-#
+#
# Empire - A multi-player, client/server Internet based war game.
-# Copyright (C) 1986-2006, Dave Pare, Jeff Bailey, Thomas Ruschak,
+# Copyright (C) 1986-2009, Dave Pare, Jeff Bailey, Thomas Ruschak,
# Ken Stevens, Steve McClure
-#
+#
# This program 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
# (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
-#
+#
# ---
-#
-# See the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
-# related information and legal notices. It is expected that any future
-# projects/authors will amend these files as needed.
-#
+#
+# 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, 2005-2009
+#
# This makefile was inspired by `Recursive Make Considered Harmful',
# Peter Miller, 1997.
# slow and tricky. Do not use them gratuitously. If you don't
# understand this, always use `:=' rather than `='.
+# Default goal
+all:
+
# Delete target on error. Every Makefile should have this.
.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
topics := $(patsubst %.t,%,$(notdir $(tsrc)))
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) -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
+
+# How to substitute Autoconf output variables
+# Recursively expanded so that $@ and $< work.
+subst.in = sed \
+ -e 's?@configure_input\@?$(notdir $@): Generated from $(notdir $<) by make.?g' \
+ -e 's?@builtindir\@?$(builtindir)?g' \
+ -e 's?@econfig\@?$(econfig)?g' \
+ -e 's?@einfodir\@?$(einfodir)?g' \
+ -e 's?@gamedir\@?$(gamedir)?g' \
+ -e 's/@EMPIREHOST\@/$(EMPIREHOST)/g' \
+ -e 's/@EMPIREPORT\@/$(EMPIREPORT)/g'
# Generated files
-mk := sources.mk subjects.mk
-ac := autom4te.cache config.h config.status config.log stamp-h \
-$(basename $(filter %.in, $(src)))
+# See `Cleanliness' below
+mk := subjects.mk
+ifeq ($(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)))
+ac += $(srcdir)/autom4te.cache $(srcdir)/src/client/autom4te.cache
+# distributed by dist-source from $(srcdir):
+acdist := aclocal.m4 config.h.in configure stamp-h.in
+# distributed by dist-client from $(srcdir):
+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)
-libs := $(addprefix lib/, libcommon.a libgen.a libglobal.a)
-util := $(addprefix src/util/, fairland files pconfig)
-client := src/client/empire
-server := src/server/emp_server
-progs := $(util) $(client) $(server)
+# Library archives:
+libs := $(addprefix lib/, libcommon.a libas.a libgen.a libglobal.a)
+# Programs:
+util := $(addprefix src/util/, $(addsuffix $(EXEEXT), empdump empsched fairland files pconfig))
+client := src/client/empire$(EXEEXT)
+server := src/server/emp_server$(EXEEXT)
+# Info subjects:
tsubj := $(addprefix info/, $(addsuffix .t, $(subjects)))
ttop := info/TOP.t
+# Formatted info:
info.nr := $(addprefix info.nr/, $(info))
-subjects.html := $(addprefix info.html/, $(addsuffix .html, $(subjects)))
-topics.html := $(addprefix info.html/, $(addsuffix .html, $(topics)))
info.html := $(addprefix info.html/, $(addsuffix .html, $(info)))
+# Conditionally generated files:
+empth_obj := src/lib/empthread/io.o
+empth_lib :=
ifeq ($(empthread),LWP)
-empth_obj := src/lib/empthread/lwp.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 ($(empthread),POSIX)
-empth_obj := src/lib/empthread/pthread.o
-empth_lib :=
+empth_obj += src/lib/empthread/pthread.o src/lib/empthread/posix.o
endif
ifeq ($(empthread),Windows)
-empth_obj := src/lib/empthread/ntthread.o
-empth_lib :=
+empth_obj += src/lib/empthread/ntthread.o
endif
-# Abbreviations
-scripts = $(srcdir)/src/scripts
-depcomp = $(SHELL) $(srcdir)/depcomp
-clean := $(obj) $(deps) $(libs) $(progs) $(empth_lib) $(tsubj) \
-$(info.nr) $(info.html)
-distclean := $(ac) info/stamp $(ttop)
-econfig := $(sysconfdir)/empire/econfig
-edatadir := $(localstatedir)/empire
-einfodir := $(datadir)/empire/info.nr
-ehtmldir := $(datadir)/empire/info.html
-# Recursively expanded so that $@ and $< work.
