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# <pre>
# @(#)Makefile	8.9
# This file is in the public domain, so clarified as of
# 2009-05-17 by Arthur David Olson.

# Change the line below for your time zone (after finding the zone you want in
# the time zone files, or adding it to a time zone file).
# Alternately, if you discover you've got the wrong time zone, you can just
#	zic -l rightzone
# to correct things.
# Use the command
#	make zonenames
# to get a list of the values you can use for LOCALTIME.

LOCALTIME=	GMT

# If you want something other than Eastern United States time as a template
# for handling POSIX-style time zone environment variables,
# change the line below (after finding the zone you want in the
# time zone files, or adding it to a time zone file).
# (When a POSIX-style environment variable is handled, the rules in the
# template file are used to determine "spring forward" and "fall back" days and
# times; the environment variable itself specifies UTC offsets of standard and
# summer time.)
# Alternately, if you discover you've got the wrong time zone, you can just
#	zic -p rightzone
# to correct things.
# Use the command
#	make zonenames
# to get a list of the values you can use for POSIXRULES.
# If you want POSIX compatibility, use "America/New_York".

POSIXRULES=	America/New_York

# Also see TZDEFRULESTRING below, which takes effect only
# if the time zone files cannot be accessed.

# Everything gets put in subdirectories of. . .

TOPDIR=		/usr/local

# "Compiled" time zone information is placed in the "TZDIR" directory
# (and subdirectories).
# Use an absolute path name for TZDIR unless you're just testing the software.

TZDIR=		$(TOPDIR)/etc/zoneinfo

# The "tzselect", "zic", and "zdump" commands get installed in. . .

ETCDIR=		$(TOPDIR)/etc

# If you "make INSTALL", the "date" command gets installed in. . .

BINDIR=		$(TOPDIR)/bin

# Manual pages go in subdirectories of. . .

MANDIR=		$(TOPDIR)/man

# Library functions are put in an archive in LIBDIR.

LIBDIR=		$(TOPDIR)/lib
TZLIB=		$(LIBDIR)/libtz.a

# If you always want time values interpreted as "seconds since the epoch
# (not counting leap seconds)", use
#	REDO=		posix_only
# below.  If you always want right time values interpreted as "seconds since
# the epoch" (counting leap seconds)", use
#	REDO=		right_only
# below.  If you want both sets of data available, with leap seconds not
# counted normally, use
#	REDO=		posix_right
# below.  If you want both sets of data available, with leap seconds counted
# normally, use
#	REDO=		right_posix
# below.
# POSIX mandates that leap seconds not be counted; for compatibility with it,
# use either "posix_only" or "posix_right".

