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43# 44# If POSIXRULES is '-', no template is installed; this is the default. 45# 46# Any other value for POSIXRULES is obsolete and should not be relied on, as: 47# * It does not work correctly in popular implementations such as GNU/Linux. 48# * It does not work even in tzcode, except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_GETRANDOM if getgrandom works (e.g., GNU/Linux)* 214# -DHAVE_GETTEXT if 'gettext' works (e.g., GNU/Linux, FreeBSD, Solaris)* 215# -DHAVE_INCOMPATIBLE_CTIME_R if your system's time.h declares 216# ctime_r and asctime_r incompatibly with the POSIX standard 217# (Solaris when _POSIX_PTHREAD_SEMANTICS is not defined). 218# -DHAVE_INTTYPES_H if you have a non-C99 compiler with <inttypes.h> 219# -DHAVE_LINK=0 if your system lacks a link function 220# -DHAVE_LOCALTIME_R=0 if your system lacks a localtime_r function 221# -DHAVE_LOCALTIME_RZ=0 if you do not want zdump to use localtime_rz 222# localtime_rz can make zdump significantly faster, but is nonstandard. 223# -DHAVE_MALLOC_ERRNO=0 if malloc etc. do not set errno on failure. 224# -DHAVE_POSIX_DECLS=0 if your system's include files do not declare 225# functions like 'link' or variables like 'tzname' required by POSIX 226# -DHAVE_SETENV=0 if your system lacks the setenv function 227# -DHAVE_SNPRINTF=0 if your system lacks the snprintf function 228# -DHAVE_STDINT_H if you have a non-C99 compiler with <stdint.h>* 229# -DHAVE_STRFTIME_L if <time.h> declares locale_t and strftime_l 230# -DHAVE_STRDUP=0 if your system lacks the strdup function 231# -DHAVE_STRTOLL=0 if your system lacks the strtoll function 232# -DHAVE_SYMLINK=0 if your system lacks the symlink function 233# -DHAVE_SYS_STAT_H=0 if your compiler lacks a <sys/stat.h>* 234# -DHAVE_TZSET=0 if your system lacks a tzset function 235# -DHAVE_UNISTD_H=0 if your compiler lacks a <unistd.h>* 236# -DHAVE_UTMPX_H=0 if your compiler lacks a <utmpx.h>* 237# -Dlocale_t=XXX if your system uses XXX instead of locale_t 238# -DRESERVE_STD_EXT_IDS if your platform reserves standard identifiers 239# with external linkage, e.g., applications cannot define 'localtime'. 240# -Dssize_t=long on hosts like MS-Windows that lack ssize_t 241# -DSUPPRESS_TZDIR to not prepend TZDIR to file names; this has 242# security implications and is not recommended for general use 243# -DTHREAD_SAFE to make localtime.c thread-safe, as POSIX requires; 244# not needed by the main-program tz code, which is single-threaded. 245# Append other compiler flags as needed, e.g., -pthread on GNU/Linux. 246# -Dtime_tz=\"T\" to use T as the time_t type, rather than the system time_t 247# This is intended for internal use only; it mangles external names. 248# -DTZ_DOMAIN=\"foo\" to use "foo" for gettext domain name; default is "tz" 249# -DTZ_DOMAINDIR=\"/path\" to use "/path" for gettext directory; 250# the default is system-supplied, typically "/usr/lib/locale" 251# -DTZDEFRULESTRING=\",date/time,date/time\" to default to the specified 252# DST transitions if the time zone files cannot be accessed 253# -DUNINIT_TRAP if reading uninitialized storage can cause problems 254# other than simply getting garbage data 255# -DUSE_LTZ=0 to build zdump with the system time zone library 256# Also set TZDOBJS=zdump.o and CHECK_TIME_T_ALTERNATIVES= below. 257# -DZIC_BLOAT_DEFAULT=\"fat\" to default zic's -b option to "fat", and 258# similarly for "slim". Fat TZif files work around incompatibilities 259# and bugs in some TZif readers, notably older ones that 260# ignore or otherwise mishandle 64-bit data in TZif files; 261# however, fat TZif files may trigger bugs in newer TZif readers. 262# Slim TZif files are more efficient, and are the default. 263# -DZIC_MAX_ABBR_LEN_WO_WARN=3 264# (or some other number) to set the maximum time zone abbreviation length 265# that zic will accept without a warning (the default is 6) 266# $(GCC_DEBUG_FLAGS) if you are using recent GCC and want lots of checking 267# 268# * Options marked "*" can be omitted if your compiler is C23 compatible. 269# 270# Select instrumentation via "make GCC_INSTRUMENT='whatever'". 271GCC_INSTRUMENT = \ 272 -fsanitize=undefined -fsanitize-address-use-after-scope \ 273 -fsanitize-undefined-trap-on-error -fstack-protector 274# Omit -fanalyzer from GCC_DEBUG_FLAGS, as it makes GCC too slow. 275GCC_DEBUG_FLAGS = -DGCC_LINT -g3 -O3 -fno-common \ 276 $(GCC_INSTRUMENT) \ 277 -Wall -Wextra \ 278 -Walloc-size-larger-than=100000 -Warray-bounds=2 \ 279 -Wbad-function-cast -Wbidi-chars=any,ucn -Wcast-align=strict -Wdate-time \ 280 -Wdeclaration-after-statement -Wdouble-promotion \ 281 -Wduplicated-branches -Wduplicated-cond \ 282 -Wformat=2 -Wformat-overflow=2 -Wformat-signedness -Wformat-truncation \ 283 -Winit-self -Wlogical-op \ 284 -Wmissing-declarations -Wmissing-prototypes -Wnested-externs \ 285 -Wnull-dereference \ 286 -Wold-style-definition -Woverlength-strings -Wpointer-arith \ 287 -Wshadow -Wshift-overflow=2 -Wstrict-overflow \ 288 -Wstrict-prototypes -Wstringop-overflow=4 \ 289 -Wstringop-truncation -Wsuggest-attribute=cold \ 290 -Wsuggest-attribute=const -Wsuggest-attribute=format \ 291 -Wsuggest-attribute=malloc \ 292 -Wsuggest-attribute=noreturn -Wsuggest-attribute=pure \ 