# SPDX-License-Identifier: GPL-2.0
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obj-$(CONFIG_UNICODE) += unicode.o
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obj-$(CONFIG_UNICODE_NORMALIZATION_SELFTEST) += utf8-selftest.o
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unicode-y := utf8-norm.o utf8-core.o
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$(obj)/utf8-norm.o: $(obj)/utf8data.h
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# In the normal build, the checked-in utf8data.h is just shipped.
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#
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# To generate utf8data.h from UCD, put *.txt files in this directory
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# and pass REGENERATE_UTF8DATA=1 from the command line.
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ifdef REGENERATE_UTF8DATA
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quiet_cmd_utf8data = GEN $@
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cmd_utf8data = $< \
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-a $(srctree)/$(src)/DerivedAge.txt \
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-c $(srctree)/$(src)/DerivedCombiningClass.txt \
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-p $(srctree)/$(src)/DerivedCoreProperties.txt \
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-d $(srctree)/$(src)/UnicodeData.txt \
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-f $(srctree)/$(src)/CaseFolding.txt \
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-n $(srctree)/$(src)/NormalizationCorrections.txt \
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-t $(srctree)/$(src)/NormalizationTest.txt \
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-o $@
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$(obj)/utf8data.h: $(obj)/mkutf8data $(filter %.txt, $(cmd_utf8data)) FORCE
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$(call if_changed,utf8data)
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else
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$(obj)/utf8data.h: $(src)/utf8data.h_shipped FORCE
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$(call if_changed,shipped)
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endif
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targets += utf8data.h
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hostprogs += mkutf8data
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