diff --git a/Makefile b/Makefile
index 06aff74..7ea0c07 100644
--- a/Makefile
+++ b/Makefile
@@ -723,6 +723,11 @@
 libs-y2		:= $(patsubst %/, %/built-in.o, $(libs-y))
 libs-y		:= $(libs-y1) $(libs-y2)
 
+# externally visible symbols
+export KBUILD_VMLINUX_INIT := $(head-y) $(init-y)
+export KBUILD_VMLINUX_MAIN := $(core-y) $(libs-y) $(drivers-y) $(net-y)
+export KBUILD_LDS          := arch/$(SRCARCH)/kernel/vmlinux.lds
+
 # Build vmlinux
 # ---------------------------------------------------------------------------
 # vmlinux is built from the objects selected by $(vmlinux-init) and