293 -Wtrampolines -Wundef -Wuninitialized -Wunused-macros -Wuse-after-free=3 \ 294 -Wvariadic-macros -Wvla -Wwrite-strings \ 295 -Wno-address -Wno-format-nonliteral -Wno-sign-compare \ 296 -Wno-type-limits -Wno-unused-parameter 297# 298# If your system has a "GMT offset" field in its "struct tm"s 299# (or if you decide to add such a field in your system's "time.h" file), 300# add the name to a define such as 301# -DTM_GMTOFF=tm_gmtoff 302# to the end of the "CFLAGS=" line. If not defined, the code attempts to 303# guess TM_GMTOFF from other macros; define NO_TM_GMTOFF to suppress this. 304# Similarly, if your system has a "zone abbreviation" field, define 305# -DTM_ZONE=tm_zone 306# and define NO_TM_ZONE to suppress any guessing. Although these two fields 307# not required by POSIX, a future version of POSIX is planned to require them 308# and they are widely available on GNU/Linux and BSD systems. 309# 310# The next batch of options control support for external variables 311# exported by tzcode. In practice these variables are less useful 312# than TM_GMTOFF and TM_ZONE. However, most of them are standardized. 313# # 314# # To omit or support the external variable "tzname", add one of: 315# # -DHAVE_TZNAME=0 # do not support "tzname" 316# # -DHAVE_TZNAME=1 # support "tzname", which is defined by system library 317# # -DHAVE_TZNAME=2 # support and define "tzname" 318# # to the "CFLAGS=" line. "tzname" is required by POSIX 1988 and later. 319# # If not defined, the code attempts to guess HAVE_TZNAME from other macros. 320# # Warning: unless time_tz is also defined, HAVE_TZNAME=1 can cause 321# # crashes when combined with some platforms' standard libraries, 322# # presumably due to memory allocation issues. 323# # 324# # To omit or support the external variables "timezone" and "daylight", add 325# # -DUSG_COMPAT=0 # do not support 326# # -DUSG_COMPAT=1 # support, and variables are defined by system library 327# # -DUSG_COMPAT=2 # support and define variables 328# # to the "CFLAGS=" line; "timezone" and "daylight" are inspired by 329# # Unix Systems Group code and are required by POSIX 2008 (with XSI) and later. 330# # If not defined, the code attempts to guess USG_COMPAT from other macros. 331# # 332# # To support the external variable "altzone", add 333# # -DALTZONE=0 # do not support 334# # -DALTZONE=1 # support "altzone", which is defined by system library 335# # -DALTZONE=2 # support and define "altzone" 336# # to the end of the "CFLAGS=" line; although "altzone" appeared in 337# # System V Release 3.1 it has not been standardized. 338# # If not defined, the code attempts to guess ALTZONE from other macros. 339# 340# If you want functions that were inspired by early versions of X3J11's work, 341# add 342# -DSTD_INSPIRED 343# to the end of the "CFLAGS=" line. This arranges for the functions 344# "offtime", "timelocal", "timegm", "timeoff", 345# "posix2time", and "time2posix" to be added to the time conversion library. 346# "offtime" is like "gmtime" except that it accepts a second (long) argument 347# that gives an offset to add to the time_t when converting it. 348# "timelocal" is equivalent to "mktime". 349# "timegm" is like "timelocal" except that it turns a struct tm into 350# a time_t using UT (rather than local time as "timelocal" does). 351# "timeoff" is like "timegm" except that it accepts a second (long) argument 352# that gives an offset to use when converting to a time_t. 353# "posix2time" and "time2posix" are described in an included manual page. 354# X3J11's work does not describe any of these functions. 355# These functions may well disappear in future releases of the time 356# conversion package. 357# 358# If you don't want functions that were inspired by NetBSD, add 359# -DNETBSD_INSPIRED=0 360# to the end of the "CFLAGS=" line. Otherwise, the functions 361# "localtime_rz", "mktime_z", "tzalloc", and "tzfree" are added to the 362# time library, and if STD_INSPIRED is also defined the functions 363# "posix2time_z" and "time2posix_z" are added as well. 364# The functions ending in "_z" (or "_rz") are like their unsuffixed 365# (or suffixed-by-"_r") counterparts, except with an extra first 366# argument of opaque type timezone_t that specifies the timezone. 367# "tzalloc" allocates a timezone_t value, and "tzfree" frees it. 368# 369# If you want to allocate state structures in localtime, add 370# -DALL_STATE 371# to the end of the "CFLAGS=" line. Storage is obtained by calling malloc. 372# 373# NIST-PCTS:151-2, Version 1.4, (1993-12-03) is a test suite put 374# out by the National Institute of Standards and Technology 375# which claims to test C and Posix conformance. If you want to pass PCTS, add 376# -DPCTS 377# to the end of the "CFLAGS=" line. 378# 379# If you want strict compliance with XPG4 as of 1994-04-09, add 380# -DXPG4_1994_04_09 381# to the end of the "CFLAGS=" line. This causes "strftime" to always return 382# 53 as a week number (rather than 52 or 53) for January days before 383# January's first Monday when a "%V" format is used and January 1 384# falls on a Friday, Saturday, or Sunday. 385 386CFLAGS= 387 388# Linker flags. Default to $(LFLAGS) for backwards compatibility 389# to release 2012h and earlier. 