REDO=		posix_right

# Since "." may not be in PATH...

YEARISTYPE=	./yearistype

# Non-default libraries needed to link.
# Add -lintl if you want to use `gettext' on Solaris.
LDLIBS=

# Add the following to the end of the "CFLAGS=" line as needed.
#  -DHAVE_ADJTIME=0 if `adjtime' does not exist (SVR0?)
#  -DHAVE_GETTEXT=1 if `gettext' works (GNU, Linux, Solaris); also see LDLIBS
#  -DHAVE_INCOMPATIBLE_CTIME_R=1 if your system's time.h declares
#	ctime_r and asctime_r incompatibly with the POSIX standard (Solaris 8).
#  -DHAVE_SETTIMEOFDAY=0 if settimeofday does not exist (SVR0?)
#  -DHAVE_SETTIMEOFDAY=1 if settimeofday has just 1 arg (SVR4)
#  -DHAVE_SETTIMEOFDAY=2 if settimeofday uses 2nd arg (4.3BSD)
#  -DHAVE_SETTIMEOFDAY=3 if settimeofday ignores 2nd arg (4.4BSD)
#  -DHAVE_STDINT_H=1 if you have a pre-C99 compiler with "stdint.h"
#  -DHAVE_SYMLINK=0 if your system lacks the symlink function
#  -DHAVE_SYS_STAT_H=0 if your compiler lacks a "sys/stat.h"
#  -DHAVE_SYS_WAIT_H=0 if your compiler lacks a "sys/wait.h"
#  -DLOCALE_HOME=\"path\" if locales are in "path", not "/usr/lib/locale"
#  -DHAVE_UNISTD_H=0 if your compiler lacks a "unistd.h" (Microsoft C++ 7?)
#  -DHAVE_UTMPX_H=1 if your compiler has a "utmpx.h"
#  -DTZDEFRULESTRING=\",date/time,date/time\" to default to the specified
#	DST transitions if the time zone files cannot be accessed
#  -DTZ_DOMAIN=\"foo\" to use "foo" for gettext domain name; default is "tz"
#  -TTZ_DOMAINDIR=\"/path\" to use "/path" for gettext directory;
#	the default is system-supplied, typically "/usr/lib/locale"
#  $(GCC_DEBUG_FLAGS) if you are using GCC and want lots of checking
#  -DNO_RUN_TIME_WARNINGS_ABOUT_YEAR_2000_PROBLEMS_THANK_YOU=1
#	if you do not want run time warnings about formats that may cause
#	year 2000 grief
#  -DZIC_MAX_ABBR_LEN_WO_WARN=3
#	(or some other number) to set the maximum time zone abbreviation length
#	that zic will accept without a warning (the default is 6)
GCC_DEBUG_FLAGS = -Dlint -g -O -fno-common \
	-Wall -Wcast-qual -Wconversion -Wmissing-prototypes \
	-Wnested-externs -Wpointer-arith -Wshadow \
	-Wtraditional # -Wstrict-prototypes -Wwrite-strings
#
# If you want to use System V compatibility code, add
#	-DUSG_COMPAT
# to the end of the "CFLAGS=" line.  This arrange for "timezone" and "daylight"
# variables to be kept up-to-date by the time conversion functions.  Neither
# "timezone" nor "daylight" is described in X3J11's work.
#
# If your system has a "GMT offset" field in its "struct tm"s
# (or if you decide to add such a field in your system's "time.h" file),
# add the name to a define such as
#	-DTM_GMTOFF=tm_gmtoff
# or
#	-DTM_GMTOFF=_tm_gmtoff
# to the end of the "CFLAGS=" line.
# Neither tm_gmtoff nor _tm_gmtoff is described in X3J11's work;
# in its work, use of "tm_gmtoff" is described as non-conforming.
# Both Linux and BSD have done the equivalent of defining TM_GMTOFF in
# their recent releases.
#
# If your system has a "zone abbreviation" field in its "struct tm"s
# (or if you decide to add such a field in your system's "time.h" file),
# add the name to a define such as
#	-DTM_ZONE=tm_zone
# or
#	-DTM_ZONE=_tm_zone
# to the end of the "CFLAGS=" line.
