time/Makefile

   1 # Copyright (C) 1991, 92, 93, 94, 95, 96 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 Library General Public License as
   6 # published by the Free Software Foundation; either version 2 of the
   7 # 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 # Library General Public License for more details.
  13
  14 # You should have received a copy of the GNU Library General Public
  15 # License along with the GNU C Library; see the file COPYING.LIB.  If
  16 # not, write to the Free Software Foundation, Inc., 675 Mass Ave,
  17 # Cambridge, MA 02139, USA.
  18
  19 #
  20 #       Makefile for time routines
  21 #
  22 subdir  := time
  23
  24 headers := time.h sys/time.h sys/timeb.h timebits.h
  25 distribute := tzfile.h private.h scheck.c ialloc.c yearistype   \
  26               iso3166.tab zone.tab tzselect.ksh checktab.awk
  27 extra-objs = scheck.o ialloc.o $(tzfiles:%=z.%)
  28
  29 routines        := offtime asctime clock ctime ctime_r difftime \
  30                    gmtime localtime mktime strftime time tzset  \
  31                    tzfile gettimeofday settimeofday adjtime     \
  32                    getitimer setitimer                          \
  33                    stime dysize timegm ftime                    \
  34                    strptime
  35
  36 others  := ap zdump zic
  37 tests   := test_time clocktest test-tz
  38
  39 tzfiles := africa antarctica asia australasia europe northamerica \
  40            southamerica etcetera factory systemv backward \
  41            solar87 solar88 solar89
  42 # pacificnew doesn't compile; if it is to be used, it should be included in
  43 # northamerica.
  44 distribute := $(distribute) $(tzfiles) leapseconds pacificnew
  45
  46 install-sbin := zic zdump
  47
  48 all: # Make this the default target; it will be defined in Rules.
  49
  50 include ../Makeconfig   # Get objpfx defined so we can use it below.
  51
  52 # z.* use this variable.
  53 define nl
  54
  55
  56 endef
  57 -include $(addprefix $(objpfx)z.,$(tzfiles))
  58
  59 # Make these absolute file names.
  60 installed-localtime-file := $(firstword $(filter /%,$(localtime-file)) \
  61                                         $(addprefix $(zonedir)/, \
  62                                                     $(localtime-file)))
  63 installed-posixrules-file := $(firstword $(filter /%,$(posixrules-file)) \
  64                                          $(addprefix $(zonedir)/, \
  65                                                      $(posixrules-file)))
  66
  67 ifeq ($(cross-compiling),no)
  68 # Don't try to install the zoneinfo files since we can't run zic.
  69 install-others = $(addprefix $(zonedir)/,$(zonenames) \
  70                                          $(zonenames:%=posix/%) \
  71                                          $(zonenames:%=right/%)) \
  72                  $(installed-localtime-file) $(installed-posixrules-file)
  73 endif
  74
  75 include ../Rules
  76
  77
  78 $(tzfiles:%=$(objpfx)z.%): $(objpfx)z.%: % Makefile
  79 # Kludge alert: we use an implicit rule (in what we are generating here)
  80 # because that is the only way to tell Make that the one command builds all
  81 # the files.
  82         (echo 'define $*-zones'                                         ;\
  83          awk '$$1 == "Zone" { print $$2 } $$1 == "Link" { print $$3 }' $^;\
  84          echo 'endef'                                                   ;\
  85          echo '$*-zones := $$(subst $$(nl), ,$$($*-zones))'             ;\
  86          echo 'ifdef $*-zones'                                          ;\
  87          echo '$$(addprefix $$(datadir)/zone%/right/,$$($*-zones)): \'  ;\
  88          echo '$< $$(objpfx)zic leapseconds yearistype'                 ;\
  89          echo ' $$(tzcompile)'                                          ;\
  90          echo '$$(addprefix $$(datadir)/zone%/posix/,$$($*-zones)): \'  ;\
  91          echo '$< $$(objpfx)zic /dev/null yearistype'                   ;\
  92          echo ' $$(tzcompile)'                                          ;\
  93          echo '$$(addprefix $$(datadir)/zone%/,$$($*-zones)): \'        ;\
  94          echo '$< $$(objpfx)zic $$(leapseconds) yearistype'             ;\
  95          echo ' $$(tzcompile)'                                          ;\
  96          echo 'endif'                                                   ;\
  97          echo 'zonenames := $$(zonenames) $$($*-zones)'                 ;\
  98         ) > $@.new
  99         mv $@.new $@
 100
 101 .PHONY: echo-zonenames
 102 echo-zonenames: zonenames
 103         @echo 'Known zones: $(zonenames)'
 104
 105
 106 # Although $(zonedir) gets compiled into zic, it is useful to always
 107 # specify it with -d on the command line so that it can be overridden on
 108 # the command line of `make install' (e.g., "make install prefix=/foo").
 109 zic-cmd = $(built-program-cmd) -d $(zonedir)
 110 tzcompile = $(zic-cmd)$(target-zone-flavor) -L $(word 3,$^) \
 111             -y $(dir $(word 4,$^))$(notdir $(word 4,$^)) $<
 112
 113 # The source files specify the zone names relative to the -d directory,
 114 # so for the posix/ and right/ flavors we need to pass -d $(zonedir)/posix
 115 # and the like.  This magic extracts /posix or /right if it's the first
 116 # component after $(zonedir) in the target name $@.
 117 target-zone-flavor = $(filter /posix /right, \
 118                               /$(firstword $(subst /, , \
 119                                            $(patsubst $(zonedir)/%,%,$@))))
 120
 121 ifdef localtime
 122 $(installed-localtime-file): $(zonedir)/$(localtime) $(objpfx)zic
 123         $(make-target-directory)
 124         if test -r $@; then \
 125           echo Site timezone NOT reset to Factory.; \
 126         else \
 127           rm -f $@T; \
 128           $(SHELL) $(common-objpfx)$(..)rellns-sh $< $@T; \
 129           mv -f $@T $@; \
 130         fi
 131 endif
 132 ifdef posixrules
 133 $(installed-posixrules-file): $(zonedir)/$(posixrules) $(objpfx)zic
 134         $(zic-cmd) -p $(posixrules)
 135 endif
 136
 137
 138 $(objpfx)zic: $(objpfx)scheck.o $(objpfx)ialloc.o
 139
 140 tz-cflags = -DTZDIR='"$(zonedir)"' \
 141             -DTZDEFAULT='"$(localtime-file)"' \
 142             -DTZDEFRULES='"$(posixrules-file)"'
 143
 144 CFLAGS-zdump.c = -Wno-strict-prototypes -DNOID
 145 CFLAGS-zic.c = -Wno-strict-prototypes -DNOID $(tz-cflags)
 146 CFLAGS-ialloc.c = -Wno-strict-prototypes -DNOID
 147 CFLAGS-scheck.c = -Wno-strict-prototypes -DNOID
 148 CFLAGS-tzfile.c = $(tz-cflags)