-#
+#
# Empire - A multi-player, client/server Internet based war game.
-# Copyright (C) 1986-2006, Dave Pare, Jeff Bailey, Thomas Ruschak,
-# Ken Stevens, Steve McClure
-#
-# This program is free software; you can redistribute it and/or modify
+# Copyright (C) 1986-2011, Dave Pare, Jeff Bailey, Thomas Ruschak,
+# Ken Stevens, Steve McClure, Markus Armbruster
+#
+# Empire is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
+# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
-#
+#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
-#
+#
# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-#
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
# ---
-#
+#
# See files README, COPYING and CREDITS in the root of the source
# tree for related information and legal notices. It is expected
# that future projects/authors will amend these files as needed.
-#
+#
# ---
-#
-# Make.mk:
-#
+#
+# Make.mk: The real Makefile, included by GNUmakefile
+#
# Known contributors to this file:
-# Markus Armbruster, 2005
-#
+# Markus Armbruster, 2005-2011
+#
# This makefile was inspired by `Recursive Make Considered Harmful',
# Peter Miller, 1997.
-# http://www.pcug.org.au/~millerp/rmch/recu-make-cons-harm.html
+# http://miller.emu.id.au/pmiller/books/rmch/
# Recursively expanded variables are occasionally useful, but can be
# slow and tricky. Do not use them gratuitously. If you don't
.DELETE_ON_ERROR:
# Source files
--include sources.mk
+ifeq ($(revctrl),git)
+src := $(shell cd $(srcdir) && git ls-files)
+else
+include $(srcdir)/sources.mk
+endif
dirs := $(sort $(dir $(src)))
csrc := $(filter %.c, $(src))
tsrc := $(filter %.t, $(src))
-man1 := $(filter man/%.1, $(src))
man6 := $(filter man/%.6, $(src))
builtins := $(filter src/lib/global/%.config, $(src))
-# Info topics and subjects
+# Info subjects (automatically generated)
-include subjects.mk
# Abbreviations
info := $(topics) $(subjects) all TOP
subjects.html := $(addprefix info.html/, $(addsuffix .html, $(subjects)))
topics.html := $(addprefix info.html/, $(addsuffix .html, $(topics)))
-scripts = $(srcdir)/src/scripts
-depcomp = $(SHELL) $(srcdir)/depcomp
-tarball = $(SHELL) $(scripts)/tarball
+scripts := $(srcdir)/src/scripts
+depcomp := $(SHELL) $(srcdir)/depcomp
+tarball := $(SHELL) -e $(scripts)/tarball
econfig := $(sysconfdir)/empire/econfig
+schedule := $(sysconfdir)/empire/schedule
gamedir := $(localstatedir)/empire
builtindir := $(datadir)/empire/builtin
einfodir := $(datadir)/empire/info.nr
ehtmldir := $(datadir)/empire/info.html
+client/w32 := arpa/inet.h netdb.h netinet/in.h sys/time.h sys/socket.h \
+sys/uio.h unistd.h w32io.c w32sockets.c w32types.h
+
+# Abbreviate make output
+# Run make with a V=1 parameter for full output.
+ifneq ($(origin V),command line)
+V:=
+endif
+# $(call quiet-command COMMAND,ABBREV) runs COMMAND, but prints only ABBREV.
+# Recursively expanded so that variables in COMMAND and ABBREV work.
+ifneq ($V$(findstring s,$(MAKEFLAGS)),)
