1# Make and install tzdb code and data. 2 3# This file is in the public domain, so clarified as of 4# 2009-05-17 by Arthur David Olson. 5 6# Package name for the code distribution. 7PACKAGE= tzcode 8 9# Version number for the distribution, overridden in the 'tarballs' rule below. 10VERSION= unknown 11 12# Email address for bug reports. 13BUGEMAIL= tz@iana.org 14 15# DATAFORM selects the data format. 16# Available formats represent essentially the same data, albeit 17# possibly with minor discrepancies that users are not likely to notice. 18# To get new features and the best data right away, use: 19# DATAFORM= vanguard 20# To wait a while before using new features, to give downstream users 21# time to upgrade zic (the default), use: 22# DATAFORM= main 23# To wait even longer for new features, use: 24# DATAFORM= rearguard 25# Rearguard users might also want "ZFLAGS = -b fat"; see below. 26DATAFORM= main 27 28# Change the line below for your timezone (after finding the one you want in 29# one of the $(TDATA) source files, or adding it to a source file). 30# Alternatively, if you discover you've got the wrong timezone, you can just 31# 'zic -l -' to remove it, or 'zic -l rightzone' to change it. 32# Use the command 33# make zonenames 34# to get a list of the values you can use for LOCALTIME. 35 36LOCALTIME= Factory 37 38# The POSIXRULES macro controls interpretation of nonstandard and obsolete 39# POSIX-like TZ settings like TZ='EET-2EEST' that lack DST transition rules. 40# Such a setting uses the rules in a template file to determine 41# "spring forward" and "fall back" days and times; the environment 42# variable itself specifies UT offsets of standard and daylight saving time. 43# 44# If POSIXRULES is '-', no template is installed; this is the default. 45# 46# Any other value for POSIXRULES is obsolete and should not be relied on, as: 47# * It does not work correctly in popular implementations such as GNU/Linux. 48# * It does not work even in tzcode, except for historical timestamps 49# that precede the last explicit transition in the POSIXRULES file. 50# Hence it typically does not work for current and future timestamps. 51# In short, software should avoid ruleless settings like TZ='EET-2EEST' 52# and so should not depend on the value of POSIXRULES. 53# 54# If, despite the above, you want a template for handling these settings, 55# you can change the line below (after finding the timezone you want in the 56# one of the $(TDATA) source files, or adding it to a source file). 57# Alternatively, if you discover you've got the wrong timezone, you can just 58# 'zic -p -' to remove it, or 'zic -p rightzone' to change it. 59# Use the command 60# make zonenames 61# to get a list of the values you can use for POSIXRULES. 62 63POSIXRULES= - 64 65# Also see TZDEFRULESTRING below, which takes effect only 66# if the time zone files cannot be accessed. 67 68 69# Installation locations. 70# 71# The defaults are suitable for Debian, except that if REDO is 72# posix_right or right_posix then files that Debian puts under 73# /usr/share/zoneinfo/posix and /usr/share/zoneinfo/right are instead 74# put under /usr/share/zoneinfo-posix and /usr/share/zoneinfo-leaps, 75# respectively. Problems with the Debian approach are discussed in 76# the commentary for the right_posix rule (below). 77 78# Destination directory, which can be used for staging. 79# 'make DESTDIR=/stage install' installs under /stage (e.g., to 80# /stage/etc/localtime instead of to /etc/localtime). Files under 81# /stage are not intended to work as-is, but can be copied by hand to 82# the root directory later. If DESTDIR is empty, 'make install' does 83# not stage, but installs directly into production locations. 84DESTDIR = 85 86# Everything is installed into subdirectories of TOPDIR, and used there. 87# TOPDIR should be empty (meaning the root directory), 88# or a directory name that does not end in "/". 89# TOPDIR should be empty or an absolute name unless you're just testing. 90TOPDIR = 91 92# The default local timezone is taken from the file TZDEFAULT. 93TZDEFAULT = $(TOPDIR)/etc/localtime 94 95# The subdirectory containing installed program and data files, and 96# likewise for installed files that can be shared among architectures. 97# These should be relative file names. 98USRDIR = usr 99USRSHAREDIR = $(USRDIR)/share 100 101# "Compiled" timezone information is placed in the "TZDIR" directory 102# (and subdirectories). 103# TZDIR_BASENAME should not contain "/" and should not be ".", ".." or empty. 104TZDIR_BASENAME= zoneinfo 105TZDIR = $(TOPDIR)/$(USRSHAREDIR)/$(TZDIR_BASENAME) 106 107# The "tzselect" and (if you do "make INSTALL") "date" commands go in: 108BINDIR = $(TOPDIR)/$(USRDIR)/bin 109 110# The "zdump" command goes in: 111ZDUMPDIR = $(BINDIR) 112 113# The "zic" command goes in: 114ZICDIR = $(TOPDIR)/$(USRDIR)/sbin 115 116# Manual pages go in subdirectories of. . . 117MANDIR = $(TOPDIR)/$(USRSHAREDIR)/man 118 119# Library functions are put in an archive in LIBDIR. 120LIBDIR = $(TOPDIR)/$(USRDIR)/lib 121 122 123# Types to try, as an alternative to time_t. 124TIME_T_ALTERNATIVES = $(TIME_T_ALTERNATIVES_HEAD) $(TIME_T_ALTERNATIVES_TAIL) 125TIME_T_ALTERNATIVES_HEAD = int_least64_t 126TIME_T_ALTERNATIVES_TAIL = int_least32_t uint_least32_t uint_least64_t 127 128# What kind of TZif data files to generate. (TZif is the binary time 129# zone data format that zic generates; see Internet RFC 8536.) 130# If you want only POSIX time, with time values interpreted as 131# seconds since the epoch (not counting leap seconds), use 132# REDO= posix_only 133# below. If you want only "right" time, with values interpreted 134# as seconds since the epoch (counting leap seconds), use 135# REDO= right_only 136# below. If you want both sets of data available, with leap seconds not 137# counted normally, use 138# REDO= posix_right 139# below. If you want both sets of data available, with leap seconds counted 140# normally, use 141# REDO= right_posix 142# below. POSIX mandates that leap seconds not be counted; for compatibility 143# with it, use "posix_only" or "posix_right". Use POSIX time on systems with 144# leap smearing; this can work better than unsmeared "right" time with 145# applications that are not leap second aware, and is closer to unsmeared 146# "right" time than unsmeared POSIX time is (e.g., 0.5 vs 1.0 s max error). 