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Merge "Only update previous product config when changed"

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Dan Willemsen 2016-09-17 02:29:06 +00:00 committed by Gerrit Code Review
commit 2fcacb5a22
1 changed files with 7 additions and 4 deletions
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11
core/cleanbuild.mk
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@ -151,6 +151,7 @@ endif # if not ONE_SHOT_MAKEFILE dont_bother
# 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)
@ -176,15 +177,17 @@ endif # else, this is the first build, so no need to clean.
# 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 :=
#