2 # Empire - A multi-player, client/server Internet based war game.
3 # Copyright (C) 1986-2015, Dave Pare, Jeff Bailey, Thomas Ruschak,
4 # Ken Stevens, Steve McClure, Markus Armbruster
6 # Empire 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 3 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, see <http://www.gnu.org/licenses/>.
21 # See files README, COPYING and CREDITS in the root of the source
22 # tree for related information and legal notices. It is expected
23 # that future projects/authors will amend these files as needed.
27 # Make.mk: The real Makefile, included by GNUmakefile
29 # Known contributors to this file:
30 # Markus Armbruster, 2005-2015
33 # This makefile was inspired by `Recursive Make Considered Harmful',
35 # http://miller.emu.id.au/pmiller/books/rmch/
37 # Recursively expanded variables are occasionally useful, but can be
38 # slow and tricky. Do not use them gratuitously. If you don't
39 # understand this, always use `:=' rather than `='.
44 # Delete target on error. Every Makefile should have this.
49 src := $(shell cd $(srcdir) && git ls-files | uniq)
51 include $(srcdir)/sources.mk
53 dirs := $(sort $(dir $(src)))
54 csrc := $(filter %.c, $(src))
55 tsrc := $(filter %.t, $(src))
56 man6 := $(filter man/%.6, $(src))
57 builtins := $(filter src/lib/global/%.config, $(src))
60 include $(srcdir)/info/subjects.mk
63 topics := $(patsubst %.t,%,$(notdir $(tsrc)))
64 info := $(topics) $(subjects) all TOP
65 scripts := $(srcdir)/src/scripts
66 depcomp := $(SHELL) $(srcdir)/depcomp
67 tarball := $(SHELL) -e $(scripts)/tarball
68 econfig := $(sysconfdir)/empire/econfig
69 schedule := $(sysconfdir)/empire/schedule
70 gamedir := $(localstatedir)/empire
71 edatadir := $(datadir)/empire
72 builtindir := $(edatadir)/builtin
73 einfodir := $(edatadir)/info.nr
74 ehtmldir := $(edatadir)/info.html
75 client/w32 := arpa/inet.h netdb.h netinet/in.h sys/time.h sys/socket.h \
76 sys/uio.h unistd.h w32io.c w32sockets.c w32types.h
78 # Abbreviate make output
79 # Run make with a V=1 parameter for full output.
80 ifneq ($(origin V),command line)
83 # $(call quiet-command COMMAND,ABBREV) runs COMMAND, but prints only ABBREV.
84 # Recursively expanded so that variables in COMMAND and ABBREV work.
85 ifneq ($V$(findstring s,$(MAKEFLAGS)),)
88 quiet-command = @echo $2 && $1
91 # How to substitute Autoconf output variables
92 # Recursively expanded so that $@ and $< work.