390 391LDFLAGS= $(LFLAGS) 392 393# For leap seconds, this Makefile uses LEAPSECONDS='-L leapseconds' in 394# submake command lines. The default is no leap seconds. 395 396LEAPSECONDS= 397 398# The zic command and its arguments. 399 400zic= ./zic 401ZIC= $(zic) $(ZFLAGS) 402 403# To shrink the size of installed TZif files, 404# append "-r @N" to omit data before N-seconds-after-the-Epoch. 405# To grow the files and work around bugs in older applications, 406# possibly at the expense of introducing bugs in newer ones, 407# append "-b fat"; see ZIC_BLOAT_DEFAULT above. 408# See the zic man page for more about -b and -r. 409ZFLAGS= 410 411# How to use zic to install TZif files. 412 413ZIC_INSTALL= $(ZIC) -d '$(DESTDIR)$(TZDIR)' $(LEAPSECONDS) 414 415# The name of a Posix-compliant 'awk' on your system. 416# mawk 1.3.3 and Solaris 10 /usr/bin/awk do not work. 417# Also, it is better (though not essential) if 'awk' supports UTF-8, 418# and unfortunately mawk and busybox awk do not support UTF-8. 419# Try AWK=gawk or AWK=nawk if your awk has the abovementioned problems. 420AWK= awk 421 422# The full path name of a Posix-compliant shell, preferably one that supports 423# the Korn shell's 'select' statement as an extension. 424# These days, Bash is the most popular. 425# It should be OK to set this to /bin/sh, on platforms where /bin/sh 426# lacks 'select' or doesn't completely conform to Posix, but /bin/bash 427# is typically nicer if it works. 428KSHELL= /bin/bash 429 430# Name of curl <https://curl.haxx.se/>, used for HTML validation. 431CURL= curl 432 433# Name of GNU Privacy Guard <https://gnupg.org/>, used to sign distributions. 434GPG= gpg 435 436# This expensive test requires USE_LTZ. 437# To suppress it, define this macro to be empty. 438CHECK_TIME_T_ALTERNATIVES = check_time_t_alternatives 439 440# SAFE_CHAR is a regular expression that matches a safe character. 441# Some parts of this distribution are limited to safe characters; 442# others can use any UTF-8 character. 443# For now, the safe characters are a safe subset of ASCII. 444# The caller must set the shell variable 'sharp' to the character '#', 445# since Makefile macros cannot contain '#'. 446# TAB_CHAR is a single tab character, in single quotes. 447TAB_CHAR= ' ' 448SAFE_CHARSET1= $(TAB_CHAR)' !\"'$$sharp'$$%&'\''()*+,./0123456789:;<=>?@' 449SAFE_CHARSET2= 'ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\^_`' 450SAFE_CHARSET3= 'abcdefghijklmnopqrstuvwxyz{|}~' 451SAFE_CHARSET= $(SAFE_CHARSET1)$(SAFE_CHARSET2)$(SAFE_CHARSET3) 452SAFE_CHAR= '[]'$(SAFE_CHARSET)'-]' 453 454# These characters are Latin-1, and so are likely to be displayable 455# even in editors with limited character sets. 456UNUSUAL_OK_LATIN_1 = «°±»½¾× 457# This IPA symbol is represented in Unicode as the composition of 458# U+0075 and U+032F, and U+032F is not considered alphabetic by some 459# grep implementations that do not grok composition. 460UNUSUAL_OK_IPA = u̯ 461# Non-ASCII non-letters that OK_CHAR allows, as these characters are 462# useful in commentary. 463UNUSUAL_OK_CHARSET= $(UNUSUAL_OK_LATIN_1)$(UNUSUAL_OK_IPA) 464 465# Put this in a bracket expression to match spaces. 466s = [:space:] 467 468# OK_CHAR matches any character allowed in the distributed files. 469# This is the same as SAFE_CHAR, except that UNUSUAL_OK_CHARSET and 470# multibyte letters are also allowed so that commentary can contain a 471# few safe symbols and people's names and can quote non-English sources. 472# Other non-letters are limited to ASCII renderings for the 473# convenience of maintainers using XEmacs 21.5.34, which by default 474# mishandles Unicode characters U+0100 and greater. 475OK_CHAR= '[][:alpha:]$(UNUSUAL_OK_CHARSET)'$(SAFE_CHARSET)'-]' 476 477# SAFE_LINE matches a line of safe characters. 478# SAFE_SHARP_LINE is similar, except any OK character can follow '#'; 479# this is so that comments can contain non-ASCII characters. 480# OK_LINE matches a line of OK characters. 481SAFE_LINE= '^'$(SAFE_CHAR)'*$$' 482SAFE_SHARP_LINE='^'$(SAFE_CHAR)'*('$$sharp$(OK_CHAR)'*)?$$' 483OK_LINE= '^'$(OK_CHAR)'*$$' 484 485# Flags to give 'tar' when making a distribution. 486# Try to use flags appropriate for GNU tar. 487GNUTARFLAGS= --format=pax --pax-option='delete=atime,delete=ctime' \ 488 --numeric-owner --owner=0 --group=0 \ 489 --mode=go+u,go-w --sort=name 490TARFLAGS= `if tar $(GNUTARFLAGS) --version >/dev/null 2>&1; \ 491 then echo $(GNUTARFLAGS); \ 492 else :; \ 493 fi` 494 495# Flags to give 'gzip' when making a distribution. 496GZIPFLAGS= -9n 497 498############################################################################### 499 500#MAKE= make 501 502cc= cc 503CC= $(cc) -DTZDIR='"$(TZDIR)"' 504 505AR= ar 506 507# ':' on typical hosts; 'ranlib' on the ancient hosts that still need ranlib. 