Regenerate init.environ.rc if PRODUCT_BOOTCLASSPATH changed.
Change-Id: I4686c1239aa5ed361c918ce4e7a5abf9a1552ab4
diff --git a/rootdir/Android.mk b/rootdir/Android.mk
index 2c16084..aca08bf 100644
--- a/rootdir/Android.mk
+++ b/rootdir/Android.mk
@@ -30,9 +30,17 @@
include $(BUILD_SYSTEM)/base_rules.mk
-$(LOCAL_BUILT_MODULE): $(LOCAL_PATH)/init.environ.rc.in
+# Regenerate init.environ.rc if PRODUCT_BOOTCLASSPATH has changed.
+bcp_md5 := $(word 1, $(shell echo $(PRODUCT_BOOTCLASSPATH) | $(MD5SUM)))
+bcp_dep := $(intermediates)/$(bcp_md5).bcp.dep
+$(bcp_dep) :
+ $(hide) mkdir -p $(dir $@) && rm -rf $(dir $@)*.bcp.dep && touch $@
+
+$(LOCAL_BUILT_MODULE): $(LOCAL_PATH)/init.environ.rc.in $(bcp_dep)
@echo "Generate: $< -> $@"
@mkdir -p $(dir $@)
$(hide) sed -e 's?%BOOTCLASSPATH%?$(PRODUCT_BOOTCLASSPATH)?g' $< >$@
+bcp_md5 :=
+bcp_dep :=
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