summary refs log tree commit diff
path: root/time/Makefile
blob: 3d8240c7aecdd02b21d84f47374516ba5fc6d36b (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
# Copyright (C) 1991, 92, 93, 94, 95, 96 Free Software Foundation, Inc.
# This file is part of the GNU C Library.

# The GNU C Library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Library General Public License as
# published by the Free Software Foundation; either version 2 of the
# License, or (at your option) any later version.

# The GNU C Library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# Library General Public License for more details.

# You should have received a copy of the GNU Library General Public
# License along with the GNU C Library; see the file COPYING.LIB.  If
# not, write to the Free Software Foundation, Inc., 675 Mass Ave,
# Cambridge, MA 02139, USA.

#
#	Makefile for time routines
#
subdir	:= time

headers	:= time.h sys/time.h sys/timeb.h timebits.h
distribute := tzfile.h private.h scheck.c ialloc.c yearistype
extra-objs = scheck.o ialloc.o $(tzfiles:%=z.%)

routines	:= offtime asctime clock ctime difftime gmtime	\
		   localtime mktime strftime time tzset tzfile	\
		   gettimeofday settimeofday adjtime		\
		   getitimer setitimer				\
		   stime dysize timegm ftime			\
		   strptime

others	:= ap zdump zic
tests	:= test_time clocktest test-tz

tzfiles := africa antarctica asia australasia europe northamerica \
	   southamerica etcetera factory systemv backward \
	   solar87 solar88 solar89
# pacificnew doesn't compile; if it is to be used, it should be included in
# northamerica.
distribute := $(distribute) $(tzfiles) leapseconds pacificnew

install-sbin := zic zdump

all: # Make this the default target; it will be defined in Rules.

include ../Makeconfig	# Get objpfx defined so we can use it below.

# z.* use this variable.
define nl


endef
-include $(addprefix $(objpfx)z.,$(tzfiles))

# Make these absolute file names.
installed-localtime-file := $(firstword $(filter /%,$(localtime-file)) \
					$(addprefix $(zonedir)/, \
						    $(localtime-file)))
installed-posixrules-file := $(firstword $(filter /%,$(posixrules-file)) \
					 $(addprefix $(zonedir)/, \
						     $(posixrules-file)))

ifeq ($(cross-compiling),no)
# Don't try to install the zoneinfo files since we can't run zic.
install-others = $(addprefix $(zonedir)/,$(zonenames) \
					 $(zonenames:%=posix/%) \
					 $(zonenames:%=right/%)) \
		 $(installed-localtime-file) $(installed-posixrules-file)
endif

include ../Rules


$(tzfiles:%=$(objpfx)z.%): $(objpfx)z.%: % Makefile
# Kludge alert: we use an implicit rule (in what we are generating here)
# because that is the only way to tell Make that the one command builds all
# the files.
	(echo 'define $*-zones'						;\
	 awk '$$1 == "Zone" { print $$2 } $$1 == "Link" { print $$3 }' $^;\
	 echo 'endef'							;\
	 echo '$*-zones := $$(subst $$(nl), ,$$($*-zones))'		;\
	 echo 'ifdef $*-zones'						;\
	 echo '$$(addprefix $$(datadir)/zone%/right/,$$($*-zones)): \'	;\
	 echo '$< $$(objpfx)zic leapseconds yearistype'			;\
	 echo '	$$(tzcompile)'						;\
	 echo '$$(addprefix $$(datadir)/zone%/posix/,$$($*-zones)): \'	;\
	 echo '$< $$(objpfx)zic /dev/null yearistype'			;\
	 echo '	$$(tzcompile)'						;\
	 echo '$$(addprefix $$(datadir)/zone%/,$$($*-zones)): \'	;\
	 echo '$< $$(objpfx)zic $$(leapseconds) yearistype'		;\
	 echo '	$$(tzcompile)'						;\
	 echo 'endif'							;\
	 echo 'zonenames := $$(zonenames) $$($*-zones)'			;\
	) > $@.new
	mv $@.new $@

.PHONY: echo-zonenames
echo-zonenames: zonenames
	@echo 'Known zones: $(zonenames)'


# Although $(zonedir) gets compiled into zic, it is useful to always
# specify it with -d on the command line so that it can be overridden on
# the command line of `make install' (e.g., "make install prefix=/foo").
zic-cmd = $(built-program-cmd) -d $(zonedir)
tzcompile = $(zic-cmd)$(target-zone-flavor) -L $(word 3,$^) \
	    -y $(dir $(word 4,$^))$(notdir $(word 4,$^)) $<

# The source files specify the zone names relative to the -d directory,
# so for the posix/ and right/ flavors we need to pass -d $(zonedir)/posix
# and the like.  This magic extracts /posix or /right if it's the first
# component after $(zonedir) in the target name $@.
target-zone-flavor = $(filter /posix /right, \
			      /$(firstword $(subst /, , \
					   $(patsubst $(zonedir)/%,%,$@))))

ifdef localtime
$(installed-localtime-file): $(zonedir)/$(localtime) $(objpfx)zic
	$(zic-cmd) -l $(localtime)
endif
ifdef posixrules
$(installed-posixrules-file): $(zonedir)/$(posixrules) $(objpfx)zic
	$(zic-cmd) -p $(posixrules)
endif


$(objpfx)zic: $(objpfx)scheck.o $(objpfx)ialloc.o

tz-cflags = -DTZDIR='"$(zonedir)"' \
	    -DTZDEFAULT='"$(localtime-file)"' \
	    -DTZDEFRULES='"$(posixrules-file)"'

CFLAGS-zdump.c = -Wno-strict-prototypes -DNOID
CFLAGS-zic.c = -Wno-strict-prototypes -DNOID $(tz-cflags)
CFLAGS-ialloc.c = -Wno-strict-prototypes -DNOID
CFLAGS-scheck.c = -Wno-strict-prototypes -DNOID
CFLAGS-tzfile.c = $(tz-cflags)