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Makefile
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TZDB_VERSION := 2024a
TZ_REPO := ../../tz
ACETIME_TOOLS := ../../AceTimeTools
VALIDATION_TOOLS := $(abspath ../tools)
EPOCH_YEAR := 1970
BASIC_START_YEAR := 2000
BASIC_UNTIL_YEAR := 2100
EXTENDED_START_YEAR := 2000
EXTENDED_UNTIL_YEAR := 2200
COMPLETE_START_YEAR := 1800
COMPLETE_UNTIL_YEAR := 2200
#------------------------------------------------------------------------------
# Extract the 'Zone' entries from the TZDB files.
zones.txt: tzdb
echo '# Zones from TZDB $(TZDB_VERSION)' > $@
grep --no-filename '^Zone' tzdb/* | awk '{print $$2}' | sort | uniq >> $@
# Copy the TZDB data files into the ./tzdb/ directory.
tzdb: # $(ACETIME_TOOLS)/copytz.sh $(TZ_REPO)/
$(ACETIME_TOOLS)/copytz.sh --tag $(TZDB_VERSION) $(TZ_REPO) $@
echo $(TZDB_VERSION) > $@/version.txt
#------------------------------------------------------------------------------
# Run the validation targets which are expected to pass after a new TZDB is
# released. This can be invoked with 'make -j4' to run the dependent targets in
# parallel because they are independent.
validation: \
diff_acetime_basic \
diff_acetime_extended \
diff_acetime_complete \
diff_acetimec \
diff_acetimego \
diff_acetimepy \
diff_hinnant
# Additional targets which need to be recompiled, or need to wait for an OS
# update before they become comformant with the latest TZDB_VERSION.
# diff_libc
# - conformant, ignoring DST offsets
# - depends on OS version, so non-deterministic
# diff_noda
# - fully conformant
# - not set up in GitHub Actions
# diff_zoneinfo
# - mismatched DST offset with 32 zones
# diff_gotime
# - mismatch 23 zones
# diff_java
# - 3 missing zones (EST, HST, MST)
# - ~100 zones with mismatching DST offset
# - 7 zones with mismatching epochSeconds, after ignoring DST offset
#------------------------------------------------------------------------------
observed.json: zone.txt Makefile
$(VALIDATION_TOOLS)/compare_acetz/compare_acetz.py \
--start_year $(BASIC_START_YEAR) \
--until_year $(BASIC_UNTIL_YEAR) \
--epoch_year $(EPOCH_YEAR) \
--use_internal_transition \
< zone.txt \
> $@
observed.txt: observed.json
$(VALIDATION_TOOLS)/flatten_validation/flatten.py \
< $< > $@
expected.json: zone.txt Makefile
$(VALIDATION_TOOLS)/compare_acetimec/compare_acetimec.out \
--start_year $(BASIC_START_YEAR) \
--until_year $(BASIC_UNTIL_YEAR) \
--epoch_year $(EPOCH_YEAR) \
< zone.txt \
> $@
expected.txt: expected.json
$(VALIDATION_TOOLS)/flatten_validation/flatten.py \
< $< > $@
diff: expected.txt observed.txt
$(VALIDATION_TOOLS)/diff_validation/diff.py \
--observed observed.json \
--expected expected.json
#------------------------------------------------------------------------------
# Baseline (acetime_complete)
#------------------------------------------------------------------------------
baseline.json: acetime_complete.json
cp $< $@
# The extra dependency to 'baseline.json' is needed to guarantee that
# baseline.json to exist if baseline.txt exists.
baseline.txt: acetime_complete.txt baseline.json
cp acetime_complete.txt $@
#------------------------------------------------------------------------------
# AceTime library
#------------------------------------------------------------------------------
