diff --git a/scripts/Makefile.modpost b/scripts/Makefile.modpost
index 896c799..f29a021 100644
--- a/scripts/Makefile.modpost
+++ b/scripts/Makefile.modpost
@@ -90,7 +90,7 @@
 
 # modpost options for modules (both in-kernel and external)
 MODPOST += \
-	$(addprefix -i ,$(input-symdump)) \
+	$(addprefix -i ,$(wildcard $(input-symdump))) \
 	$(if $(CONFIG_MODULE_ALLOW_MISSING_NAMESPACE_IMPORTS)$(KBUILD_NSDEPS),-N)
 
 # 'make -i -k' ignores compile errors, and builds as many modules as possible.
@@ -98,13 +98,18 @@
 MODPOST += -n
 endif
 
+$(input-symdump):
+	@:
+
 # Read out modules.order to pass in modpost.
 # Otherwise, allmodconfig would fail with "Argument list too long".
 quiet_cmd_modpost = MODPOST $@
-      cmd_modpost = sed 's/ko$$/o/' $(MODORDER) | $(MODPOST) -T -
+      cmd_modpost = sed 's/ko$$/o/' $< | $(MODPOST) -T -
 
-$(output-symdump): FORCE
-	$(call cmd,modpost)
+$(output-symdump): $(MODORDER) $(input-symdump) FORCE
+	$(call if_changed,modpost)
+
+targets += $(output-symdump)
 
 __modpost: $(output-symdump)
 ifneq ($(KBUILD_MODPOST_NOFINAL),1)
@@ -114,6 +119,13 @@
 PHONY += FORCE
 FORCE:
 
+existing-targets := $(wildcard $(sort $(targets)))
+
+-include $(foreach f,$(existing-targets),$(dir $(f)).$(notdir $(f)).cmd)
+
+PHONY += FORCE
+FORCE:
+
 endif
 
 .PHONY: $(PHONY)