#
# Empire - A multi-player, client/server Internet based war game.
-# Copyright (C) 1986-2009, Dave Pare, Jeff Bailey, Thomas Ruschak,
-# Ken Stevens, Steve McClure
+# Copyright (C) 1986-2021, Dave Pare, Jeff Bailey, Thomas Ruschak,
+# Ken Stevens, Steve McClure, Markus Armbruster
#
-# This program is free software; you can redistribute it and/or modify
+# 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,
# 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/>.
#
# ---
#
# Make.mk: The real Makefile, included by GNUmakefile
#
# Known contributors to this file:
-# Markus Armbruster, 2005-2009
+# Markus Armbruster, 2005-2020
#
# 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
# Source files
ifeq ($(revctrl),git)
-src := $(shell cd $(srcdir) && git ls-files)
+src := $(shell cd $(srcdir) && git ls-files | uniq)
+version := $(shell cd $(srcdir) && build-aux/git-version-gen /dev/null)
+ifeq ($(version),UNKNOWN)
+$(warning cannot figure out version number, falling back to git hash)
+version := UNKNOWN-$(shell cd $(srcdir) && git-rev-parse --verify --short HEAD || echo "UNKNOWN")
+endif
else
include $(srcdir)/sources.mk
+version := $(shell cat $(srcdir)/.tarball-version || echo "UNKNOWN")
+endif
+ifeq ($(version),UNKNOWN)
+$(error cannot figure out version number)
endif
dirs := $(sort $(dir $(src)))
csrc := $(filter %.c, $(src))
man6 := $(filter man/%.6, $(src))
builtins := $(filter src/lib/global/%.config, $(src))
-# Info subjects (automatically generated)
--include subjects.mk
+# Info subjects
+include $(srcdir)/info/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
+depcomp := $(SHELL) $(srcdir)/build-aux/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
+edatadir := $(datadir)/empire
+builtindir := $(edatadir)/builtin
+einfodir := $(edatadir)/info.nr
+ehtmldir := $(edatadir)/info.html
+client/w32 := arpa/inet.h getopt.c netdb.h netinet/in.h sys/time.h \
+sys/socket.h sys/uio.h unistd.h w32io.c w32sockets.c w32types.h
+
+# Abbreviate make output
+# Run make with a V=1 parameter for full output.
+ifneq ($(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
+
+# Helper for running tests
+# Usage: $(call run-test, SHELL-SCRIPT)
+# Recursively expanded, or else parameters don't work
+run-test = $(call quiet-command, $(SHELL) -e $1 $(srcdir), TEST $1)
# How to substitute Autoconf output variables
# Recursively expanded so that $@ and $< work.
# Generated files
# See `Cleanliness' below
-mk := subjects.mk
-ifeq ($(revctrl),git)
-mk += $(srcdir)/sources.mk
-endif
+# Generated makefiles, distributed by dist-source from $(srcdir):
+mk := sources.mk
# 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))
# Dependencies:
deps := $(obj:.o=.d)
# Library archives:
-libs := $(addprefix lib/, libcommon.a libas.a libgen.a libglobal.a)
+libs := $(addprefix lib/, libcommon.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))
info.html := $(addprefix info.html/, $(addsuffix .html, $(info)))
+info.all := $(info.nr) $(info.html) info.ps info/stamp-subj
+# Tests
+# sandbox
# Conditionally generated files:
empth_obj := src/lib/empthread/io.o
# 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)
+info/toc info/TOP.t $(info.all) $(empth_obj) $(empth_lib) sandbox
# Removed by distclean:
-distclean := $(ac) $(mk)
+distclean := $(ac)
+ifeq ($(revctrl),git)
+distclean += $(addprefix $(srcdir)/, $(mk))
+endif
# Distributed by dist-source from $(srcdir):
-src_distgen := $(acdist)
-# Distributed by dist-client from $(srcdir)/src/client; removed by distclean:
-cli_distgen := $(acdistcli)
+src_distgen := $(acdist) $(mk)
# Compiler flags
CPPFLAGS += -I$(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-parameter -Wpointer-arith \
--Wstrict-prototypes -Wmissing-prototypes -Wnested-externs \
--Wredundant-decls
-endif