94 -e 's?@configure_input\@?$(notdir $@): Generated from $(notdir $<) by make.?g' \
95 -e 's?@builtindir\@?$(builtindir)?g' \
96 -e 's?@econfig\@?$(econfig)?g' \
97 -e 's?@einfodir\@?$(einfodir)?g' \
98 -e 's?@gamedir\@?$(gamedir)?g' \
99 -e 's/@EMPIREHOST\@/$(EMPIREHOST)/g' \
100 -e 's/@EMPIREPORT\@/$(EMPIREPORT)/g'
103 # See `Cleanliness' below
105 ifeq ($(revctrl),git)
106 mk += $(srcdir)/sources.mk
108 # Generated by Autoconf, not distributed:
109 ac := config.h config.log config.status info.html info.nr lib stamp-h
110 ac += $(basename $(filter %.in, $(src)))
111 ac += $(srcdir)/autom4te.cache $(srcdir)/src/client/autom4te.cache
112 # distributed by dist-source from $(srcdir):
113 acdist := aclocal.m4 config.h.in configure stamp-h.in
114 # distributed by dist-client from $(srcdir):
115 acdistcli := $(addprefix src/client/, aclocal.m4 config.h.in configure)
117 obj := $(csrc:.c=.o) $(filter %.o, $(ac:.c=.o))
121 libs := $(addprefix lib/, libcommon.a libgen.a libglobal.a)
123 util := $(addprefix src/util/, $(addsuffix $(EXEEXT), empdump empsched fairland files pconfig))
124 client := src/client/empire$(EXEEXT)
125 server := src/server/emp_server$(EXEEXT)
127 tsubj := $(addprefix info/, $(addsuffix .t, $(subjects)))
130 info.nr := $(addprefix info.nr/, $(info))
131 info.html := $(addprefix info.html/, $(addsuffix .html, $(info)))
132 info.all := $(info.nr) $(info.html) info.ps info/stamp-subj
136 # Conditionally generated files:
137 empth_obj := src/lib/empthread/io.o
139 ifeq ($(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) sandbox
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 $(client): LDLIBS := $(LIBS_client)
173 $(server): LDLIBS := $(LIBS_server)
179 all: $(util) $(client) $(server) info
187 $(call quiet-command,rm -rf $(clean),CLEAN)
191 $(call quiet-command,rm -rf $(distclean) $(cli_distgen),DISTCLEAN)
194 install: all installdirs
195 $(INSTALL_PROGRAM) $(util) $(server) $(sbindir)
196 $(INSTALL_PROGRAM) $(client) $(bindir)
197 $(INSTALL) -m 444 $(addprefix $(srcdir)/, $(builtins)) $(builtindir)
199 $(INSTALL_DATA) $(info.nr) $(einfodir)
200 $(INSTALL_DATA) $(addprefix $(srcdir)/, $(man6)) $(mandir)/man6
201 sed -e '1,/^$$/d' -e 's/^/# /g' <$(srcdir)/doc/schedule >$(schedule).dist
202 echo >>$(schedule).dist
203 echo 'every 10 minutes' >>$(schedule).dist
204 [ -e $(schedule) ] || mv $(schedule).dist $(schedule)
205 if [ -e $(econfig) ]; then \
206 echo "Attempting to update your econfig"; \
207 if src/util/pconfig $(econfig) >$(econfig).dist; then \
208 if cmp -s $(econfig) $(econfig).dist; then \
209 echo "$(econfig) unchanged"; \
210 rm $(econfig).dist; \
213 echo "Your $(econfig) doesn't work"; \
214 src/util/pconfig >$(econfig).dist; \
216 if [ -e $(econfig).dist ]; then \
217 echo "Check out $(econfig).dist"; \
220 src/util/pconfig >$(econfig); \
225 mkdir -p $(sbindir) $(bindir) $(builtindir) $(einfodir) $(mandir)/man6 $(dir $(econfig)) $(gamedir)
231 $(INSTALL_DATA) $(info.html) $(ehtmldir)
235 rm -f $(addprefix $(sbindir)/, $(notdir $(util) $(server)))
236 rm -f $(addprefix $(bindir)/, $(notdir $(client)))
237 rm -rf $(builtindir) $(einfodir) $(ehtmldir)
239 rm -f $(addprefix $(mandir)/man6/, $(notdir $(man6)))
240 @echo "$(dir $(econfig)) and $(gamedir) not removed, you may wish to remove it manually."
