root@davidws:/usr/src/applespi-0.1# make
make -C /lib/modules/4.17.0-qemu-4.17-1+/build M=/usr/src/applespi-0.1 modules
make[1]: Entering directory '/usr/src/linux-headers-4.17.0-qemu-4.17-1+'
make[2]: *** No rule to make target 'tools/objtool/objtool', needed by '/usr/src/applespi-0.1/applespi.o'.  Stop.
Makefile:1571: recipe for target '_module_/usr/src/applespi-0.1' failed
make[1]: *** [_module_/usr/src/applespi-0.1] Error 2
make[1]: Leaving directory '/usr/src/linux-headers-4.17.0-qemu-4.17-1+'
Makefile:11: recipe for target 'all' failed
make: *** [all] Error 2

root@davidws:/usr/src/applespi-0.1# make CONFIG_STACK_VALIDATION=
make -C /lib/modules/4.17.0-qemu-4.17-1+/build M=/usr/src/applespi-0.1 modules
make[1]: Entering directory '/usr/src/linux-headers-4.17.0-qemu-4.17-1+'
  CC [M]  /usr/src/applespi-0.1/applespi.o
  Building modules, stage 2.
  MODPOST 1 modules
  CC      /usr/src/applespi-0.1/applespi.mod.o
  LD [M]  /usr/src/applespi-0.1/applespi.ko
make[1]: Leaving directory '/usr/src/linux-headers-4.17.0-qemu-4.17-1+'