2 # Empire - A multi-player, client/server Internet based war game.
3 # Copyright (C) 1986-2010, Dave Pare, Jeff Bailey, Thomas Ruschak,
4 # Ken Stevens, Steve McClure
6 # This program is free software; you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation; either version 2 of the License, or
9 # (at your option) any later version.
11 # This program is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with this program; if not, write to the Free Software
18 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 # See files README, COPYING and CREDITS in the root of the source
23 # tree for related information and legal notices. It is expected
24 # that future projects/authors will amend these files as needed.
28 # Make.mk: The real Makefile, included by GNUmakefile
30 # Known contributors to this file:
31 # Markus Armbruster, 2005-2009
34 # This makefile was inspired by `Recursive Make Considered Harmful',
36 # http://miller.emu.id.au/pmiller/books/rmch/
38 # Recursively expanded variables are occasionally useful, but can be
39 # slow and tricky. Do not use them gratuitously. If you don't
40 # understand this, always use `:=' rather than `='.
45 # Delete target on error. Every Makefile should have this.
50 src := $(shell cd $(srcdir) && git ls-files)
52 include $(srcdir)/sources.mk
54 dirs := $(sort $(dir $(src)))
55 csrc := $(filter %.c, $(src))
56 tsrc := $(filter %.t, $(src))
57 man6 := $(filter man/%.6, $(src))
58 builtins := $(filter src/lib/global/%.config, $(src))
60 # Info subjects (automatically generated)
64 topics := $(patsubst %.t,%,$(notdir $(tsrc)))
65 info := $(topics) $(subjects) all TOP
66 subjects.html := $(addprefix info.html/, $(addsuffix .html, $(subjects)))
67 topics.html := $(addprefix info.html/, $(addsuffix .html, $(topics)))
68 scripts := $(srcdir)/src/scripts
69 depcomp := $(SHELL) $(srcdir)/depcomp
70 tarball := $(SHELL) -e $(scripts)/tarball
71 econfig := $(sysconfdir)/empire/econfig
72 schedule := $(sysconfdir)/empire/schedule
73 gamedir := $(localstatedir)/empire
74 builtindir := $(datadir)/empire/builtin
75 einfodir := $(datadir)/empire/info.nr
76 ehtmldir := $(datadir)/empire/info.html
77 client/w32 := arpa/inet.h netdb.h netinet/in.h sys/time.h sys/socket.h \
78 sys/uio.h unistd.h w32io.c w32sockets.c w32types.h
80 # Abbreviate make output
81 # Run make with a V=1 parameter for full output.
82 ifneq ($(origin V),command line)
85 # $(call quiet-command COMMAND,ABBREV) runs COMMAND, but prints only ABBREV.
86 # Recursively expanded so that variables in COMMAND and ABBREV work.
87 ifneq ($V$(findstring s,$(MAKEFLAGS)),)
90 quiet-command = @echo $2 && $1
93 # How to substitute Autoconf output variables
94 # Recursively expanded so that $@ and $< work.
96 -e 's?@configure_input\@?$(notdir $@): Generated from $(notdir $<) by make.?g' \
97 -e 's?@builtindir\@?$(builtindir)?g' \
98 -e 's?@econfig\@?$(econfig)?g' \
99 -e 's?@einfodir\@?$(einfodir)?g' \
100 -e 's?@gamedir\@?$(gamedir)?g' \
101 -e 's/@EMPIREHOST\@/$(EMPIREHOST)/g' \
102 -e 's/@EMPIREPORT\@/$(EMPIREPORT)/g'
105 # See `Cleanliness' below
107 ifeq ($(revctrl),git)
108 mk += $(srcdir)/sources.mk
110 # Generated by Autoconf, not distributed:
111 ac := config.h config.log config.status info.html info.nr lib stamp-h
112 ac += $(basename $(filter %.in, $(src)))
113 ac += $(srcdir)/autom4te.cache $(srcdir)/src/client/autom4te.cache
114 # distributed by dist-source from $(srcdir):
115 acdist := aclocal.m4 config.h.in configure stamp-h.in
116 # distributed by dist-client from $(srcdir):
117 acdistcli := $(addprefix src/client/, aclocal.m4 config.h.in configure)
119 obj := $(csrc:.c=.o) $(filter %.o, $(ac:.c=.o))
123 libs := $(addprefix lib/, libcommon.a libas.a libgen.a libglobal.a)
125 util := $(addprefix src/util/, $(addsuffix $(EXEEXT), empdump empsched fairland files pconfig))
126 client := src/client/empire$(EXEEXT)
127 server := src/server/emp_server$(EXEEXT)
129 tsubj := $(addprefix info/, $(addsuffix .t, $(subjects)))
132 info.nr := $(addprefix info.nr/, $(info))
133 info.html := $(addprefix info.html/, $(addsuffix .html, $(info)))
134 info.all := $(info.nr) $(info.html) info.ps
136 # Conditionally generated files:
137 empth_obj := src/lib/empthread/io.o
139 ifeq ($(empthread),LWP)
140 empth_obj += src/lib/empthread/lwp.o src/lib/empthread/posix.o
141 empth_lib += lib/liblwp.a
143 ifeq ($(empthread),POSIX)
144 empth_obj += src/lib/empthread/pthread.o src/lib/empthread/posix.o
146 ifeq ($(empthread),Windows)
147 empth_obj += src/lib/empthread/ntthread.o
150 ifeq ($(empthread),Windows) # really: W32, regardless of thread package
152 $(client): lib/libw32.a
156 # Each generated file should be in one of the following sets.