243 dist: dist-source dist-client dist-info
245 .PHONY: check check-accept _check
246 check check-accept: _check
247 check: export EMPIRE_CHECK_ACCEPT :=
248 check-accept: export EMPIRE_CHECK_ACCEPT := y
250 @echo "Warning: test suite is immature and needs work." >&2
251 $(srcdir)/tests/files-test $(srcdir)
252 $(srcdir)/tests/fairland-test $(srcdir)
253 $(srcdir)/tests/info-test $(srcdir)
254 ifeq ($(empthread),LWP)
255 $(srcdir)/tests/smoke-test $(srcdir)
256 $(srcdir)/tests/actofgod-test $(srcdir)
257 $(srcdir)/tests/build-test $(srcdir)
258 $(srcdir)/tests/navi-march-test $(srcdir)
259 $(srcdir)/tests/fire-test $(srcdir)
260 $(srcdir)/tests/torpedo-test $(srcdir)
261 $(srcdir)/tests/bridgefall-test $(srcdir)
262 $(srcdir)/tests/retreat-test $(srcdir)
264 @echo "$(srcdir)/tests/smoke-test SKIPPED"
265 @echo "$(srcdir)/tests/actofgod-test SKIPPED"
266 @echo "$(srcdir)/tests/build-test SKIPPED"
267 @echo "$(srcdir)/tests/navi-march-test SKIPPED"
268 @echo "$(srcdir)/tests/fire-test SKIPPED"
269 @echo "$(srcdir)/tests/torpedo-test SKIPPED"
270 @echo "$(srcdir)/tests/bridgefall-test SKIPPED"
271 @echo "$(srcdir)/tests/retreat-test SKIPPED"
273 $(srcdir)/tests/empdump-test $(srcdir)
278 # Compile with dependencies as side effect, i.e. create %.d in
280 ifeq ($(how_to_dep),fast)
282 $(call quiet-command,$(COMPILE.c) -MT $@ -MMD -MP -MF $(@:.o=.d) \
283 $(OUTPUT_OPTION) $< || { rm -f $(@:.o=.d) $@; false; },CC $@)
284 # Why the rm? If gcc's preprocessor chokes, it leaves an empty
285 # dependency file behind, and doesn't touch the object file. If an
286 # old object file exists, and is newer than the .c file, make will
287 # then consider the object file up-to-date.
289 ifeq ($(how_to_dep),depcomp)
291 $(call quiet-command,source='$<' object='$@' depfile='$(@:.o=.d)' \
292 $(CCDEPMODE) $(depcomp) $(COMPILE.c) $(OUTPUT_OPTION) $<,CC $@)
294 # Cancel the rule to compile %.c straight to %, it interferes with
295 # automatic dependency generation
299 $(call quiet-command,$(LINK.o) $^ $(LOADLIBES) $(LDLIBS) -o $@,LINK $@)
303 $(call quiet-command,$(NROFF) $(filter %.MAC, $^) $< | $(AWK) -f $(filter %/Blank.awk, $^) >$@ && test -s $@,NROFF $@)
304 # Pipes in make are a pain. The "test -s" catches obvious errors.
306 info.html/%.html: info/%.t
307 $(call quiet-command,perl $(srcdir)/info/emp2html.pl $(info) <$< >$@,GEN $@)
314 $(server): $(filter src/server/% src/lib/commands/% src/lib/player/% src/lib/subs/% src/lib/update/%, $(obj)) $(empth_obj) $(empth_lib) $(libs)
315 $(call quiet-command,$(LINK.o) $^ $(LOADLIBES) $(LDLIBS) -o $@,LINK $@)
317 $(client): $(filter src/client/%, $(obj)) src/lib/global/version.o
318 $(call quiet-command,$(LINK.o) $^ $(LOADLIBES) $(LDLIBS) -o $@,LINK $@)
322 lib/libcommon.a: $(filter src/lib/common/%, $(obj))
323 lib/libgen.a: $(filter src/lib/gen/%, $(obj))
324 lib/libglobal.a: $(filter src/lib/global/%, $(obj))
325 lib/liblwp.a: $(filter src/lib/lwp/%, $(obj))
326 lib/libw32.a: $(filter src/lib/w32/%, $(obj))
328 $(libs) $(empth_lib):
329 $(call quiet-command,$(AR) rc $@ $?,AR $@)
334 # mksubj.pl reads $(tsrc) and writes $(tsubj). A naive rule
337 # runs COMMAND once for each target. That's because multiple targets
338 # in an explicit rule is just a shorthand for one rule per target,
339 # each with the same prerequisites and commands. Use a stamp file.
