj/destdir.amd64/usr/include/dev/isa/satlinkio.h
/usr/src/obj/destdir.amd64/usr/include/dev/isa/spkrio.h
/usr/src/obj/destdir.amd64/usr/include/dev/isa/wtreg.h
/usr/src/obj/destdir.amd64/usr/include/dev/iscsi/iscsi_ioctl.h
/usr/src/obj/destdir.amd64/usr/include/dev/kttcpio.h
/usr/src/obj/destdir.amd64/usr/include/dev/lockstat.h
/usr/src/obj/destdir.amd64/usr/include/dev/md.h
/usr/src/obj/destdir.amd64/usr/include/dev/ofw/openfirmio.h
/usr/src/obj/destdir.amd64/usr/include/dev/pci/amrio.h
/usr/src/obj/destdir.amd64/usr/include/dev/pci/if_lmc.h
/usr/src/obj/destdir.amd64/usr/include/dev/pci/mlyio.h
/usr/src/obj/destdir.amd64/usr/include/dev/pci/pciio.h
/usr/src/obj/destdir.amd64/usr/include/dev/pci/tweio.h
/usr/src/obj/destdir.amd64/usr/include/dev/pcmcia/if_cnwioctl.h
/usr/src/obj/destdir.amd64/usr/include/dev/pcmcia/if_rayreg.h
/usr/src/obj/destdir.amd64/usr/include/dev/raidframe/raidframeio.h
/usr/src/obj/destdir.amd64/usr/include/dev/sbus/mbppio.h
/usr/src/obj/destdir.amd64/usr/include/dev/scsipi/ses.h
/usr/src/obj/destdir.amd64/usr/include/dev/sun/disklabel.h
/usr/src/obj/destdir.amd64/usr/include/dev/sun/fbio.h
/usr/src/obj/destdir.amd64/usr/include/dev/sun/kbio.h
/usr/src/obj/destdir.amd64/usr/include/dev/sun/vuid_event.h
/usr/src/obj/destdir.amd64/usr/include/dev/tc/sticio.h
/usr/src/obj/destdir.amd64/usr/include/dev/usb/urio.h
/usr/src/obj/destdir.amd64/usr/include/dev/usb/usb.h
/usr/src/obj/destdir.amd64/usr/include/dev/usb/utoppy.h
/usr/src/obj/destdir.amd64/usr/include/dev/vme/xio.h
/usr/src/obj/destdir.amd64/usr/include/dev/vndvar.h
/usr/src/obj/destdir.amd64/usr/include/dev/wscons/wsconsio.h
/usr/src/obj/destdir.amd64/usr/include/dev/wscons/wsdisplay_usl_io.h
/usr/src/obj/destdir.amd64/usr/include/krb5/kafs.h
/usr/src/obj/destdir.amd64/usr/include/net/bpf.h
/usr/src/obj/destdir.amd64/usr/include/net/if_atm.h
/usr/src/obj/destdir.amd64/usr/include/net/if_gre.h
/usr/src/obj/destdir.amd64/usr/include/net/if_ppp.h
/usr/src/obj/destdir.amd64/usr/include/net/if_pppoe.h
/usr/src/obj/destdir.amd64/usr/include/net/if_sppp.h
/usr/src/obj/destdir.amd64/usr/include/net/if_srt.h
/usr/src/obj/destdir.amd64/usr/include/net/if_tap.h
/usr/src/obj/destdir.amd64/usr/include/net/if_tun.h
/usr/src/obj/destdir.amd64/usr/include/net/npf.h
/usr/src/obj/destdir.amd64/usr/include/net/pfvar.h
/usr/src/obj/destdir.amd64/usr/include/net/slip.h
/usr/src/obj/destdir.amd64/usr/include/net80211/ieee80211_ioctl.h
/usr/src/obj/destdir.amd64/usr/include/netatalk/phase2.h
/usr/src/obj/destdir.amd64/usr/include/netbt/hci.h
/usr/src/obj/destdir.amd64/usr/include/netinet/ip_fil.h
/usr/src/obj/destdir.amd64/usr/include/netinet/ip_lookup.h
/usr/src/obj/destdir.amd64/usr/include/netinet/ip_nat.h
/usr/src/obj/destdir.amd64/usr/include/netinet/ip_proxy.h
/usr/src/obj/destdir.amd64/usr/include/netinet/ip_scan.h
/usr/src/obj/destdir.amd64/usr/include/netinet/ip_state.h
/usr/src/obj/destdir.amd64/usr/include/netinet6/in6_var.h
/usr/src/obj/destdir.amd64/usr/include/netisdn/i4b_debug.h
/usr/src/obj/destdir.amd64/usr/include/netisdn/i4b_ioctl.h
/usr/src/obj/destdir.amd64/usr/include/netisdn/i4b_rbch_ioctl.h
/usr/src/obj/destdir.amd64/usr/include/netisdn/i4b_tel_ioctl.h
/usr/src/obj/destdir.amd64/usr/include/netisdn/i4b_trace.h