147 148REDO= posix_right 149 150# Whether to put an "Expires" line in the leapseconds file. 151# Use EXPIRES_LINE=1 to put the line in, 0 to omit it. 152# The EXPIRES_LINE value matters only if REDO's value contains "right". 153# If you change EXPIRES_LINE, remove the leapseconds file before running "make". 154# zic's support for the Expires line was introduced in tzdb 2020a, 155# and was modified in tzdb 2021b to generate version 4 TZif files. 156# EXPIRES_LINE defaults to 0 for now so that the leapseconds file 157# can be given to pre-2020a zic implementations and so that TZif files 158# built by newer zic implementations can be read by pre-2021b libraries. 159EXPIRES_LINE= 0 160 161# To install data in text form that has all the information of the TZif data, 162# (optionally incorporating leap second information), use 163# TZDATA_TEXT= tzdata.zi leapseconds 164# To install text data without leap second information (e.g., because 165# REDO='posix_only'), use 166# TZDATA_TEXT= tzdata.zi 167# To avoid installing text data, use 168# TZDATA_TEXT= 169 170TZDATA_TEXT= leapseconds tzdata.zi 171 172# For backward-compatibility links for old zone names, use 173# BACKWARD= backward 174# To omit these links, use 175# BACKWARD= 176 177BACKWARD= backward 178 179# If you want out-of-scope and often-wrong data from the file 'backzone', 180# but only for entries listed in the backward-compatibility file zone.tab, use 181# PACKRATDATA= backzone 182# PACKRATLIST= zone.tab 183# If you want all the 'backzone' data, use 184# PACKRATDATA= backzone 185# PACKRATLIST= 186# To omit this data, use 187# PACKRATDATA= 188# PACKRATLIST= 189 190PACKRATDATA= 191PACKRATLIST= 192 193# The name of a locale using the UTF-8 encoding, used during self-tests. 194# The tests are skipped if the name does not appear to work on this system. 195 196UTF8_LOCALE= en_US.utf8 197 198# Non-default libraries needed to link. 199LDLIBS= 200 201# Add the following to the end of the "CFLAGS=" line as needed to override 202# defaults specified in the source code. "-DFOO" is equivalent to "-DFOO=1". 203# -DDEPRECATE_TWO_DIGIT_YEARS for optional runtime warnings about strftime 204# formats that generate only the last two digits of year numbers 205# -DEPOCH_LOCAL if the 'time' function returns local time not UT 206# -DEPOCH_OFFSET=N if the 'time' function returns a value N greater 207# than what POSIX specifies, assuming local time is UT. 208# For example, N is 252460800 on AmigaOS. 209# -DHAVE_DECL_ASCTIME_R=0 if <time.h> does not declare asctime_r 210# -DHAVE_DECL_ENVIRON if <unistd.h> declares 'environ' 211# -DHAVE_DIRECT_H if mkdir needs <direct.h> (MS-Windows) 212# -DHAVE_GENERIC=0 if _Generic does not work 213# -DHAVE_GETTEXT if 'gettext' works (e.g., GNU/Linux, FreeBSD, Solaris) 214# -DHAVE_INCOMPATIBLE_CTIME_R if your system's time.h declares 215# ctime_r and asctime_r incompatibly with the POSIX standard 216# (Solaris when _POSIX_PTHREAD_SEMANTICS is not defined). 217# -DHAVE_INTTYPES_H if you have a non-C99 compiler with <inttypes.h> 218# -DHAVE_LINK=0 if your system lacks a link function 219# -DHAVE_LOCALTIME_R=0 if your system lacks a localtime_r function 220# -DHAVE_LOCALTIME_RZ=0 if you do not want zdump to use localtime_rz 221# localtime_rz can make zdump significantly faster, but is nonstandard. 222# -DHAVE_MALLOC_ERRNO=0 if malloc etc. do not set errno on failure. 223# -DHAVE_POSIX_DECLS=0 if your system's include files do not declare 224# functions like 'link' or variables like 'tzname' required by POSIX 225# -DHAVE_SNPRINTF=0 if your system lacks the snprintf function 226# -DHAVE_STDBOOL_H if you have a non-C99 compiler with <stdbool.h> 227# -DHAVE_STDINT_H if you have a non-C99 compiler with <stdint.h> 228# -DHAVE_STRFTIME_L if <time.h> declares locale_t and strftime_l 229# -DHAVE_STRDUP=0 if your system lacks the strdup function 230# -DHAVE_STRTOLL=0 if your system lacks the strtoll function 231# -DHAVE_SYMLINK=0 if your system lacks the symlink function 232# -DHAVE_SYS_STAT_H=0 if your compiler lacks a <sys/stat.h> 233# -DHAVE_TZSET=0 if your system lacks a tzset function 234# -DHAVE_UNISTD_H=0 if your compiler lacks a <unistd.h> 235# -Dlocale_t=XXX if your system uses XXX instead of locale_t 236# -DRESERVE_STD_EXT_IDS if your platform reserves standard identifiers 237# with external linkage, e.g., applications cannot define 'localtime'. 238# -Dssize_t=long on hosts like MS-Windows that lack ssize_t 239# -DSUPPRESS_TZDIR to not prepend TZDIR to file names; this has 240# security implications and is not recommended for general use 241# -DTHREAD_SAFE to make localtime.c thread-safe, as POSIX requires; 242# not needed by the main-program tz code, which is single-threaded. 243# Append other compiler flags as needed, e.g., -pthread on GNU/Linux. 244# -Dtime_tz=\"T\" to use T as the time_t type, rather than the system time_t 245# This is intended for internal use only; it mangles external names. 246# -DTZ_DOMAIN=\"foo\" to use "foo" for gettext domain name; default is "tz" 247# -DTZ_DOMAINDIR=\"/path\" to use "/path" for gettext directory; 248# the default is system-supplied, typically "/usr/lib/locale" 249# -DTZDEFRULESTRING=\",date/time,date/time\" to default to the specified 250# DST transitions if the time zone files cannot be accessed 251# -DUNINIT_TRAP if reading uninitialized storage can cause problems 252# other than simply getting garbage data 253# -DUSE_LTZ=0 to build zdump with the system time zone library 254# Also set TZDOBJS=zdump.o and CHECK_TIME_T_ALTERNATIVES= below. 255# -DZIC_BLOAT_DEFAULT=\"fat\" to default zic's -b option to "fat", and 256# similarly for "slim". Fat TZif files work around incompatibilities 257# and bugs in some TZif readers, notably readers that mishandle 64-bit 258# data in TZif files. Slim TZif files are more efficient and do not 259# work around these incompatibilities and bugs. If not given, the 260# default is "slim". 261# -DZIC_MAX_ABBR_LEN_WO_WARN=3 262# (or some other number) to set the maximum time zone abbreviation length 263# that zic will accept without a warning (the default is 6) 264# $(GCC_DEBUG_FLAGS) if you are using recent GCC and want lots of checking 265# Select instrumentation via "make GCC_INSTRUMENT='whatever'". 