1# SPDX-License-Identifier: GPL-2.0 2 3ifneq ($(CONFIG_UNICODE),) 4obj-y += unicode.o 5endif 6obj-$(CONFIG_UNICODE) += utf8data.o 7obj-$(CONFIG_UNICODE_NORMALIZATION_SELFTEST) += utf8-selftest.o 8 9unicode-y := utf8-norm.o utf8-core.o 10 11$(obj)/utf8-data.o: $(obj)/utf8data.c 12 13# In the normal build, the checked-in utf8data.c is just shipped. 14# 15# To generate utf8data.c from UCD, put *.txt files in this directory 16# and pass REGENERATE_UTF8DATA=1 from the command line. 17ifdef REGENERATE_UTF8DATA 18 19quiet_cmd_utf8data = GEN $@ 20 cmd_utf8data = $< \ 21 -a $(srctree)/$(src)/DerivedAge.txt \ 22 -c $(srctree)/$(src)/DerivedCombiningClass.txt \ 23 -p $(srctree)/$(src)/DerivedCoreProperties.txt \ 24 -d $(srctree)/$(src)/UnicodeData.txt \ 25 -f $(srctree)/$(src)/CaseFolding.txt \ 26 -n $(srctree)/$(src)/NormalizationCorrections.txt \ 27 -t $(srctree)/$(src)/NormalizationTest.txt \ 28 -o $@ 29 30$(obj)/utf8data.c: $(obj)/mkutf8data $(filter %.txt, $(cmd_utf8data)) FORCE 31 $(call if_changed,utf8data) 32 33else 34 35$(obj)/utf8data.c: $(src)/utf8data.c_shipped FORCE 36 $(call if_changed,copy) 37 38endif 39 40targets += utf8data.c 41hostprogs += mkutf8data 42