-subst.in = sed \
- -e 's?@configure_input\@?$(notdir $@). Generated from $(notdir $<) by GNUmakefile.?g' \
- -e 's?@econfig\@?$(econfig)?g' \
- -e 's?@edatadir\@?$(edatadir)?g' \
- -e 's?@einfodir\@?$(einfodir)?g' \
- -e 's/@EMPIREHOST\@/$(EMPIREHOST)/g' \
- -e 's/@EMPIREPORT\@/$(EMPIREPORT)/g'
+ifeq ($(empthread),Windows) # really: W32, regardless of thread package
+libs += 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)
+# Removed by distclean:
+distclean := $(ac) $(mk)
+# Distributed by dist-source from $(srcdir):
+src_distgen := $(acdist)
+# 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)
### Advertized goals
.PHONY: all
-all: $(progs) info
+all: $(util) $(client) $(server) info
.PHONY: info html
info: $(info.nr)
.PHONY: distclean
distclean: clean
- rm -rf $(distclean)
+ rm -rf $(distclean) $(cli_distgen)
.PHONY: install
install: all installdirs
$(INSTALL_PROGRAM) $(util) $(server) $(sbindir)
$(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
- if test -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 \
+ 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 \
+ 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 $(bindir) $(sbindir) $(edatadir) $(einfodir) $(mandir)/man1 $(mandir)/man6 $(dir $(econfig))
+ mkdir -p $(sbindir) $(bindir) $(builtindir) $(einfodir) $(mandir)/man6 $(dir $(econfig)) $(gamedir)
.PHONY: install-html
-install-html: html | $(ehtmldir)
+install-html: html
+ mkdir -p $(ehtmldir)
$(INSTALL_DATA) $(info.html) $(ehtmldir)
.PHONY: uninstall
uninstall:
- false # FIXME
+ rm -f $(addprefix $(sbindir)/, $(notdir $(util) $(server)))
+ rm -f $(addprefix $(bindir)/, $(notdir $(client)))
+ rm -rf $(builtindir) $(einfodir)
+ rm -f $(addprefix $(mandir)/man6/, $(notdir $(man6)))
+ @echo "$(dir $(econfig)) and $(gamedir) not removed, you may wish to remove it manually."
.PHONY: dist
-dist:
- false # FIXME
+dist: dist-source dist-client dist-info
### Implicit rules
# addition to %.o.
ifeq ($(how_to_dep),fast)
%.o: %.c
- $(COMPILE.c) -MT $@ -MMD -MP $(OUTPUT_OPTION) $<
+ $(COMPILE.c) -MT $@ -MMD -MP -MF $(@:.o=.d) $(OUTPUT_OPTION) $< \
+ || { rm -f $(@:.o=.d) $@; false; }
+# Why the rm? If gcc's preprocessor chokes, it leaves an empty
+# dependency file behind, and doesn't touch the object file. If an
+# old object file exists, and is newer than the .c file, make will
+# then consider the object file up-to-date.
endif
ifeq ($(how_to_dep),depcomp)
%.o: %.c
# automatic dependency generation
%: %.c
+# Work around MinGW Make's broken built-in link rule:
+%$(EXEEXT): %.o
+ $(LINK.o) $^ $(LOADLIBES) $(LDLIBS) -o $@
+
+
info.nr/%: info/%.t
- $(NROFF) -I $(srcdir)/info $(filter %/CRT.MAC, $^) $< | $(AWK) -f $(filter %/Blank.awk, $^) >$@
-# FIXME AT&T nroff doesn't grok -I
+ $(NROFF) $(filter %.MAC, $^) $< | $(AWK) -f $(filter %/Blank.awk, $^) >$@
+# Pipes in make are a pain. Catch obvious errors:
+ @test -s $@
info.html/%.html: info/%.t
perl $(filter %.pl, $^) $< >$@
### Explicit rules
-$(server): $(filter src/server/% src/lib/as/% src/lib/commands/% src/lib/player/% src/lib/subs/% src/lib/update/%, $(obj)) $(empth_obj) $(libs) $(empth_lib)
+# Compilation
+
+$(server): $(filter src/server/% src/lib/commands/% src/lib/player/% src/lib/subs/% src/lib/update/%, $(obj)) $(empth_obj) $(empth_lib) $(libs)
$(LINK.o) $^ $(LOADLIBES) $(LDLIBS) -o $@
-$(client): $(filter src/client/%, $(obj)) $(termlibs)
+$(client): $(filter src/client/%, $(obj)) src/lib/global/version.o
$(LINK.o) $^ $(LOADLIBES) $(LDLIBS) -o $@
+ifeq ($(empthread),Windows)
+$(client): src/lib/w32/getopt.o
+endif
$(util): $(libs)
+lib/libas.a: $(filter src/lib/as/%, $(obj))
lib/libcommon.a: $(filter src/lib/common/%, $(obj))
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) $(empth_lib): | lib
+$(libs) $(empth_lib):
$(AR) rc $@ $?
