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