qdate_localtime/priv/db/Makefile

TZDIR=tzdata
TZ_FILES=$(addprefix $(TZDIR)/, africa antarctica asia australasia backward etcetera europe northamerica southamerica)

tzout: DATE := $(shell date +%F)
tzout: $(TZ_FILES)
	TZ_VERSION=`cat $(TZDIR)/version`; \
	./tz-erl --version $$TZ_VERSION --date $(DATE) -o $@ $^

$(TZ_FILES): $(TZDIR)

$(TZDIR): tzdata-latest.tar.gz
	mkdir $(TZDIR) && cd $(TZDIR) && tar xzf ../$<

tzdata-latest.tar.gz:
	curl -O "ftp://ftp.iana.org/tz/tzdata-latest.tar.gz"
Add tz-erl script to generate timezone database from Olson data. 2014-04-08 09:52:12 -07:00			`TZDIR=tzdata`
			`TZ_FILES=$(addprefix $(TZDIR)/, africa antarctica asia australasia backward etcetera europe northamerica southamerica)`

tz-erl: Better document problem when a zone begins or ends using DST. Worked around 2015 Uraguay problem by allowing database to be generated for 2016 instead (with "make DATE=2016-01-01"). 2015-11-21 22:48:36 +00:00			`tzout: DATE := $(shell date +%F)`
Add tz-erl script to generate timezone database from Olson data. 2014-04-08 09:52:12 -07:00			`tzout: $(TZ_FILES)`
Make a few smaller changes to the db generation. Still not properly functional 2022-12-09 15:34:29 -06:00			TZ_VERSION=`cat $(TZDIR)/version`; \
tz-erl: Better document problem when a zone begins or ends using DST. Worked around 2015 Uraguay problem by allowing database to be generated for 2016 instead (with "make DATE=2016-01-01"). 2015-11-21 22:48:36 +00:00			`./tz-erl --version $$TZ_VERSION --date $(DATE) -o $@ $^`
Add tz-erl script to generate timezone database from Olson data. 2014-04-08 09:52:12 -07:00
			`$(TZ_FILES): $(TZDIR)`

			`$(TZDIR): tzdata-latest.tar.gz`
			`mkdir $(TZDIR) && cd $(TZDIR) && tar xzf ../$<`

			`tzdata-latest.tar.gz:`
			`curl -O "ftp://ftp.iana.org/tz/tzdata-latest.tar.gz"`