Markus Armbruster
e1273ae4ca
Blow away $(einfodir) and $(ehtmldir). Without this, formatted pages can linger after page removal. Matters, because info.c searches $(einfodir) rather than the index $(einfodir)/all. Same for web servers and $(ehtmldir). Signed-off-by: Markus Armbruster <armbru@pond.sub.org>
424 lines
13 KiB
Makefile
424 lines
13 KiB
Makefile
#
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# Empire - A multi-player, client/server Internet based war game.
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# Copyright (C) 1986-2013, Dave Pare, Jeff Bailey, Thomas Ruschak,
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# Ken Stevens, Steve McClure, Markus Armbruster
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#
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# Empire is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program 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
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# ---
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#
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# See files README, COPYING and CREDITS in the root of the source
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# tree for related information and legal notices. It is expected
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# that future projects/authors will amend these files as needed.
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#
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# ---
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#
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# Make.mk: The real Makefile, included by GNUmakefile
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#
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# Known contributors to this file:
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# Markus Armbruster, 2005-2013
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#
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# This makefile was inspired by `Recursive Make Considered Harmful',
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# Peter Miller, 1997.
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# http://miller.emu.id.au/pmiller/books/rmch/
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# Recursively expanded variables are occasionally useful, but can be
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# slow and tricky. Do not use them gratuitously. If you don't
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# understand this, always use `:=' rather than `='.
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# Default goal
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all:
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# Delete target on error. Every Makefile should have this.
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.DELETE_ON_ERROR:
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# Source files
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ifeq ($(revctrl),git)
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src := $(shell cd $(srcdir) && git ls-files)
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else
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include $(srcdir)/sources.mk
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endif
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dirs := $(sort $(dir $(src)))
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csrc := $(filter %.c, $(src))
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tsrc := $(filter %.t, $(src))
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man6 := $(filter man/%.6, $(src))
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builtins := $(filter src/lib/global/%.config, $(src))
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# Info subjects
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include $(srcdir)/info/subjects.mk
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# Abbreviations
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topics := $(patsubst %.t,%,$(notdir $(tsrc)))
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info := $(topics) $(subjects) all TOP
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scripts := $(srcdir)/src/scripts
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depcomp := $(SHELL) $(srcdir)/depcomp
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tarball := $(SHELL) -e $(scripts)/tarball
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econfig := $(sysconfdir)/empire/econfig
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schedule := $(sysconfdir)/empire/schedule
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gamedir := $(localstatedir)/empire
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builtindir := $(datadir)/empire/builtin
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einfodir := $(datadir)/empire/info.nr
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ehtmldir := $(datadir)/empire/info.html
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client/w32 := arpa/inet.h netdb.h netinet/in.h sys/time.h sys/socket.h \
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sys/uio.h unistd.h w32io.c w32sockets.c w32types.h
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# Abbreviate make output
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# Run make with a V=1 parameter for full output.
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ifneq ($(origin V),command line)
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V:=
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endif
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# $(call quiet-command COMMAND,ABBREV) runs COMMAND, but prints only ABBREV.
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# Recursively expanded so that variables in COMMAND and ABBREV work.
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ifneq ($V$(findstring s,$(MAKEFLAGS)),)
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quiet-command = $1
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else
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quiet-command = @echo $2 && $1
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endif
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# How to substitute Autoconf output variables
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# Recursively expanded so that $@ and $< work.
