# Create an auto-incrementing build number.

BUILD_NUMBER_LDFLAGS  = --defsym __BUILD_DATE=$$(date +'%Y%m%d')
BUILD_NUMBER_LDFLAGS += --defsym __BUILD_NUMBER=$$(cat $(BUILD_NUMBER_FILE))

# Build number file.  Increment if any object file changes.
$(BUILD_NUMBER_FILE): $(OBJECTS)
	if ! test -f build-number.txt; then echo 0 > build-number.txt; fi
	echo $(($(cat build-number.txt) + 1)) > build-number.txt
	echo __BUILD_DATE
	echo __BUILD_NUMBER