[v2] kbuild: fix interaction of CONFIG_IKCONFIG and KCONFIG_CONFIG

Commit Message

Ben Gardiner Dec. 14, 2010, 4:39 p.m. UTC

None

Patch

diff --git a/Makefile b/Makefile
index 3d94974..e0973cc 100644
--- a/Makefile
+++ b/Makefile
@@ -224,6 +224,7 @@  ifeq ($(ARCH),m68knommu)
 endif
 
 KCONFIG_CONFIG	?= .config
+export KCONFIG_CONFIG
 
 # SHELL used by kbuild
 CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
diff --git a/kernel/Makefile b/kernel/Makefile
index 0b5ff08..33e0a39 100644
--- 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   $@