266GCC_INSTRUMENT = \ 267 -fsanitize=undefined -fsanitize-address-use-after-scope \ 268 -fsanitize-undefined-trap-on-error -fstack-protector 269# Omit -fanalyzer from GCC_DEBUG_FLAGS, as it makes GCC too slow. 270GCC_DEBUG_FLAGS = -DGCC_LINT -g3 -O3 -fno-common \ 271 $(GCC_INSTRUMENT) \ 272 -Wall -Wextra \ 273 -Walloc-size-larger-than=100000 -Warray-bounds=2 \ 274 -Wbad-function-cast -Wbidi-chars=any,ucn -Wcast-align=strict -Wdate-time \ 275 -Wdeclaration-after-statement -Wdouble-promotion \ 276 -Wduplicated-branches -Wduplicated-cond \ 277 -Wformat=2 -Wformat-overflow=2 -Wformat-signedness -Wformat-truncation \ 278 -Winit-self -Wlogical-op \ 279 -Wmissing-declarations -Wmissing-prototypes -Wnested-externs \ 280 -Wnull-dereference \ 281 -Wold-style-definition -Woverlength-strings -Wpointer-arith \ 282 -Wshadow -Wshift-overflow=2 -Wstrict-overflow \ 283 -Wstrict-prototypes -Wstringop-overflow=4 \ 284 -Wstringop-truncation -Wsuggest-attribute=cold \ 285 -Wsuggest-attribute=const -Wsuggest-attribute=format \ 286 -Wsuggest-attribute=malloc \ 287 -Wsuggest-attribute=noreturn -Wsuggest-attribute=pure \ 288 -Wtrampolines -Wundef -Wuninitialized -Wunused-macros -Wuse-after-free=3 \ 289 -Wvariadic-macros -Wvla -Wwrite-strings \ 290 -Wno-address -Wno-format-nonliteral -Wno-sign-compare \ 291 -Wno-type-limits -Wno-unused-parameter 292# 293# If your system has a "GMT offset" field in its "struct tm"s 294# (or if you decide to add such a field in your system's "time.h" file), 295# add the name to a define such as 296# -DTM_GMTOFF=tm_gmtoff 297# to the end of the "CFLAGS=" line. If not defined, the code attempts to 298# guess TM_GMTOFF from other macros; define NO_TM_GMTOFF to suppress this. 299# Similarly, if your system has a "zone abbreviation" field, define 300# -DTM_ZONE=tm_zone 301# and define NO_TM_ZONE to suppress any guessing. Although these two fields 302# not required by POSIX, a future version of POSIX is planned to require them 303# and they are widely available on GNU/Linux and BSD systems. 304# 305# The next batch of options control support for external variables 306# exported by tzcode. In practice these variables are less useful 307# than TM_GMTOFF and TM_ZONE. However, most of them are standardized. 308# # 309# # To omit or support the external variable "tzname", add one of: 310# # -DHAVE_TZNAME=0 # do not support "tzname" 311# # -DHAVE_TZNAME=1 # support "tzname", which is defined by system library 312# # -DHAVE_TZNAME=2 # support and define "tzname" 313# # to the "CFLAGS=" line. "tzname" is required by POSIX 1988 and later. 314# # If not defined, the code attempts to guess HAVE_TZNAME from other macros. 315# # Warning: unless time_tz is also defined, HAVE_TZNAME=1 can cause 316# # crashes when combined with some platforms' standard libraries, 317# # presumably due to memory allocation issues. 318# # 319# # To omit or support the external variables "timezone" and "daylight", add 320# # -DUSG_COMPAT=0 # do not support 321# # -DUSG_COMPAT=1 # support, and variables are defined by system library 322# # -DUSG_COMPAT=2 # support and define variables 323# # to the "CFLAGS=" line; "timezone" and "daylight" are inspired by 324# # Unix Systems Group code and are required by POSIX 2008 (with XSI) and later. 325# # If not defined, the code attempts to guess USG_COMPAT from other macros. 326# # 327# # To support the external variable "altzone", add 328# # -DALTZONE=0 # do not support 329# # -DALTZONE=1 # support "altzone", which is defined by system library 330# # -DALTZONE=2 # support and define "altzone" 331# # to the end of the "CFLAGS=" line; although "altzone" appeared in 332# # System V Release 3.1 it has not been standardized. 333# # If not defined, the code attempts to guess ALTZONE from other macros. 334# 335# If you want functions that were inspired by early versions of X3J11's work, 336# add 337# -DSTD_INSPIRED 338# to the end of the "CFLAGS=" line. This arranges for the functions 339# "offtime", "timelocal", "timegm", "timeoff", 340# "posix2time", and "time2posix" to be added to the time conversion library. 341# "offtime" is like "gmtime" except that it accepts a second (long) argument 342# that gives an offset to add to the time_t when converting it. 343# "timelocal" is equivalent to "mktime". 344# "timegm" is like "timelocal" except that it turns a struct tm into 345# a time_t using UT (rather than local time as "timelocal" does). 346# "timeoff" is like "timegm" except that it accepts a second (long) argument 347# that gives an offset to use when converting to a time_t. 348# "posix2time" and "time2posix" are described in an included manual page. 349# X3J11's work does not describe any of these functions. 350# These functions may well disappear in future releases of the time 351# conversion package. 352# 353# If you don't want functions that were inspired by NetBSD, add 354# -DNETBSD_INSPIRED=0 355# to the end of the "CFLAGS=" line. Otherwise, the functions 356# "localtime_rz", "mktime_z", "tzalloc", and "tzfree" are added to the 357# time library, and if STD_INSPIRED is also defined the functions 358# "posix2time_z" and "time2posix_z" are added as well. 359# The functions ending in "_z" (or "_rz") are like their unsuffixed 360# (or suffixed-by-"_r") counterparts, except with an extra first 361# argument of opaque type timezone_t that specifies the timezone. 362# "tzalloc" allocates a timezone_t value, and "tzfree" frees it. 363# 364# If you want to allocate state structures in localtime, add 365# -DALL_STATE 366# to the end of the "CFLAGS=" line. Storage is obtained by calling malloc. 367# 368# NIST-PCTS:151-2, Version 1.4, (1993-12-03) is a test suite put 369# out by the National Institute of Standards and Technology 370# which claims to test C and Posix conformance. If you want to pass PCTS, add 371# -DPCTS 372# to the end of the "CFLAGS=" line. 373# 374# If you want strict compliance with XPG4 as of 1994-04-09, add 375# -DXPG4_1994_04_09 376# to the end of the "CFLAGS=" line. This causes "strftime" to always return 377# 53 as a week number (rather than 52 or 53) for January days before 378# January's first Monday when a "%V" format is used and January 1 379# falls on a Friday, Saturday, or Sunday. 