$(RANLIB) $@
-# info.pl reads $(tsrc) and writes subjects.mk $(ttop) $(tsubj). The
-# naive rule
-# subjects.mk $(ttop) $(tsubj): $(tsrc)
-# COMMAND
-# runs COMMAND once for each target. That's because multiple targets
-# in an explicit rule is just a shorthand for one rule per target,
-# each with the same prerequisites and commands. A pattern rule with
-# multiple targets does what we want. So we artificially turn the
-# explicit rule into a pattern rule: we replace info with %, and
-# insert a touch target info/stamp.
-# FIXME if sources.mk is out-of-date, $(tsubj) is, and the bogus deps can prevent remaking of subjects.mk and thus sources.mk
-$(patsubst info/%, \%/%, $(ttop) $(tsubj)): %/stamp
- perl $(srcdir)/info/info.pl
-info/stamp: $(tsrc) info/info.pl sources.mk
- >$@
-subjects.mk: $(ttop)
- :
+# Info formatting
+
+# 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, $^)
+
+$(ttop): $(tsubj)
+ perl $(srcdir)/info/mktop.pl $@ $(filter %.t, $^)
info.nr/all: $(filter-out info.nr/all, $(info.nr))
- (cd info.nr && ls -CF) >$@
-# FIXME should use $^ and not ls
+ >$@
+ (cd info.nr && LC_ALL=C ls -C $(info)) >>$@
+
+info.html/all.html: info.nr/all info/ls2html.pl
+ expand $< | perl $(srcdir)/info/ls2html.pl >$@
-info.html/all.html: $(filter-out info.html/all.html, $(info.html)) info/ls2html.pl
- (cd info.html && ls -CF *.html) | expand | perl $(filter %.pl, $^) >$@
-# FIXME should use $^ and not ls
+$(info.nr): info/CRT.MAC info/INFO.MAC info/Blank.awk
-$(info.nr): info/CRT.MAC info/INFO.MAC info/Blank.awk | info.nr
+$(subjects.html) info.html/TOP.html: info/subj2html.pl
+$(topics.html): info/emp2html.pl
-$(subjects.html): info/subj2html.pl | info.html
-$(topics.html): info/emp2html.pl | info.html
+info.ps: info/TROFF.MAC info/INFO.MAC $(ttop) $(tsubj) $(tsrc)
+ groff $^ >$@
-info.nr info.html lib:
- mkdir -p $@
+# Distributing
-ifeq ($(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) && $(AWK) -f src/scripts/cvsfiles.awk` >$@
+.PHONY: dist-source
+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 version.h \
+ -C $(srcdir)/src/lib/global version.c \
+ -C $(srcdir)/src/lib/w32 getopt.h getopt.c \
+ -C $(srcdir)/man empire.6 \
+ -C $(srcdir) COPYING INSTALL install-sh
+
+.PHONY: dist-info
+dist-info: info html
+ $(tarball) $(TARNAME)-info-text-$(VERSION) -C info.nr $(info)
+ $(tarball) $(TARNAME)-info-html-$(VERSION) -C info.html $(addsuffix .html, $(info))
ifneq ($(deps),)
-include $(deps)
endif
+
# Automatic remake of configuration
# See (autoconf)Automatic Remaking.
# This requires sufficiently recent versions of autoconf and automake
$(srcdir)/config.h.in: stamp-h.in
$(srcdir)/stamp-h.in: configure.ac aclocal.m4
cd $(srcdir) && autoheader
- >$@
+ touch $@
$(srcdir)/aclocal.m4: $(filter m4/%.m4, $(src))
cd $(srcdir) && aclocal -I m4
config.status: configure
./config.status --recheck
-src/lib/global/path.c src/client/ipglob.c: %: %.in GNUmakefile
+src/lib/global/path.c src/client/ipglob.c: %: %.in GNUmakefile Make.mk
$(subst.in) <$< >$@
+
+
+# Make files for standalone client distribution
+
+$(srcdir)/src/client/configure: src/client/configure.ac src/client/aclocal.m4
+ cd $(dir $@) && autoconf
+
+$(srcdir)/src/client/config.h.in: src/client/configure.ac src/client/aclocal.m4
+ cd $(dir $@) && autoheader
+ touch $@
+
+$(srcdir)/src/client/aclocal.m4: m4/lib_socket_nsl.m4
+ cp -f $< $@
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