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Generate fontforge font files in makefile

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Revise the script to directly read fontforge font files, which are
generated in the makefile. This permits overriding the fontforge path
during the build, and executing fontforge in parallel with make -j.

Avoid duplicating download URLs in the script, which ensures that the
script itself works without network access, e.g., when downloading the
data files on a developer machine with network access and executing the
script on a build machine without network access.
This commit is contained in:
Peter Colberg
2015-10-29 19:48:49 -04:00
parent 9b7184ec56
commit f35e18e4b5
2 changed files with 10 additions and 13 deletions
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12
data/Makefile
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@@ -9,6 +9,7 @@ RUBY=ruby
PERL=perl
MAKE=make
JULIA=julia
FONTFORGE=fontforge
CURLFLAGS = --retry 5 --location
# use JuliaLang caching (https://github.com/staticfloat/cache.julialang.org)
@@ -25,14 +26,17 @@ utf8proc_data.c.new: data_generator.rb UnicodeData.txt GraphemeBreakProperty.txt
# GNU Unifont version for font metric calculations:
UNIFONT_VERSION=8.0.01
unifont-$(UNIFONT_VERSION).ttf:
unifont.ttf:
$(CURL) $(CURLFLAGS) -o $@ $(URLCACHE)http://unifoundry.com/pub/unifont-$(UNIFONT_VERSION)/font-builds/unifont-$(UNIFONT_VERSION).ttf
unifont_upper-$(UNIFONT_VERSION).ttf:
unifont_upper.ttf:
$(CURL) $(CURLFLAGS) -o $@ $(URLCACHE)http://unifoundry.com/pub/unifont-$(UNIFONT_VERSION)/font-builds/unifont_upper-$(UNIFONT_VERSION).ttf
CharWidths.txt: charwidths.jl unifont-$(UNIFONT_VERSION).ttf unifont_upper-$(UNIFONT_VERSION).ttf EastAsianWidth.txt
UNIFONT_VERSION=$(UNIFONT_VERSION) $(JULIA) charwidths.jl > $@
%.sfd: %.ttf
$(FONTFORGE) -lang=ff -c "Open(\"$<\");Save(\"$@\");Quit(0);"
CharWidths.txt: charwidths.jl unifont.sfd unifont_upper.sfd EastAsianWidth.txt
$(JULIA) charwidths.jl > $@
UnicodeData.txt:
$(CURL) $(CURLFLAGS) -o $@ -O $(URLCACHE)http://www.unicode.org/Public/UNIDATA/UnicodeData.txt