380 381CFLAGS= 382 383# Linker flags. Default to $(LFLAGS) for backwards compatibility 384# to release 2012h and earlier. 385 386LDFLAGS= $(LFLAGS) 387 388# For leap seconds, this Makefile uses LEAPSECONDS='-L leapseconds' in 389# submake command lines. The default is no leap seconds. 390 391LEAPSECONDS= 392 393# The zic command and its arguments. 394 395zic= ./zic 396ZIC= $(zic) $(ZFLAGS) 397 398# To shrink the size of installed TZif files, 399# append "-r @N" to omit data before N-seconds-after-the-Epoch. 400# To grow the files and work around older application bugs, append "-b fat"; 401# see ZIC_BLOAT_DEFAULT above. 402# See the zic man page for more about -b and -r. 403ZFLAGS= 404 405# How to use zic to install TZif files. 406 407ZIC_INSTALL= $(ZIC) -d '$(DESTDIR)$(TZDIR)' $(LEAPSECONDS) 408 409# The name of a Posix-compliant 'awk' on your system. 410# mawk 1.3.3 and Solaris 10 /usr/bin/awk do not work. 411# Also, it is better (though not essential) if 'awk' supports UTF-8, 412# and unfortunately mawk and busybox awk do not support UTF-8. 413# Try AWK=gawk or AWK=nawk if your awk has the abovementioned problems. 414AWK= awk 415 416# The full path name of a Posix-compliant shell, preferably one that supports 417# the Korn shell's 'select' statement as an extension. 418# These days, Bash is the most popular. 419# It should be OK to set this to /bin/sh, on platforms where /bin/sh 420# lacks 'select' or doesn't completely conform to Posix, but /bin/bash 421# is typically nicer if it works. 422KSHELL= /bin/bash 423 424# Name of curl <https://curl.haxx.se/>, used for HTML validation. 425CURL= curl 426 427# Name of GNU Privacy Guard <https://gnupg.org/>, used to sign distributions. 428GPG= gpg 429 430# This expensive test requires USE_LTZ. 431# To suppress it, define this macro to be empty. 432CHECK_TIME_T_ALTERNATIVES = check_time_t_alternatives 433 434# SAFE_CHAR is a regular expression that matches a safe character. 435# Some parts of this distribution are limited to safe characters; 436# others can use any UTF-8 character. 437# For now, the safe characters are a safe subset of ASCII. 438# The caller must set the shell variable 'sharp' to the character '#', 439# since Makefile macros cannot contain '#'. 440# TAB_CHAR is a single tab character, in single quotes. 441TAB_CHAR= ' ' 442SAFE_CHARSET1= $(TAB_CHAR)' !\"'$$sharp'$$%&'\''()*+,./0123456789:;<=>?@' 443SAFE_CHARSET2= 'ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\^_`' 444SAFE_CHARSET3= 'abcdefghijklmnopqrstuvwxyz{|}~' 445SAFE_CHARSET= $(SAFE_CHARSET1)$(SAFE_CHARSET2)$(SAFE_CHARSET3) 446SAFE_CHAR= '[]'$(SAFE_CHARSET)'-]' 447 448# These characters are Latin-1, and so are likely to be displayable 449# even in editors with limited character sets. 450UNUSUAL_OK_LATIN_1 = «°±»½¾× 451# This IPA symbol is represented in Unicode as the composition of 452# U+0075 and U+032F, and U+032F is not considered alphabetic by some 453# grep implementations that do not grok composition. 454UNUSUAL_OK_IPA = u̯ 455# Non-ASCII non-letters that OK_CHAR allows, as these characters are 456# useful in commentary. 457UNUSUAL_OK_CHARSET= $(UNUSUAL_OK_LATIN_1)$(UNUSUAL_OK_IPA) 458 459# Put this in a bracket expression to match spaces. 460s = [:space:] 461 462# OK_CHAR matches any character allowed in the distributed files. 463# This is the same as SAFE_CHAR, except that UNUSUAL_OK_CHARSET and 464# multibyte letters are also allowed so that commentary can contain a 465# few safe symbols and people's names and can quote non-English sources. 466# Other non-letters are limited to ASCII renderings for the 467# convenience of maintainers using XEmacs 21.5.34, which by default 468# mishandles Unicode characters U+0100 and greater. 469OK_CHAR= '[][:alpha:]$(UNUSUAL_OK_CHARSET)'$(SAFE_CHARSET)'-]' 470 471# SAFE_LINE matches a line of safe characters. 472# SAFE_SHARP_LINE is similar, except any OK character can follow '#'; 473# this is so that comments can contain non-ASCII characters. 474# OK_LINE matches a line of OK characters. 475SAFE_LINE= '^'$(SAFE_CHAR)'*$$' 476SAFE_SHARP_LINE='^'$(SAFE_CHAR)'*('$$sharp$(OK_CHAR)'*)?$$' 477OK_LINE= '^'$(OK_CHAR)'*$$' 478 479# Flags to give 'tar' when making a distribution. 480# Try to use flags appropriate for GNU tar. 481GNUTARFLAGS= --format=pax --pax-option='delete=atime,delete=ctime' \ 482 --numeric-owner --owner=0 --group=0 \ 483 --mode=go+u,go-w --sort=name 484TARFLAGS= `if tar $(GNUTARFLAGS) --version >/dev/null 2>&1; \ 485 then echo $(GNUTARFLAGS); \ 486 else :; \ 487 fi` 488 489# Flags to give 'gzip' when making a distribution. 490GZIPFLAGS= -9n 491 492############################################################################### 493 494#MAKE= make 495 496cc= cc 497CC= $(cc) -DTZDIR='"$(TZDIR)"' 498 499AR= ar 500 501# ':' on typical hosts; 'ranlib' on the ancient hosts that still need ranlib. 502RANLIB= : 503 504TZCOBJS= zic.o 505TZDOBJS= zdump.o localtime.o asctime.o strftime.o 506DATEOBJS= date.o localtime.o strftime.o asctime.o 507LIBSRCS= localtime.c asctime.c difftime.c strftime.c 508LIBOBJS= localtime.o asctime.o difftime.o strftime.o 509HEADERS= tzfile.h private.h 510NONLIBSRCS= zic.c zdump.c 511NEWUCBSRCS= date.c 512SOURCES= $(HEADERS) $(LIBSRCS) $(NONLIBSRCS) $(NEWUCBSRCS) \ 513 tzselect.ksh workman.sh 514MANS= newctime.3 newstrftime.3 newtzset.3 time2posix.3 \ 515 tzfile.5 tzselect.8 zic.8 zdump.8 516MANTXTS= newctime.3.txt newstrftime.3.txt newtzset.3.txt \ 517 time2posix.3.txt \ 518 tzfile.5.txt tzselect.8.txt zic.8.txt zdump.8.txt \ 519 date.1.txt 520COMMON= calendars CONTRIBUTING LICENSE Makefile \ 521 NEWS README SECURITY theory.html version 522WEB_PAGES= tz-art.html tz-how-to.html tz-link.html 523CHECK_WEB_PAGES=check_theory.html check_tz-art.html \ 524 check_tz-how-to.html check_tz-link.html 525DOCS= $(MANS) date.1 $(MANTXTS) $(WEB_PAGES) 526PRIMARY_YDATA= africa antarctica asia australasia \ 527 europe northamerica southamerica 528YDATA= $(PRIMARY_YDATA) etcetera 529NDATA= factory 530TDATA_TO_CHECK= $(YDATA) $(NDATA) backward 531TDATA= $(YDATA) $(NDATA) $(BACKWARD) 532ZONETABLES= zone1970.tab zone.tab 533TABDATA= iso3166.tab $(TZDATA_TEXT) $(ZONETABLES) 534LEAP_DEPS= leapseconds.awk leap-seconds.list 535TZDATA_ZI_DEPS= ziguard.awk zishrink.awk version $(TDATA) \ 536 $(PACKRATDATA) $(PACKRATLIST) 537DSTDATA_ZI_DEPS= ziguard.awk $(TDATA) $(PACKRATDATA) $(PACKRATLIST) 538DATA= $(TDATA_TO_CHECK) backzone iso3166.tab leap-seconds.list \ 539 leapseconds $(ZONETABLES) 540AWK_SCRIPTS= checklinks.awk checktab.awk leapseconds.awk \ 541 ziguard.awk zishrink.awk 542MISC= $(AWK_SCRIPTS) 543TZS_YEAR= 2050 544TZS_CUTOFF_FLAG= -c $(TZS_YEAR) 545TZS= to$(TZS_YEAR).tzs 546TZS_NEW= to$(TZS_YEAR)new.tzs 547TZS_DEPS= $(YDATA) asctime.c localtime.c \ 548 private.h tzfile.h zdump.c zic.c 549TZDATA_DIST = $(COMMON) $(DATA) $(MISC) 550# EIGHT_YARDS is just a yard short of the whole ENCHILADA. 