# Takes about 8 secs to process 350 zones on a dual-core i5-6300U computer.
acetime_basic.json: zones.txt
$(VALIDATION_TOOLS)/compare_acetime/compare_acetime.out \
--start_year $(BASIC_START_YEAR) \
--until_year $(BASIC_UNTIL_YEAR) \
--epoch_year $(EPOCH_YEAR) \
--scope basic \
< zones.txt \
> $@
acetime_basic.txt: acetime_basic.json
$(VALIDATION_TOOLS)/flatten_validation/flatten.py \
< $< > $@
# Takes about 15 secs to process 350 zones on a dual-core i5-6300U computer.
acetime_extended.json: zones.txt
$(VALIDATION_TOOLS)/compare_acetime/compare_acetime.out \
--start_year $(BASIC_START_YEAR) \
--until_year $(BASIC_UNTIL_YEAR) \
--epoch_year $(EPOCH_YEAR) \
--scope extended \
< zones.txt \
> $@
acetime_extended.txt: acetime_extended.json
$(VALIDATION_TOOLS)/flatten_validation/flatten.py \
< $< > $@
# Takes about 51 secs to process 350 zones on a dual-core i5-6300U computer.
acetime_complete.json: zones.txt
$(VALIDATION_TOOLS)/compare_acetime/compare_acetime.out \
--start_year $(COMPLETE_START_YEAR) \
--until_year $(COMPLETE_UNTIL_YEAR) \
--epoch_year $(EPOCH_YEAR) \
--scope complete \
< zones.txt \
> $@
acetime_complete.txt: acetime_complete.json
$(VALIDATION_TOOLS)/flatten_validation/flatten.py \
< $< > $@
diff_acetime_basic: acetime_basic.txt baseline.txt
$(VALIDATION_TOOLS)/diff_validation/diff.py \
--observed acetime_basic.json \
--expected baseline.json
diff_acetime_extended: acetime_extended.txt baseline.txt
$(VALIDATION_TOOLS)/diff_validation/diff.py \
--observed acetime_extended.json \
--expected baseline.json
diff_acetime_complete: acetime_complete.txt baseline.txt
$(VALIDATION_TOOLS)/diff_validation/diff.py \
--observed acetime_complete.json \
--expected baseline.json
#------------------------------------------------------------------------------
# acetimec library
#------------------------------------------------------------------------------
# Takes about 33 secs to process 350 zones on a dual-core i5-6300U computer.
acetimec.json: zones.txt
$(VALIDATION_TOOLS)/compare_acetimec/compare_acetimec.out \
--start_year $(COMPLETE_START_YEAR) \
--until_year $(COMPLETE_UNTIL_YEAR) \
--epoch_year $(EPOCH_YEAR) \
--zonedb zonedball \
< zones.txt \
> $@
acetimec.txt: acetimec.json
$(VALIDATION_TOOLS)/flatten_validation/flatten.py \
< $< > $@
diff_acetimec: acetimec.txt baseline.txt
$(VALIDATION_TOOLS)/diff_validation/diff.py \
--observed acetimec.json \
--expected baseline.json
#------------------------------------------------------------------------------
# acetimego library
#------------------------------------------------------------------------------
# Takes about 25 secs to process 350 zones on a dual-core i5-6300U computer.
acetimego.json: zones.txt
$(VALIDATION_TOOLS)/compare_acetimego/compare_acetimego.out \
--start_year $(COMPLETE_START_YEAR) \
--until_year $(COMPLETE_UNTIL_YEAR) \
--epoch_year $(EPOCH_YEAR) \
< zones.txt \
> $@
acetimego.txt: acetimego.json
$(VALIDATION_TOOLS)/flatten_validation/flatten.py \
< $< > $@
diff_acetimego: acetimego.txt baseline.txt
$(VALIDATION_TOOLS)/diff_validation/diff.py \
--observed acetimego.json \
--expected baseline.json
#------------------------------------------------------------------------------
# acetimepy library
#------------------------------------------------------------------------------
