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Makefile: document configure cache handling

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Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
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Peter Korsgaard
2009-12-12 08:48:53 +01:00
parent 0a62bb41ba
commit 97c996d654
1 changed files with 1 additions and 0 deletions
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Makefile
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@@ -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 $@