$(client): LDLIBS := $(LIBS_client)
$(server): LDLIBS := $(LIBS_server)
+
### Advertized goals
.PHONY: all
.PHONY: clean
clean:
- rm -f $(clean)
+ $(call quiet-command,rm -rf $(clean),CLEAN)
.PHONY: distclean
distclean: clean
- rm -rf $(distclean) $(cli_distgen)
+ $(call quiet-command,rm -rf $(distclean),DISTCLEAN)
.PHONY: install
install: all installdirs
$(INSTALL_PROGRAM) $(util) $(server) $(sbindir)
$(INSTALL_PROGRAM) $(client) $(bindir)
$(INSTALL) -m 444 $(addprefix $(srcdir)/, $(builtins)) $(builtindir)
+ rm -f $(einfodir)/*
$(INSTALL_DATA) $(info.nr) $(einfodir)
$(INSTALL_DATA) $(addprefix $(srcdir)/, $(man6)) $(mandir)/man6
sed -e '1,/^$$/d' -e 's/^/# /g' <$(srcdir)/doc/schedule >$(schedule).dist
.PHONY: install-html
install-html: html
mkdir -p $(ehtmldir)
+ rm -f $(ehtmldir)/*
$(INSTALL_DATA) $(info.html) $(ehtmldir)
.PHONY: uninstall
uninstall:
rm -f $(addprefix $(sbindir)/, $(notdir $(util) $(server)))
rm -f $(addprefix $(bindir)/, $(notdir $(client)))
- rm -rf $(builtindir) $(einfodir)
+ rm -rf $(builtindir) $(einfodir) $(ehtmldir)
+ rmdir $(edatadir)
rm -f $(addprefix $(mandir)/man6/, $(notdir $(man6)))
@echo "$(dir $(econfig)) and $(gamedir) not removed, you may wish to remove it manually."
.PHONY: dist
dist: dist-source dist-client dist-info
+.PHONY: check check-accept _check
+check check-accept: _check
+check: export EMPIRE_CHECK_ACCEPT :=
+check-accept: export EMPIRE_CHECK_ACCEPT := y
+_check: all
+ @echo "Warning: test suite is immature and needs work." >&2
+ $(call run-test, $(srcdir)/tests/files-test)
+ $(call run-test, $(srcdir)/tests/fairland-test)
+ $(call run-test, $(srcdir)/tests/info-test)
+ifeq ($(empthread),LWP)
+ $(call run-test, $(srcdir)/tests/smoke-test)
+ $(call run-test, $(srcdir)/tests/actofgod-test)
+ $(call run-test, $(srcdir)/tests/build-test)
+ $(call run-test, $(srcdir)/tests/load-tend-test)
+ $(call run-test, $(srcdir)/tests/navi-march-test)
+ $(call run-test, $(srcdir)/tests/fire-test)
+ $(call run-test, $(srcdir)/tests/torpedo-test)
+ $(call run-test, $(srcdir)/tests/bridgefall-test)
+ $(call run-test, $(srcdir)/tests/retreat-test)
+ $(call run-test, $(srcdir)/tests/update-test)
+ $(call run-test, $(srcdir)/tests/version-test)
+else
+ @echo "TEST $(srcdir)/tests/smoke-test SKIPPED"
+ @echo "TEST $(srcdir)/tests/actofgod-test SKIPPED"
+ @echo "TEST $(srcdir)/tests/build-test SKIPPED"
+ @echo "TEST $(srcdir)/tests/load-tend-test SKIPPED"
+ @echo "TEST $(srcdir)/tests/navi-march-test SKIPPED"
+ @echo "TEST $(srcdir)/tests/fire-test SKIPPED"
+ @echo "TEST $(srcdir)/tests/torpedo-test SKIPPED"
+ @echo "TEST $(srcdir)/tests/bridgefall-test SKIPPED"
+ @echo "TEST $(srcdir)/tests/retreat-test SKIPPED"
+ @echo "TEST $(srcdir)/tests/update-test SKIPPED"
+ @echo "TEST $(srcdir)/tests/version-test SKIPPED"
+endif
+ $(call run-test, $(srcdir)/tests/empdump-test)
+
### Implicit rules
# addition to %.o.
ifeq ($(how_to_dep),fast)
%.o: %.c
- $(COMPILE.c) -MT $@ -MMD -MP -MF $(@:.o=.d) $(OUTPUT_OPTION) $< \
- || { rm -f $(@:.o=.d) $@; false; }
+ $(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
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, $^) $< >$@
+ $(call quiet-command,perl $(srcdir)/info/emp2html.pl $(info) <$< >$@,GEN $@)
### Explicit rules
# 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 $@
+ $(call quiet-command,$(LINK.o) $^ $(LOADLIBES) $(LDLIBS) -o $@,LINK $@)
-$(client): $(filter src/client/%, $(obj)) src/lib/global/version.o
- $(LINK.o) $^ $(LOADLIBES) $(LDLIBS) -o $@
+$(client): $(filter src/client/%, $(obj)) src/lib/global/version.o src/lib/gen/fnameat.o
+ $(call quiet-command,$(LINK.o) $^ $(LOADLIBES) $(LDLIBS) -o $@,LINK $@)
$(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/libw32.a: $(filter src/lib/w32/%, $(obj))
$(libs) $(empth_lib):
- $(AR) rc $@ $?
