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Commit 6e64c14c authored by Po Hu's avatar Po Hu
Browse files

Fix kati regen due to build_number.txt 

Do NOT touch build_number.txt if BUILD_NUMBER is explicitly set
but not changed from last build.

Bug: 182221512
Test: BUILD_NUMBER=123 m nothing
Change-Id: Ic88f6e0d2b9767d84e1ec5c826018d1ea08c0fc0
parent 2ebf9b67

core/main.mk

+6 −1
Original line number Diff line number Diff line
@@ -41,7 +41,12 @@ include $(BUILD_SYSTEM)/clang/config.mk 
# without changing the command line every time.  Avoids rebuilds

# when using ninja.

$(shell mkdir -p $(SOONG_OUT_DIR) && \

    echo -n $(BUILD_NUMBER) > $(SOONG_OUT_DIR)/build_number.txt)

    echo -n $(BUILD_NUMBER) > $(SOONG_OUT_DIR)/build_number.tmp; \

    if ! cmp -s $(SOONG_OUT_DIR)/build_number.tmp $(SOONG_OUT_DIR)/build_number.txt; then \

        mv $(SOONG_OUT_DIR)/build_number.tmp $(SOONG_OUT_DIR)/build_number.txt; \

    else \

        rm $(SOONG_OUT_DIR)/build_number.tmp; \

    fi)

BUILD_NUMBER_FILE := $(SOONG_OUT_DIR)/build_number.txt

.KATI_READONLY := BUILD_NUMBER_FILE

$(KATI_obsolete_var BUILD_NUMBER,See https://android.googlesource.com/platform/build/+/master/Changes.md#BUILD_NUMBER)