1 files changed, 14 insertions, 5 deletions

diff --git a/scripts/Makefile.modpost b/scripts/Makefile.modpost
index 9a3ec20b0be..0e056cffffd 100644
--- a/scripts/Makefile.modpost
+++ b/scripts/Makefile.modpost
@@ -32,14 +32,15 @@
 # Step 4 is solely used to allow module versioning in external modules,
 # where the CRC of each module is retrieved from the Module.symers file.
 
-.PHONY: _modpost
+PHONY := _modpost
 _modpost: __modpost
 
 include .config
 include scripts/Kbuild.include
 include scripts/Makefile.lib
 
-symverfile := $(objtree)/Module.symvers
+kernelsymfile := $(objtree)/Module.symvers
+modulesymfile := $(KBUILD_EXTMOD)/Modules.symvers
 
 # Step 1), find all modules listed in $(MODVERDIR)/
 __modules := $(sort $(shell grep -h '\.ko' /dev/null $(wildcard $(MODVERDIR)/*.mod)))
@@ -54,10 +55,12 @@ quiet_cmd_modpost = MODPOST
       cmd_modpost = scripts/mod/modpost            \
         $(if $(CONFIG_MODVERSIONS),-m)             \
         $(if $(CONFIG_MODULE_SRCVERSION_ALL),-a,)  \
-        $(if $(KBUILD_EXTMOD),-i,-o) $(symverfile) \
+        $(if $(KBUILD_EXTMOD),-i,-o) $(kernelsymfile) \
+        $(if $(KBUILD_EXTMOD),-I $(modulesymfile)) \
+        $(if $(KBUILD_EXTMOD),-o $(modulesymfile)) \
         $(filter-out FORCE,$^)
 
-.PHONY: __modpost
+PHONY += __modpost
 __modpost: $(wildcard vmlinux) $(modules:.ko=.o) FORCE
         $(call cmd,modpost)
 
@@ -94,7 +97,7 @@ targets += $(modules)
 # Add FORCE to the prequisites of a target to force it to be always rebuilt.
 # ---------------------------------------------------------------------------
 
-.PHONY: FORCE
+PHONY += FORCE
 
 FORCE:
 
@@ -109,3 +112,9 @@ cmd_files := $(wildcard $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))
 ifneq ($(cmd_files),)
   include $(cmd_files)
 endif
+
+
+# Declare the contents of the .PHONY variable as phony.  We keep that
+# information in a variable se we can use it in if_changed and friends.
+
+.PHONY: $(PHONY)