Makefile: document configure cache handling

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2009-12-12 08:48:53 +01:00 · 2009-12-12 08:48:53 +01:00 · 97c996d654
parent 0a62bb41ba
commit 97c996d654
1 changed files with 1 additions and 0 deletions
--- a/1
+++ b/1
@ -441,6 +441,7 @@ external-deps:
 		SPIDER=--spider source

 ifeq ($(BR2_CONFIG_CACHE),y)
+# drop configure cache if configuration is changed
 $(BUILD_DIR)/tgt-config.cache: .config
 	rm -f $@
 	touch $@