508RANLIB= : 509 510TZCOBJS= zic.o 511TZDOBJS= zdump.o localtime.o asctime.o strftime.o 512DATEOBJS= date.o localtime.o strftime.o asctime.o 513LIBSRCS= localtime.c asctime.c difftime.c strftime.c 514LIBOBJS= localtime.o asctime.o difftime.o strftime.o 515HEADERS= tzfile.h private.h 516NONLIBSRCS= zic.c zdump.c 517NEWUCBSRCS= date.c 518SOURCES= $(HEADERS) $(LIBSRCS) $(NONLIBSRCS) $(NEWUCBSRCS) \ 519 tzselect.ksh workman.sh 520MANS= newctime.3 newstrftime.3 newtzset.3 time2posix.3 \ 521 tzfile.5 tzselect.8 zic.8 zdump.8 522MANTXTS= newctime.3.txt newstrftime.3.txt newtzset.3.txt \ 523 time2posix.3.txt \ 524 tzfile.5.txt tzselect.8.txt zic.8.txt zdump.8.txt \ 525 date.1.txt 526COMMON= calendars CONTRIBUTING LICENSE Makefile \ 527 NEWS README SECURITY theory.html version 528WEB_PAGES= tz-art.html tz-how-to.html tz-link.html 529CHECK_WEB_PAGES=check_theory.html check_tz-art.html \ 530 check_tz-how-to.html check_tz-link.html 531DOCS= $(MANS) date.1 $(MANTXTS) $(WEB_PAGES) 532PRIMARY_YDATA= africa antarctica asia australasia \ 533 europe northamerica southamerica 534YDATA= $(PRIMARY_YDATA) etcetera 535NDATA= factory 536TDATA_TO_CHECK= $(YDATA) $(NDATA) backward 537TDATA= $(YDATA) $(NDATA) $(BACKWARD) 538ZONETABLES= zone1970.tab zone.tab 539TABDATA= iso3166.tab $(TZDATA_TEXT) $(ZONETABLES) 540LEAP_DEPS= leapseconds.awk leap-seconds.list 541TZDATA_ZI_DEPS= ziguard.awk zishrink.awk version $(TDATA) \ 542 $(PACKRATDATA) $(PACKRATLIST) 543DSTDATA_ZI_DEPS= ziguard.awk $(TDATA) $(PACKRATDATA) $(PACKRATLIST) 544DATA= $(TDATA_TO_CHECK) backzone iso3166.tab leap-seconds.list \ 545 leapseconds $(ZONETABLES) 546AWK_SCRIPTS= checklinks.awk checktab.awk leapseconds.awk \ 547 ziguard.awk zishrink.awk 548MISC= $(AWK_SCRIPTS) 549TZS_YEAR= 2050 550TZS_CUTOFF_FLAG= -c $(TZS_YEAR) 551TZS= to$(TZS_YEAR).tzs 552TZS_NEW= to$(TZS_YEAR)new.tzs 553TZS_DEPS= $(YDATA) asctime.c localtime.c \ 554 private.h tzfile.h zdump.c zic.c 555TZDATA_DIST = $(COMMON) $(DATA) $(MISC) 556# EIGHT_YARDS is just a yard short of the whole ENCHILADA. 557EIGHT_YARDS = $(TZDATA_DIST) $(DOCS) $(SOURCES) tzdata.zi 558ENCHILADA = $(EIGHT_YARDS) $(TZS) 559 560# Consult these files when deciding whether to rebuild the 'version' file. 561# This list is not the same as the output of 'git ls-files', since 562# .gitignore is not distributed. 563VERSION_DEPS= \ 564 calendars CONTRIBUTING LICENSE Makefile NEWS README SECURITY \ 565 africa antarctica asctime.c asia australasia \ 566 backward backzone \ 567 checklinks.awk checktab.awk \ 568 date.1 date.c difftime.c \ 569 etcetera europe factory iso3166.tab \ 570 leap-seconds.list leapseconds.awk localtime.c \ 571 newctime.3 newstrftime.3 newtzset.3 northamerica \ 572 private.h southamerica strftime.c theory.html \ 573 time2posix.3 tz-art.html tz-how-to.html tz-link.html \ 574 tzfile.5 tzfile.h tzselect.8 tzselect.ksh \ 575 workman.sh zdump.8 zdump.c zic.8 zic.c \ 576 ziguard.awk zishrink.awk \ 577 zone.tab zone1970.tab 578 579# And for the benefit of csh users on systems that assume the user 580# shell should be used to handle commands in Makefiles. . . 581 582SHELL= /bin/sh 583 584all: tzselect zic zdump libtz.a $(TABDATA) \ 585 vanguard.zi main.zi rearguard.zi 586 587ALL: all date $(ENCHILADA) 588 589install: all $(DATA) $(REDO) $(MANS) 590 mkdir -p '$(DESTDIR)$(BINDIR)' \ 591 '$(DESTDIR)$(ZDUMPDIR)' '$(DESTDIR)$(ZICDIR)' \ 592 '$(DESTDIR)$(LIBDIR)' \ 593 '$(DESTDIR)$(MANDIR)/man3' '$(DESTDIR)$(MANDIR)/man5' \ 594 '$(DESTDIR)$(MANDIR)/man8' 595 $(ZIC_INSTALL) -l $(LOCALTIME) \ 596 `case '$(POSIXRULES)' in ?*) echo '-p';; esac \ 597 ` $(POSIXRULES) \ 598 -t '$(DESTDIR)$(TZDEFAULT)' 599 cp -f $(TABDATA) '$(DESTDIR)$(TZDIR)/.' 600 cp tzselect '$(DESTDIR)$(BINDIR)/.' 601 cp zdump '$(DESTDIR)$(ZDUMPDIR)/.' 602 cp zic '$(DESTDIR)$(ZICDIR)/.' 603 cp libtz.a '$(DESTDIR)$(LIBDIR)/.' 604 $(RANLIB) '$(DESTDIR)$(LIBDIR)/libtz.a' 605 cp -f newctime.3 newtzset.3 '$(DESTDIR)$(MANDIR)/man3/.' 606 cp -f tzfile.5 '$(DESTDIR)$(MANDIR)/man5/.' 607 cp -f tzselect.8 zdump.8 zic.8 '$(DESTDIR)$(MANDIR)/man8/.' 608 609INSTALL: ALL install date.1 610 mkdir -p '$(DESTDIR)$(BINDIR)' '$(DESTDIR)$(MANDIR)/man1' 611 cp date '$(DESTDIR)$(BINDIR)/.' 612 cp -f date.1 '$(DESTDIR)$(MANDIR)/man1/.' 613 614# Calculate version number from git, if available. 615# Otherwise, use $(VERSION) unless it is "unknown" and there is already 616# a 'version' file, in which case reuse the existing 'version' contents 617# and append "-dirty" if the contents do not already end in "-dirty". 618version: $(VERSION_DEPS) 619 { (type git) >/dev/null 2>&1 && \ 620 V=`git describe --match '[0-9][0-9][0-9][0-9][a-z]*' \ 621 --abbrev=7 --dirty` || \ 622 if test '$(VERSION)' = unknown && V=`cat $@`; then \ 623 case $$V in *-dirty);; *) V=$$V-dirty;; esac; \ 624 else \ 625 V='$(VERSION)'; \ 626 fi; } && \ 627 printf '%s\n' "$$V" >$@.out 628 mv $@.out $@ 629 630# These files can be tailored by setting BACKWARD, PACKRATDATA, PACKRATLIST. 631vanguard.zi main.zi rearguard.zi: $(DSTDATA_ZI_DEPS) 632 $(AWK) \ 633 -v DATAFORM=`expr $@ : '\(.*\).zi'` \ 634 -v PACKRATDATA='$(PACKRATDATA)' \ 635 -v PACKRATLIST='$(PACKRATLIST)' \ 636 -f ziguard.awk \ 637 $(TDATA) $(PACKRATDATA) >$@.out 638 mv $@.out $@ 639# This file has a version comment that attempts to capture any tailoring 640# via BACKWARD, DATAFORM, PACKRATDATA, PACKRATLIST, and REDO. 641tzdata.zi: $(DATAFORM).zi version zishrink.awk 642 version=`sed 1q version` && \ 643 LC_ALL=C $(AWK) \ 644 -v dataform='$(DATAFORM)' \ 645 -v deps='$(DSTDATA_ZI_DEPS) zishrink.awk' \ 646 -v redo='$(REDO)' \ 647 -v version="$$version" \ 648 -f zishrink.awk \ 649 $(DATAFORM).zi >$@.out 650 mv $@.out $@ 651 652version.h: version 653 VERSION=`cat version` && printf '%s\n' \ 654 'static char const PKGVERSION[]="($(PACKAGE)) ";' \ 655 "static char const TZVERSION[]=\"$$VERSION\";" \ 656 'static char const REPORT_BUGS_TO[]="$(BUGEMAIL)";' \ 657 >$@.out 658 mv $@.out $@ 659 660zdump: $(TZDOBJS) 661 $(CC) -o $@ $(CFLAGS) $(LDFLAGS) $(TZDOBJS) $(LDLIBS) 662 663zic: $(TZCOBJS) 664 $(CC) -o $@ $(CFLAGS) $(LDFLAGS) $(TZCOBJS) $(LDLIBS) 665 666leapseconds: $(LEAP_DEPS) 667 $(AWK) -v EXPIRES_LINE=$(EXPIRES_LINE) \ 668 -f leapseconds.awk leap-seconds.list >$@.out 669 mv $@.out $@ 670 671# Arguments to pass to submakes of install_data. 672# They can be overridden by later submake arguments. 