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 extra-objs = scheck.o ialloc.o $(tzfiles:%=z.%)
  27
  28 routines        := offtime asctime clock ctime difftime gmtime  \
  29                    localtime mktime strftime time tzset tzfile  \
  30                    gettimeofday settimeofday adjtime            \
  31                    getitimer setitimer                          \
  32                    stime dysize timegm ftime                    \
  33                    strptime
  34
  35 others  := ap zdump zic
  36 tests   := test_time clocktest test-tz
  37
  38 tzfiles := africa antarctica asia australasia europe northamerica \
  39            southamerica etcetera factory systemv backward \
  40            solar87 solar88 solar89
  41 # pacificnew doesn't compile; if it is to be used, it should be included in
  42 # northamerica.
  43 distribute := $(distribute) $(tzfiles) leapseconds pacificnew
  44
  45 install-sbin := zic zdump
  46
  47 all: # Make this the default target; it will be defined in Rules.
  48
  49 include ../Makeconfig   # Get objpfx defined so we can use it below.
  50
  51 # z.* use this variable.
  52 define nl
  53
  54
  55 endef
  56 -include $(addprefix $(objpfx)z.,$(tzfiles))
  57
  58 # Make these absolute file names.
  59 installed-localtime-file := $(firstword $(filter /%,$(localtime-file)) \
  60                                         $(addprefix $(zonedir)/, \
  61                                                     $(localtime-file)))
  62 installed-posixrules-file := $(firstword $(filter /%,$(posixrules-file)) \
  63                                          $(addprefix $(zonedir)/, \
  64                                                      $(posixrules-file)))
  65
  66 ifeq ($(cross-compiling),no)
  67 # Don't try to install the zoneinfo files since we can't run zic.
  68 install-others = $(addprefix $(zonedir)/,$(zonenames) \
  69                                          $(zonenames:%=posix/%) \
  70                                          $(zonenames:%=right/%)) \
  71                  $(installed-localtime-file) $(installed-posixrules-file)
  72 endif
  73
  74 include ../Rules
  75
  76
  77 $(tzfiles:%=$(objpfx)z.%): $(objpfx)z.%: % Makefile
  78 # Kludge alert: we use an implicit rule (in what we are generating here)
  79 # because that is the only way to tell Make that the one command builds all
  80 # the files.
  81         (echo 'define $*-zones'                                         ;\
  82          awk '$$1 == "Zone" { print $$2 } $$1 == "Link" { print $$3 }' $^;\
  83          echo 'endef'                                                   ;\
  84          echo '$*-zones := $$(subst $$(nl), ,$$($*-zones))'             ;\
  85          echo 'ifdef $*-zones'                                          ;\
  86          echo '$$(addprefix $$(datadir)/zone%/right/,$$($*-zones)): \'  ;\
  87          echo '$< $$(objpfx)zic leapseconds yearistype'                 ;\
  88          echo ' $$(tzcompile)'                                          ;\
  89          echo '$$(addprefix $$(datadir)/zone%/posix/,$$($*-zones)): \'  ;\
  90          echo '$< $$(objpfx)zic /dev/null yearistype'                   ;\
  91          echo ' $$(tzcompile)'                                          ;\
  92          echo '$$(addprefix $$(datadir)/zone%/,$$($*-zones)): \'        ;\
  93          echo '$< $$(objpfx)zic $$(leapseconds) yearistype'             ;\
  94          echo ' $$(tzcompile)'                                          ;\
  95          echo 'endif'                                                   ;\
  96          echo 'zonenames := $$(zonenames) $$($*-zones)'                 ;\
  97         ) > $@.new
  98         mv $@.new $@
  99
 100 .PHONY: echo-zonenames
 101 echo-zonenames: zonenames
 102         @echo 'Known zones: $(zonenames)'
 103
 104
 105 # Although $(zonedir) gets compiled into zic, it is useful to always
 106 # specify it with -d on the command line so that it can be overridden on
 107 # the command line of `make install' (e.g., "make install prefix=/foo").
 108 zic-cmd = $(built-program-cmd) -d $(zonedir)
 109 tzcompile = $(zic-cmd)$(target-zone-flavor) -L $(word 3,$^) \
 110             -y $(dir $(word 4,$^))$(notdir $(word 4,$^)) $<
 111
 112 # The source files specify the zone names relative to the -d directory,
 113 # so for the posix/ and right/ flavors we need to pass -d $(zonedir)/posix
 114 # and the like.  This magic extracts /posix or /right if it's the first
 115 # component after $(zonedir) in the target name $@.
 116 target-zone-flavor = $(filter /posix /right, \
 117                               /$(firstword $(subst /, , \
 118                                            $(patsubst $(zonedir)/%,%,$@))))
 119
 120 ifdef localtime
 121 $(installed-localtime-file): $(zonedir)/$(localtime) $(objpfx)zic
 122         $(zic-cmd) -l $(localtime)
 123 endif
 124 ifdef posixrules
 125 $(installed-posixrules-file): $(zonedir)/$(posixrules) $(objpfx)zic
 126         $(zic-cmd) -p $(posixrules)
 127 endif
 128
 129
 130 $(objpfx)zic: $(objpfx)scheck.o $(objpfx)ialloc.o
 131
 132 tz-cflags = -DTZDIR='"$(zonedir)"' \
 133             -DTZDEFAULT='"$(localtime-file)"' \
 134             -DTZDEFRULES='"$(posixrules-file)"'
 135
 136 CFLAGS-zdump.c = -Wno-strict-prototypes -DNOID
 137 CFLAGS-zic.c = -Wno-strict-prototypes -DNOID $(tz-cflags)
 138 CFLAGS-ialloc.c = -Wno-strict-prototypes -DNOID
 139 CFLAGS-scheck.c = -Wno-strict-prototypes -DNOID
 140 CFLAGS-tzfile.c = $(tz-cflags)