+quiet-command = $1
+else
+quiet-command = @echo $2 && $1
+endif
# How to substitute Autoconf output variables
# Recursively expanded so that $@ and $< work.
subst.in = sed \
- -e 's?@configure_input\@?$(notdir $@). Generated from $(notdir $<) by GNUmakefile.?g' \
+ -e 's?@configure_input\@?$(notdir $@): Generated from $(notdir $<) by make.?g' \
-e 's?@builtindir\@?$(builtindir)?g' \
-e 's?@econfig\@?$(econfig)?g' \
-e 's?@einfodir\@?$(einfodir)?g' \
# Generated files
# See `Cleanliness' below
-# sources.mk subjects.mk
+mk := subjects.mk
+ifeq ($(revctrl),git)
+mk += $(srcdir)/sources.mk
+endif
# Generated by Autoconf, not distributed:
ac := config.h config.log config.status info.html info.nr lib stamp-h
ac += $(basename $(filter %.in, $(src)))
acdistcli := $(addprefix src/client/, aclocal.m4 config.h.in configure)
# Object files:
obj := $(csrc:.c=.o) $(filter %.o, $(ac:.c=.o))
-# TODO AIX needs lwpInit.o lwpRestore.o lwpSave.o unless UCONTEXT
# Dependencies:
deps := $(obj:.o=.d)
# Library archives:
libs := $(addprefix lib/, libcommon.a libgen.a libglobal.a)
# Programs:
-util := $(addprefix src/util/, $(addsuffix $(EXEEXT), fairland files pconfig))
+util := $(addprefix src/util/, $(addsuffix $(EXEEXT), empdump empsched fairland files pconfig))
client := src/client/empire$(EXEEXT)
server := src/server/emp_server$(EXEEXT)
# Info subjects:
# Formatted info:
info.nr := $(addprefix info.nr/, $(info))
info.html := $(addprefix info.html/, $(addsuffix .html, $(info)))
+info.all := $(info.nr) $(info.html) info.ps
# Conditionally generated files:
+empth_obj := src/lib/empthread/io.o
+empth_lib :=
ifeq ($(empthread),LWP)
-empth_obj := src/lib/empthread/lwp.o src/lib/empthread/posix.o
-empth_lib := lib/liblwp.a
+empth_obj += src/lib/empthread/lwp.o src/lib/empthread/posix.o
+empth_lib += lib/liblwp.a
endif
ifeq ($(empthread),POSIX)
-empth_obj := src/lib/empthread/pthread.o src/lib/empthread/posix.o
-empth_lib :=
+empth_obj += src/lib/empthread/pthread.o src/lib/empthread/posix.o
endif
ifeq ($(empthread),Windows)
-empth_obj := src/lib/empthread/ntthread.o
-empth_lib :=
+empth_obj += src/lib/empthread/ntthread.o
+endif
+
+ifeq ($(empthread),Windows) # really: W32, regardless of thread package
+libs += lib/libw32.a
+$(client): lib/libw32.a
endif
# Cleanliness
# Each generated file should be in one of the following sets.
# Removed by clean:
clean := $(obj) $(deps) $(libs) $(util) $(client) $(server) $(tsubj) \
-$(ttop) $(info.nr) $(info.html) $(empth_obj) $(empth_lib)
+$(ttop) $(info.all) $(empth_obj) $(empth_lib)
# Removed by distclean:
-distclean := $(ac) subjects.mk
-# Distributed by dist-source from $(srcdir)
+distclean := $(ac) $(mk)
+# Distributed by dist-source from $(srcdir):
src_distgen := $(acdist)
-# Distributed by dist-source from .
-bld_distgen := sources.mk
-# Distributed by dist-client from $(srcdir)/src/client
+# Distributed by dist-client from $(srcdir)/src/client; removed by distclean:
cli_distgen := $(acdistcli)
# Compiler flags
CPPFLAGS += -I$(srcdir)/include -I.
+ifeq ($(empthread),Windows) # really: W32, regardless of thread package
+CPPFLAGS += -I$(srcdir)/src/lib/w32
+endif
ifeq ($(have_gcc),yes)
CFLAGS += -fno-builtin-carg # conflicts with our carg()
CFLAGS += -fno-common
-CFLAGS += -Wall -W -Wno-unused -Wpointer-arith -Wstrict-prototypes \
--Wmissing-prototypes -Wnested-externs -Wredundant-decls
+CFLAGS += -Wall -W -Wno-unused-parameter -Wpointer-arith \
+-Wstrict-prototypes -Wmissing-prototypes -Wnested-externs \
+-Wredundant-decls
endif
-LDLIBS += -lm
-$(client): LDLIBS += $(termlibs)
+$(client): LDLIBS := $(LIBS_client)
+$(server): LDLIBS := $(LIBS_server)
### Advertized goals
.PHONY: clean
clean:
- rm -f $(clean)
+ $(call quiet-command,rm -f $(clean),CLEAN)
.PHONY: distclean
distclean: clean
- rm -rf $(distclean)
+ $(call quiet-command,rm -rf $(distclean) $(cli_distgen),DISTCLEAN)
.PHONY: install
install: all installdirs
$(INSTALL_PROGRAM) $(client) $(bindir)
$(INSTALL) -m 444 $(addprefix $(srcdir)/, $(builtins)) $(builtindir)
$(INSTALL_DATA) $(info.nr) $(einfodir)
- $(INSTALL_DATA) $(addprefix $(srcdir)/, $(man1)) $(mandir)/man1