551EIGHT_YARDS = $(TZDATA_DIST) $(DOCS) $(SOURCES) tzdata.zi 552ENCHILADA = $(EIGHT_YARDS) $(TZS) 553 554# Consult these files when deciding whether to rebuild the 'version' file. 555# This list is not the same as the output of 'git ls-files', since 556# .gitignore is not distributed. 557VERSION_DEPS= \ 558 calendars CONTRIBUTING LICENSE Makefile NEWS README SECURITY \ 559 africa antarctica asctime.c asia australasia \ 560 backward backzone \ 561 checklinks.awk checktab.awk \ 562 date.1 date.c difftime.c \ 563 etcetera europe factory iso3166.tab \ 564 leap-seconds.list leapseconds.awk localtime.c \ 565 newctime.3 newstrftime.3 newtzset.3 northamerica \ 566 private.h southamerica strftime.c theory.html \ 567 time2posix.3 tz-art.html tz-how-to.html tz-link.html \ 568 tzfile.5 tzfile.h tzselect.8 tzselect.ksh \ 569 workman.sh zdump.8 zdump.c zic.8 zic.c \ 570 ziguard.awk zishrink.awk \ 571 zone.tab zone1970.tab 572 573# And for the benefit of csh users on systems that assume the user 574# shell should be used to handle commands in Makefiles. . . 575 576SHELL= /bin/sh 577 578all: tzselect zic zdump libtz.a $(TABDATA) \ 579 vanguard.zi main.zi rearguard.zi 580 581ALL: all date $(ENCHILADA) 582 583install: all $(DATA) $(REDO) $(MANS) 584 mkdir -p '$(DESTDIR)$(BINDIR)' \ 585 '$(DESTDIR)$(ZDUMPDIR)' '$(DESTDIR)$(ZICDIR)' \ 586 '$(DESTDIR)$(LIBDIR)' \ 587 '$(DESTDIR)$(MANDIR)/man3' '$(DESTDIR)$(MANDIR)/man5' \ 588 '$(DESTDIR)$(MANDIR)/man8' 589 $(ZIC_INSTALL) -l $(LOCALTIME) \ 590 `case '$(POSIXRULES)' in ?*) echo '-p';; esac \ 591 ` $(POSIXRULES) \ 592 -t '$(DESTDIR)$(TZDEFAULT)' 593 cp -f $(TABDATA) '$(DESTDIR)$(TZDIR)/.' 594 cp tzselect '$(DESTDIR)$(BINDIR)/.' 595 cp zdump '$(DESTDIR)$(ZDUMPDIR)/.' 596 cp zic '$(DESTDIR)$(ZICDIR)/.' 597 cp libtz.a '$(DESTDIR)$(LIBDIR)/.' 598 $(RANLIB) '$(DESTDIR)$(LIBDIR)/libtz.a' 599 cp -f newctime.3 newtzset.3 '$(DESTDIR)$(MANDIR)/man3/.' 600 cp -f tzfile.5 '$(DESTDIR)$(MANDIR)/man5/.' 601 cp -f tzselect.8 zdump.8 zic.8 '$(DESTDIR)$(MANDIR)/man8/.' 602 603INSTALL: ALL install date.1 604 mkdir -p '$(DESTDIR)$(BINDIR)' '$(DESTDIR)$(MANDIR)/man1' 605 cp date '$(DESTDIR)$(BINDIR)/.' 606 cp -f date.1 '$(DESTDIR)$(MANDIR)/man1/.' 607 608# Calculate version number from git, if available. 609# Otherwise, use $(VERSION) unless it is "unknown" and there is already 610# a 'version' file, in which case reuse the existing 'version' contents 611# and append "-dirty" if the contents do not already end in "-dirty". 612version: $(VERSION_DEPS) 613 { (type git) >/dev/null 2>&1 && \ 614 V=`git describe --match '[0-9][0-9][0-9][0-9][a-z]*' \ 615 --abbrev=7 --dirty` || \ 616 if test '$(VERSION)' = unknown && V=`cat $@`; then \ 617 case $$V in *-dirty);; *) V=$$V-dirty;; esac; \ 618 else \ 619 V='$(VERSION)'; \ 620 fi; } && \ 621 printf '%s\n' "$$V" >$@.out 622 mv $@.out $@ 623 624# These files can be tailored by setting BACKWARD, PACKRATDATA, PACKRATLIST. 625vanguard.zi main.zi rearguard.zi: $(DSTDATA_ZI_DEPS) 626 $(AWK) \ 627 -v DATAFORM=`expr $@ : '\(.*\).zi'` \ 628 -v PACKRATDATA='$(PACKRATDATA)' \ 629 -v PACKRATLIST='$(PACKRATLIST)' \ 630 -f ziguard.awk \ 631 $(TDATA) $(PACKRATDATA) >$@.out 632 mv $@.out $@ 633# This file has a version comment that attempts to capture any tailoring 634# via BACKWARD, DATAFORM, PACKRATDATA, PACKRATLIST, and REDO. 635tzdata.zi: $(DATAFORM).zi version zishrink.awk 636 version=`sed 1q version` && \ 637 LC_ALL=C $(AWK) \ 638 -v dataform='$(DATAFORM)' \ 639 -v deps='$(DSTDATA_ZI_DEPS) zishrink.awk' \ 640 -v redo='$(REDO)' \ 641 -v version="$$version" \ 642 -f zishrink.awk \ 643 $(DATAFORM).zi >$@.out 644 mv $@.out $@ 645 646version.h: version 647 VERSION=`cat version` && printf '%s\n' \ 648 'static char const PKGVERSION[]="($(PACKAGE)) ";' \ 649 "static char const TZVERSION[]=\"$$VERSION\";" \ 650 'static char const REPORT_BUGS_TO[]="$(BUGEMAIL)";' \ 651 >$@.out 652 mv $@.out $@ 653 654zdump: $(TZDOBJS) 655 $(CC) -o $@ $(CFLAGS) $(LDFLAGS) $(TZDOBJS) $(LDLIBS) 656 657zic: $(TZCOBJS) 658 $(CC) -o $@ $(CFLAGS) $(LDFLAGS) $(TZCOBJS) $(LDLIBS) 659 660leapseconds: $(LEAP_DEPS) 661 $(AWK) -v EXPIRES_LINE=$(EXPIRES_LINE) \ 662 -f leapseconds.awk leap-seconds.list >$@.out 663 mv $@.out $@ 664 665# Arguments to pass to submakes of install_data. 666# They can be overridden by later submake arguments. 667INSTALLARGS = \ 668 BACKWARD='$(BACKWARD)' \ 669 DESTDIR='$(DESTDIR)' \ 670 LEAPSECONDS='$(LEAPSECONDS)' \ 671 PACKRATDATA='$(PACKRATDATA)' \ 672 PACKRATLIST='$(PACKRATLIST)' \ 673 TZDEFAULT='$(TZDEFAULT)' \ 674 TZDIR='$(TZDIR)' \ 675 ZIC='$(ZIC)' 676 677INSTALL_DATA_DEPS = zic leapseconds tzdata.zi 678 679# 'make install_data' installs one set of TZif files. 680install_data: $(INSTALL_DATA_DEPS) 681 $(ZIC_INSTALL) tzdata.zi 682 683posix_only: $(INSTALL_DATA_DEPS) 684 $(MAKE) $(INSTALLARGS) LEAPSECONDS= install_data 685 686right_only: $(INSTALL_DATA_DEPS) 687 $(MAKE) $(INSTALLARGS) LEAPSECONDS='-L leapseconds' \ 688 install_data 689 690# In earlier versions of this makefile, the other two directories were 691# subdirectories of $(TZDIR). However, this led to configuration errors. 692# For example, with posix_right under the earlier scheme, 693# TZ='right/Australia/Adelaide' got you localtime with leap seconds, 694# but gmtime without leap seconds, which led to problems with applications 695# like sendmail that subtract gmtime from localtime. 696# Therefore, the other two directories are now siblings of $(TZDIR). 697# You must replace all of $(TZDIR) to switch from not using leap seconds 698# to using them, or vice versa. 