340 $(tsubj) info/toc: info/stamp-subj ;
341 info/stamp-subj: info/mksubj.pl $(tsrc)
342 $(call quiet-command,perl $(srcdir)/info/mksubj.pl $(subjects) $(filter %.t, $^),GEN '$(tsubj) info/toc')
345 $(ttop): info/mktop.pl info/subjects.mk
346 $(call quiet-command,perl $(srcdir)/info/mktop.pl $@ $(subjects),GEN $@)
348 info.nr/all: $(filter-out info.nr/all, $(info.nr))
350 (cd info.nr && LC_ALL=C ls -C $(info)) >>$@
352 info.html/all.html: info.nr/all info/ls2html.pl
353 expand $< | perl $(srcdir)/info/ls2html.pl >$@
355 $(info.nr): info/CRT.MAC info/INFO.MAC info/Blank.awk
357 $(info.html): info/emp2html.pl
359 info.ps: info/TROFF.MAC info/INFO.MAC $(ttop) $(tsubj) $(tsrc)
365 dist-source: $(src_distgen)
366 ifeq ($(revctrl),git)
367 echo "src := $(src)" >$(srcdir)/sources.mk
369 $(tarball) $(TARNAME)-$(VERSION) -C $(srcdir) $(src_distgen) $(src) sources.mk
372 dist-client: $(cli_distgen)
373 $(tarball) $(TARNAME)-client-$(VERSION) \
374 -C $(srcdir)/src/client \
375 $(notdir $(filter src/client/%, $(src)) $(cli_distgen)) \
376 -C $(srcdir)/include proto.h version.h \
377 -C $(srcdir)/src/lib/global version.c \
378 -C $(srcdir)/src/lib $(addprefix w32/, $(client/w32)) \
379 -C $(srcdir)/man empire.6 \
380 -C $(srcdir)/build-aux install-sh \
381 -C $(srcdir) COPYING INSTALL
385 $(tarball) $(TARNAME)-info-text-$(VERSION) -C info.nr $(info)
386 $(tarball) $(TARNAME)-info-html-$(VERSION) -C info.html $(addsuffix .html, $(info))
395 # Automatic remake of configuration
396 # See (autoconf)Automatic Remaking.
397 # This requires sufficiently recent versions of autoconf and automake
399 $(srcdir)/configure: configure.ac aclocal.m4
400 cd $(srcdir) && autoconf
402 # autoheader might not change config.h.in, so touch a stamp file.
403 $(srcdir)/config.h.in: stamp-h.in ;
404 $(srcdir)/stamp-h.in: configure.ac aclocal.m4
405 cd $(srcdir) && autoheader
408 $(srcdir)/aclocal.m4: $(filter m4/%.m4, $(src))
409 cd $(srcdir) && aclocal -I m4
411 # config.status might not change config.h; use the stamp file.
413 stamp-h: config.h.in config.status
414 ./config.status config.h stamp-h
416 GNUmakefile: GNUmakefile.in config.status
419 config.status: configure
420 ./config.status --recheck
422 src/lib/global/path.c src/client/ipglob.c: %: %.in GNUmakefile Make.mk
423 $(call quiet-command,$(subst.in) <$< >$@,GEN $@)
426 # Make files for standalone client distribution
428 $(srcdir)/src/client/configure: src/client/configure.ac src/client/aclocal.m4
429 cd $(dir $@) && autoconf
431 $(srcdir)/src/client/config.h.in: src/client/configure.ac src/client/aclocal.m4
432 cd $(dir $@) && autoheader
435 $(srcdir)/src/client/aclocal.m4: m4/ax_lib_socket_nsl.m4 m4/my_lib_readline.m4 m4/my_terminfo.m4 m4/my_windows_api.m4