673INSTALLARGS = \ 674 BACKWARD='$(BACKWARD)' \ 675 DESTDIR='$(DESTDIR)' \ 676 LEAPSECONDS='$(LEAPSECONDS)' \ 677 PACKRATDATA='$(PACKRATDATA)' \ 678 PACKRATLIST='$(PACKRATLIST)' \ 679 TZDEFAULT='$(TZDEFAULT)' \ 680 TZDIR='$(TZDIR)' \ 681 ZIC='$(ZIC)' 682 683INSTALL_DATA_DEPS = zic leapseconds tzdata.zi 684 685# 'make install_data' installs one set of TZif files. 686install_data: $(INSTALL_DATA_DEPS) 687 $(ZIC_INSTALL) tzdata.zi 688 689posix_only: $(INSTALL_DATA_DEPS) 690 $(MAKE) $(INSTALLARGS) LEAPSECONDS= install_data 691 692right_only: $(INSTALL_DATA_DEPS) 693 $(MAKE) $(INSTALLARGS) LEAPSECONDS='-L leapseconds' \ 694 install_data 695 696# In earlier versions of this makefile, the other two directories were 697# subdirectories of $(TZDIR). However, this led to configuration errors. 698# For example, with posix_right under the earlier scheme, 699# TZ='right/Australia/Adelaide' got you localtime with leap seconds, 700# but gmtime without leap seconds, which led to problems with applications 701# like sendmail that subtract gmtime from localtime. 702# Therefore, the other two directories are now siblings of $(TZDIR). 703# You must replace all of $(TZDIR) to switch from not using leap seconds 704# to using them, or vice versa. 705right_posix: right_only 706 rm -fr '$(DESTDIR)$(TZDIR)-leaps' 707 ln -s '$(TZDIR_BASENAME)' '$(DESTDIR)$(TZDIR)-leaps' || \ 708 $(MAKE) $(INSTALLARGS) TZDIR='$(TZDIR)-leaps' right_only 709 $(MAKE) $(INSTALLARGS) TZDIR='$(TZDIR)-posix' posix_only 710 711posix_right: posix_only 712 rm -fr '$(DESTDIR)$(TZDIR)-posix' 713 ln -s '$(TZDIR_BASENAME)' '$(DESTDIR)$(TZDIR)-posix' || \ 714 $(MAKE) $(INSTALLARGS) TZDIR='$(TZDIR)-posix' posix_only 715 $(MAKE) $(INSTALLARGS) TZDIR='$(TZDIR)-leaps' right_only 716 717zones: $(REDO) 718 719# dummy.zd is not a real file; it is mentioned here only so that the 720# top-level 'make' does not have a syntax error. 721ZDS = dummy.zd 722# Rule used only by submakes invoked by the $(TZS_NEW) rule. 723# It is separate so that GNU 'make -j' can run instances in parallel. 724$(ZDS): zdump 725 ./zdump -i $(TZS_CUTOFF_FLAG) '$(wd)/'$$(expr $@ : '\(.*\).zd') \ 726 >$@ 727 728TZS_NEW_DEPS = tzdata.zi zdump zic 729$(TZS_NEW): $(TZS_NEW_DEPS) 730 rm -fr tzs$(TZS_YEAR).dir 731 mkdir tzs$(TZS_YEAR).dir 732 $(zic) -d tzs$(TZS_YEAR).dir tzdata.zi 733 $(AWK) '/^L/{print "Link\t" $$2 "\t" $$3}' \ 734 tzdata.zi | LC_ALL=C sort >$@.out 735 wd=`pwd` && \ 736 x=`$(AWK) '/^Z/{print "tzs$(TZS_YEAR).dir/" $$2 ".zd"}' \ 737 tzdata.zi \ 738 | LC_ALL=C sort -t . -k 2,2` && \ 739 set x $$x && \ 740 shift && \ 741 ZDS=$$* && \ 742 $(MAKE) wd="$$wd" TZS_CUTOFF_FLAG="$(TZS_CUTOFF_FLAG)" \ 743 ZDS="$$ZDS" $$ZDS && \ 744 sed 's,^TZ=".*\.dir/,TZ=",' $$ZDS >>$@.out 745 rm -fr tzs$(TZS_YEAR).dir 746 mv $@.out $@ 747 748# If $(TZS) exists but 'make check_tzs' fails, a maintainer should inspect the 749# failed output and fix the inconsistency, perhaps by running 'make force_tzs'. 750$(TZS): 751 touch $@ 752 753force_tzs: $(TZS_NEW) 754 cp $(TZS_NEW) $(TZS) 755 756libtz.a: $(LIBOBJS) 757 rm -f $@ 758 $(AR) -rc $@ $(LIBOBJS) 759 $(RANLIB) $@ 760 761date: $(DATEOBJS) 762 $(CC) -o $@ $(CFLAGS) $(LDFLAGS) $(DATEOBJS) $(LDLIBS) 763 764tzselect: tzselect.ksh version 765 VERSION=`cat version` && sed \ 766 -e 's|#!/bin/bash|#!$(KSHELL)|g' \ 767 -e 's|AWK=[^}]*|AWK='\''$(AWK)'\''|g' \ 768 -e 's|\(PKGVERSION\)=.*|\1='\''($(PACKAGE)) '\''|' \ 769 -e 's|\(REPORT_BUGS_TO\)=.*|\1=$(BUGEMAIL)|' \ 770 -e 's|TZDIR=[^}]*|TZDIR=$(TZDIR)|' \ 771 -e 's|\(TZVERSION\)=.*|\1='"$$VERSION"'|' \ 772 <$@.ksh >$@.out 773 chmod +x $@.out 774 mv $@.out $@ 775 776check: check_character_set check_white_space check_links \ 777 check_name_lengths check_slashed_abbrs check_sorted \ 778 check_tables check_web check_ziguard check_zishrink check_tzs 779 780check_character_set: $(ENCHILADA) 781 test ! '$(UTF8_LOCALE)' || \ 782 ! printf 'A\304\200B\n' | \ 783 LC_ALL='$(UTF8_LOCALE)' grep -q '^A.B$$' >/dev/null 2>&1 || { \ 784 LC_ALL='$(UTF8_LOCALE)' && export LC_ALL && \ 785 sharp='#' && \ 786 ! grep -Env $(SAFE_LINE) $(MANS) date.1 $(MANTXTS) \ 787 $(MISC) $(SOURCES) $(WEB_PAGES) \ 788 CONTRIBUTING LICENSE README SECURITY \ 789 version tzdata.zi && \ 790 ! grep -Env $(SAFE_LINE)'|^UNUSUAL_OK_'$(OK_CHAR)'*$$' \ 791 Makefile && \ 792 ! grep -Env $(SAFE_SHARP_LINE) $(TDATA_TO_CHECK) backzone \ 793 leapseconds zone.tab && \ 794 ! grep -Env $(OK_LINE) $(ENCHILADA); \ 795 } 796 touch $@ 797 798check_white_space: $(ENCHILADA) 799 patfmt=' \t|[\f\r\v]' && pat=`printf "$$patfmt\\n"` && \ 800 ! grep -En "$$pat" \ 801 $$(ls $(ENCHILADA) | grep -Fvx leap-seconds.list) 802 ! grep -n '[$s]$$' \ 803 $$(ls $(ENCHILADA) | grep -Fvx leap-seconds.list) 804 touch $@ 805 806PRECEDES_FILE_NAME = ^(Zone|Link[$s]+[^$s]+)[$s]+ 807FILE_NAME_COMPONENT_TOO_LONG = $(PRECEDES_FILE_NAME)[^$s]*[^/$s]{15} 808 809check_name_lengths: $(TDATA_TO_CHECK) backzone 810 ! grep -En '$(FILE_NAME_COMPONENT_TOO_LONG)' \ 811 $(TDATA_TO_CHECK) backzone 812 touch $@ 813 814PRECEDES_STDOFF = ^(Zone[$s]+[^$s]+)?