699right_posix: right_only 700 rm -fr '$(DESTDIR)$(TZDIR)-leaps' 701 ln -s '$(TZDIR_BASENAME)' '$(DESTDIR)$(TZDIR)-leaps' || \ 702 $(MAKE) $(INSTALLARGS) TZDIR='$(TZDIR)-leaps' right_only 703 $(MAKE) $(INSTALLARGS) TZDIR='$(TZDIR)-posix' posix_only 704 705posix_right: posix_only 706 rm -fr '$(DESTDIR)$(TZDIR)-posix' 707 ln -s '$(TZDIR_BASENAME)' '$(DESTDIR)$(TZDIR)-posix' || \ 708 $(MAKE) $(INSTALLARGS) TZDIR='$(TZDIR)-posix' posix_only 709 $(MAKE) $(INSTALLARGS) TZDIR='$(TZDIR)-leaps' right_only 710 711zones: $(REDO) 712 713# dummy.zd is not a real file; it is mentioned here only so that the 714# top-level 'make' does not have a syntax error. 715ZDS = dummy.zd 716# Rule used only by submakes invoked by the $(TZS_NEW) rule. 717# It is separate so that GNU 'make -j' can run instances in parallel. 718$(ZDS): zdump 719 ./zdump -i $(TZS_CUTOFF_FLAG) '$(wd)/'$$(expr $@ : '\(.*\).zd') \ 720 >$@ 721 722TZS_NEW_DEPS = tzdata.zi zdump zic 723$(TZS_NEW): $(TZS_NEW_DEPS) 724 rm -fr tzs$(TZS_YEAR).dir 725 mkdir tzs$(TZS_YEAR).dir 726 $(zic) -d tzs$(TZS_YEAR).dir tzdata.zi 727 $(AWK) '/^L/{print "Link\t" $$2 "\t" $$3}' \ 728 tzdata.zi | LC_ALL=C sort >$@.out 729 wd=`pwd` && \ 730 x=`$(AWK) '/^Z/{print "tzs$(TZS_YEAR).dir/" $$2 ".zd"}' \ 731 tzdata.zi \ 732 | LC_ALL=C sort -t . -k 2,2` && \ 733 set x $$x && \ 734 shift && \ 735 ZDS=$$* && \ 736 $(MAKE) wd="$$wd" TZS_CUTOFF_FLAG="$(TZS_CUTOFF_FLAG)" \ 737 ZDS="$$ZDS" $$ZDS && \ 738 sed 's,^TZ=".*\.dir/,TZ=",' $$ZDS >>$@.out 739 rm -fr tzs$(TZS_YEAR).dir 740 mv $@.out $@ 741 742# If $(TZS) exists but 'make check_tzs' fails, a maintainer should inspect the 743# failed output and fix the inconsistency, perhaps by running 'make force_tzs'. 744$(TZS): 745 touch $@ 746 747force_tzs: $(TZS_NEW) 748 cp $(TZS_NEW) $(TZS) 749 750libtz.a: $(LIBOBJS) 751 rm -f $@ 752 $(AR) -rc $@ $(LIBOBJS) 753 $(RANLIB) $@ 754 755date: $(DATEOBJS) 756 $(CC) -o $@ $(CFLAGS) $(LDFLAGS) $(DATEOBJS) $(LDLIBS) 757 758tzselect: tzselect.ksh version 759 VERSION=`cat version` && sed \ 760 -e 's|#!/bin/bash|#!$(KSHELL)|g' \ 761 -e 's|AWK=[^}]*|AWK='\''$(AWK)'\''|g' \ 762 -e 's|\(PKGVERSION\)=.*|\1='\''($(PACKAGE)) '\''|' \ 763 -e 's|\(REPORT_BUGS_TO\)=.*|\1=$(BUGEMAIL)|' \ 764 -e 's|TZDIR=[^}]*|TZDIR=$(TZDIR)|' \ 765 -e 's|\(TZVERSION\)=.*|\1='"$$VERSION"'|' \ 766 <$@.ksh >$@.out 767 chmod +x $@.out 768 mv $@.out $@ 769 770check: check_character_set check_white_space check_links \ 771 check_name_lengths check_slashed_abbrs check_sorted \ 772 check_tables check_web check_ziguard check_zishrink check_tzs 773 774check_character_set: $(ENCHILADA) 775 test ! '$(UTF8_LOCALE)' || \ 776 ! printf 'A\304\200B\n' | \ 777 LC_ALL='$(UTF8_LOCALE)' grep -q '^A.B$$' >/dev/null 2>&1 || { \ 778 LC_ALL='$(UTF8_LOCALE)' && export LC_ALL && \ 779 sharp='#' && \ 780 ! grep -Env $(SAFE_LINE) $(MANS) date.1 $(MANTXTS) \ 781 $(MISC) $(SOURCES) $(WEB_PAGES) \ 782 CONTRIBUTING LICENSE README SECURITY \ 783 version tzdata.zi && \ 784 ! grep -Env $(SAFE_LINE)'|^UNUSUAL_OK_'$(OK_CHAR)'*$$' \ 785 Makefile && \ 786 ! grep -Env $(SAFE_SHARP_LINE) $(TDATA_TO_CHECK) backzone \ 787 leapseconds zone.tab && \ 788 ! grep -Env $(OK_LINE) $(ENCHILADA); \ 789 } 790 touch $@ 791 792check_white_space: $(ENCHILADA) 793 patfmt=' \t|[\f\r\v]' && pat=`printf "$$patfmt\\n"` && \ 794 ! grep -En "$$pat" \ 795 $$(ls $(ENCHILADA) | grep -Fvx leap-seconds.list) 796 ! grep -n '[$s]$$' \ 797 $$(ls $(ENCHILADA) | grep -Fvx leap-seconds.list) 798 touch $@ 799 800PRECEDES_FILE_NAME = ^(Zone|Link[$s]+[^$s]+)[$s]+ 801FILE_NAME_COMPONENT_TOO_LONG = $(PRECEDES_FILE_NAME)[^$s]*[^/$s]{15} 802 803check_name_lengths: $(TDATA_TO_CHECK) backzone 804 ! grep -En '$(FILE_NAME_COMPONENT_TOO_LONG)' \ 805 $(TDATA_TO_CHECK) backzone 806 touch $@ 807 808PRECEDES_STDOFF = ^(Zone[$s]+[^$s]+)?[$s]+ 809STDOFF = [-+]?[0-9:.]+ 810RULELESS_SAVE = (-|$(STDOFF)[sd]?) 811RULELESS_SLASHED_ABBRS = \ 812 $(PRECEDES_STDOFF)$(STDOFF)[$s]+$(RULELESS_SAVE)[$s]+[^$s]*/ 813 814check_slashed_abbrs: $(TDATA_TO_CHECK) 815 ! grep -En '$(RULELESS_SLASHED_ABBRS)' $(TDATA_TO_CHECK) 816 touch $@ 817 818CHECK_CC_LIST = { n = split($$1,a,/,/); for (i=2; i<=n; i++) print a[1], a[i]; } 819 820check_sorted: backward backzone iso3166.tab zone.tab zone1970.tab 821 $(AWK) '/^Link/ {print $$3}' backward | LC_ALL=C sort -cu 822 $(AWK) '/^Zone/ {print $$2}' backzone | LC_ALL=C sort -cu 823 touch $@ 824 825check_links: checklinks.awk $(TDATA_TO_CHECK) tzdata.zi 826 $(AWK) -f checklinks.awk $(TDATA_TO_CHECK) 827 $(AWK) -f checklinks.awk tzdata.zi 828 touch $@ 829 830check_tables: checktab.awk $(YDATA) backward $(ZONETABLES) 831 for tab in $(ZONETABLES); do \ 832 test "$$tab" = zone.tab && links='$(BACKWARD)' || links=''; \ 833 $(AWK) -f checktab.awk -v zone_table=$$tab $(YDATA) $$links \ 834 || exit; \ 835 done 836 touch $@ 837 838check_tzs: $(TZS) $(TZS_NEW) 839 if test -s $(TZS); then \ 840 diff -u $(TZS) $(TZS_NEW); \ 841 else \ 842 cp $(TZS_NEW) $(TZS); \ 843 fi 844 touch $@ 845 846check_web: $(CHECK_WEB_PAGES) 847check_theory.html: theory.html 848check_tz-art.html: tz-art.html 849check_tz-how-to.html: tz-how-to.html 850check_tz-link.html: tz-link.html 851check_theory.html check_tz-art.html check_tz-how-to.html check_tz-link.html: 852 $(CURL) -sS --url https://validator.w3.org/nu/ -F out=gnu \ 853 -F file=@$$(expr $@ : 'check_\(.*\)') -o $@.out && \ 854 test ! -s $@.out || { cat $@.out; exit 1; } 855 mv $@.out $@ 856 857check_ziguard: rearguard.zi vanguard.zi ziguard.awk 858 $(AWK) -v DATAFORM=rearguard -f ziguard.awk vanguard.zi | \ 859 diff -u rearguard.zi - 860 $(AWK) -v DATAFORM=vanguard -f ziguard.awk rearguard.zi | \ 861 diff -u vanguard.zi - 862 touch $@ 863 864# Check that zishrink.awk does not alter the data, and that ziguard.awk 865# preserves main-format data. 866check_zishrink: check_zishrink_posix check_zishrink_right 867check_zishrink_posix check_zishrink_right: \ 868 zic leapseconds $(PACKRATDATA) $(PACKRATLIST) \ 869 $(TDATA) $(DATAFORM).zi tzdata.zi 870 rm -fr $@.dir $@-t.dir $@-shrunk.dir 871 mkdir $@.dir $@-t.dir $@-shrunk.dir 872 case $@ in \ 873 *_right) leap='-L leapseconds';; \ 874 *) leap=;; \ 875 esac && \ 876 $(ZIC) $$leap -d $@.dir $(DATAFORM).zi && \ 877 $(ZIC) $$leap -d $@-shrunk.dir tzdata.zi && \ 878 case $(DATAFORM),$(PACKRATLIST) in \ 879 main,) \ 880 $(ZIC) $$leap -d $@-t.dir $(TDATA) && \ 881 $(AWK) '/^Rule/' $(TDATA) | \ 882 $(ZIC) $$leap -d $@-t.dir - $(PACKRATDATA) && \ 883 diff -r $@.dir $@-t.dir;; \ 884 esac 885 diff -r $@.dir $@-shrunk.dir 886 rm -fr $@.dir $@-t.dir $@-shrunk.dir 887 touch $@ 888 889clean_misc: 890 rm -fr check_*.dir 891 rm -f *.o *.out $(TIME_T_ALTERNATIVES) \ 892 check_* core typecheck_* \ 893 date tzselect version.h zdump zic libtz.a 894clean: clean_misc 895 rm -fr *.dir tzdb-*/ 896 rm -f *.zi $(TZS_NEW) 897 898maintainer-clean: clean 899 @echo 'This command is intended for maintainers to use; it' 900 @echo 'deletes files that may need special tools to rebuild.' 