# Takes about 140 secs to process 350 zones on a dual-core i5-6300U computer.
# The result must be identical to acetimepy.json.
acetimepy.json: zones.txt
$(VALIDATION_TOOLS)/compare_acetz/compare_acetz.py \
--start_year $(COMPLETE_START_YEAR) \
--until_year $(COMPLETE_UNTIL_YEAR) \
--epoch_year $(EPOCH_YEAR) \
--use_internal_transition \
< zones.txt \
> $@
acetimepy.txt: acetimepy.json
$(VALIDATION_TOOLS)/flatten_validation/flatten.py \
< $< > $@
diff_acetimepy: acetimepy.txt baseline.txt
$(VALIDATION_TOOLS)/diff_validation/diff.py \
--observed acetimepy.json \
--expected baseline.json
#------------------------------------------------------------------------------
# dateutil library. Valid only until 2038 due to 32-bit epoch seconds.
#------------------------------------------------------------------------------
# Takes about 7 mins to process 350 zones on a dual-core i5-6300U computer.
dateutil.json: zones.txt
$(VALIDATION_TOOLS)/compare_dateutil/compare_dateutil.py \
--start_year $(BASIC_START_YEAR) \
--until_year $(BASIC_UNTIL_YEAR) \
--epoch_year $(EPOCH_YEAR) \
< zones.txt \
> $@
dateutil.txt: dateutil.json
$(VALIDATION_TOOLS)/flatten_validation/flatten.py \
< $< > $@
diff_dateutil: dateutil.txt baseline.txt
$(VALIDATION_TOOLS)/diff_validation/diff.py \
--observed dateutil.json \
--expected baseline.json
#------------------------------------------------------------------------------
# Go time library.
# * [1800,2200): Fails validation for 23 zones
#------------------------------------------------------------------------------
# Takes about 32 secs to process 350 zones.
gotime.json: zones.txt
$(VALIDATION_TOOLS)/compare_gotime/compare_gotime.out \
--start_year $(COMPLETE_START_YEAR) \
--until_year $(COMPLETE_UNTIL_YEAR) \
--epoch_year $(EPOCH_YEAR) \
< zones.txt \
> $@
gotime.txt: gotime.json
$(VALIDATION_TOOLS)/flatten_validation/flatten.py \
< $< > $@
diff_gotime: gotime.txt baseline.txt
$(VALIDATION_TOOLS)/diff_validation/diff.py \
--observed gotime.json \
--expected baseline.json
#------------------------------------------------------------------------------
# Hinnant date library
#------------------------------------------------------------------------------
# Takes about 70 secs to process 350 zones on a dual-core i5-6300U computer.
hinnant.json: zones.txt
$(VALIDATION_TOOLS)/compare_hinnant/compare_hinnant.out \
--start_year $(COMPLETE_START_YEAR) \
--until_year $(COMPLETE_UNTIL_YEAR) \
--epoch_year $(EPOCH_YEAR) \
< zones.txt \
> $@
hinnant.txt: hinnant.json
$(VALIDATION_TOOLS)/flatten_validation/flatten.py \
< $< > $@
diff_hinnant: hinnant.txt baseline.txt
$(VALIDATION_TOOLS)/diff_validation/diff.py \
--observed hinnant.json \
--expected baseline.json
#------------------------------------------------------------------------------
# Java time library
#------------------------------------------------------------------------------
# Takes about 45 secs to process 350 zones on a dual-core i5-6300U computer.
java.json: zones.txt
java -cp $(VALIDATION_TOOLS)/compare_java CompareJava \
--start_year $(COMPLETE_START_YEAR) \
--until_year $(COMPLETE_UNTIL_YEAR) \
--epoch_year $(EPOCH_YEAR) \
< zones.txt \
> $@
java.txt: java.json
$(VALIDATION_TOOLS)/flatten_validation/flatten.py \
< $< > $@
diff_java: java.txt baseline.txt
$(VALIDATION_TOOLS)/diff_validation/diff.py \
--observed java.json \
--expected baseline.json