[$s]+ 815STDOFF = [-+]?[0-9:.]+ 816RULELESS_SAVE = (-|$(STDOFF)[sd]?) 817RULELESS_SLASHED_ABBRS = \ 818 $(PRECEDES_STDOFF)$(STDOFF)[$s]+$(RULELESS_SAVE)[$s]+[^$s]*/ 819 820check_slashed_abbrs: $(TDATA_TO_CHECK) 821 ! grep -En '$(RULELESS_SLASHED_ABBRS)' $(TDATA_TO_CHECK) 822 touch $@ 823 824CHECK_CC_LIST = { n = split($$1,a,/,/); for (i=2; i<=n; i++) print a[1], a[i]; } 825 826check_sorted: backward backzone iso3166.tab zone.tab zone1970.tab 827 $(AWK) '/^Link/ {printf "%.5d %s\n", g, $$3} /^$$/ {g++}' \ 828 backward | LC_ALL=C sort -cu 829 $(AWK) '/^Zone/ {print $$2}' backzone | LC_ALL=C sort -cu 830 touch $@ 831 832check_links: checklinks.awk $(TDATA_TO_CHECK) tzdata.zi 833 $(AWK) \ 834 -v DATAFORM=$(DATAFORM) \ 835 -v backcheck=backward \ 836 -f checklinks.awk $(TDATA_TO_CHECK) 837 $(AWK) \ 838 -v DATAFORM=$(DATAFORM) \ 839 -f checklinks.awk tzdata.zi 840 touch $@ 841 842check_tables: checktab.awk $(YDATA) backward $(ZONETABLES) 843 for tab in $(ZONETABLES); do \ 844 test "$$tab" = zone.tab && links='$(BACKWARD)' || links=''; \ 845 $(AWK) -f checktab.awk -v zone_table=$$tab $(YDATA) $$links \ 846 || exit; \ 847 done 848 touch $@ 849 850check_tzs: $(TZS) $(TZS_NEW) 851 if test -s $(TZS); then \ 852 diff -u $(TZS) $(TZS_NEW); \ 853 else \ 854 cp $(TZS_NEW) $(TZS); \ 855 fi 856 touch $@ 857 858check_web: $(CHECK_WEB_PAGES) 859check_theory.html: theory.html 860check_tz-art.html: tz-art.html 861check_tz-how-to.html: tz-how-to.html 862check_tz-link.html: tz-link.html 863check_theory.html check_tz-art.html check_tz-how-to.html check_tz-link.html: 864 $(CURL) -sS --url https://validator.w3.org/nu/ -F out=gnu \ 865 -F file=@$$(expr $@ : 'check_\(.*\)') -o $@.out && \ 866 test ! -s $@.out || { cat $@.out; exit 1; } 867 mv $@.out $@ 868 869check_ziguard: rearguard.zi vanguard.zi ziguard.awk 870 $(AWK) -v DATAFORM=rearguard -f ziguard.awk vanguard.zi | \ 871 diff -u rearguard.zi - 872 $(AWK) -v DATAFORM=vanguard -f ziguard.awk rearguard.zi | \ 873 diff -u vanguard.zi - 874 touch $@ 875 876# Check that zishrink.awk does not alter the data, and that ziguard.awk 877# preserves main-format data. 878check_zishrink: check_zishrink_posix check_zishrink_right 879check_zishrink_posix check_zishrink_right: \ 880 zic leapseconds $(PACKRATDATA) $(PACKRATLIST) \ 881 $(TDATA) $(DATAFORM).zi tzdata.zi 882 rm -fr $@.dir $@-t.dir $@-shrunk.dir 883 mkdir $@.dir $@-t.dir $@-shrunk.dir 884 case $@ in \ 885 *_right) leap='-L leapseconds';; \ 886 *) leap=;; \ 887 esac && \ 888 $(ZIC) $$leap -d $@.dir $(DATAFORM).zi && \ 889 $(ZIC) $$leap -d $@-shrunk.dir tzdata.zi && \ 890 case $(DATAFORM),$(PACKRATLIST) in \ 891 main,) \ 892 $(ZIC) $$leap -d $@-t.dir $(TDATA) && \ 893 $(AWK) '/^Rule/' $(TDATA) | \ 894 $(ZIC) $$leap -d $@-t.dir - $(PACKRATDATA) && \ 895 diff -r $@.dir $@-t.dir;; \ 896 esac 897 diff -r $@.dir $@-shrunk.dir 898 rm -fr $@.dir $@-t.dir $@-shrunk.dir 899 touch $@ 900 901clean_misc: 902 rm -fr check_*.dir 903 rm -f *.o *.out $(TIME_T_ALTERNATIVES) \ 904 check_* core typecheck_* \ 905 date tzselect version.h zdump zic libtz.a 906clean: clean_misc 907 rm -fr *.dir tzdb-*/ 908 rm -f *.zi $(TZS_NEW) 909 910maintainer-clean: clean 911 @echo 'This command is intended for maintainers to use; it' 912 @echo 'deletes files that may need special tools to rebuild.' 913 rm -f leapseconds version $(MANTXTS) $(TZS) *.asc *.tar.* 914 915names: 916 @echo $(ENCHILADA) 917 918public: check check_public $(CHECK_TIME_T_ALTERNATIVES) \ 919 tarballs signatures 920 921date.1.txt: date.1 922newctime.3.txt: newctime.3 923newstrftime.3.txt: newstrftime.3 924newtzset.3.txt: newtzset.3 925time2posix.3.txt: time2posix.3 926tzfile.5.txt: tzfile.5 927tzselect.8.txt: tzselect.8 928zdump.8.txt: zdump.8 929zic.8.txt: zic.8 930 931$(MANTXTS): workman.sh 932 LC_ALL=C sh workman.sh `expr $@ : '\(.*\)\.txt$$'` >$@.out 933 mv $@.out $@ 934 935# Set file timestamps deterministically if possible, 936# so that tarballs containing the timestamps are reproducible. 937# 938# '$(SET_TIMESTAMP_N) N DEST A B C ...' sets the timestamp of the 939# file DEST to the maximum of the timestamps of the files A B C ..., 940# plus N if GNU ls and touch are available. 941SET_TIMESTAMP_N = sh -c '\ 942 n=$$0 dest=$$1; shift; \ 943 touch -cmr `ls -t "$$@" | sed 1q` "$$dest" && \ 944 if test $$n != 0 && \ 945 lsout=`ls -n --time-style="+%s" "$$dest" 2>/dev/null`; then \ 946 set x $$lsout && \ 947 touch -cmd @`expr $$7 + $$n` "$$dest"; \ 948 else :; fi' 949# If DEST depends on A B C ... in this Makefile, callers should use 950# $(SET_TIMESTAMP_DEP) DEST A B C ..., for the benefit of any 951# downstream 'make' that considers equal timestamps to be out of date. 952# POSIX allows this 'make' behavior, and HP-UX 'make' does it. 953# If all that matters is that the timestamp be reproducible 954# and plausible, use $(SET_TIMESTAMP). 