diff --git a/core/Makefile b/core/Makefile
index 169def8..9e82bfc 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -1753,9 +1753,13 @@
   $(HOST_OUT_EXECUTABLES)/brillo_update_payload \
   $(HOST_OUT_EXECUTABLES)/lib/shflags/shflags \
   $(HOST_OUT_EXECUTABLES)/delta_generator \
-  $(BLK_ALLOC_TO_BASE_FS) \
+  $(BLK_ALLOC_TO_BASE_FS)
+
+ifeq (true,$(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SUPPORTS_VBOOT))
+OTATOOLS += \
   $(FUTILITY) \
   $(VBOOT_SIGNER)
+endif
 
 # Shared libraries.
 OTATOOLS += \
@@ -1794,12 +1798,15 @@
 $(BUILT_OTATOOLS_PACKAGE): $(OTATOOLS) | $(ACP)
 	@echo "Package OTA tools: $@"
 	$(hide) rm -rf $@ $(zip_root)
-	$(hide) mkdir -p $(dir $@) $(zip_root)/bin $(zip_root)/framework $(zip_root)/releasetools $(zip_root)/system/extras/verity $(zip_root)/external/vboot_reference/tests/devkeys
+	$(hide) mkdir -p $(dir $@) $(zip_root)/bin $(zip_root)/framework $(zip_root)/releasetools $(zip_root)/system/extras/verity
 	$(call copy-files-with-structure,$(OTATOOLS),$(HOST_OUT)/,$(zip_root))
 	$(hide) $(ACP) $(HOST_OUT_JAVA_LIBRARIES)/VeritySigner.jar $(zip_root)/framework/
 	$(hide) $(ACP) -p system/extras/verity/build_verity_metadata.py $(zip_root)/system/extras/verity/
-	$(hide) $(ACP) -p -r external/vboot_reference/tests/devkeys/* $(zip_root)/external/vboot_reference/tests/devkeys
 	$(hide) $(ACP) -r -d -p build/tools/releasetools/* $(zip_root)/releasetools
+ifeq (true,$(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SUPPORTS_VBOOT))
+	$(hide) mkdir -p $(zip_root)/external/vboot_reference/tests/devkeys
+	$(hide) $(ACP) -r -d -p external/vboot_reference/tests/devkeys/* $(zip_root)/external/vboot_reference/tests/devkeys
+endif
 	$(hide) rm -rf $@ $(zip_root)/releasetools/*.pyc
 	$(hide) (cd $(zip_root) && zip -qryX $(abspath $@) *)
 	$(hide) zip -qryX $(abspath $@) build/target/product/security/
diff --git a/core/definitions.mk b/core/definitions.mk
index 750c329..556b41f 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -3243,6 +3243,11 @@
 #$(warning 42 == $(call math_max,5,42))
 #$(warning 42 == $(call math_max,42,5))
 
+# $1 is the variable name to increment
+define inc_and_print
+$(strip $(eval $(1) := $($(1)) .)$(words $($(1))))
+endef
+
 ###########################################################
 ## Other includes
 ###########################################################
diff --git a/core/main.mk b/core/main.mk
index c131ed2..85f5d6c 100644
--- a/core/main.mk
+++ b/core/main.mk
@@ -551,8 +551,10 @@
 #
 
 subdir_makefiles := $(SOONG_ANDROID_MK) $(call first-makefiles-under,$(TOP))
+subdir_makefiles_total := $(words $(subdir_makefiles))
+.KATI_READONLY := subdir_makefiles_total
 
-$(foreach mk,$(subdir_makefiles),$(info including $(mk) ...)$(eval include $(mk)))
+$(foreach mk,$(subdir_makefiles),$(info [$(call inc_and_print,subdir_makefiles_inc)/$(subdir_makefiles_total)] including $(mk) ...)$(eval include $(mk)))
 
 ifdef PDK_FUSION_PLATFORM_ZIP
 # Bring in the PDK platform.zip modules.