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127 lines
4.2 KiB
Makefile
127 lines
4.2 KiB
Makefile
# Copyright (C) 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
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# This file is part of the GNU C Library.
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# The GNU C Library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Library General Public License as
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# published by the Free Software Foundation; either version 2 of the
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# License, or (at your option) any later version.
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# The GNU C Library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Library General Public License for more details.
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# You should have received a copy of the GNU Library General Public
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# License along with the GNU C Library; see the file COPYING.LIB. If
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# not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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# Cambridge, MA 02139, USA.
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#
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# Makefile for time routines
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#
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subdir := time
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headers := time.h sys/time.h sys/timeb.h
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distribute := tzfile.h private.h scheck.c ialloc.c emkdir.c yearistype
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extra-objs = scheck.o ialloc.o emkdir.o zonenames $(tzfiles:%=z.%)
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routines := offtime asctime clock ctime difftime gmtime \
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localtime mktime strftime time tzset tzfile \
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gettimeofday settimeofday adjtime \
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getitimer setitimer \
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stime dysize timegm ftime
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others := ap zdump zic
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tests := test_time clocktest
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tzfiles := africa antarctica asia australasia europe northamerica \
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southamerica etcetera factory systemv backward
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# pacificnew doesn't compile; if it is to be used, it should be included in
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# northamerica.
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distribute := $(distribute) $(tzfiles) leapseconds pacificnew
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install-sbin := zic zdump
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include ../Makeconfig # Get objpfx defined so we can use it below.
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# zonenames uses this variable.
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define nl
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endef
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include $(objpfx)zonenames
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# Make these absolute file names.
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installed-localtime-file := $(firstword $(filter /%,$(localtime-file)) \
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$(addprefix $(zonedir)/, \
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$(localtime-file)))
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installed-posixrules-file := $(firstword $(filter /%,$(posixrules-file)) \
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$(addprefix $(zonedir)/, \
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$(posixrules-file)))
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ifndef cross-compiling
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# Don't try to install the zoneinfo files since we can't run zic.
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install-others = $(addprefix $(zonedir)/,$(zonenames)) \
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$(installed-localtime-file) $(installed-posixrules-file)
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endif
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include ../Rules
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$(tzfiles:%=$(objpfx)z.%): $(objpfx)z.%: % Makefile
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# Kludge alert: we use an implicit rule (in what we are generating here)
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# because that is the only way to tell Make that the one command builds all
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# the files.
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(echo 'define $*-zones' ;\
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awk '$$1 == "Zone" { print $$2 } $$1 == "Link" { print $$3 }' $^;\
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echo 'endef' ;\
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echo '$*-zones := $$(subst $$(nl), ,$$($*-zones))' ;\
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echo 'ifdef $*-zones' ;\
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echo '$$(addprefix $$(datadir)/zone%/,$$($*-zones)): \' ;\
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echo '$< $$(objpfx)zic leapseconds yearistype' ;\
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echo ' $$(tzcompile)' ;\
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echo 'endif' ;\
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echo 'zonenames := $$(zonenames) $$($*-zones)' ;\
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) > $@.new
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mv $@.new $@
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$(objpfx)zonenames: Makefile
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(for file in $(tzfiles); do \
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echo "include \$$(objpfx)z.$$file"; \
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done) > $@.new
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mv $@.new $@
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.PHONY: echo-zonenames
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echo-zonenames: zonenames
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@echo 'Known zones: $(zonenames)'
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# Although $(zonedir) gets compiled into zic, it is useful to always
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# specify it with -d on the command line so that it can be overridden on
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# the command line of `make install' (e.g., "make install prefix=/foo").
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zic-cmd = $(dir $(word 2,$^))$(notdir $(word 2,$^)) -d $(zonedir)
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define tzcompile
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$(zic-cmd) -L $(word 3,$^) -y $(dir $(word 4,$^))$(notdir $(word 4,$^)) $<
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endef
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ifdef localtime
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$(installed-localtime-file): $(zonedir)/$(localtime) $(objpfx)zic
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$(zic-cmd) -l $(localtime)
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endif
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ifdef posixrules
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$(installed-posixrules-file): $(zonedir)/$(posixrules) $(objpfx)zic
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$(zic-cmd) -p $(posixrules)
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endif
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$(objpfx)zic: $(objpfx)scheck.o $(objpfx)ialloc.o $(objpfx)emkdir.o
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$(objpfx)tzfile.o: tzfile.c; $(tz-cc)
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$(objpfx)zic.o: zic.c; $(tz-cc)
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# Some versions of GNU make have a bug with backslashes in define directives.
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tz-cc = $(COMPILE.c) $(+gcc-nowarn) \
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-DTZDIR='"$(zonedir)"' \
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-DTZDEFAULT='"$(localtime-file)"' \
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-DTZDEFRULES='"$(posixrules-file)"' \
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$< $(OUTPUT_OPTION)
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