diff --git a/kern/include.mk b/kern/include.mk
new file mode 100644
index 0000000..8496555
--- /dev/null
+++ b/kern/include.mk
@@ -0,0 +1,9 @@
+KERN_SRC  := $(wildcard kern/*.c)
+KERN_SRC += $(wildcard kern/*.S)
+
+KERN_OBJ  := $(KERN_SRC:.c=.o)
+KERN_OBJ  := $(KERN_OBJ:.S=.o)
+
+include kern/libkern/include.mk
+
+KERN_OBJ += $(LIBKERN_OBJ)
diff --git a/kern/libkern/include.mk b/kern/libkern/include.mk
new file mode 100644
index 0000000..491b247
--- /dev/null
+++ b/kern/libkern/include.mk
@@ -0,0 +1,5 @@
+LIBKERN_SRC := $(wildcard kern/libkern/*.c)
+LIBKERN_SRC += $(wildcard kern/libkern/*.S)
+
+LIBKERN_OBJ  := $(LIBKERN_SRC:.c=.o)
+LIBKERN_OBJ  := $(LIBKERN_OBJ:.S=.o)