158 clean := $(obj) $(deps) $(libs) $(util) $(client) $(server) $(tsubj) \
159 $(ttop) $(info.all) $(empth_obj) $(empth_lib)
160 # Removed by distclean:
161 distclean := $(ac) $(mk)
162 # Distributed by dist-source from $(srcdir):
163 src_distgen := $(acdist)
164 # Distributed by dist-client from $(srcdir)/src/client; removed by distclean:
165 cli_distgen := $(acdistcli)
168 CPPFLAGS += -I$(srcdir)/include -I.
169 ifeq ($(empthread),Windows) # really: W32, regardless of thread package
170 CPPFLAGS += -I$(srcdir)/src/lib/w32
172 ifeq ($(have_gcc),yes)
173 CFLAGS += -fno-builtin-carg # conflicts with our carg()
174 CFLAGS += -fno-common
175 CFLAGS += -Wall -W -Wno-unused-parameter -Wpointer-arith \
176 -Wstrict-prototypes -Wmissing-prototypes -Wnested-externs \
179 $(client): LDLIBS := $(LIBS_client)
180 $(server): LDLIBS := $(LIBS_server)
185 all: $(util) $(client) $(server) info
193 $(call quiet-command,rm -f $(clean),CLEAN)
197 $(call quiet-command,rm -rf $(distclean) $(cli_distgen),DISTCLEAN)
200 install: all installdirs
201 $(INSTALL_PROGRAM) $(util) $(server) $(sbindir)
202 $(INSTALL_PROGRAM) $(client) $(bindir)
203 $(INSTALL) -m 444 $(addprefix $(srcdir)/, $(builtins)) $(builtindir)
204 $(INSTALL_DATA) $(info.nr) $(einfodir)
205 $(INSTALL_DATA) $(addprefix $(srcdir)/, $(man6)) $(mandir)/man6
206 sed -e '1,/^$$/d' -e 's/^/# /g' <$(srcdir)/doc/schedule >$(schedule).dist
207 echo >>$(schedule).dist
208 echo 'every 10 minutes' >>$(schedule).dist
209 [ -e $(schedule) ] || mv $(schedule).dist $(schedule)
210 if [ -e $(econfig) ]; then \
211 echo "Attempting to update your econfig"; \
212 if src/util/pconfig $(econfig) >$(econfig).dist; then \
213 if cmp -s $(econfig) $(econfig).dist; then \
214 echo "$(econfig) unchanged"; \
215 rm $(econfig).dist; \
218 echo "Your $(econfig) doesn't work"; \
219 src/util/pconfig >$(econfig).dist; \
221 if [ -e $(econfig).dist ]; then \
222 echo "Check out $(econfig).dist"; \
225 src/util/pconfig >$(econfig); \
230 mkdir -p $(sbindir) $(bindir) $(builtindir) $(einfodir) $(mandir)/man6 $(dir $(econfig)) $(gamedir)
235 $(INSTALL_DATA) $(info.html) $(ehtmldir)
239 rm -f $(addprefix $(sbindir)/, $(notdir $(util) $(server)))
240 rm -f $(addprefix $(bindir)/, $(notdir $(client)))
241 rm -rf $(builtindir) $(einfodir)
242 rm -f $(addprefix $(mandir)/man6/, $(notdir $(man6)))
243 @echo "$(dir $(econfig)) and $(gamedir) not removed, you may wish to remove it manually."
246 dist: dist-source dist-client dist-info
251 # Compile with dependencies as side effect, i.e. create %.d in
253 ifeq ($(how_to_dep),fast)
255 $(call quiet-command,$(COMPILE.c) -MT $@ -MMD -MP -MF $(@:.o=.d) \
256 $(OUTPUT_OPTION) $< || { rm -f $(@:.o=.d) $@; false; },CC $@)
257 # Why the rm? If gcc's preprocessor chokes, it leaves an empty
258 # dependency file behind, and doesn't touch the object file. If an
259 # old object file exists, and is newer than the .c file, make will
260 # then consider the object file up-to-date.
262 ifeq ($(how_to_dep),depcomp)
264 $(call quiet-command,source='$<' object='$@' depfile='$(@:.o=.d)' \
265 $(CCDEPMODE) $(depcomp) $(COMPILE.c) $(OUTPUT_OPTION) $<,CC $@)
267 # Cancel the rule to compile %.c straight to %, it interferes with
268 # automatic dependency generation
272 $(call quiet-command,$(LINK.o) $^ $(LOADLIBES) $(LDLIBS) -o $@,LINK $@)
276 $(call quiet-command,$(NROFF) $(filter %.MAC, $^) $< | $(AWK) -f $(filter %/Blank.awk, $^) >$@ && test -s $@,NROFF $@)
277 # Pipes in make are a pain. The "test -s" catches obvious errors.
