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-rw-r--r--Makefile10
1 files changed, 6 insertions, 4 deletions
diff --git a/Makefile b/Makefile
index 922c7633797..d3598ef3c77 100644
--- a/Makefile
+++ b/Makefile
@@ -477,18 +477,20 @@ ifeq ($(dot-config),1)
# Read in dependencies to all Kconfig* files, make sure to run
# oldconfig if changes are detected.
--include .config.cmd
+-include .kconfig.d
include .config
# If .config needs to be updated, it will be done via the dependency
# that autoconf has on .config.
# To avoid any implicit rule to kick in, define an empty command
-.config: ;
+.config .kconfig.d: ;
# If .config is newer than include/linux/autoconf.h, someone tinkered
-# with it and forgot to run make oldconfig
-include/linux/autoconf.h: .config
+# with it and forgot to run make oldconfig.
+# If kconfig.d is missing then we are probarly in a cleaned tree so
+# we execute the config step to be sure to catch updated Kconfig files
+include/linux/autoconf.h: .kconfig.d .config
$(Q)mkdir -p include/linux
$(Q)$(MAKE) -f $(srctree)/Makefile silentoldconfig
else