$(INSTALL_DATA) $(addprefix $(srcdir)/, $(man6)) $(mandir)/man6
+ sed -e '1,/^$$/d' -e 's/^/# /g' <$(srcdir)/doc/schedule >$(schedule).dist
+ echo >>$(schedule).dist
+ echo 'every 10 minutes' >>$(schedule).dist
+ [ -e $(schedule) ] || mv $(schedule).dist $(schedule)
if [ -e $(econfig) ]; then \
- if src/util/pconfig $(econfig) >$(econfig).new; then \
- if cmp -s $(econfig) $(econfig).new; then \
- rm $(econfig).new; \
- else \
- echo "Check out $(econfig).new"; \
- fi \
+ echo "Attempting to update your econfig"; \
+ if src/util/pconfig $(econfig) >$(econfig).dist; then \
+ if cmp -s $(econfig) $(econfig).dist; then \
+ echo "$(econfig) unchanged"; \
+ rm $(econfig).dist; \
+ fi; \
else \
echo "Your $(econfig) doesn't work"; \
- fi \
+ src/util/pconfig >$(econfig).dist; \
+ fi; \
+ if [ -e $(econfig).dist ]; then \
+ echo "Check out $(econfig).dist"; \
+ fi; \
else \
src/util/pconfig >$(econfig); \
fi
.PHONY: installdirs
installdirs:
- mkdir -p $(sbindir) $(bindir) $(builtindir) $(einfodir) $(mandir)/man1 $(mandir)/man6 $(dir $(econfig)) $(gamedir)
+ mkdir -p $(sbindir) $(bindir) $(builtindir) $(einfodir) $(mandir)/man6 $(dir $(econfig)) $(gamedir)
.PHONY: install-html
install-html: html
rm -f $(addprefix $(sbindir)/, $(notdir $(util) $(server)))
rm -f $(addprefix $(bindir)/, $(notdir $(client)))
rm -rf $(builtindir) $(einfodir)
- rm -f $(addprefix $(mandir)/man1/, $(notdir $(man1)))
rm -f $(addprefix $(mandir)/man6/, $(notdir $(man6)))
- @[ -e $(gamedir) ] && echo "$(gamedir) not removed, you may wish to remove it manually."
- @[ -e $(econfig) ] && echo "$(econfig) not removed, you may wish to remove it manually."
+ @echo "$(dir $(econfig)) and $(gamedir) not removed, you may wish to remove it manually."
.PHONY: dist
dist: dist-source dist-client dist-info
# addition to %.o.
ifeq ($(how_to_dep),fast)
%.o: %.c
- $(COMPILE.c) -MT $@ -MMD -MP $(OUTPUT_OPTION) $<
+ $(call quiet-command,$(COMPILE.c) -MT $@ -MMD -MP -MF $(@:.o=.d) \
+ $(OUTPUT_OPTION) $< || { rm -f $(@:.o=.d) $@; false; },CC $@)
+# Why the rm? If gcc's preprocessor chokes, it leaves an empty
+# dependency file behind, and doesn't touch the object file. If an
+# old object file exists, and is newer than the .c file, make will
+# then consider the object file up-to-date.
endif
ifeq ($(how_to_dep),depcomp)
%.o: %.c
- source='$<' object='$@' depfile='$(@:.o=.d)' $(CCDEPMODE) $(depcomp) \
- $(COMPILE.c) $(OUTPUT_OPTION) $<
+ $(call quiet-command,source='$<' object='$@' depfile='$(@:.o=.d)' \
+ $(CCDEPMODE) $(depcomp) $(COMPILE.c) $(OUTPUT_OPTION) $<,CC $@)
endif
# Cancel the rule to compile %.c straight to %, it interferes with
# automatic dependency generation
%: %.c
-# Work around MinGW Make's broken built-in link rule:
%$(EXEEXT): %.o
- $(LINK.o) $^ $(LOADLIBES) $(LDLIBS) -o $@
+ $(call quiet-command,$(LINK.o) $^ $(LOADLIBES) $(LDLIBS) -o $@,LINK $@)
info.nr/%: info/%.t
- $(NROFF) $(filter %.MAC, $^) $< | $(AWK) -f $(filter %/Blank.awk, $^) >$@
-# Pipes in make are a pain. Catch obvious errors:
- @test -s $@
+ $(call quiet-command,$(NROFF) $(filter %.MAC, $^) $< | $(AWK) -f $(filter %/Blank.awk, $^) >$@ && test -s $@,NROFF $@)
+# Pipes in make are a pain. The "test -s" catches obvious errors.
info.html/%.html: info/%.t
perl $(filter %.pl, $^) $< >$@
# Compilation
-$(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)
- $(LINK.o) $^ $(LOADLIBES) $(LDLIBS) -o $@
+$(server): $(filter src/server/% src/lib/commands/% src/lib/player/% src/lib/subs/% src/lib/update/%, $(obj)) $(empth_obj) $(empth_lib) $(libs)
+ $(call quiet-command,$(LINK.o) $^ $(LOADLIBES) $(LDLIBS) -o $@,LINK $@)
-$(client): $(filter src/client/%, $(obj))
- $(LINK.o) $^ $(LOADLIBES) $(LDLIBS) -o $@
+$(client): $(filter src/client/%, $(obj)) src/lib/global/version.o
+ $(call quiet-command,$(LINK.o) $^ $(LOADLIBES) $(LDLIBS) -o $@,LINK $@)
$(util): $(libs)
lib/libgen.a: $(filter src/lib/gen/%, $(obj))
lib/libglobal.a: $(filter src/lib/global/%, $(obj))
lib/liblwp.a: $(filter src/lib/lwp/%, $(obj))
+lib/libw32.a: $(filter src/lib/w32/%, $(obj))
$(libs) $(empth_lib):
- $(AR) rc $@ $?
