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