# Neither tm_zone nor _tm_zone is described in X3J11's work;
# in its work, use of "tm_zone" is described as non-conforming.
# Both UCB and Sun have done the equivalent of defining TM_ZONE in
# their recent releases.
#
# If you want functions that were inspired by early versions of X3J11's work,
# add
#	-DSTD_INSPIRED
# to the end of the "CFLAGS=" line.  This arranges for the functions
# "tzsetwall", "offtime", "timelocal", "timegm", "timeoff",
# "posix2time", and "time2posix" to be added to the time conversion library.
# "tzsetwall" is like "tzset" except that it arranges for local wall clock
# time (rather than the time specified in the TZ environment variable)
# to be used.
# "offtime" is like "gmtime" except that it accepts a second (long) argument
# that gives an offset to add to the time_t when converting it.
# "timelocal" is equivalent to "mktime".
# "timegm" is like "timelocal" except that it turns a struct tm into
# a time_t using UTC (rather than local time as "timelocal" does).
# "timeoff" is like "timegm" except that it accepts a second (long) argument
# that gives an offset to use when converting to a time_t.
# "posix2time" and "time2posix" are described in an included manual page.
# X3J11's work does not describe any of these functions.
# Sun has provided "tzsetwall", "timelocal", and "timegm" in SunOS 4.0.
# These functions may well disappear in future releases of the time
# conversion package.
#
# If you want Source Code Control System ID's left out of object modules, add
#	-DNOID
# to the end of the "CFLAGS=" line.
#
# If you'll never want to handle solar-time-based time zones, add
#	-DNOSOLAR
# to the end of the "CFLAGS=" line
# (and comment out the "SDATA=" line below).
# This reduces (slightly) the run-time data-space requirements of
# the time conversion functions; it may reduce the acceptability of your system
# to folks in oil- and cash-rich places.
#
# If you want to allocate state structures in localtime, add
#	-DALL_STATE
# to the end of the "CFLAGS=" line.  Storage is obtained by calling malloc.
#
# If you want an "altzone" variable (a la System V Release 3.1), add
#	-DALTZONE
# to the end of the "CFLAGS=" line.
# This variable is not described in X3J11's work.
#
# If you want a "gtime" function (a la MACH), add
#	-DCMUCS
# to the end of the "CFLAGS=" line
# This function is not described in X3J11's work.
#
# NIST-PCTS:151-2, Version 1.4, (1993-12-03) is a test suite put
# out by the National Institute of Standards and Technology
# which claims to test C and Posix conformance.  If you want to pass PCTS, add
#	-DPCTS
# to the end of the "CFLAGS=" line.
#
# If you want strict compliance with XPG4 as of 1994-04-09, add
#	-DXPG4_1994_04_09
# to the end of the "CFLAGS=" line.  This causes "strftime" to always return
# 53 as a week number (rather than 52 or 53) for those days in January that
# before the first Monday in January when a "%V" format is used and January 1
# falls on a Friday, Saturday, or Sunday.

