timezone/Makefile

   1 # Copyright (C) 1998-2024 Free Software Foundation, Inc.
   2 # This file is part of the GNU C Library.
   3
   4 # The GNU C Library is free software; you can redistribute it and/or
   5 # modify it under the terms of the GNU Lesser General Public
   6 # License as published by the Free Software Foundation; either
   7 # version 2.1 of the License, or (at your option) any later version.
   8
   9 # The GNU C Library is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12 # Lesser General Public License for more details.
  13
  14 # You should have received a copy of the GNU Lesser General Public
  15 # License along with the GNU C Library; if not, see
  16 # <https://www.gnu.org/licenses/>.
  17
  18 #
  19 #       Makefile for timezone information
  20 #
  21 subdir  := timezone
  22
  23 include ../Makeconfig
  24
  25 others  := zdump zic
  26 tests   := test-tz tst-timezone tst-tzset tst-bz28707 tst-bz29951
  27
  28 generated-dirs += testdata
  29
  30 generated += tzselect
  31
  32 testdata = $(objpfx)testdata
  33
  34 ifeq ($(enable-timezone-tools),yes)
  35 install-sbin := zic
  36 install-bin := zdump
  37 install-bin-script = tzselect
  38 endif
  39
  40 ifeq ($(run-built-tests),yes)
  41 # List zones generated by separate commands running zic on the host.
  42 # Each such zic run counts as a separate test.
  43 test-zones := America/New_York Etc/UTC UTC Europe/Berlin \
  44               Australia/Melbourne America/Sao_Paulo Asia/Tokyo \
  45               $(posixrules-file)
  46 tests-special += $(addprefix $(testdata)/, $(test-zones))
  47 endif
  48
  49 include ../Rules
  50
  51
  52 $(objpfx)zic.o: $(objpfx)tzdir.h
  53
  54 # In glibc this file is an empty placeholder,
  55 # as tz-cflags defines TZDEFAULT and TZDIR.
  56 $(objpfx)tzdir.h:
  57         > $@
  58
  59 $(objpfx)zic.o $(objpfx)zdump.o: $(objpfx)version.h
  60
  61 $(objpfx)version.h: $(common-objpfx)config.make
  62         echo 'static char const TZVERSION[]="$(version)";' \
  63             > $@.new
  64         mv -f $@.new $@
  65
  66 tz-cflags = -DTZDIR='"$(zonedir)"' \
  67             -DTZDEFAULT='"$(localtime-file)"' \
  68             -DTZDEFRULES='"$(posixrules-file)"' \
  69             -DTM_GMTOFF=tm_gmtoff -DTM_ZONE=tm_zone \
  70             -DHAVE_GETTEXT -DUSE_LTZ=0 -D_ISOMAC -DTZ_DOMAIN='"libc"' \
  71             -include $(common-objpfx)config.h -Wno-maybe-uninitialized
  72
  73 # The -Wno-unused-variable flag is used to prevent GCC 6
  74 # from warning about time_t_min and time_t_max which are
  75 # defined in private.h but not used.
  76 CFLAGS-zdump.c += $(tz-cflags)
  77 CFLAGS-zic.c += $(tz-cflags) -Wno-unused-variable
  78
  79 # We have to make sure the data for testing the tz functions is available.
  80 # Don't add leapseconds here since test-tz made checks that work only without
  81 # leapseconds.
  82 define build-testdata
  83 $(built-program-cmd) -d $(testdata) -y ./yearistype $<; \
  84 $(evaluate-test)
  85 endef
  86
  87 $(objpfx)test-tz.out: $(addprefix $(testdata)/, America/New_York Etc/UTC UTC)
  88 $(objpfx)tst-timezone.out: $(addprefix $(testdata)/, \
  89                                        Europe/Berlin Universal \
  90                                        Australia/Melbourne \
  91                                        America/New_York \
  92                                        America/Sao_Paulo Asia/Tokyo \
  93                                        Europe/London)
  94 $(objpfx)tst-tzset.out: $(addprefix $(testdata)/XT, 1 2 3 4)
  95 $(objpfx)tst-bz28707.out: $(testdata)/XT5
  96 $(objpfx)tst-bz29951.out: $(testdata)/XT6
  97
  98 test-tz-ENV = TZDIR=$(testdata)
  99 tst-timezone-ENV = TZDIR=$(testdata)
 100 tst-tzset-ENV = TZDIR=$(testdata)
 101 tst-bz28707-ENV = TZDIR=$(testdata)
 102 tst-bz29951-ENV = TZDIR=$(testdata)
 103
 104 # Note this must come second in the deps list for $(built-program-cmd) to work.
 105 zic-deps = $(objpfx)zic $(leapseconds) yearistype
 106
 107 $(testdata)/America/New_York: northamerica $(zic-deps)
 108         $(build-testdata)
 109 $(testdata)/$(posixrules-file): $(testdata)/America/New_York
 110         $(make-link); $(evaluate-test)
 111 $(testdata)/Etc/UTC: etcetera $(zic-deps)
 112         $(build-testdata)
 113 # Use a pattern rule to indicate the command produces both targets at once.
 114 # Two separate targets built separately can collide if in parallel.
 115 %/UTC %/Universal: simplebackw $(zic-deps) %/Etc/UTC
 116         $(build-testdata)
 117         { test -r $(@D)/Universal.test-result \
 118         && cp $(@D)/Universal.test-result $(@D)/UTC.test-result \
 119         && sed -i 's/Universal/UTC/' $(@D)/UTC.test-result ; exit 0; }
 120         { test -r $(@D)/UTC.test-result \
 121         && cp $(@D)/UTC.test-result $(@D)/Universal.test-result \
 122         && sed -i 's/UTC/Universal/' $(@D)/Universal.test-result ; exit 0; }
 123 $(testdata)/%/Berlin $(testdata)/%/London: europe $(zic-deps)
 124         $(build-testdata)
 125 $(testdata)/Australia/Melbourne: australasia $(zic-deps)
 126         $(build-testdata)
 127 $(testdata)/America/Sao_Paulo: southamerica $(zic-deps)
 128         $(build-testdata)
 129 $(testdata)/Asia/Tokyo: asia $(zic-deps)
 130         $(build-testdata)
 131
 132 $(testdata)/XT%: testdata/XT%
 133         $(make-target-directory)
 134         cp $< $@
 135
 136 $(testdata)/XT5: testdata/gen-XT5.sh
 137         $(make-target-directory)
 138         $(SHELL) $< > $@.tmp
 139         mv $@.tmp $@
 140
 141 $(objpfx)tzselect: tzselect.ksh $(common-objpfx)config.make
 142         sed -e 's|TZDIR=[^}]*|TZDIR=$(zonedir)|' \
 143             -e '/TZVERSION=/s|see_Makefile|"$(version)"|' \
 144             -e '/PKGVERSION=/s|=.*|="$(PKGVERSION)"|' \
 145             -e '/REPORT_BUGS_TO=/s|=.*|="$(REPORT_BUGS_TO)"|' \
 146             < $< > $@.new
 147         chmod 555 $@.new
 148         mv -f $@.new $@