279 info.html/%.html: info/%.t
280 perl $(filter %.pl, $^) $< >$@
287 $(server): $(filter src/server/% src/lib/commands/% src/lib/player/% src/lib/subs/% src/lib/update/%, $(obj)) $(empth_obj) $(empth_lib) $(libs)
288 $(call quiet-command,$(LINK.o) $^ $(LOADLIBES) $(LDLIBS) -o $@,LINK $@)
290 $(client): $(filter src/client/%, $(obj)) src/lib/global/version.o
291 $(call quiet-command,$(LINK.o) $^ $(LOADLIBES) $(LDLIBS) -o $@,LINK $@)
295 lib/libas.a: $(filter src/lib/as/%, $(obj))
296 lib/libcommon.a: $(filter src/lib/common/%, $(obj))
297 lib/libgen.a: $(filter src/lib/gen/%, $(obj))
298 lib/libglobal.a: $(filter src/lib/global/%, $(obj))
299 lib/liblwp.a: $(filter src/lib/lwp/%, $(obj))
300 lib/libw32.a: $(filter src/lib/w32/%, $(obj))
302 $(libs) $(empth_lib):
303 $(call quiet-command,$(AR) rc $@ $?,AR $@)
308 # FIXME Remaking subjects doesn't work correctly when info sources get
309 # removed or subjects get dropped.
311 subjects.mk: info/findsubj.pl $(tsrc)
312 perl $(srcdir)/info/findsubj.pl $(filter %.t, $^)
314 $(tsubj): info/mksubj.pl
315 perl $(srcdir)/info/mksubj.pl $@ $(filter %.t, $^)
318 perl $(srcdir)/info/mktop.pl $@ $(filter %.t, $^)
320 info.nr/all: $(filter-out info.nr/all, $(info.nr))
322 (cd info.nr && LC_ALL=C ls -C $(info)) >>$@
324 info.html/all.html: info.nr/all info/ls2html.pl
325 expand $< | perl $(srcdir)/info/ls2html.pl >$@
327 $(info.nr): info/CRT.MAC info/INFO.MAC info/Blank.awk
329 $(subjects.html) info.html/TOP.html: info/subj2html.pl
330 $(topics.html): info/emp2html.pl
332 info.ps: info/TROFF.MAC info/INFO.MAC $(ttop) $(tsubj) $(tsrc)
338 dist-source: $(src_distgen)
339 ifeq ($(revctrl),git)
340 echo "src := $(src)" >$(srcdir)/sources.mk
342 $(tarball) $(TARNAME)-$(VERSION) -C $(srcdir) $(src_distgen) $(src) sources.mk
345 dist-client: $(cli_distgen)
346 $(tarball) $(TARNAME)-client-$(VERSION) \
347 -C $(srcdir)/src/client \
348 $(notdir $(filter src/client/%, $(src)) $(cli_distgen)) \
349 -C $(srcdir)/include proto.h version.h \
350 -C $(srcdir)/src/lib/global version.c \
351 -C $(srcdir)/src/lib $(addprefix w32/, $(client/w32)) \
352 -C $(srcdir)/man empire.6 \
353 -C $(srcdir) COPYING INSTALL install-sh
357 $(tarball) $(TARNAME)-info-text-$(VERSION) -C info.nr $(info)
358 $(tarball) $(TARNAME)-info-html-$(VERSION) -C info.html $(addsuffix .html, $(info))
365 # Automatic remake of configuration
366 # See (autoconf)Automatic Remaking.
367 # This requires sufficiently recent versions of autoconf and automake
369 $(srcdir)/configure: configure.ac aclocal.m4
370 cd $(srcdir) && autoconf
372 # autoheader might not change config.h.in, so touch a stamp file.
373 $(srcdir)/config.h.in: stamp-h.in
374 $(srcdir)/stamp-h.in: configure.ac aclocal.m4
375 cd $(srcdir) && autoheader
378 $(srcdir)/aclocal.m4: $(filter m4/%.m4, $(src))
379 cd $(srcdir) && aclocal -I m4
381 # config.status might not change config.h; use the stamp file.
383 stamp-h: config.h.in config.status
384 ./config.status config.h stamp-h
386 GNUmakefile: GNUmakefile.in config.status
389 config.status: configure
390 ./config.status --recheck
392 src/lib/global/path.c src/client/ipglob.c: %: %.in GNUmakefile Make.mk
393 $(call quiet-command,$(subst.in) <$< >$@,GEN $@)
396 # Make files for standalone client distribution
398 $(srcdir)/src/client/configure: src/client/configure.ac src/client/aclocal.m4
399 cd $(dir $@) && autoconf
401 $(srcdir)/src/client/config.h.in: src/client/configure.ac src/client/aclocal.m4
402 cd $(dir $@) && autoheader
405 $(srcdir)/src/client/aclocal.m4: m4/lib_socket_nsl.m4 m4/my_terminfo.m4 m4/my_windows_api.m4