CFLAGS=

# If you want zic's -s option used when installing, uncomment the next line
# ZFLAGS=	-s

zic=		./zic
ZIC=		$(zic) $(ZFLAGS)

# The name of a Posix-compliant `awk' on your system.
AWK=		nawk

# The path where SGML DTDs are kept.
SGML_SEARCH_PATH= $(TOPDIR)/share/doc/sgml-lib/REC-html401-19991224/

# The catalog file(s) to use when validating.
SGML_CATALOG_FILES= HTML4.cat

# The name, arguments and environment of a program to validate your web pages.
# See <http://www.jclark.com/sp/> for a validator, and
# <http://validator.w3.org/source/> for a validation library.
VALIDATE = nsgmls
VALIDATE_FLAGS = -s -B -wall -wno-unused-param
VALIDATE_ENV = \
  SGML_CATALOG_FILES=$(SGML_CATALOG_FILES) \
  SGML_SEARCH_PATH=$(SGML_SEARCH_PATH) \
  SP_CHARSET_FIXED=YES \
  SP_ENCODING=UTF-8

###############################################################################

cc=		cc
CC=		$(cc) -DTZDIR=\"$(TZDIR)\"

TZCSRCS=	zic.c localtime.c asctime.c scheck.c ialloc.c
TZCOBJS=	zic.o localtime.o asctime.o scheck.o ialloc.o
TZDSRCS=	zdump.c localtime.c ialloc.c
TZDOBJS=	zdump.o localtime.o ialloc.o
DATESRCS=	date.c localtime.c strftime.c asctime.c
DATEOBJS=	date.o localtime.o strftime.o asctime.o
LIBSRCS=	localtime.c asctime.c difftime.c
LIBOBJS=	localtime.o asctime.o difftime.o
HEADERS=	tzfile.h private.h
NONLIBSRCS=	zic.c zdump.c scheck.c ialloc.c
NEWUCBSRCS=	date.c strftime.c
SOURCES=	$(HEADERS) $(LIBSRCS) $(NONLIBSRCS) $(NEWUCBSRCS) tzselect.ksh
MANS=		newctime.3 newstrftime.3 newtzset.3 time2posix.3 \
			tzfile.5 tzselect.8 zic.8 zdump.8
DOCS=		README Theory $(MANS) date.1 Makefile
PRIMARY_YDATA=	africa antarctica asia australasia \
		europe northamerica southamerica
YDATA=		$(PRIMARY_YDATA) pacificnew etcetera backward
NDATA=		systemv factory
SDATA=		solar87 solar88 solar89
TDATA=		$(YDATA) $(NDATA) $(SDATA)
TABDATA=	iso3166.tab zone.tab
DATA=		$(YDATA) $(NDATA) $(SDATA) $(TABDATA) leapseconds yearistype.sh
WEB_PAGES=	tz-art.htm tz-link.htm
MISC=		usno1988 usno1989 usno1989a usno1995 usno1997 usno1998 \
			itca.jpg $(WEB_PAGES) checktab.awk workman.sh \
			zoneinfo2tdf.pl
ENCHILADA=	$(DOCS) $(SOURCES) $(DATA) $(MISC)

# And for the benefit of csh users on systems that assume the user
# shell should be used to handle commands in Makefiles. . .

SHELL=		/bin/sh

all:		tzselect zic zdump $(LIBOBJS)

ALL:		all date

install:	all $(DATA) $(REDO) $(TZLIB) $(MANS) $(TABDATA)
		$(ZIC) -y $(YEARISTYPE) \
			-d $(TZDIR) -l $(LOCALTIME) -p $(POSIXRULES)
		-rm -f $(TZDIR)/iso3166.tab $(TZDIR)/zone.tab
		cp iso3166.tab zone.tab $(TZDIR)/.
		-mkdir $(TOPDIR) $(ETCDIR)
		cp tzselect zic zdump $(ETCDIR)/.
		-mkdir $(TOPDIR) $(MANDIR) \
			$(MANDIR)/man3 $(MANDIR)/man5 $(MANDIR)/man8
		-rm -f $(MANDIR)/man3/newctime.3 \
			$(MANDIR)/man3/newtzset.3 \
			$(MANDIR)/man5/tzfile.5 \
			$(MANDIR)/man8/tzselect.8 \
			$(MANDIR)/man8/zdump.8 \
			$(MANDIR)/man8/zic.8
		cp newctime.3 newtzset.3 $(MANDIR)/man3/.
		cp tzfile.5 $(MANDIR)/man5/.
		cp tzselect.8 zdump.8 zic.8 $(MANDIR)/man8/.

INSTALL:	ALL install date.1
		-mkdir $(TOPDIR) $(BINDIR)
		cp date $(BINDIR)/.
		-mkdir $(TOPDIR) $(MANDIR) $(MANDIR)/man1
		-rm -f $(MANDIR)/man1/date.1
		cp date.1 $(MANDIR)/man1/.

zdump:		$(TZDOBJS)
		$(CC) $(CFLAGS) $(LFLAGS) $(TZDOBJS) $(LDLIBS) -o $@

zic:		$(TZCOBJS) yearistype
		$(CC) $(CFLAGS) $(LFLAGS) $(TZCOBJS) $(LDLIBS) -o $@

yearistype:	yearistype.sh
		cp yearistype.sh yearistype
		chmod +x yearistype

posix_only:	zic $(TDATA)
		$(ZIC) -y $(YEARISTYPE) -d $(TZDIR) -L /dev/null $(TDATA)

right_only:	zic leapseconds $(TDATA)
		$(ZIC) -y $(YEARISTYPE) -d $(TZDIR) -L leapseconds $(TDATA)

