284 lines
8.6 KiB
Makefile
284 lines
8.6 KiB
Makefile
#
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# Empire - A multi-player, client/server Internet based war game.
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# Copyright (C) 1986-2005, Dave Pare, Jeff Bailey, Thomas Ruschak,
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# Ken Stevens, Steve McClure
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#
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# This program 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 2 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, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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# ---
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#
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# See the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
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# related information and legal notices. It is expected that any future
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# 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:
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#
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# Known contributors to this file:
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# Markus Armbruster, 2005
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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://www.pcug.org.au/~millerp/rmch/recu-make-cons-harm.html
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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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# 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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-include sources.mk
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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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man1 := $(filter man/%.1, $(src))
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man6 := $(filter man/%.6, $(src))
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# Info topics and subjects
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-include subjects.mk
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topics := $(patsubst %.t,%,$(notdir $(tsrc)))
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info := $(topics) $(subjects) all TOP
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# Generated files
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mk := sources.mk subjects.mk
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ac := autom4te.cache config.h config.status config.log stamp-h \
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$(basename $(filter %.in, $(src)))
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obj := $(csrc:.c=.o) $(filter %.o, $(ac:.c=.o))
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# TODO AIX needs lwpInit.o lwpRestore.o lwpSave.o unless UCONTEXT
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deps := $(obj:.o=.d)
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libs := $(addprefix lib/, libcommon.a libgen.a libglobal.a)
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util := $(addprefix src/util/, fairland files pconfig)
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client := src/client/empire
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server := src/server/emp_server
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progs := $(util) $(client) $(server)
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tsubj := $(addprefix info/, $(addsuffix .t, $(subjects)))
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ttop := info/TOP.t
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info.nr := $(addprefix info.nr/, $(info))
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subjects.html := $(addprefix info.html/, $(addsuffix .html, $(subjects)))
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topics.html := $(addprefix info.html/, $(addsuffix .html, $(topics)))
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info.html := $(addprefix info.html/, $(addsuffix .html, $(info)))
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ifeq ($(empthread),POSIX)
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empth_obj := src/lib/empthread/pthread.o
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empth_lib :=
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else
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empth_obj := src/lib/empthread/lwp.o
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empth_lib := lib/liblwp.a
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endif
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# Abbreviations
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scripts = $(srcdir)/src/scripts
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depcomp = $(SHELL) $(top_srcdir)/depcomp
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clean := $(obj) $(deps) $(libs) $(progs) $(empth_lib) $(tsubj) \
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$(info.nr) $(info.html)
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distclean := $(ac) info/stamp $(ttop)
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econfig := $(sysconfdir)/empire/econfig
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edatadir := $(localstatedir)/empire
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einfodir := $(datadir)/empire/info.nr
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ehtmldir := $(datadir)/empire/info.html
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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 $<) by GNUmakefile.?g' \
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-e 's?@econfig\@?$(econfig)?g' \
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-e 's?@edatadir\@?$(edatadir)?g' \
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-e 's?@einfodir\@?$(einfodir)?g' \
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-e 's/@EMPIREHOST\@/$(EMPIREHOST)/g' \
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-e 's/@EMPIREPORT\@/$(EMPIREPORT)/g'
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# Compiler flags
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CPPFLAGS += -I$(srcdir)/include -I.
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ifeq ($(have_gcc),yes)
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CFLAGS += -fno-common
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CFLAGS += -Wall -W -Wno-unused -Wpointer-arith -Wstrict-prototypes \
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-Wmissing-prototypes -Wnested-externs -Wredundant-decls
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endif
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LDLIBS += -lm
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### Advertized goals
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.PHONY: all
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all: $(progs) 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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rm -f $(clean)
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.PHONY: distclean
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distclean: clean
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rm -rf $(distclean)
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.PHONY: install
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install: all installdirs
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$(INSTALL_PROGRAM) $(util) $(server) $(sbindir)
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$(INSTALL_PROGRAM) $(client) $(bindir)
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$(INSTALL_DATA) $(info.nr) $(einfodir)
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$(INSTALL_DATA) $(addprefix $(srcdir)/, $(man1)) $(mandir)/man1
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$(INSTALL_DATA) $(addprefix $(srcdir)/, $(man6)) $(mandir)/man6
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if test -e $(econfig); then \
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if src/util/pconfig $(econfig) >$(econfig).new; then \
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if cmp -s $(econfig) $(econfig).new; then \
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rm $(econfig).new; \
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else \
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echo "Check out $(econfig).new"; \
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fi \
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else \
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echo "Your $(econfig) doesn't work"; \
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fi \
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else \
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src/util/pconfig >$(econfig); \
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fi
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.PHONY: installdirs
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installdirs:
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mkdir -p $(bindir) $(sbindir) $(edatadir) $(einfodir) $(mandir)/man1 $(mandir)/man6 $(dir $(econfig))
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.PHONY: install-html
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install-html: html | $(ehtmldir)
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$(INSTALL_DATA) $(info.html) $(ehtmldir)
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.PHONY: uninstall
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uninstall:
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false # FIXME
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.PHONY: dist
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dist:
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false # FIXME
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### Implicit rules
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# Compile with dependencies as side effect, i.e. create %.d in
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# addition to %.o.
