summary refs log tree commit diff
path: root/time/Makefile
diff options
context:
space:
mode:
Diffstat (limited to 'time/Makefile')
-rw-r--r--time/Makefile126
1 files changed, 126 insertions, 0 deletions
diff --git a/time/Makefile b/time/Makefile
new file mode 100644
index 0000000000..684fa51a53
--- /dev/null
+++ b/time/Makefile
@@ -0,0 +1,126 @@
+# Copyright (C) 1991, 1992, 1993, 1994, 1995 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
+distribute := tzfile.h private.h scheck.c ialloc.c emkdir.c yearistype
+extra-objs = scheck.o ialloc.o emkdir.o zonenames $(tzfiles:%=z.%)
+
+routines	:= offtime asctime clock ctime difftime gmtime	\
+		   localtime mktime strftime time tzset tzfile	\
+		   gettimeofday settimeofday adjtime		\
+		   getitimer setitimer				\
+		   stime dysize timegm ftime
+
+others	:= ap zdump zic
+tests	:= test_time clocktest
+
+tzfiles := africa antarctica asia australasia europe northamerica \
+	   southamerica etcetera factory systemv backward
+# 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
+
+include ../Makeconfig	# Get objpfx defined so we can use it below.
+
+# zonenames uses this variable.
+define nl
+
+
+endef
+include $(objpfx)zonenames
+
+# 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)))
+
+ifndef cross-compiling
+# Don't try to install the zoneinfo files since we can't run zic.
+install-others = $(addprefix $(zonedir)/,$(zonenames)) \
+		 $(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 $$(datadir)/zone%/,$$($*-zones)): \'	;\
+	 echo '$< $$(objpfx)zic leapseconds yearistype'			;\
+	 echo '	$$(tzcompile)'						;\
+	 echo 'endif'							;\
+	 echo 'zonenames := $$(zonenames) $$($*-zones)'			;\
+	) > $@.new
+	mv $@.new $@
+$(objpfx)zonenames: Makefile
+	(for file in $(tzfiles); do \
+	   echo "include \$$(objpfx)z.$$file"; \
+	 done) > $@.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 = $(dir $(word 2,$^))$(notdir $(word 2,$^)) -d $(zonedir)
+define tzcompile
+$(zic-cmd) -L $(word 3,$^) -y $(dir $(word 4,$^))$(notdir $(word 4,$^)) $<
+endef
+
+ifdef localtime
+$(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 $(objpfx)emkdir.o
+
+$(objpfx)tzfile.o: tzfile.c; $(tz-cc)
+$(objpfx)zic.o: zic.c; $(tz-cc)
+
+# Some versions of GNU make have a bug with backslashes in define directives.
+tz-cc = $(COMPILE.c) $(+gcc-nowarn) \
+	     -DTZDIR='"$(zonedir)"' \
+	     -DTZDEFAULT='"$(localtime-file)"' \
+	     -DTZDEFRULES='"$(posixrules-file)"' \
+	     $< $(OUTPUT_OPTION)