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subst.in = sed \
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-e 's?@configure_input\@?$(notdir $@): Generated from $(notdir $<) by make.?g' \
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-e 's?@builtindir\@?$(builtindir)?g' \
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-e 's?@econfig\@?$(econfig)?g' \
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-e 's?@einfodir\@?$(einfodir)?g' \
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-e 's?@gamedir\@?$(gamedir)?g' \
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-e 's/@EMPIREHOST\@/$(EMPIREHOST)/g' \
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-e 's/@EMPIREPORT\@/$(EMPIREPORT)/g'
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# Generated files
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# See `Cleanliness' below
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mk :=
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ifeq ($(revctrl),git)
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mk += $(srcdir)/sources.mk
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endif
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# Generated by Autoconf, not distributed:
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ac := config.h config.log config.status info.html info.nr lib stamp-h
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ac += $(basename $(filter %.in, $(src)))
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ac += $(srcdir)/autom4te.cache $(srcdir)/src/client/autom4te.cache
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# distributed by dist-source from $(srcdir):
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acdist := aclocal.m4 config.h.in configure stamp-h.in
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# distributed by dist-client from $(srcdir):
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acdistcli := $(addprefix src/client/, aclocal.m4 config.h.in configure)
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# Object files:
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obj := $(csrc:.c=.o) $(filter %.o, $(ac:.c=.o))
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# Dependencies:
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deps := $(obj:.o=.d)
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# Library archives:
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libs := $(addprefix lib/, libcommon.a libgen.a libglobal.a)
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# Programs:
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util := $(addprefix src/util/, $(addsuffix $(EXEEXT), empdump empsched fairland files pconfig))
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client := src/client/empire$(EXEEXT)
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server := src/server/emp_server$(EXEEXT)
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# Info subjects:
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tsubj := $(addprefix info/, $(addsuffix .t, $(subjects)))
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ttop := info/TOP.t
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# Formatted info:
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info.nr := $(addprefix info.nr/, $(info))
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info.html := $(addprefix info.html/, $(addsuffix .html, $(info)))
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info.all := $(info.nr) $(info.html) info.ps info/stamp-subj
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# Tests
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# sandbox
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# Conditionally generated files:
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empth_obj := src/lib/empthread/io.o
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empth_lib :=
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ifeq ($(empthread),LWP)
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empth_obj += src/lib/empthread/lwp.o src/lib/empthread/posix.o
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empth_lib += lib/liblwp.a
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endif
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ifeq ($(empthread),POSIX)
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empth_obj += src/lib/empthread/pthread.o src/lib/empthread/posix.o
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endif
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ifeq ($(empthread),Windows)
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empth_obj += src/lib/empthread/ntthread.o
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endif
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ifeq ($(empthread),Windows) # really: W32, regardless of thread package
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libs += lib/libw32.a
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$(client): lib/libw32.a
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endif
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# Cleanliness
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# Each generated file should be in one of the following sets.
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# Removed by clean:
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clean := $(obj) $(deps) $(libs) $(util) $(client) $(server) $(tsubj) \
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$(ttop) $(info.all) $(empth_obj) $(empth_lib) sandbox
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# Removed by distclean:
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distclean := $(ac) $(mk)
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# Distributed by dist-source from $(srcdir):
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src_distgen := $(acdist)
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# Distributed by dist-client from $(srcdir)/src/client; removed by distclean:
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cli_distgen := $(acdistcli)
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# Compiler flags
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CPPFLAGS += -I$(srcdir)/include -I.
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ifeq ($(empthread),Windows) # really: W32, regardless of thread package
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CPPFLAGS += -I$(srcdir)/src/lib/w32
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endif
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ifeq ($(have_gcc),yes)
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CFLAGS += -fno-builtin-carg # conflicts with our carg()
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CFLAGS += -fno-common
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CFLAGS += -Wall -W -Wno-unused-parameter -Wpointer-arith \
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-Wstrict-prototypes -Wmissing-prototypes -Wnested-externs \
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-Wredundant-decls
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endif
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$(client): LDLIBS := $(LIBS_client)
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$(server): LDLIBS := $(LIBS_server)
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### Advertized goals
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.PHONY: all
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all: $(util) $(client) $(server) info
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.PHONY: info html
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info: $(info.nr)
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html: $(info.html)
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.PHONY: clean
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clean:
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$(call quiet-command,rm -rf $(clean),CLEAN)
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.PHONY: distclean
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distclean: clean
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$(call quiet-command,rm -rf $(distclean) $(cli_distgen),DISTCLEAN)
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.PHONY: install
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install: all installdirs
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$(INSTALL_PROGRAM) $(util) $(server) $(sbindir)
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$(INSTALL_PROGRAM) $(client) $(bindir)
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$(INSTALL) -m 444 $(addprefix $(srcdir)/, $(builtins)) $(builtindir)
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rm -f $(einfodir)/*
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$(INSTALL_DATA) $(info.nr) $(einfodir)
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$(INSTALL_DATA) $(addprefix $(srcdir)/, $(man6)) $(mandir)/man6
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sed -e '1,/^$$/d' -e 's/^/# /g' <$(srcdir)/doc/schedule >$(schedule).dist
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echo >>$(schedule).dist
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echo 'every 10 minutes' >>$(schedule).dist
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[ -e $(schedule) ] || mv $(schedule).dist $(schedule)
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if [ -e $(econfig) ]; then \
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echo "Attempting to update your econfig"; \
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if src/util/pconfig $(econfig) >$(econfig).dist; then \
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if cmp -s $(econfig) $(econfig).dist; then \
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echo "$(econfig) unchanged"; \
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rm $(econfig).dist; \
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fi; \
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else \
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echo "Your $(econfig) doesn't work"; \
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src/util/pconfig >$(econfig).dist; \
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fi; \
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if [ -e $(econfig).dist ]; then \
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echo "Check out $(econfig).dist"; \
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fi; \
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else \
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src/util/pconfig >$(econfig); \
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fi
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.PHONY: installdirs
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installdirs:
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mkdir -p $(sbindir) $(bindir) $(builtindir) $(einfodir) $(mandir)/man6 $(dir $(econfig)) $(gamedir)
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.PHONY: install-html
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install-html: html
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mkdir -p $(ehtmldir)
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rm -f $(ehtmldir)/*
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$(INSTALL_DATA) $(info.html) $(ehtmldir)
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.PHONY: uninstall
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uninstall:
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rm -f $(addprefix $(sbindir)/, $(notdir $(util) $(server)))
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rm -f $(addprefix $(bindir)/, $(notdir $(client)))
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rm -rf $(builtindir) $(einfodir)
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rm -f $(addprefix $(mandir)/man6/, $(notdir $(man6)))
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@echo "$(dir $(econfig)) and $(gamedir) not removed, you may wish to remove it manually."
