unicode: Add utf8-data module
utf8data.h contains a large database table which is an auto-generated
decodification trie for the unicode normalization functions.
Allow building it into a separate module.
Based on a patch from Shreeya Patel <shreeya.patel@collabora.com>.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.com>
diff --git a/fs/unicode/Makefile b/fs/unicode/Makefile
index b88aecc..2f9d918 100644
--- a/fs/unicode/Makefile
+++ b/fs/unicode/Makefile
@@ -2,14 +2,15 @@
obj-$(CONFIG_UNICODE) += unicode.o
obj-$(CONFIG_UNICODE_NORMALIZATION_SELFTEST) += utf8-selftest.o
+obj-$(CONFIG_UNICODE_UTF8_DATA) += utf8data.o
unicode-y := utf8-norm.o utf8-core.o
-$(obj)/utf8-norm.o: $(obj)/utf8data.h
+$(obj)/utf8-data.o: $(obj)/utf8data.c
-# In the normal build, the checked-in utf8data.h is just shipped.
+# In the normal build, the checked-in utf8data.c is just shipped.
#
-# To generate utf8data.h from UCD, put *.txt files in this directory
+# To generate utf8data.c from UCD, put *.txt files in this directory
# and pass REGENERATE_UTF8DATA=1 from the command line.
ifdef REGENERATE_UTF8DATA
@@ -24,15 +25,15 @@
-t $(srctree)/$(src)/NormalizationTest.txt \
-o $@
-$(obj)/utf8data.h: $(obj)/mkutf8data $(filter %.txt, $(cmd_utf8data)) FORCE
+$(obj)/utf8data.c: $(obj)/mkutf8data $(filter %.txt, $(cmd_utf8data)) FORCE
$(call if_changed,utf8data)
else
-$(obj)/utf8data.h: $(src)/utf8data.h_shipped FORCE
+$(obj)/utf8data.c: $(src)/utf8data.c_shipped FORCE
$(call if_changed,shipped)
endif
-targets += utf8data.h
+targets += utf8data.c
hostprogs += mkutf8data