x11/nvidia-driver no longer works under -current (r338323)

Hello lists,

x11/nvidia-driver is broken again. 

Context: FreeBSD-12-ALPHA3 r338323 /  ports 478102 / amd64.

Tried to build with make distclean clean rmconfig && make MAKE_JOBS_UNSAFE=yes

It fails here:

=kernel -Wno-sign-compare -Wno-format-extra-args -UDEBUG -U_DEBUG -DNDEBUG -Werror=undef  -Werror -D_KERNEL -DKLD_MODULE -nostdinc  -I. -I../common/inc -I. -I/usr/src/sys
 -I/usr/src/sys/contrib/ck/include -fno-common  -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer   -MD  -MF.depend.nvidia_pci.o -MTnvidia_pci.o -mcmodel=kernel -mno-r
ed-zone -mno-mmx -mno-sse -msoft-float  -fno-asynchronous-unwind-tables -ffreestanding -fwrapv -fstack-protector -Wall -Wredundant-decls -Wnested-externs -Wstrict-prototy
pes -Wmissing-prototypes -Wpointer-arith -Wcast-qual -Wundef -Wno-pointer-sign -D__printf__=__freebsd_kprintf__ -Wmissing-include-dirs -fdiagnostics-show-option -Wno-unkn
own-pragmas -Wno-error-tautological-compare -Wno-error-empty-body -Wno-error-parentheses-equality -Wno-error-unused-function -Wno-error-pointer-sign -Wno-error-shift-nega
tive-value -Wno-address-of-packed-member  -mno-aes -mno-avx  -std=iso9899:1999 -c nvidia_pci.c -o nvidia_pci.o
cc  -O2 -pipe -fno-strict-aliasing -DNV_VERSION_STRING=\"390.77\" -D__KERNEL__ -DNVRM -Wno-unused-function -Wuninitialized -O2 -fno-strict-aliasing -mno-red-zone -mcmodel
=kernel -Wno-sign-compare -Wno-format-extra-args -UDEBUG -U_DEBUG -DNDEBUG -Werror=undef  -Werror -D_KERNEL -DKLD_MODULE -nostdinc  -I. -I../common/inc -I. -I/usr/src/sys
 -I/usr/src/sys/contrib/ck/include -fno-common  -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer   -MD  -MF.depend.nvidia_subr.o -MTnvidia_subr.o -mcmodel=kernel -mno
-red-zone -mno-mmx -mno-sse -msoft-float  -fno-asynchronous-unwind-tables -ffreestanding -fwrapv -fstack-protector -Wall -Wredundant-decls -Wnested-externs -Wstrict-proto
types -Wmissing-prototypes -Wpointer-arith -Wcast-qual -Wundef -Wno-pointer-sign -D__printf__=__freebsd_kprintf__ -Wmissing-include-dirs -fdiagnostics-show-option -Wno-un
known-pragmas -Wno-error-tautological-compare -Wno-error-empty-body -Wno-error-parentheses-equality -Wno-error-unused-function -Wno-error-pointer-sign -Wno-error-shift-ne
gative-value -Wno-address-of-packed-member  -mno-aes -mno-avx  -std=iso9899:1999 -c nvidia_subr.c -o nvidia_subr.o
*** Error code 1

Stop.
make[4]: stopped in /usr/ports/x11/nvidia-driver/work/NVIDIA-FreeBSD-x86_64-390.77/src/nvidia
*** Error code 1

Stop.
make[3]: stopped in /usr/ports/x11/nvidia-driver/work/NVIDIA-FreeBSD-x86_64-390.77/src
*** Error code 1

Stop.
make[2]: stopped in /usr/ports/x11/nvidia-driver/work/NVIDIA-FreeBSD-x86_64-390.77
*** Error code 1

Stop.
make[1]: stopped in /usr/ports/x11/nvidia-driver
*** Error code 1

Stop.

Stop.
make: stopped in /usr/ports/x11/nvidia-driver

I can post more output if you need it.

thanks,
-- 
 J.