955SET_TIMESTAMP = $(SET_TIMESTAMP_N) 0 956SET_TIMESTAMP_DEP = $(SET_TIMESTAMP_N) 1 957 958# Set the timestamps to those of the git repository, if available, 959# and if the files have not changed since then. 960# This uses GNU 'ls --time-style=+%s', which outputs the seconds count, 961# and GNU 'touch -d@N FILE', where N is the number of seconds since 1970. 962# If git or GNU is absent, don't bother to sync with git timestamps. 963# Also, set the timestamp of each prebuilt file like 'leapseconds' 964# to be the maximum of the files it depends on. 965set-timestamps.out: $(EIGHT_YARDS) 966 rm -f $@ 967 if (type git) >/dev/null 2>&1 && \ 968 files=`git ls-files $(EIGHT_YARDS)` && \ 969 touch -md @1 test.out; then \ 970 rm -f test.out && \ 971 for file in $$files; do \ 972 if git diff --quiet $$file; then \ 973 time=`git log -1 --format='tformat:%ct' $$file` && \ 974 touch -cmd @$$time $$file; \ 975 else \ 976 echo >&2 "$$file: warning: does not match repository"; \ 977 fi || exit; \ 978 done; \ 979 fi 980 $(SET_TIMESTAMP_DEP) leapseconds $(LEAP_DEPS) 981 for file in `ls $(MANTXTS) | sed 's/\.txt$$//'`; do \ 982 $(SET_TIMESTAMP_DEP) $$file.txt $$file workman.sh || \ 983 exit; \ 984 done 985 $(SET_TIMESTAMP_DEP) version $(VERSION_DEPS) 986 $(SET_TIMESTAMP_DEP) tzdata.zi $(TZDATA_ZI_DEPS) 987 touch $@ 988set-tzs-timestamp.out: $(TZS) 989 $(SET_TIMESTAMP_DEP) $(TZS) $(TZS_DEPS) 990 touch $@ 991 992# The zics below ensure that each data file can stand on its own. 993# We also do an all-files run to catch links to links. 994 995check_public: $(VERSION_DEPS) 996 rm -fr public.dir 997 mkdir public.dir 998 ln $(VERSION_DEPS) public.dir 999 cd public.dir && $(MAKE) CFLAGS='$(GCC_DEBUG_FLAGS)' ALL 1000 for i in $(TDATA_TO_CHECK) public.dir/tzdata.zi \ 1001 public.dir/vanguard.zi public.dir/main.zi \ 1002 public.dir/rearguard.zi; \ 1003 do \ 1004 public.dir/zic -v -d public.dir/zoneinfo $$i 2>&1 || exit; \ 1005 done 1006 public.dir/zic -v -d public.dir/zoneinfo-all $(TDATA_TO_CHECK) 1007 : 1008 : Also check 'backzone' syntax. 1009 rm public.dir/main.zi 1010 cd public.dir && $(MAKE) PACKRATDATA=backzone main.zi 1011 public.dir/zic -d public.dir/zoneinfo main.zi 1012 rm public.dir/main.zi 1013 cd public.dir && \ 1014 $(MAKE) PACKRATDATA=backzone PACKRATLIST=zone.tab main.zi 1015 public.dir/zic -d public.dir/zoneinfo main.zi 1016 : 1017 rm -fr public.dir 1018 touch $@ 1019 1020# Check that the code works under various alternative 1021# implementations of time_t. 1022check_time_t_alternatives: $(TIME_T_ALTERNATIVES) 1023$(TIME_T_ALTERNATIVES_TAIL): $(TIME_T_ALTERNATIVES_HEAD) 1024$(TIME_T_ALTERNATIVES): $(VERSION_DEPS) 1025 rm -fr $@.dir 1026 mkdir $@.dir 1027 ln $(VERSION_DEPS) $@.dir 1028 case $@ in \ 1029 int*32_t) range=-2147483648,2147483648;; \ 1030 u*) range=0,4294967296;; \ 1031 *) range=-4294967296,4294967296;; \ 1032 esac && \ 1033 wd=`pwd` && \ 1034 zones=`$(AWK) '/^[^#]/ { print $$3 }' <zone1970.tab` && \ 1035 if test $@ = $(TIME_T_ALTERNATIVES_HEAD); then \ 1036 range_target=; \ 1037 else \ 1038 range_target=to$$range.tzs; \ 1039 fi && \ 1040 (cd $@.dir && \ 1041 $(MAKE) TOPDIR="$$wd/$@.dir" \ 1042 CFLAGS='$(CFLAGS) -Dtime_tz='"'$@'" \ 1043 REDO='$(REDO)' \ 1044 D=$$wd/$@.dir \ 1045 TZS_YEAR="$$range" TZS_CUTOFF_FLAG="-t $$range" \ 1046 install $$range_target) && \ 1047 test $@ = $(TIME_T_ALTERNATIVES_HEAD) || { \ 1048 (cd $(TIME_T_ALTERNATIVES_HEAD).dir && \ 1049 $(MAKE) TOPDIR="$$wd/$@.dir" \ 1050 TZS_YEAR="$$range" TZS_CUTOFF_FLAG="-t $$range" \ 1051 D=$$wd/$@.dir \ 1052 to$$range.tzs) && \ 1053 diff -u $(TIME_T_ALTERNATIVES_HEAD).dir/to$$range.tzs \ 1054 $@.dir/to$$range.tzs && \ 1055 if diff -q Makefile Makefile 2>/dev/null; then \ 1056 quiet_option='-q'; \ 1057 else \ 1058 quiet_option=''; \ 1059 fi && \ 1060 diff $$quiet_option -r $(TIME_T_ALTERNATIVES_HEAD).dir/etc \ 1061 $@.dir/etc && \ 1062 diff $$quiet_option -r \ 1063 $(TIME_T_ALTERNATIVES_HEAD).dir/usr/share \ 1064 $@.dir/usr/share; \ 1065 } 1066 touch $@ 1067 1068TRADITIONAL_ASC = \ 1069 tzcode$(VERSION).tar.gz.asc \ 1070 tzdata$(VERSION).tar.gz.asc 1071REARGUARD_ASC = \ 1072 tzdata$(VERSION)-rearguard.tar.gz.asc 1073ALL_ASC = $(TRADITIONAL_ASC) $(REARGUARD_ASC) \ 1074 tzdb-$(VERSION).tar.lz.asc 1075 1076tarballs rearguard_tarballs tailored_tarballs traditional_tarballs \ 1077signatures rearguard_signatures traditional_signatures: \ 1078 version set-timestamps.out rearguard.zi vanguard.zi 1079 VERSION=`cat version` && \ 1080 $(MAKE) AWK='$(AWK)' VERSION="$$VERSION" $@_version 1081 1082# These *_version rules are intended for use if VERSION is set by some 1083# other means. Ordinarily these rules are used only by the above 1084# non-_version rules, which set VERSION on the 'make' command line. 1085tarballs_version: traditional_tarballs_version rearguard_tarballs_version \ 1086 tzdb-$(VERSION).tar.lz 1087rearguard_tarballs_version: \ 1088 tzdata$(VERSION)-rearguard.tar.gz 1089traditional_tarballs_version: \ 1090 tzcode$(VERSION).tar.gz tzdata$(VERSION).tar.gz 1091tailored_tarballs_version: \ 1092 tzdata$(VERSION)-tailored.tar.gz 1093signatures_version: $(ALL_ASC) 1094rearguard_signatures_version: $(REARGUARD_ASC) 1095traditional_signatures_version: $(TRADITIONAL_ASC) 1096 1097tzcode$(VERSION).tar.gz: set-timestamps.out 1098 LC_ALL=C && export LC_ALL && \ 1099 tar $(TARFLAGS) -cf - \ 1100 $(COMMON) $(DOCS) $(SOURCES) | \ 1101 gzip $(GZIPFLAGS) >$@.out 1102 mv $@.out $@ 1103 1104tzdata$(VERSION).tar.gz: set-timestamps.out 1105 LC_ALL=C && export LC_ALL && \ 1106 tar $(TARFLAGS) -cf - $(TZDATA_DIST) | \ 1107 gzip $(GZIPFLAGS) >$@.out 1108 mv $@.out $@ 1109 1110# Create empty files with a reproducible timestamp. 