scripts/kconfig/Makefile: Allow KBUILD_DEFCONFIG to be a target

[firefly-linux-kernel-4.4.55.git] / scripts / kconfig / Makefile

diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile
index aceaaed098112dbc73a6f8e0c526e5e9edd55a99..b2b9c87cec50bafd5012164f69fabb17017a9e7b 100644 (file)
--- a/scripts/kconfig/Makefile
+++ b/scripts/kconfig/Makefile
@@ -96,9 +96,12 @@ savedefconfig: $(obj)/conf
 defconfig: $(obj)/conf
 ifeq ($(KBUILD_DEFCONFIG),)
        $< $(silent) --defconfig $(Kconfig)
-else
+else ifneq ($(wildcard arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG)),)
        @$(kecho) "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"
        $(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
+else
+       @$(kecho) "*** Default configuration is based on target '$(KBUILD_DEFCONFIG)'"
+       $(Q)$(MAKE) -f $(srctree)/Makefile $(KBUILD_DEFCONFIG)
 endif
 
 %_defconfig: $(obj)/conf