CC := i686-elf-gcc
AS := i686-elf-as
AR := i686-elf-ar
-PY := python
+PY := python3
ARCH_OPT := -D__ARCH_IA32
-fno-inline-small-functions \
-fno-indirect-inlining
-CFLAGS := -std=gnu99 -ffreestanding $(OFLAGS) $(W) $(ARCH_OPT)
+CFLAGS := -std=gnu99 -ffreestanding -MMD $(OFLAGS) $(W) $(ARCH_OPT)
ifeq ($(BUILD_MODE),debug)
O = -Og