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.PHONY: dist
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dist: dist-source dist-client dist-info
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.PHONY: check
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check: all
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@echo "Warning: test suite is immature and needs work." >&2
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$(srcdir)/tests/files-test $(srcdir)
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$(srcdir)/tests/fairland-test $(srcdir)
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ifeq ($(empthread),LWP)
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$(srcdir)/tests/smoke-test $(srcdir)
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$(srcdir)/tests/actofgod-test $(srcdir)
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else
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@echo "$(srcdir)/tests/smoke-test SKIPPED"
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@echo "$(srcdir)/tests/actofgod-test SKIPPED"
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endif
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### Implicit rules
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# Compile with dependencies as side effect, i.e. create %.d in
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# addition to %.o.
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ifeq ($(how_to_dep),fast)
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%.o: %.c
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$(call quiet-command,$(COMPILE.c) -MT $@ -MMD -MP -MF $(@:.o=.d) \
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$(OUTPUT_OPTION) $< || { rm -f $(@:.o=.d) $@; false; },CC $@)
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# Why the rm? If gcc's preprocessor chokes, it leaves an empty
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# dependency file behind, and doesn't touch the object file. If an
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# old object file exists, and is newer than the .c file, make will
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# then consider the object file up-to-date.
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endif
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ifeq ($(how_to_dep),depcomp)
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%.o: %.c
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$(call quiet-command,source='$<' object='$@' depfile='$(@:.o=.d)' \
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$(CCDEPMODE) $(depcomp) $(COMPILE.c) $(OUTPUT_OPTION) $<,CC $@)
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endif
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# Cancel the rule to compile %.c straight to %, it interferes with
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# automatic dependency generation
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%: %.c
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%$(EXEEXT): %.o
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$(call quiet-command,$(LINK.o) $^ $(LOADLIBES) $(LDLIBS) -o $@,LINK $@)
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info.nr/%: info/%.t
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$(call quiet-command,$(NROFF) $(filter %.MAC, $^) $< | $(AWK) -f $(filter %/Blank.awk, $^) >$@ && test -s $@,NROFF $@)
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# Pipes in make are a pain. The "test -s" catches obvious errors.
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info.html/%.html: info/%.t
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$(call quiet-command,perl $(srcdir)/info/emp2html.pl $(info) <$< >$@,GEN $@)
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### Explicit rules
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# Compilation
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$(server): $(filter src/server/% src/lib/commands/% src/lib/player/% src/lib/subs/% src/lib/update/%, $(obj)) $(empth_obj) $(empth_lib) $(libs)
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$(call quiet-command,$(LINK.o) $^ $(LOADLIBES) $(LDLIBS) -o $@,LINK $@)
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$(client): $(filter src/client/%, $(obj)) src/lib/global/version.o
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$(call quiet-command,$(LINK.o) $^ $(LOADLIBES) $(LDLIBS) -o $@,LINK $@)
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$(util): $(libs)
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lib/libcommon.a: $(filter src/lib/common/%, $(obj))
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lib/libgen.a: $(filter src/lib/gen/%, $(obj))
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lib/libglobal.a: $(filter src/lib/global/%, $(obj))
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lib/liblwp.a: $(filter src/lib/lwp/%, $(obj))
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lib/libw32.a: $(filter src/lib/w32/%, $(obj))
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$(libs) $(empth_lib):
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$(call quiet-command,$(AR) rc $@ $?,AR $@)
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$(RANLIB) $@
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# Info formatting
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# mksubj.pl reads $(tsrc) and writes $(tsubj). The naive rule
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# $(ttop) $(tsubj): $(tsrc)
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# COMMAND
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# runs COMMAND once for each target. That's because multiple targets
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# in an explicit rule is just a shorthand for one rule per target,
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# each with the same prerequisites and commands. Use a stamp file.