# In earlier versions of this makefile, the other two directories were
# subdirectories of $(TZDIR).  However, this led to configuration errors.
# For example, with posix_right under the earlier scheme,
# TZ='right/Australia/Adelaide' got you localtime with leap seconds,
# but gmtime without leap seconds, which led to problems with applications
# like sendmail that subtract gmtime from localtime.
# Therefore, the other two directories are now siblings of $(TZDIR).
# You must replace all of $(TZDIR) to switch from not using leap seconds
# to using them, or vice versa.
other_two:	zic leapseconds $(TDATA)
		$(ZIC) -y $(YEARISTYPE) -d $(TZDIR)-posix -L /dev/null $(TDATA)
		$(ZIC) -y $(YEARISTYPE) \
			-d $(TZDIR)-leaps -L leapseconds $(TDATA)

posix_right:	posix_only other_two

right_posix:	right_only other_two

zones:		$(REDO)

$(TZLIB):	$(LIBOBJS)
		-mkdir $(TOPDIR) $(LIBDIR)
		ar ru $@ $(LIBOBJS)
		if [ -x /usr/ucb/ranlib -o -x /usr/bin/ranlib ] ; \
			then ranlib $@ ; fi

date:		$(DATEOBJS)
		$(CC) $(CFLAGS) date.o localtime.o asctime.o strftime.o \
			$(LDLIBS) -lc -o $@

tzselect:	tzselect.ksh
		sed \
			-e 's|AWK=[^}]*|AWK=$(AWK)|g' \
			-e 's|TZDIR=[^}]*|TZDIR=$(TZDIR)|' \
			<$? >$@
		chmod +x $@

check:		check_tables check_web

check_tables:	checktab.awk $(PRIMARY_YDATA)
		$(AWK) -f checktab.awk $(PRIMARY_YDATA)

check_web:	$(WEB_PAGES)
		$(VALIDATE_ENV) $(VALIDATE) $(VALIDATE_FLAGS) $(WEB_PAGES)

clean:
		rm -f core *.o *.out tzselect zdump zic yearistype date

maintainer-clean: clean
		@echo 'This command is intended for maintainers to use; it'
		@echo 'deletes files that may need special tools to rebuild.'
		rm -f *.[1-8].txt tzcode.tar.gz tzdata.tar.gz

names:
		@echo $(ENCHILADA)

# The zics below ensure that each data file can stand on its own.
# We also do an all-files run to catch links to links.

public:		$(ENCHILADA)
		make maintainer-clean
		make "CFLAGS=$(GCC_DEBUG_FLAGS)"
		-mkdir /tmp/,tzpublic
		-for i in $(TDATA) ; do zic -v -d /tmp/,tzpublic $$i 2>&1 | grep -v "starting year" ; done
		for i in $(TDATA) ; do zic -d /tmp/,tzpublic $$i || exit; done
		zic -v -d /tmp/,tzpublic $(TDATA) || exit
		rm -f -r /tmp/,tzpublic
		for i in *.[1-8] ; do sh workman.sh $$i > $$i.txt || exit; done
		$(AWK) -f checktab.awk $(PRIMARY_YDATA)
		tar cf - $(DOCS) $(SOURCES) $(MISC) *.[1-8].txt | gzip -9 > tzcode.tar.gz
		tar cf - $(DATA) | gzip -9 > tzdata.tar.gz

typecheck:
		make clean
		for i in "long long" unsigned double; \
		do \
			make CFLAGS="-DTYPECHECK -D_TIME_T \"-Dtime_t=$$i\"" ; \
			./zdump -v Europe/Rome ; \
			make clean ; \
		done

zonenames:	$(TDATA)
		@$(AWK) '/^Zone/ { print $$2 } /^Link/ { print $$3 }' $(TDATA)

asctime.o:	private.h tzfile.h
date.o:		private.h
difftime.o:	private.h
ialloc.o:	private.h
localtime.o:	private.h tzfile.h
scheck.o:	private.h
strftime.o:	tzfile.h
zic.o:		private.h tzfile.h

.KEEP_STATE: