2 # Empire - A multi-player, client/server Internet based war game.
3 # Copyright (C) 1986-2017, 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, 2005-2017
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)
50 version := $(shell cd $(srcdir) && build-aux/git-version-gen /dev/null)
52 include $(srcdir)/sources.mk
53 version := $(shell cat $(srcdir)/.tarball-version || echo "UNKNOWN")
55 ifeq ($(version),UNKNOWN)
56 $(error cannot figure out version)
58 dirs := $(sort $(dir $(src)))
59 csrc := $(filter %.c, $(src))
60 tsrc := $(filter %.t, $(src))
61 man6 := $(filter man/%.6, $(src))
62 builtins := $(filter src/lib/global/%.config, $(src))
65 include $(srcdir)/info/subjects.mk
68 topics := $(patsubst %.t,%,$(notdir $(tsrc)))
69 info := $(topics) $(subjects) all TOP
70 scripts := $(srcdir)/src/scripts
71 depcomp := $(SHELL) $(srcdir)/depcomp
72 tarball := $(SHELL) -e $(scripts)/tarball
73 econfig := $(sysconfdir)/empire/econfig
74 schedule := $(sysconfdir)/empire/schedule
75 gamedir := $(localstatedir)/empire
76 edatadir := $(datadir)/empire
77 builtindir := $(edatadir)/builtin
78 einfodir := $(edatadir)/info.nr
79 ehtmldir := $(edatadir)/info.html
80 client/w32 := arpa/inet.h netdb.h netinet/in.h sys/time.h sys/socket.h \
81 sys/uio.h unistd.h w32io.c w32sockets.c w32types.h
83 # Abbreviate make output
84 # Run make with a V=1 parameter for full output.
85 ifneq ($(origin V),command line)
88 # $(call quiet-command COMMAND,ABBREV) runs COMMAND, but prints only ABBREV.
89 # Recursively expanded so that variables in COMMAND and ABBREV work.
90 ifneq ($V$(findstring s,$(MAKEFLAGS)),)
93 quiet-command = @echo $2 && $1
96 # How to substitute Autoconf output variables
97 # Recursively expanded so that $@ and $< work.
99 -e 's?@configure_input\@?$(notdir $@): Generated from $(notdir $<) by make.?g' \
100 -e 's?@builtindir\@?$(builtindir)?g' \
101 -e 's?@econfig\@?$(econfig)?g' \
102 -e 's?@einfodir\@?$(einfodir)?g' \
103 -e 's?@gamedir\@?$(gamedir)?g' \
104 -e 's/@EMPIREHOST\@/$(EMPIREHOST)/g' \
105 -e 's/@EMPIREPORT\@/$(EMPIREPORT)/g'
108 # See `Cleanliness' below
109 # Generated makefiles, distributed by dist-source from $(srcdir):
111 # Generated by Autoconf, not distributed:
112 ac := config.h config.log config.status info.html info.nr lib stamp-h
113 ac += $(basename $(filter %.in, $(src)))
114 ac += $(srcdir)/autom4te.cache $(srcdir)/src/client/autom4te.cache
115 # distributed by dist-source from $(srcdir):
116 acdist := aclocal.m4 config.h.in configure stamp-h.in
118 obj := $(csrc:.c=.o) $(filter %.o, $(ac:.c=.o))
122 libs := $(addprefix lib/, libcommon.a libgen.a libglobal.a)
124 util := $(addprefix src/util/, $(addsuffix $(EXEEXT), empdump empsched fairland files pconfig))
125 client := src/client/empire$(EXEEXT)
126 server := src/server/emp_server$(EXEEXT)
128 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 info/toc info/TOP.t $(info.all) $(empth_obj) $(empth_lib) sandbox
160 # Removed by distclean:
162 ifeq ($(revctrl),git)
163 distclean += $(addprefix $(srcdir)/, $(mk))
165 # Distributed by dist-source from $(srcdir):
166 src_distgen := $(acdist) $(mk)
169 CPPFLAGS += -I$(srcdir)/include -I.
170 ifeq ($(empthread),Windows) # really: W32, regardless of thread package
171 CPPFLAGS += -I$(srcdir)/src/lib/w32
173 $(client): LDLIBS := $(LIBS_client)
174 $(server): LDLIBS := $(LIBS_server)
180 all: $(util) $(client) $(server) info
188 $(call quiet-command,rm -rf $(clean),CLEAN)
192 $(call quiet-command,rm -rf $(distclean),DISTCLEAN)
195 install: all installdirs
196 $(INSTALL_PROGRAM) $(util) $(server) $(sbindir)
197 $(INSTALL_PROGRAM) $(client) $(bindir)
198 $(INSTALL) -m 444 $(addprefix $(srcdir)/, $(builtins)) $(builtindir)
200 $(INSTALL_DATA) $(info.nr) $(einfodir)
201 $(INSTALL_DATA) $(addprefix $(srcdir)/, $(man6)) $(mandir)/man6
202 sed -e '1,/^$$/d' -e 's/^/# /g' <$(srcdir)/doc/schedule >$(schedule).dist
203 echo >>$(schedule).dist
204 echo 'every 10 minutes' >>$(schedule).dist
205 [ -e $(schedule) ] || mv $(schedule).dist $(schedule)
206 if [ -e $(econfig) ]; then \
207 echo "Attempting to update your econfig"; \
208 if src/util/pconfig $(econfig) >$(econfig).dist; then \
209 if cmp -s $(econfig) $(econfig).dist; then \
210 echo "$(econfig) unchanged"; \
211 rm $(econfig).dist; \
214 echo "Your $(econfig) doesn't work"; \
215 src/util/pconfig >$(econfig).dist; \
217 if [ -e $(econfig).dist ]; then \
218 echo "Check out $(econfig).dist"; \
221 src/util/pconfig >$(econfig); \
226 mkdir -p $(sbindir) $(bindir) $(builtindir) $(einfodir) $(mandir)/man6 $(dir $(econfig)) $(gamedir)
232 $(INSTALL_DATA) $(info.html) $(ehtmldir)
236 rm -f $(addprefix $(sbindir)/, $(notdir $(util) $(server)))
237 rm -f $(addprefix $(bindir)/, $(notdir $(client)))
238 rm -rf $(builtindir) $(einfodir) $(ehtmldir)
240 rm -f $(addprefix $(mandir)/man6/, $(notdir $(man6)))
241 @echo "$(dir $(econfig)) and $(gamedir) not removed, you may wish to remove it manually."
244 dist: dist-source dist-client dist-info
246 .PHONY: check check-accept _check
247 check check-accept: _check
248 check: export EMPIRE_CHECK_ACCEPT :=
249 check-accept: export EMPIRE_CHECK_ACCEPT := y
251 @echo "Warning: test suite is immature and needs work." >&2
252 $(srcdir)/tests/files-test $(srcdir)
253 $(srcdir)/tests/fairland-test $(srcdir)
254 $(srcdir)/tests/info-test $(srcdir)
255 ifeq ($(empthread),LWP)
256 $(srcdir)/tests/smoke-test $(srcdir)
257 $(srcdir)/tests/actofgod-test $(srcdir)
258 $(srcdir)/tests/build-test $(srcdir)
259 $(srcdir)/tests/navi-march-test $(srcdir)
260 $(srcdir)/tests/fire-test $(srcdir)
261 $(srcdir)/tests/torpedo-test $(srcdir)
262 $(srcdir)/tests/bridgefall-test $(srcdir)
263 $(srcdir)/tests/retreat-test $(srcdir)
264 $(srcdir)/tests/update-test $(srcdir)
265 $(srcdir)/tests/version-test $(srcdir)
267 @echo "$(srcdir)/tests/smoke-test SKIPPED"
268 @echo "$(srcdir)/tests/actofgod-test SKIPPED"
269 @echo "$(srcdir)/tests/build-test SKIPPED"
270 @echo "$(srcdir)/tests/navi-march-test SKIPPED"
