trigger a kernel module rebuild when the kernel config changes

SVN-Revision: 6671

include/kernel-build.mk

@@ -92,10 +92,7 @@ define BuildKernel
 	$(call Kernel/Configure)
 	touch $$@
 
-  $(LINUX_DIR)/.modules: $(LINUX_DIR)/.configured
+  $(LINUX_DIR)/.modules: $(LINUX_DIR)/.configured $(LINUX_DIR)/.config
-	rm -rf $(KERNEL_BUILD_DIR)/modules
-	@rm -f $(BUILD_DIR)/linux
-	ln -sf $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) $(BUILD_DIR)/linux
 	$(call Kernel/CompileModules)
 	touch $$@
 

include/kernel-defaults.mk

@@ -49,6 +49,9 @@ define Kernel/Configure/Default
 		$(SCRIPT_DIR)/config.pl '+' $(GENERIC_PLATFORM_DIR)/config-template $(LINUX_CONFIG) > $(LINUX_DIR)/.config; \
 	fi
 	$(call Kernel/Configure/$(KERNEL))
+	rm -rf $(KERNEL_BUILD_DIR)/modules
+	@rm -f $(BUILD_DIR)/linux
+	ln -sf $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) $(BUILD_DIR)/linux
 endef
 
 define Kernel/CompileModules/Default

package/kernel/Makefile

@@ -14,6 +14,7 @@ PKG_VERSION:=$(LINUX_VERSION)-$(BOARD)
 PKG_RELEASE:=$(LINUX_RELEASE)
 
 PKG_BUILD_DIR:=$(KERNEL_BUILD_DIR)/packages
+PKG_FILE_DEPEND:=$(MODULES_DIR)
 
 # build all in-tree kmod-* packages by default
 KMOD_DEFAULT:=m