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$(tsubj): info/stamp-subj ;
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info/stamp-subj: info/mksubj.pl $(tsrc)
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$(call quiet-command,perl $(srcdir)/info/mksubj.pl $(subjects) $(filter %.t, $^),GEN '$$(subjects)')
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>$@
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$(ttop): info/mktop.pl info/subjects.mk
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$(call quiet-command,perl $(srcdir)/info/mktop.pl $@ $(subjects),GEN $@)
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info.nr/all: $(filter-out info.nr/all, $(info.nr))
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>$@
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(cd info.nr && LC_ALL=C ls -C $(info)) >>$@
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info.html/all.html: info.nr/all info/ls2html.pl
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expand $< | perl $(srcdir)/info/ls2html.pl >$@
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$(info.nr): info/CRT.MAC info/INFO.MAC info/Blank.awk
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$(info.html): info/emp2html.pl
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info.ps: info/TROFF.MAC info/INFO.MAC $(ttop) $(tsubj) $(tsrc)
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groff $^ >$@
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# Distributing
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.PHONY: dist-source
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dist-source: $(src_distgen)
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ifeq ($(revctrl),git)
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echo "src := $(src)" >$(srcdir)/sources.mk
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endif
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$(tarball) $(TARNAME)-$(VERSION) -C $(srcdir) $(src_distgen) $(src) sources.mk
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.PHONY: dist-client
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dist-client: $(cli_distgen)
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$(tarball) $(TARNAME)-client-$(VERSION) \
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-C $(srcdir)/src/client \
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$(notdir $(filter src/client/%, $(src)) $(cli_distgen)) \
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-C $(srcdir)/include proto.h version.h \
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-C $(srcdir)/src/lib/global version.c \
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-C $(srcdir)/src/lib $(addprefix w32/, $(client/w32)) \
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-C $(srcdir)/man empire.6 \
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-C $(srcdir)/build-aux install-sh \
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-C $(srcdir) COPYING INSTALL
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.PHONY: dist-info
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dist-info: info html
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$(tarball) $(TARNAME)-info-text-$(VERSION) -C info.nr $(info)
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$(tarball) $(TARNAME)-info-html-$(VERSION) -C info.html $(addsuffix .html, $(info))
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# Dependencies
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ifneq ($(deps),)
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-include $(deps)
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endif
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# Automatic remake of configuration
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# See (autoconf)Automatic Remaking.
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# This requires sufficiently recent versions of autoconf and automake
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$(srcdir)/configure: configure.ac aclocal.m4
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cd $(srcdir) && autoconf
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# autoheader might not change config.h.in, so touch a stamp file.
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$(srcdir)/config.h.in: stamp-h.in ;
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$(srcdir)/stamp-h.in: configure.ac aclocal.m4
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cd $(srcdir) && autoheader
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touch $@
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$(srcdir)/aclocal.m4: $(filter m4/%.m4, $(src))
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cd $(srcdir) && aclocal -I m4
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# config.status might not change config.h; use the stamp file.
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config.h: stamp-h ;
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stamp-h: config.h.in config.status
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./config.status config.h stamp-h
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GNUmakefile: GNUmakefile.in config.status
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./config.status $@
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config.status: configure
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./config.status --recheck
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src/lib/global/path.c src/client/ipglob.c: %: %.in GNUmakefile Make.mk
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$(call quiet-command,$(subst.in) <$< >$@,GEN $@)
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# Make files for standalone client distribution
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$(srcdir)/src/client/configure: src/client/configure.ac src/client/aclocal.m4
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cd $(dir $@) && autoconf
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$(srcdir)/src/client/config.h.in: src/client/configure.ac src/client/aclocal.m4
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cd $(dir $@) && autoheader
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touch $@
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$(srcdir)/src/client/aclocal.m4: m4/ax_lib_socket_nsl.m4 m4/my_terminfo.m4 m4/my_windows_api.m4
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cat $^ >$@
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