+ $(call quiet-command,$(AR) rc $@ $?,AR $@)
$(RANLIB) $@
# Info formatting
-subjects.mk: $(tsrc) info/findsubj.pl sources.mk
- perl $(srcdir)/info/findsubj.pl
-# If sources.mk is out of date, $(tsrc) is. If it contains files that
-# went away, make can't remake subjects.mk. Tell it to ignore such
-# missing files:
-$(tsrc):
+# FIXME Remaking subjects doesn't work correctly when info sources get
+# removed or subjects get dropped.
+
+subjects.mk: info/findsubj.pl $(tsrc)
+ perl $(srcdir)/info/findsubj.pl $(filter %.t, $^)
$(tsubj): info/mksubj.pl
perl $(srcdir)/info/mksubj.pl $@ $(filter %.t, $^)
perl $(srcdir)/info/mktop.pl $@ $(filter %.t, $^)
info.nr/all: $(filter-out info.nr/all, $(info.nr))
- (cd info.nr && LC_ALL=C ls -C $(info)) >$@
-# FIXME shouldn't use ls
+ >$@
+ (cd info.nr && LC_ALL=C ls -C $(info)) >>$@
-info.html/all.html: $(filter-out info.html/all.html, $(info.html)) info/ls2html.pl
- (cd info.html && LC_ALL=C ls -C $(notdir $(info.html))) | expand | perl $(filter %.pl, $^) >$@
-# FIXME shouldn't use ls
+info.html/all.html: info.nr/all info/ls2html.pl
+ expand $< | perl $(srcdir)/info/ls2html.pl >$@
$(info.nr): info/CRT.MAC info/INFO.MAC info/Blank.awk
$(subjects.html) info.html/TOP.html: info/subj2html.pl
$(topics.html): info/emp2html.pl
-ifeq ($(cvs_controlled),yes)
-# Find files and directories under CVS control
-sources.mk: $(scripts)/cvsfiles.awk $(addprefix $(srcdir)/, $(addsuffix CVS/Entries, $(dirs)))
- echo 'src := ' `cd $(srcdir) && $(AWK) -f src/scripts/cvsfiles.awk | LC_ALL=C sort` >$@
-else
-ifneq ($(srcdir),.)
-sources.mk: $(srcdir)/sources.mk
- cp -f $^ $@
-endif
-endif
+info.ps: info/TROFF.MAC info/INFO.MAC $(ttop) $(tsubj) $(tsrc)
+ groff $^ >$@
# Distributing
.PHONY: dist-source
-dist-source: $(src_distgen) $(bld_distgen)
- $(tarball) $(TARNAME)-$(VERSION) $(bld_distgen) -C $(srcdir) $(src_distgen) $(src)
+dist-source: $(src_distgen)
+ifeq ($(revctrl),git)
+ echo "src := $(src)" >$(srcdir)/sources.mk
+endif
+ $(tarball) $(TARNAME)-$(VERSION) -C $(srcdir) $(src_distgen) $(src) sources.mk
.PHONY: dist-client
dist-client: $(cli_distgen)
$(tarball) $(TARNAME)-client-$(VERSION) \
-C $(srcdir)/src/client \
$(notdir $(filter src/client/%, $(src)) $(cli_distgen)) \
- -C $(srcdir)/include proto.h \
+ -C $(srcdir)/include proto.h version.h \
+ -C $(srcdir)/src/lib/global version.c \
+ -C $(srcdir)/src/lib $(addprefix w32/, $(client/w32)) \
-C $(srcdir)/man empire.6 \
-C $(srcdir) COPYING INSTALL install-sh
$(tarball) $(TARNAME)-info-text-$(VERSION) -C info.nr $(info)
$(tarball) $(TARNAME)-info-html-$(VERSION) -C info.html $(addsuffix .html, $(info))
+# Dependencies
+
ifneq ($(deps),)
-include $(deps)
endif
./config.status --recheck
src/lib/global/path.c src/client/ipglob.c: %: %.in GNUmakefile Make.mk
- $(subst.in) <$< >$@
+ $(call quiet-command,$(subst.in) <$< >$@,GEN $@)
# Make files for standalone client distribution
cd $(dir $@) && autoheader
touch $@
-$(srcdir)/src/client/aclocal.m4: m4/lib_socket_nsl.m4
- cp -f $< $@
+$(srcdir)/src/client/aclocal.m4: m4/lib_socket_nsl.m4 m4/my_terminfo.m4 m4/my_windows_api.m4
+ cat $^ >$@
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