#------------------------------------------------------------------------------
# libc library
#------------------------------------------------------------------------------
# Takes about 13 secs to process 350 zones on a dual-core i5-6300U computer.
libc.json: zones.txt
$(VALIDATION_TOOLS)/compare_libc/compare_libc.out \
--start_year $(COMPLETE_START_YEAR) \
--until_year $(COMPLETE_UNTIL_YEAR) \
--epoch_year $(EPOCH_YEAR) \
< zones.txt \
> $@
libc.txt: libc.json
$(VALIDATION_TOOLS)/flatten_validation/flatten.py \
< $< > $@
diff_libc: libc.txt baseline.txt
$(VALIDATION_TOOLS)/diff_validation/diff.py \
--observed libc.json \
--expected baseline.json
#------------------------------------------------------------------------------
# NodaTime library
#------------------------------------------------------------------------------
# These Makefile targets copied from ../tests/NodaBasicTest and
# ../tests/NodaExtendedTest.
# Location of the https://github.com/nodatime/nodatime repo, assuming to be
# a sibling to this project.
NODA_TIME_DIR := $(abspath ../../nodatime)
NODA_COMPILER_DIR := $(NODA_TIME_DIR)/src/NodaTime.TzdbCompiler
# Takes about ~120 (!) secs to process 350 zones on a dual-core i5-6300U
# computer. The main bottleneck is the Console.WriteLine() function which seems
# to be incredibly slow on Csharp.
noda.json: \
zones.txt \
$(VALIDATION_TOOLS)/compare_noda/Program.cs \
tzdata$(TZDB_VERSION).nzd
dotnet run \
--framework net6.0 \
--project $(VALIDATION_TOOLS)/compare_noda/compare_noda.csproj \
-- \
--start_year $(COMPLETE_START_YEAR) \
--until_year $(COMPLETE_UNTIL_YEAR) \
--epoch_year $(EPOCH_YEAR) \
--nzd_file tzdata$(TZDB_VERSION).nzd \
< zones.txt \
> $@
noda.txt: noda.json
$(VALIDATION_TOOLS)/flatten_validation/flatten.py \
< $< > $@
# Generate the custom tzdata{xxx}.nzd file, depending on TZDB_VERSION.
tzdata$(TZDB_VERSION).nzd: $(NODA_COMPILER_DIR)/bin/Debug/net6.0/NodaTime.TzdbCompiler
$(NODA_COMPILER_DIR)/bin/Debug/net6.0/NodaTime.TzdbCompiler \
-s https://data.iana.org/time-zones/releases/tzdata$(TZDB_VERSION).tar.gz \
-w $(NODA_TIME_DIR)/data/cldr/windowsZones-42.xml \
-o $@
# Build the TzdbCompiler inside its own directory and explicitly invoke the
# binary. If I use 'dotnet run --project xxx', it complains about not finding a
# bunch of files.
$(NODA_COMPILER_DIR)/bin/Debug/net6.0/NodaTime.TzdbCompiler:
cd $(NODA_COMPILER_DIR); \
dotnet build
diff_noda: noda.txt baseline.txt
$(VALIDATION_TOOLS)/diff_validation/diff.py \
--observed noda.json \
--expected baseline.json
#------------------------------------------------------------------------------
# zoneinfo library
#------------------------------------------------------------------------------
# Takes about 40 secs to process 350 zones on a dual-core i5-6300U computer.
zoneinfo.json: zones.txt
$(VALIDATION_TOOLS)/compare_zoneinfo/compare_zoneinfo.py \
--start_year $(COMPLETE_START_YEAR) \
--until_year $(COMPLETE_UNTIL_YEAR) \
--epoch_year $(EPOCH_YEAR) \
< zones.txt \
> $@
zoneinfo.txt: zoneinfo.json
$(VALIDATION_TOOLS)/flatten_validation/flatten.py \
< $< > $@
diff_zoneinfo: zoneinfo.txt baseline.txt
$(VALIDATION_TOOLS)/diff_validation/diff.py \
--observed zoneinfo.json \
--expected baseline.json
#------------------------------------------------------------------------------
clean:
rm -rf tzdb
rm -f tz*.nzd *.json *.txt