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6960277270
Add an option to zic.c to dump out all non-obsolete timezone abbreviations defined in the Olson database. Comparing this list to its previous state will clue us in when something happens that we may need to account for in the tznames/ time zone abbreviation lists. The README file's previous exhortation to "just grep for differences" was completely useless advice, in my now-considerable experience; but maybe this will be a bit more useful. As a starting point I built the same list from the tzdata files as they existed in 2006, which is committed here as known_abbrevs.txt. Comparison indeed turned up quite a few changes we had neglected to account for, which I will commit separately.
74 lines
1.9 KiB
Makefile
74 lines
1.9 KiB
Makefile
#-------------------------------------------------------------------------
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#
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# Makefile
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# Makefile for the timezone library
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# IDENTIFICATION
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# src/timezone/Makefile
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#
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#-------------------------------------------------------------------------
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subdir = src/timezone
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top_builddir = ../..
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include $(top_builddir)/src/Makefile.global
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# files to build into backend
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OBJS= localtime.o strftime.o pgtz.o
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# files needed to build zic utility program
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ZICOBJS= zic.o ialloc.o scheck.o localtime.o
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# timezone data files
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TZDATA = africa antarctica asia australasia europe northamerica southamerica \
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pacificnew etcetera factory backward systemv solar87 solar88 solar89
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TZDATAFILES = $(TZDATA:%=$(srcdir)/data/%)
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# which zone should determine the DST rules (not the specific UTC offset!)
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# for POSIX-style timezone specs
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POSIXRULES = US/Eastern
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# use system timezone data?
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ifneq (,$(with_system_tzdata))
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override CPPFLAGS += '-DSYSTEMTZDIR="$(with_system_tzdata)"'
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endif
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include $(top_srcdir)/src/backend/common.mk
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ifeq (,$(with_system_tzdata))
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all: zic
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endif
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# We could do this test in the action section:
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# $(if $(ZIC),$(ZIC),./zic)
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# but gmake versions <= 3.78.1 or perhaps later have a bug
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# that causes a segfault; gmake 3.81 or later fixes this.
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ifeq (,$(ZIC))
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ZIC= ./zic
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endif
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zic: $(ZICOBJS) | submake-libpgport
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$(CC) $(CFLAGS) $(ZICOBJS) $(LDFLAGS) $(LDFLAGS_EX) $(LIBS) -o $@$(X)
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install: all installdirs
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ifeq (,$(with_system_tzdata))
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$(ZIC) -d '$(DESTDIR)$(datadir)/timezone' -p '$(POSIXRULES)' $(TZDATAFILES)
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endif
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$(MAKE) -C tznames $@
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abbrevs.txt: zic $(TZDATAFILES)
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mkdir junkdir
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$(ZIC) -P -d junkdir -p '$(POSIXRULES)' $(TZDATAFILES) | LANG=C sort | uniq >abbrevs.txt
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rm -rf junkdir
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installdirs:
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$(MKDIR_P) '$(DESTDIR)$(datadir)'
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uninstall:
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ifeq (,$(with_system_tzdata))
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rm -rf '$(DESTDIR)$(datadir)/timezone'
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endif
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$(MAKE) -C tznames $@
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clean distclean maintainer-clean:
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rm -f zic$(X) $(ZICOBJS) abbrevs.txt
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