# necessary to keep things consistent.
previous_build_config_file := $(PRODUCT_OUT)/previous_build_config.mk
+current_build_config_file := $(PRODUCT_OUT)/current_build_config.mk
current_build_config := \
$(TARGET_PRODUCT)-$(TARGET_BUILD_VARIANT)
# Write the new state to the file.
#
-ifneq ($(PREVIOUS_BUILD_CONFIG)-$(PREVIOUS_SANITIZE_TARGET),$(current_build_config)-$(current_sanitize_target))
$(shell \
- mkdir -p $(dir $(previous_build_config_file)) && \
+ mkdir -p $(dir $(current_build_config_file)) && \
echo "PREVIOUS_BUILD_CONFIG := $(current_build_config)" > \
- $(previous_build_config_file) \
+ $(current_build_config_file) \
)
-endif
+$(shell cmp $(current_build_config_file) $(previous_build_config_file) > /dev/null 2>&1 || \
+ mv -f $(current_build_config_file) $(previous_build_config_file))
+
PREVIOUS_BUILD_CONFIG :=
previous_build_config_file :=
+current_build_config_file :=
current_build_config :=
#