271 @echo "$(srcdir)/tests/fire-test SKIPPED"
272 @echo "$(srcdir)/tests/torpedo-test SKIPPED"
273 @echo "$(srcdir)/tests/bridgefall-test SKIPPED"
274 @echo "$(srcdir)/tests/retreat-test SKIPPED"
275 @echo "$(srcdir)/tests/update-test SKIPPED"
276 @echo "$(srcdir)/tests/version-test SKIPPED"
278 $(srcdir)/tests/empdump-test $(srcdir)
283 # Compile with dependencies as side effect, i.e. create %.d in
285 ifeq ($(how_to_dep),fast)
287 $(call quiet-command,$(COMPILE.c) -MT $@ -MMD -MP -MF $(@:.o=.d) \
288 $(OUTPUT_OPTION) $< || { rm -f $(@:.o=.d) $@; false; },CC $@)
289 # Why the rm? If gcc's preprocessor chokes, it leaves an empty
290 # dependency file behind, and doesn't touch the object file. If an
291 # old object file exists, and is newer than the .c file, make will
292 # then consider the object file up-to-date.
294 ifeq ($(how_to_dep),depcomp)
296 $(call quiet-command,source='$<' object='$@' depfile='$(@:.o=.d)' \
297 $(CCDEPMODE) $(depcomp) $(COMPILE.c) $(OUTPUT_OPTION) $<,CC $@)
299 # Cancel the rule to compile %.c straight to %, it interferes with
300 # automatic dependency generation
304 $(call quiet-command,$(LINK.o) $^ $(LOADLIBES) $(LDLIBS) -o $@,LINK $@)
308 $(call quiet-command,$(NROFF) $(filter %.MAC, $^) $< | $(AWK) -f $(filter %/Blank.awk, $^) >$@ && test -s $@,NROFF $@)
309 # Pipes in make are a pain. The "test -s" catches obvious errors.
311 info.html/%.html: info/%.t
312 $(call quiet-command,perl $(srcdir)/info/emp2html.pl $(info) <$< >$@,GEN $@)
319 $(server): $(filter src/server/% src/lib/commands/% src/lib/player/% src/lib/subs/% src/lib/update/%, $(obj)) $(empth_obj) $(empth_lib) $(libs)
320 $(call quiet-command,$(LINK.o) $^ $(LOADLIBES) $(LDLIBS) -o $@,LINK $@)
322 $(client): $(filter src/client/%, $(obj)) src/lib/global/version.o src/lib/gen/fnameat.o
323 $(call quiet-command,$(LINK.o) $^ $(LOADLIBES) $(LDLIBS) -o $@,LINK $@)
327 lib/libcommon.a: $(filter src/lib/common/%, $(obj))
328 lib/libgen.a: $(filter src/lib/gen/%, $(obj))
329 lib/libglobal.a: $(filter src/lib/global/%, $(obj))
330 lib/liblwp.a: $(filter src/lib/lwp/%, $(obj))
331 lib/libw32.a: $(filter src/lib/w32/%, $(obj))
333 $(libs) $(empth_lib):
334 $(call quiet-command,$(AR) rc $@ $?,AR $@)
337 src/lib/global/version.o: CPPFLAGS += -DVERSION='"$(version)"'
338 src/lib/global/version.o: $(src)
340 ifneq ($(revctrl),git)
341 $(srcdir)/.tarball-version: $(src)
342 v=`sed -e 's/-dirty$$//' <$@`; echo "$$v-dirty" >$@
343 # Force Make to start over after updating .tarball-version, so that
344 # $(version) gets the new value
345 $(srcdir)/.dirty-stamp: .tarball-version
347 include $(srcdir)/.dirty-stamp
352 # mksubj.pl reads $(tsrc) and writes $(tsubj). A naive rule
355 # runs COMMAND once for each target. That's because multiple targets
356 # in an explicit rule is just a shorthand for one rule per target,
357 # each with the same prerequisites and commands. Use a stamp file.
