diff options
Diffstat (limited to 'core/product.mk')
| -rw-r--r-- | core/product.mk | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/core/product.mk b/core/product.mk index 4a0ee01..cea3d1c 100644 --- a/core/product.mk +++ b/core/product.mk @@ -187,3 +187,32 @@ endef define resolve-short-product-name $(strip $(call _resolve-short-product-name,$(1))) endef + + +# +# Stash vaues of the variables in _product_var_list. +# $(1): Renamed prefix +# +define stash-product-vars +$(foreach v,$(_product_var_list), \ + $(eval $(strip $(1))_$(call rot13,$(v)):=$$($$(v))) \ + ) +endef + +# +# Assert that the the variable stashed by stash-product-vars remains untouched. +# $(1): The prefix as supplied to stash-product-vars +# +define assert-product-vars +$(strip \ + $(eval changed_variables:=) + $(foreach v,$(_product_var_list), \ + $(if $(call streq,$($(v)),$($(strip $(1))_$(call rot13,$(v)))),, \ + $(eval $(warning $(v) has been modified: $($(v)))) \ + $(eval $(warning previous value: $($(strip $(1))_$(call rot13,$(v))))) \ + $(eval changed_variables := $(changed_variables) $(v))) \ + ) \ + $(if $(changed_variables),\ + $(eval $(error The following variables have been changed: $(changed_variables))),) +) +endef |