1# Copyright (C) 1998-2022 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#
21subdir	:= timezone
22
23include ../Makeconfig
24
25others	:= zdump zic
26tests	:= test-tz tst-timezone tst-tzset tst-bz28707
27
28generated-dirs += testdata
29
30generated += tzselect
31
32testdata = $(objpfx)testdata
33
34ifeq ($(enable-timezone-tools),yes)
35install-sbin := zic
36install-bin := zdump
37install-bin-script = tzselect
38endif
39
40ifeq ($(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.
43test-zones := America/New_York Etc/UTC UTC Europe/Berlin \
44	      Australia/Melbourne America/Sao_Paulo Asia/Tokyo \
45	      $(posixrules-file)
46tests-special += $(addprefix $(testdata)/, $(test-zones))
47endif
48
49include ../Rules
50
51
52$(objpfx)zic.o $(objpfx)zdump.o: $(objpfx)version.h
53
54$(objpfx)version.h: $(common-objpfx)config.make
55	echo 'static char const TZVERSION[]="$(version)";' \
56	    > $@.new
57	mv -f $@.new $@
58
59tz-cflags = -DTZDIR='"$(zonedir)"' \
60	    -DTZDEFAULT='"$(localtime-file)"' \
61	    -DTZDEFRULES='"$(posixrules-file)"' \
62	    -DTM_GMTOFF=tm_gmtoff -DTM_ZONE=tm_zone \
63	    -DHAVE_GETTEXT -DUSE_LTZ=0 -D_ISOMAC -DTZ_DOMAIN='"libc"' \
64	    -include $(common-objpfx)config.h -Wno-maybe-uninitialized
65
66# The -Wno-unused-variable flag is used to prevent GCC 6
67# from warning about time_t_min and time_t_max which are
68# defined in private.h but not used.
69CFLAGS-zdump.c += $(tz-cflags)
70CFLAGS-zic.c += $(tz-cflags) -Wno-unused-variable
71
72# We have to make sure the data for testing the tz functions is available.
73# Don't add leapseconds here since test-tz made checks that work only without
74# leapseconds.
75define build-testdata
76$(built-program-cmd) -d $(testdata) -y ./yearistype $<; \
77$(evaluate-test)
78endef
79
80$(objpfx)test-tz.out: $(addprefix $(testdata)/, America/New_York Etc/UTC UTC)
81$(objpfx)tst-timezone.out: $(addprefix $(testdata)/, \
82				       Europe/Berlin Universal \
83				       Australia/Melbourne \
84				       America/New_York \
85				       America/Sao_Paulo Asia/Tokyo \
86				       Europe/London)
87$(objpfx)tst-tzset.out: $(addprefix $(testdata)/XT, 1 2 3 4)
88$(objpfx)tst-bz28707.out: $(testdata)/XT5
89
90test-tz-ENV = TZDIR=$(testdata)
91tst-timezone-ENV = TZDIR=$(testdata)
92tst-tzset-ENV = TZDIR=$(testdata)
93tst-bz28707-ENV = TZDIR=$(testdata)
94
95# Note this must come second in the deps list for $(built-program-cmd) to work.
96zic-deps = $(objpfx)zic $(leapseconds) yearistype
97
98$(testdata)/America/New_York: northamerica $(zic-deps)
99	$(build-testdata)
100$(testdata)/$(posixrules-file): $(testdata)/America/New_York
101	$(make-link); $(evaluate-test)
102$(testdata)/Etc/UTC: etcetera $(zic-deps)
103	$(build-testdata)
104# Use a pattern rule to indicate the command produces both targets at once.
105# Two separate targets built separately can collide if in parallel.
106%/UTC %/Universal: simplebackw $(zic-deps) %/Etc/UTC
107	$(build-testdata)
108	{ test -r $(@D)/Universal.test-result \
109	&& cp $(@D)/Universal.test-result $(@D)/UTC.test-result \
110	&& sed -i 's/Universal/UTC/' $(@D)/UTC.test-result ; exit 0; }
111	{ test -r $(@D)/UTC.test-result \
112	&& cp $(@D)/UTC.test-result $(@D)/Universal.test-result \
113	&& sed -i 's/UTC/Universal/' $(@D)/Universal.test-result ; exit 0; }
114$(testdata)/%/Berlin $(testdata)/%/London: europe $(zic-deps)
115	$(build-testdata)
116$(testdata)/Australia/Melbourne: australasia $(zic-deps)
117	$(build-testdata)
118$(testdata)/America/Sao_Paulo: southamerica $(zic-deps)
119	$(build-testdata)
120$(testdata)/Asia/Tokyo: asia $(zic-deps)
121	$(build-testdata)
122
123$(testdata)/XT%: testdata/XT%
124	$(make-target-directory)
125	cp $< $@
126
127$(testdata)/XT5: testdata/gen-XT5.sh
128	$(make-target-directory)
129	$(SHELL) $< > $@.tmp
130	mv $@.tmp $@
131
132$(objpfx)tzselect: tzselect.ksh $(common-objpfx)config.make
133	sed -e 's|TZDIR=[^}]*|TZDIR=$(zonedir)|' \
134	    -e '/TZVERSION=/s|see_Makefile|"$(version)"|' \
135	    -e '/PKGVERSION=/s|=.*|="$(PKGVERSION)"|' \
136	    -e '/REPORT_BUGS_TO=/s|=.*|="$(REPORT_BUGS_TO)"|' \
137	    < $< > $@.new
138	chmod 555 $@.new
139	mv -f $@.new $@
140