358 $(tsubj) info/toc: info/stamp-subj ;
359 info/stamp-subj: info/mksubj.pl $(tsrc)
360 $(call quiet-command,perl $(srcdir)/info/mksubj.pl $(subjects) $(filter %.t, $^),GEN '$(tsubj) info/toc')
363 info/TOP.t: info/mktop.pl info/subjects.mk
364 $(call quiet-command,perl $(srcdir)/info/mktop.pl $@ $(subjects),GEN $@)
366 info.nr/all: $(filter-out info.nr/all, $(info.nr))
368 (cd info.nr && LC_ALL=C ls -C $(info)) >>$@
370 info.html/all.html: info.nr/all info/ls2html.pl
371 expand $< | perl $(srcdir)/info/ls2html.pl >$@
373 $(info.nr): info/CRT.MAC info/INFO.MAC info/Blank.awk
375 $(info.html): info/emp2html.pl
377 info.ps: info/TROFF.MAC info/INFO.MAC info/TOP.t $(tsubj) $(tsrc)
383 dist-source: $(addprefix $(srcdir)/, $(src_distgen))
384 $(tarball) -x $(srcdir)/src/scripts/gen-tarball-version $(TARNAME) $(version) -C $(srcdir) $(src_distgen) $(src)
386 ifeq ($(revctrl),git)
387 .PHONY: $(srcdir)/sources.mk
388 $(srcdir)/sources.mk:
389 $(call quiet-command,echo "src := $(src)" >$@,GEN $@)
394 $(tarball) -x $(srcdir)/src/scripts/gen-client-configure \
395 $(TARNAME)-client $(version) \
396 -C $(srcdir)/src/client \
397 $(notdir $(filter src/client/%, $(src))) \
398 -C $(srcdir)/include fnameat.h proto.h version.h \
399 -C $(srcdir)/src/lib/global version.c \
400 -C $(srcdir)/src/lib/gen fnameat.c \
401 -C $(srcdir)/src/lib $(addprefix w32/, $(client/w32)) \
402 -C $(srcdir)/man empire.6 \
403 -C $(srcdir)/build-aux install-sh \
404 -C $(srcdir) COPYING INSTALL \
405 m4/ax_lib_socket_nsl.m4 m4/my_lib_readline.m4 \
406 m4/my_terminfo.m4 m4/my_windows_api.m4
410 $(tarball) $(TARNAME)-info-text $(version) -C info.nr $(info)
411 $(tarball) $(TARNAME)-info-html $(version) -C info.html $(addsuffix .html, $(info))
420 # Automatic remake of configuration
421 # See (autoconf)Automatic Remaking.
422 # This requires sufficiently recent versions of autoconf and automake
424 $(srcdir)/configure: configure.ac aclocal.m4
425 cd $(srcdir) && autoconf
427 # autoheader might not change config.h.in, so touch a stamp file.
428 $(srcdir)/config.h.in: stamp-h.in ;
429 $(srcdir)/stamp-h.in: configure.ac aclocal.m4
430 cd $(srcdir) && autoheader
433 $(srcdir)/aclocal.m4: $(filter m4/%.m4, $(src))
434 cd $(srcdir) && aclocal -I m4
436 # config.status might not change config.h; use the stamp file.
438 stamp-h: config.h.in config.status
439 ./config.status config.h stamp-h
441 GNUmakefile: GNUmakefile.in config.status
444 config.status: configure
445 ./config.status --recheck
447 src/lib/global/path.c src/client/ipglob.c: %: %.in GNUmakefile Make.mk
448 $(call quiet-command,$(subst.in) <$< >$@,GEN $@)