FreeBSD-CURRENT/Makefile.inc1 line 1834: "FDT_DTS_FILE must be specified!"

[Winston Smith]

Anyone else seeing this (as of r265159) trying to cross compile the
tools for ARM (I have run clean on this):

[root at freebsd /usr/src/FreeBSD-CURRENT]# make XDEV=arm XDEV_ARCH=armv6 xdev
mkdir -p /usr/obj/armv6-freebsd//usr/src/FreeBSD-CURRENT/tmp/usr
mtree -deU -f /usr/src/FreeBSD-CURRENT/etc/mtree/BSD.usr.dist  -p
/usr/obj/armv6-freebsd//usr/src/FreeBSD-CURRENT/tmp/usr >/dev/null
===> lib/clang/libllvmsupport (obj,depend,all,install)
===> lib/clang/libllvmtablegen (obj,depend,all,install)
===> usr.bin/clang/tblgen (obj,depend,all,install)
sh /usr/src/FreeBSD-CURRENT/tools/install.sh -s -o root -g wheel -m
555   tblgen /usr/obj/armv6-freebsd//usr/src/FreeBSD-CURRENT/tmp/usr/bin/tblgen
===> usr.bin/clang/clang-tblgen (obj,depend,all,install)
sh /usr/src/FreeBSD-CURRENT/tools/install.sh -s -o root -g wheel -m
555   clang-tblgen
/usr/obj/armv6-freebsd//usr/src/FreeBSD-CURRENT/tmp/usr/bin/clang-tblgen
make[2]: "/usr/src/FreeBSD-CURRENT/Makefile.inc1" line 1834:
"FDT_DTS_FILE must be specified!"
*** Error code 1

Stop.
make[1]: stopped in /usr/src/FreeBSD-CURRENT
*** Error code 1

Stop.
make: stopped in /usr/src/FreeBSD-CURRENT