1111CREATE_EMPTY = TZ=UTC0 touch -mt 202010122253.00 1112 1113# The obsolescent *rearguard* targets and related macros are present 1114# for backwards compatibility with tz releases 2018e through 2022a. 1115# They should go away eventually. To build rearguard tarballs you 1116# can instead use 'make DATAFORM=rearguard tailored_tarballs'. 1117tzdata$(VERSION)-rearguard.tar.gz: rearguard.zi set-timestamps.out 1118 rm -fr $@.dir 1119 mkdir $@.dir 1120 ln $(TZDATA_DIST) $@.dir 1121 cd $@.dir && rm -f $(TDATA) $(PACKRATDATA) version 1122 for f in $(TDATA) $(PACKRATDATA); do \ 1123 rearf=$@.dir/$$f; \ 1124 $(AWK) -v DATAFORM=rearguard -f ziguard.awk $$f >$$rearf && \ 1125 $(SET_TIMESTAMP_DEP) $$rearf ziguard.awk $$f || exit; \ 1126 done 1127 sed '1s/$$/-rearguard/' <version >$@.dir/version 1128 : The dummy pacificnew pacifies TZUpdater 2.3.1 and earlier. 1129 $(CREATE_EMPTY) $@.dir/pacificnew 1130 touch -cmr version $@.dir/version 1131 LC_ALL=C && export LC_ALL && \ 1132 (cd $@.dir && \ 1133 tar $(TARFLAGS) -cf - \ 1134 $(TZDATA_DIST) pacificnew | \ 1135 gzip $(GZIPFLAGS)) >$@.out 1136 mv $@.out $@ 1137 1138# Create a tailored tarball suitable for TZUpdater and compatible tools. 1139# For example, 'make DATAFORM=vanguard tailored_tarballs' makes a tarball 1140# useful for testing whether TZUpdater supports vanguard form. 1141# The generated tarball is not byte-for-byte equivalent to a hand-tailored 1142# traditional tarball, as data entries are put into 'etcetera' even if they 1143# came from some other source file. However, the effect should be the same 1144# for ordinary use, which reads all the source files. 1145tzdata$(VERSION)-tailored.tar.gz: set-timestamps.out 1146 rm -fr $@.dir 1147 mkdir $@.dir 1148 : The dummy pacificnew pacifies TZUpdater 2.3.1 and earlier. 1149 cd $@.dir && \ 1150 $(CREATE_EMPTY) $(PRIMARY_YDATA) $(NDATA) backward \ 1151 `test $(DATAFORM) = vanguard || echo pacificnew` 1152 (grep '^#' tzdata.zi && echo && cat $(DATAFORM).zi) \ 1153 >$@.dir/etcetera 1154 touch -cmr tzdata.zi $@.dir/etcetera 1155 sed -n \ 1156 -e '/^# *version *\(.*\)/h' \ 1157 -e '/^# *ddeps */H' \ 1158 -e '$$!d' \ 1159 -e 'g' \ 1160 -e 's/^# *version *//' \ 1161 -e 's/\n# *ddeps */-/' \ 1162 -e 's/ /-/g' \ 1163 -e 'p' \ 1164 <tzdata.zi >$@.dir/version 1165 touch -cmr version $@.dir/version 1166 links= && \ 1167 for file in $(TZDATA_DIST); do \ 1168 test -f $@.dir/$$file || links="$$links $$file"; \ 1169 done && \ 1170 ln $$links $@.dir 1171 LC_ALL=C && export LC_ALL && \ 1172 (cd $@.dir && \ 1173 tar $(TARFLAGS) -cf - * | gzip $(GZIPFLAGS)) >$@.out 1174 mv $@.out $@ 1175 1176tzdb-$(VERSION).tar.lz: set-timestamps.out set-tzs-timestamp.out 1177 rm -fr tzdb-$(VERSION) 1178 mkdir tzdb-$(VERSION) 1179 ln $(ENCHILADA) tzdb-$(VERSION) 1180 $(SET_TIMESTAMP) tzdb-$(VERSION) tzdb-$(VERSION)/* 1181 LC_ALL=C && export LC_ALL && \ 1182 tar $(TARFLAGS) -cf - tzdb-$(VERSION) | lzip -9 >$@.out 1183 mv $@.out $@ 1184 1185tzcode$(VERSION).tar.gz.asc: tzcode$(VERSION).tar.gz 1186tzdata$(VERSION).tar.gz.asc: tzdata$(VERSION).tar.gz 1187tzdata$(VERSION)-rearguard.tar.gz.asc: tzdata$(VERSION)-rearguard.tar.gz 1188tzdb-$(VERSION).tar.lz.asc: tzdb-$(VERSION).tar.lz 1189$(ALL_ASC): 1190 $(GPG) --armor --detach-sign $? 1191 1192TYPECHECK_CFLAGS = $(CFLAGS) -DTYPECHECK -D__time_t_defined -D_TIME_T 1193typecheck: typecheck_long_long typecheck_unsigned 1194typecheck_long_long typecheck_unsigned: $(VERSION_DEPS) 1195 rm -fr $@.dir 1196 mkdir $@.dir 1197 ln $(VERSION_DEPS) $@.dir 1198 cd $@.dir && \ 1199 case $@ in \ 1200 *_long_long) i="long long";; \ 1201 *_unsigned ) i="unsigned" ;; \ 1202 esac && \ 1203 typecheck_cflags='' && \ 1204 $(MAKE) \ 1205 CFLAGS="$(TYPECHECK_CFLAGS) \"-Dtime_t=$$i\"" \ 1206 TOPDIR="`pwd`" \ 1207 install 1208 $@.dir/zdump -i -c 1970,1971 Europe/Rome 1209 touch $@ 1210 1211zonenames: tzdata.zi 1212 @$(AWK) '/^Z/ { print $$2 } /^L/ { print $$3 }' tzdata.zi 1213 1214asctime.o: private.h tzfile.h 1215date.o: private.h 1216difftime.o: private.h 1217localtime.o: private.h tzfile.h 1218strftime.o: private.h tzfile.h 1219zdump.o: version.h 1220zic.o: private.h tzfile.h version.h 1221 1222.PHONY: ALL INSTALL all 1223.PHONY: check check_time_t_alternatives 1224.PHONY: check_web check_zishrink 1225.PHONY: clean clean_misc dummy.zd force_tzs 1226.PHONY: install install_data maintainer-clean names 1227.PHONY: posix_only posix_right public 1228.PHONY: rearguard_signatures rearguard_signatures_version 1229.PHONY: rearguard_tarballs rearguard_tarballs_version 1230.PHONY: right_only right_posix signatures signatures_version 1231.PHONY: tarballs tarballs_version 1232.PHONY: traditional_signatures traditional_signatures_version 1233.PHONY: traditional_tarballs traditional_tarballs_version 1234.PHONY: tailored_tarballs tailored_tarballs_version 1235.PHONY: typecheck 1236.PHONY: zonenames zones 1237.PHONY: $(ZDS) 1238