/usr/src/obj/destdir.amd64/usr/include/netnatm/natm.h
/usr/src/obj/destdir.amd64/usr/include/netsmb/smb_dev.h
/usr/src/obj/destdir.amd64/usr/include/pcap/bpf.h
/usr/src/obj/destdir.amd64/usr/include/rump/rumpdefs.h
/usr/src/obj/destdir.amd64/usr/include/soundcard.h
/usr/src/obj/destdir.amd64/usr/include/sys/agpio.h
/usr/src/obj/destdir.amd64/usr/include/sys/ataio.h
/usr/src/obj/destdir.amd64/usr/include/sys/audioio.h
/usr/src/obj/destdir.amd64/usr/include/sys/cdio.h
/usr/src/obj/destdir.amd64/usr/include/sys/chio.h
/usr/src/obj/destdir.amd64/usr/include/sys/clockctl.h
/usr/src/obj/destdir.amd64/usr/include/sys/cpuio.h
/usr/src/obj/destdir.amd64/usr/include/sys/dkio.h
/usr/src/obj/destdir.amd64/usr/include/sys/drvctlio.h
/usr/src/obj/destdir.amd64/usr/include/sys/dvdio.h
/usr/src/obj/destdir.amd64/usr/include/sys/envsys.h
/usr/src/obj/destdir.amd64/usr/include/sys/event.h
/usr/src/obj/destdir.amd64/usr/include/sys/fdio.h
/usr/src/obj/destdir.amd64/usr/include/sys/filio.h
/usr/src/obj/destdir.amd64/usr/include/sys/flashio.h
/usr/src/obj/destdir.amd64/usr/include/sys/gpio.h
/usr/src/obj/destdir.amd64/usr/include/sys/ioccom.h
/usr/src/obj/destdir.amd64/usr/include/sys/ioctl.h
/usr/src/obj/destdir.amd64/usr/include/sys/ioctl_compat.h
/usr/src/obj/destdir.amd64/usr/include/sys/joystick.h
/usr/src/obj/destdir.amd64/usr/include/sys/ksyms.h
/usr/src/obj/destdir.amd64/usr/include/sys/lua.h
/usr/src/obj/destdir.amd64/usr/include/sys/midiio.h
/usr/src/obj/destdir.amd64/usr/include/sys/mtio.h
/usr/src/obj/destdir.amd64/usr/include/sys/power.h
/usr/src/obj/destdir.amd64/usr/include/sys/radioio.h
/usr/src/obj/destdir.amd64/usr/include/sys/rndio.h
/usr/src/obj/destdir.amd64/usr/include/sys/scanio.h
/usr/src/obj/destdir.amd64/usr/include/sys/scsiio.h
/usr/src/obj/destdir.amd64/usr/include/sys/sockio.h
/usr/src/obj/destdir.amd64/usr/include/sys/soundcard.h
/usr/src/obj/destdir.amd64/usr/include/sys/timepps.h
/usr/src/obj/destdir.amd64/usr/include/sys/ttycom.h
/usr/src/obj/destdir.amd64/usr/include/sys/verified_exec.h
/usr/src/obj/destdir.amd64/usr/include/sys/videoio.h
/usr/src/obj/destdir.amd64/usr/include/sys/wdog.h
/usr/src/obj/destdir.amd64/usr/X11R7/include/libdrm/amdgpu_drm.h
/usr/src/obj/destdir.amd64/usr/X11R7/include/libdrm/drm.h
/usr/src/obj/destdir.amd64/usr/X11R7/include/libdrm/i915_drm.h
/usr/src/obj/destdir.amd64/usr/X11R7/include/libdrm/mach64_drm.h
/usr/src/obj/destdir.amd64/usr/X11R7/include/libdrm/mga_drm.h
/usr/src/obj/destdir.amd64/usr/X11R7/include/libdrm/qxl_drm.h
/usr/src/obj/destdir.amd64/usr/X11R7/include/libdrm/r128_drm.h
/usr/src/obj/destdir.amd64/usr/X11R7/include/libdrm/radeon_drm.h
/usr/src/obj/destdir.amd64/usr/X11R7/include/libdrm/savage_drm.h
/usr/src/obj/destdir.amd64/usr/X11R7/include/libdrm/sis_drm.h
/usr/src/obj/destdir.amd64/usr/X11R7/include/libdrm/via_drm.h
/usr/src/obj/destdir.amd64/usr/X11R7/include/libdrm/virtgpu_drm.h
/usr/src/obj/destdir.amd64/usr/X11R7/include/xorg/bt829.h
/usr/src/obj/destdir.amd64/usr/X11R7/include/xorg/xf86_OSlib.h
/usr/src/external/cddl/osnet/dist/uts/common/sys/dtrace.h
>kdump-ioctl.c
/usr/src/external/cddl/osnet/dist/uts/common/sys/dtrace.h:55:24: fatal
error: sys/modctl.h: No such file or directory
compilation terminated.
[...]