901 rm -f leapseconds version $(MANTXTS) $(TZS) *.asc *.tar.* 902 903names: 904 @echo $(ENCHILADA) 905 906public: check check_public $(CHECK_TIME_T_ALTERNATIVES) \ 907 tarballs signatures 908 909date.1.txt: date.1 910newctime.3.txt: newctime.3 911newstrftime.3.txt: newstrftime.3 912newtzset.3.txt: newtzset.3 913time2posix.3.txt: time2posix.3 914tzfile.5.txt: tzfile.5 915tzselect.8.txt: tzselect.8 916zdump.8.txt: zdump.8 917zic.8.txt: zic.8 918 919$(MANTXTS): workman.sh 920 LC_ALL=C sh workman.sh `expr $@ : '\(.*\)\.txt$$'` >$@.out 921 mv $@.out $@ 922 923# Set file timestamps deterministically if possible, 924# so that tarballs containing the timestamps are reproducible. 925# 926# '$(SET_TIMESTAMP_N) N DEST A B C ...' sets the timestamp of the 927# file DEST to the maximum of the timestamps of the files A B C ..., 928# plus N if GNU ls and touch are available. 929SET_TIMESTAMP_N = sh -c '\ 930 n=$$0 dest=$$1; shift; \ 931 touch -cmr `ls -t "$$@" | sed 1q` "$$dest" && \ 932 if test $$n != 0 && \ 933 lsout=`ls -n --time-style="+%s" "$$dest" 2>/dev/null`; then \ 934 set x $$lsout && \ 935 touch -cmd @`expr $$7 + $$n` "$$dest"; \ 936 else :; fi' 937# If DEST depends on A B C ... in this Makefile, callers should use 938# $(SET_TIMESTAMP_DEP) DEST A B C ..., for the benefit of any 939# downstream 'make' that considers equal timestamps to be out of date. 940# POSIX allows this 'make' behavior, and HP-UX 'make' does it. 941# If all that matters is that the timestamp be reproducible 942# and plausible, use $(SET_TIMESTAMP). 943SET_TIMESTAMP = $(SET_TIMESTAMP_N) 0 944SET_TIMESTAMP_DEP = $(SET_TIMESTAMP_N) 1 945 946# Set the timestamps to those of the git repository, if available, 947# and if the files have not changed since then. 948# This uses GNU 'ls --time-style=+%s', which outputs the seconds count, 949# and GNU 'touch -d@N FILE', where N is the number of seconds since 1970. 950# If git or GNU is absent, don't bother to sync with git timestamps. 951# Also, set the timestamp of each prebuilt file like 'leapseconds' 952# to be the maximum of the files it depends on. 953set-timestamps.out: $(EIGHT_YARDS) 954 rm -f $@ 955 if (type git) >/dev/null 2>&1 && \ 956 files=`git ls-files $(EIGHT_YARDS)` && \ 957 touch -md @1 test.out; then \ 958 rm -f test.out && \ 959 for file in $$files; do \ 960 if git diff --quiet $$file; then \ 961 time=`git log -1 --format='tformat:%ct' $$file` && \ 962 touch -cmd @$$time $$file; \ 963 else \ 964 echo >&2 "$$file: warning: does not match repository"; \ 965 fi || exit; \ 966 done; \ 967 fi 968 $(SET_TIMESTAMP_DEP) leapseconds $(LEAP_DEPS) 969 for file in `ls $(MANTXTS) | sed 's/\.txt$$//'`; do \ 970 $(SET_TIMESTAMP_DEP) $$file.txt $$file workman.sh || \ 971 exit; \ 972 done 973 $(SET_TIMESTAMP_DEP) version $(VERSION_DEPS) 974 $(SET_TIMESTAMP_DEP) tzdata.zi $(TZDATA_ZI_DEPS) 975 touch $@ 976set-tzs-timestamp.out: $(TZS) 977 $(SET_TIMESTAMP_DEP) $(TZS) $(TZS_DEPS) 978 touch $@ 979 980# The zics below ensure that each data file can stand on its own. 981# We also do an all-files run to catch links to links. 982 983check_public: $(VERSION_DEPS) 984 rm -fr public.dir 985 mkdir public.dir 986 ln $(VERSION_DEPS) public.dir 987 cd public.dir && $(MAKE) CFLAGS='$(GCC_DEBUG_FLAGS)' ALL 988 for i in $(TDATA_TO_CHECK) public.dir/tzdata.zi \ 989 public.dir/vanguard.zi public.dir/main.zi \ 990 public.dir/rearguard.zi; \ 991 do \ 992 public.dir/zic -v -d public.dir/zoneinfo $$i 2>&1 || exit; \ 993 done 994 public.dir/zic -v -d public.dir/zoneinfo-all $(TDATA_TO_CHECK) 995 : 996 : Also check 'backzone' syntax. 997 rm public.dir/main.zi 998 cd public.dir && $(MAKE) PACKRATDATA=backzone main.zi 999 public.dir/zic -d public.dir/zoneinfo main.zi 1000 rm public.dir/main.zi 1001 cd public.dir && \ 1002 $(MAKE) PACKRATDATA=backzone PACKRATLIST=zone.tab main.zi 1003 public.dir/zic -d public.dir/zoneinfo main.zi 1004 : 1005 rm -fr public.dir 1006 touch $@ 1007 1008# Check that the code works under various alternative 1009# implementations of time_t. 1010check_time_t_alternatives: $(TIME_T_ALTERNATIVES) 1011$(TIME_T_ALTERNATIVES_TAIL): $(TIME_T_ALTERNATIVES_HEAD) 1012$(TIME_T_ALTERNATIVES): $(VERSION_DEPS) 1013 rm -fr $@.dir 1014 mkdir $@.dir 1015 ln $(VERSION_DEPS) $@.dir 1016 case $@ in \ 1017 int*32_t) range=-2147483648,2147483648;; \ 1018 u*) range=0,4294967296;; \ 1019 *) range=-4294967296,4294967296;; \ 1020 esac && \ 1021 wd=`pwd` && \ 1022 zones=`$(AWK) '/^[^#]/ { print $$3 }' <zone1970.tab` && \ 1023 if test $@ = $(TIME_T_ALTERNATIVES_HEAD); then \ 1024 range_target=; \ 1025 else \ 1026 range_target=to$$range.tzs; \ 1027 fi && \ 1028 (cd $@.dir && \ 1029 $(MAKE) TOPDIR="$$wd/$@.dir" \ 1030 CFLAGS='$(CFLAGS) -Dtime_tz='"'$@'" \ 1031 REDO='$(REDO)' \ 1032 D=$$wd/$@.dir \ 1033 TZS_YEAR="$$range" TZS_CUTOFF_FLAG="-t $$range" \ 1034 install $$range_target) && \ 1035 test $@ = $(TIME_T_ALTERNATIVES_HEAD) || { \ 1036 (cd $(TIME_T_ALTERNATIVES_HEAD).dir && \ 1037 $(MAKE) TOPDIR="$$wd/$@.dir" \ 1038 TZS_YEAR="$$range" TZS_CUTOFF_FLAG="-t $$range" \ 1039 D=$$wd/$@.dir \ 1040 to$$range.tzs) && \ 1041 diff -u $(TIME_T_ALTERNATIVES_HEAD).dir/to$$range.tzs \ 1042 $@.dir/to$$range.tzs && \ 1043 if diff -q Makefile Makefile 2>/dev/null; then \ 1044 quiet_option='-q'; \ 1045 else \ 1046 quiet_option=''; \ 1047 fi && \ 1048 diff $$quiet_option -r $(TIME_T_ALTERNATIVES_HEAD).dir/etc \ 1049 $@.dir/etc && \ 1050 diff $$quiet_option -r \ 1051 $(TIME_T_ALTERNATIVES_HEAD).dir/usr/share \ 1052 $@.dir/usr/share; \ 1053 } 1054 touch $@ 1055 1056TRADITIONAL_ASC = \ 1057 tzcode$(VERSION).tar.gz.asc \ 1058 tzdata$(VERSION).tar.gz.asc 1059REARGUARD_ASC = \ 1060 tzdata$(VERSION)-rearguard.tar.gz.asc 1061ALL_ASC = $(TRADITIONAL_ASC) $(REARGUARD_ASC) \ 1062 tzdb-$(VERSION).tar.lz.asc 1063 1064tarballs