--- a/Makefile
+++ b/Makefile
@@ -9,11 +9,10 @@
 #
 FDISK=/dev/fd0
 
-AS=as -32
-CC=gcc
-
 CFLAGS= -Wall -Werror -march=i486 -m32 -O0 -fomit-frame-pointer -fno-builtin \
  -ffreestanding -fPIC $(SMP_FL) -fno-stack-protector
+CPPFLAGS= -m32
+ASFLAGS= -32
 
 SELF_TEST_CFLAGS = -Wall -Werror -march=i486 -m32 -O1 -g