--- intel_bios.c compile line(s) ---
cc  -O2 -pipe -I/usr/src/sys/dev/drm/include -I/usr/src/sys/dev/drm/include/uapi -I/usr/src/sys/contrib/dev/acpica/source/include -include /usr/src/sys/dev/drm/kconfig.h -DKBUILD_MODNAME=\"i915\"  -D_KERNEL -Wall -Wredundant-decls -Wnested-externs -Wstrict-prototypes  -Wmissing-prototypes -Wpointer-arith -Wcast-qual  -Wold-style-definition -Wmissing-include-dirs  -Wno-pointer-sign -Winit-self -Wundef -Wno-unused-but-set-variable -std=gnu11 -Werror -DKLD_MODULE -nostdinc -I/usr/src/sys/dev/drm/include -I/usr/src/sys/dev/drm/include/uapi -I/usr/src/sys/contrib/dev/acpica/source/include -I. -Idragonfly -I/usr/src/sys/dev/drm/i915/forwarder_x86_64/include -Idragonfly/../include -I/usr/include  -Wold-style-declaration -fno-common -ffreestanding -fno-stack-protector -fno-strict-aliasing -fno-strict-overflow -fno-asynchronous-unwind-tables -fno-omit-frame-pointer -mcmodel=kernel -mno-red-zone -mno-mmx -mno-sse -msoft-float -mno-fp-ret-in-387 -mindirect-branch=thunk-inline   -c intel_bios.c

--- final build status ---
I915_DONE rc=0


(no error:/warning:/Stop in lines mentioning intel_bios.c; build rc=0)