Ref: https://github.com/JuliaLang/julia/pull/19725, UnicodeData.txt is
now being cached in JuliaLang/julia's build.
UNICODE_VERSION=9.0.0
UnicodeData.txt:
- $(CURL) $(CURLFLAGS) -o $@ -O $(URLCACHE)http://www.unicode.org/Public/$(UNICODE_VERSION)/ucd/UnicodeData.txt
+ $(CURL) $(CURLFLAGS) -o $@ -O http://www.unicode.org/Public/$(UNICODE_VERSION)/ucd/UnicodeData.txt
EastAsianWidth.txt:
$(CURL) $(CURLFLAGS) -o $@ -O $(URLCACHE)http://www.unicode.org/Public/$(UNICODE_VERSION)/ucd/EastAsianWidth.txt