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ifeq ($(how_to_dep),fast)
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%.o: %.c
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$(COMPILE.c) -MT $@ -MMD -MP $(OUTPUT_OPTION) $<
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endif
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ifeq ($(how_to_dep),depcomp)
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%.o: %.c
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source='$<' object='$@' depfile='$(@:.o=.d)' $(CCDEPMODE) $(depcomp) \
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$(COMPILE.c) $(OUTPUT_OPTION) $<
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endif
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# Cancel the rule to compile %.c straight to %, it interferes with
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# automatic dependency generation
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%: %.c
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info.nr/%: info/%.t
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$(NROFF) -I $(srcdir)/info $(filter %/CRT.MAC, $^) $< | $(AWK) -f $(filter %/Blank.awk, $^) >$@
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# FIXME AT&T nroff doesn't grok -I
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info.html/%.html: info/%.t
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perl $(filter %.pl, $^) $< >$@
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### Explicit rules
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$(server): $(filter src/server/% src/lib/as/% src/lib/commands/% src/lib/player/% src/lib/subs/% src/lib/update/%, $(obj)) $(empth_obj) $(libs) $(empth_lib)
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$(LINK.o) $^ $(LOADLIBES) $(LDLIBS) -o $@
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$(client): $(filter src/client/%, $(obj)) $(termlibs)
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$(LINK.o) $^ $(LOADLIBES) $(LDLIBS) -o $@
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$(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/%, $(obj))
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$(libs) $(empth_lib): | lib
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$(AR) rc $@ $?
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$(RANLIB) $@
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# info.pl reads $(tsrc) and writes subjects.mk $(ttop) $(tsubj). The
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# naive rule
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# subjects.mk $(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. A pattern rule with
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# multiple targets does what we want. So we artificially turn the
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# explicit rule into a pattern rule: we replace info with %, and
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# insert a touch target info/stamp.
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# FIXME if sources.mk is out-of-date, $(tsubj) is, and the bogus deps can prevent remaking of subjects.mk and thus sources.mk
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$(patsubst info/%, \%/%, $(ttop) $(tsubj)): %/stamp
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perl $(srcdir)/info/info.pl
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info/stamp: $(tsrc) info/info.pl sources.mk
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>$@
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subjects.mk: $(ttop)
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:
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info.nr/all: $(filter-out info.nr/all, $(info.nr))
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(cd info.nr && ls -CF) >$@
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# FIXME should use $^ and not ls
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info.html/all.html: $(filter-out info.html/all.html, $(info.html)) info/ls2html.pl
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(cd info.html && ls -CF *.html) | expand | perl $(filter %.pl, $^) >$@
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# FIXME should use $^ and not ls
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$(info.nr): info/CRT.MAC info/INFO.MAC info/Blank.awk | info.nr
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$(subjects.html): info/subj2html.pl | info.html
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$(topics.html): info/emp2html.pl | info.html
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info.nr info.html lib:
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mkdir -p $@
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ifeq ($(cvs_controlled),yes)
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# Find files and directories under CVS control
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sources.mk: $(scripts)/cvsfiles.awk $(addprefix $(srcdir)/, $(addsuffix CVS/Entries, $(dirs)))
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echo 'src := ' `cd $(srcdir) && $(AWK) -f src/scripts/cvsfiles.awk` >$@
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endif
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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 $(srcdir) && autoheader
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>$@
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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 $@
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config.status: configure
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./config.status --recheck
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src/lib/global/path.c src/client/ipglob.c: %: %.in GNUmakefile
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$(subst.in) <$< >$@
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