kbuild: fix interaction of CONFIG_IKCONFIG and KCONFIG_CONFIG

[~andy/linux] / kernel / Makefile

diff --git a/kernel/Makefile b/kernel/Makefile
index 0b5ff083fa22fa381a6fc1f092a824f255bda01a..33e0a39cf359e41b159c74ddf28e6f747a1cbd5c 100644 (file)
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -121,7 +121,7 @@ $(obj)/configs.o: $(obj)/config_data.h
 # config_data.h contains the same information as ikconfig.h but gzipped.
 # Info from config_data can be extracted from /proc/config*
 targets += config_data.gz
-$(obj)/config_data.gz: .config FORCE
+$(obj)/config_data.gz: $(KCONFIG_CONFIG) FORCE
        $(call if_changed,gzip)
 
 quiet_cmd_ikconfiggz = IKCFG   $@