rearguard_tarballs tailored_tarballs traditional_tarballs \ 1065signatures rearguard_signatures traditional_signatures: \ 1066 version set-timestamps.out rearguard.zi vanguard.zi 1067 VERSION=`cat version` && \ 1068 $(MAKE) AWK='$(AWK)' VERSION="$$VERSION" $@_version 1069 1070# These *_version rules are intended for use if VERSION is set by some 1071# other means. Ordinarily these rules are used only by the above 1072# non-_version rules, which set VERSION on the 'make' command line. 1073tarballs_version: traditional_tarballs_version rearguard_tarballs_version \ 1074 tzdb-$(VERSION).tar.lz 1075rearguard_tarballs_version: \ 1076 tzdata$(VERSION)-rearguard.tar.gz 1077traditional_tarballs_version: \ 1078 tzcode$(VERSION).tar.gz tzdata$(VERSION).tar.gz 1079tailored_tarballs_version: \ 1080 tzdata$(VERSION)-tailored.tar.gz 1081signatures_version: $(ALL_ASC) 1082rearguard_signatures_version: $(REARGUARD_ASC) 1083traditional_signatures_version: $(TRADITIONAL_ASC) 1084 1085tzcode$(VERSION).tar.gz: set-timestamps.out 1086 LC_ALL=C && export LC_ALL && \ 1087 tar $(TARFLAGS) -cf - \ 1088 $(COMMON) $(DOCS) $(SOURCES) | \ 1089 gzip $(GZIPFLAGS) >$@.out 1090 mv $@.out $@ 1091 1092tzdata$(VERSION).tar.gz: set-timestamps.out 1093 LC_ALL=C && export LC_ALL && \ 1094 tar $(TARFLAGS) -cf - $(TZDATA_DIST) | \ 1095 gzip $(GZIPFLAGS) >$@.out 1096 mv $@.out $@ 1097 1098# Create empty files with a reproducible timestamp. 1099CREATE_EMPTY = TZ=UTC0 touch -mt 202010122253.00 1100 1101# The obsolescent *rearguard* targets and related macros are present 1102# for backwards compatibility with tz releases 2018e through 2022a. 1103# They should go away eventually. To build rearguard tarballs you 1104# can instead use 'make DATAFORM=rearguard tailored_tarballs'. 1105tzdata$(VERSION)-rearguard.tar.gz: rearguard.zi set-timestamps.out 1106 rm -fr $@.dir 1107 mkdir $@.dir 1108 ln $(TZDATA_DIST) $@.dir 1109 cd $@.dir && rm -f $(TDATA) $(PACKRATDATA) version 1110 for f in $(TDATA) $(PACKRATDATA); do \ 1111 rearf=$@.dir/$$f; \ 1112 $(AWK) -v DATAFORM=rearguard -f ziguard.awk $$f >$$rearf && \ 1113 $(SET_TIMESTAMP_DEP) $$rearf ziguard.awk $$f || exit; \ 1114 done 1115 sed '1s/$$/-rearguard/' <version >$@.dir/version 1116 : The dummy pacificnew pacifies TZUpdater 2.3.1 and earlier. 1117 $(CREATE_EMPTY) $@.dir/pacificnew 1118 touch -cmr version $@.dir/version 1119 LC_ALL=C && export LC_ALL && \ 1120 (cd $@.dir && \ 1121 tar $(TARFLAGS) -cf - \ 1122 $(TZDATA_DIST) pacificnew | \ 1123 gzip $(GZIPFLAGS)) >$@.out 1124 mv $@.out $@ 1125 1126# Create a tailored tarball suitable for TZUpdater and compatible tools. 1127# For example, 'make DATAFORM=vanguard tailored_tarballs' makes a tarball 1128# useful for testing whether TZUpdater supports vanguard form. 1129# The generated tarball is not byte-for-byte equivalent to a hand-tailored 1130# traditional tarball, as data entries are put into 'etcetera' even if they 1131# came from some other source file. However, the effect should be the same 1132# for ordinary use, which reads all the source files. 1133tzdata$(VERSION)-tailored.tar.gz: set-timestamps.out 1134 rm -fr $@.dir 1135 mkdir $@.dir 1136 : The dummy pacificnew pacifies TZUpdater 2.3.1 and earlier. 1137 cd $@.dir && \ 1138 $(CREATE_EMPTY) $(PRIMARY_YDATA) $(NDATA) backward \ 1139 `test $(DATAFORM) = vanguard || echo pacificnew` 1140 (grep '^#' tzdata.zi && echo && cat $(DATAFORM).zi) \ 1141 >$@.dir/etcetera 1142 touch -cmr tzdata.zi $@.dir/etcetera 1143 sed -n \ 1144 -e '/^# *version *\(.*\)/h' \ 1145 -e '/^# *ddeps */H' \ 1146 -e '$$!d' \ 1147 -e 'g' \ 1148 -e 's/^# *version *//' \ 1149 -e 's/\n# *ddeps */-/' \ 1150 -e 's/ /-/g' \ 1151 -e 'p' \ 1152 <tzdata.zi >$@.dir/version 1153 touch -cmr version $@.dir/version 1154 links= && \ 1155 for file in $(TZDATA_DIST); do \ 1156 test -f $@.dir/$$file || links="$$links $$file"; \ 1157 done && \ 1158 ln $$links $@.dir 1159 LC_ALL=C && export LC_ALL && \ 1160 (cd $@.dir && \ 1161 tar $(TARFLAGS) -cf - * | gzip $(GZIPFLAGS)) >$@.out 1162 mv $@.out $@ 1163 1164tzdb-$(VERSION).tar.lz: set-timestamps.out set-tzs-timestamp.out 1165 rm -fr tzdb-$(VERSION) 1166 mkdir tzdb-$(VERSION) 1167 ln $(ENCHILADA) tzdb-$(VERSION) 1168 $(SET_TIMESTAMP) tzdb-$(VERSION) tzdb-$(VERSION)/* 1169 LC_ALL=C && export LC_ALL && \ 1170 tar $(TARFLAGS) -cf - tzdb-$(VERSION) | lzip -9 >$@.out 1171 mv $@.out $@ 1172 1173tzcode$(VERSION).tar.gz.asc: tzcode$(VERSION).tar.gz 1174tzdata$(VERSION).tar.gz.asc: tzdata$(VERSION).tar.gz 1175tzdata$(VERSION)-rearguard.tar.gz.asc: tzdata$(VERSION)-rearguard.tar.gz 1176tzdb-$(VERSION).tar.lz.asc: tzdb-$(VERSION).tar.lz 1177$(ALL_ASC): 1178 $(GPG) --armor --detach-sign $? 1179 1180TYPECHECK_CFLAGS = $(CFLAGS) -DTYPECHECK -D__time_t_defined -D_TIME_T 1181typecheck: typecheck_long_long typecheck_unsigned 1182typecheck_long_long typecheck_unsigned: $(VERSION_DEPS) 1183 rm -fr $@.dir 1184 mkdir $@.dir 1185 ln $(VERSION_DEPS) $@.dir 1186 cd $@.dir && \ 1187 case $@ in \ 1188 *_long_long) i="long long";; \ 1189 *_unsigned ) i="unsigned" ;; \ 1190 esac && \ 1191 typecheck_cflags='' && \ 1192 $(MAKE) \ 1193 CFLAGS="$(TYPECHECK_CFLAGS) \"-Dtime_t=$$i\"" \ 1194 TOPDIR="`pwd`" \ 1195 install 1196 $@.dir/zdump -i -c 1970,1971 Europe/Rome 1197 touch $@ 1198 1199zonenames: tzdata.zi 1200 @$(AWK) '/^Z/ { print $$2 } /^L/ { print $$3 }' tzdata.zi 1201 1202asctime.o: private.h tzfile.h 1203date.o: private.h 1204difftime.o: private.h 1205localtime.o: private.h tzfile.h 1206strftime.o: private.h tzfile.h 1207zdump.o: version.h 1208zic.o: private.h tzfile.h version.h 1209 1210.PHONY: ALL INSTALL all 1211.PHONY: check check_time_t_alternatives 1212.PHONY: check_web check_zishrink 1213.PHONY: clean clean_misc dummy.zd force_tzs 1214.PHONY: install install_data maintainer-clean names 1215.PHONY: posix_only posix_right public 1216.PHONY: rearguard_signatures rearguard_signatures_version 1217.PHONY: rearguard_tarballs rearguard_tarballs_version 1218.PHONY: right_only right_posix signatures signatures_version 1219.PHONY: tarballs tarballs_version 1220.PHONY: traditional_signatures traditional_signatures_version 1221.PHONY: traditional_tarballs traditional_tarballs_version 1222.PHONY: tailored_tarballs tailored_tarballs_version 1223.PHONY: typecheck 1224.PHONY: zonenames zones 1225.PHONY: $(ZDS) 1226