+ $(call quiet-command,$(AR) rc $@ $?,AR $@)
$(RANLIB) $@
-# Info formatting
+src/lib/global/version.o: CPPFLAGS += -DVERSION='"$(version)"'
+src/lib/global/version.o: $(src)
-# FIXME Remaking subjects doesn't work correctly when info sources get
-# removed or subjects get dropped.
+ifneq ($(revctrl),git)
+$(srcdir)/.tarball-version: $(src)
+ v=`sed -e 's/-dirty$$//' <$@`; echo "$$v-dirty" >$@
+# Force Make to start over after updating .tarball-version, so that
+# $(version) gets the new value
+$(srcdir)/.dirty-stamp: $(srcdir)/.tarball-version
+ >$@
+include $(srcdir)/.dirty-stamp
+endif
-subjects.mk: info/findsubj.pl $(tsrc)
- perl $(srcdir)/info/findsubj.pl $(filter %.t, $^)
+# Info formatting
-$(tsubj): info/mksubj.pl
- perl $(srcdir)/info/mksubj.pl $@ $(filter %.t, $^)
+# mksubj.pl reads $(tsrc) and writes $(tsubj). A naive rule
+# $(tsubj): $(tsrc)
+# COMMAND
+# runs COMMAND once for each target. That's because multiple targets
+# in an explicit rule is just a shorthand for one rule per target,
+# each with the same prerequisites and commands. Use a stamp file.
+$(tsubj) info/toc: info/stamp-subj ;
+info/stamp-subj: info/mksubj.pl $(tsrc)
+ $(call quiet-command,perl $(srcdir)/info/mksubj.pl $(subjects) $(filter %.t, $^),GEN '$(tsubj) info/toc')
+ >$@
-$(ttop): $(tsubj)
- perl $(srcdir)/info/mktop.pl $@ $(filter %.t, $^)
+info/TOP.t: info/mktop.pl info/subjects.mk
+ $(call quiet-command,perl $(srcdir)/info/mktop.pl $@ $(subjects),GEN $@)
info.nr/all: $(filter-out info.nr/all, $(info.nr))
>$@
$(info.nr): info/CRT.MAC info/INFO.MAC info/Blank.awk
-$(subjects.html) info.html/TOP.html: info/subj2html.pl
-$(topics.html): info/emp2html.pl
+$(info.html): info/emp2html.pl
-info.ps: info/TROFF.MAC info/INFO.MAC $(ttop) $(tsubj) $(tsrc)
+info.ps: info/TROFF.MAC info/INFO.MAC info/TOP.t $(tsubj) $(tsrc)
groff $^ >$@
# Distributing
.PHONY: dist-source
-dist-source: $(src_distgen)
+dist-source: $(addprefix $(srcdir)/, $(src_distgen))
+ $(tarball) -x $(srcdir)/src/scripts/gen-tarball-version $(TARNAME) $(version) -C $(srcdir) $(src_distgen) $(src)
+
ifeq ($(revctrl),git)
- echo "src := $(src)" >$(srcdir)/sources.mk
+.PHONY: $(srcdir)/sources.mk
+$(srcdir)/sources.mk:
+ $(call quiet-command,echo "src := $(src)" >$@,GEN $@)
endif
- $(tarball) $(TARNAME)-$(VERSION) -C $(srcdir) $(src_distgen) $(src) sources.mk
.PHONY: dist-client
-dist-client: $(cli_distgen)
- $(tarball) $(TARNAME)-client-$(VERSION) \
+dist-client:
+ $(tarball) -x $(srcdir)/src/scripts/gen-client-configure \
+ $(TARNAME)-client $(version) \
-C $(srcdir)/src/client \
- $(notdir $(filter src/client/%, $(src)) $(cli_distgen)) \
- -C $(srcdir)/include proto.h version.h \
+ $(notdir $(filter src/client/%, $(src))) \
+ -C $(srcdir)/include fnameat.h proto.h version.h \
-C $(srcdir)/src/lib/global version.c \
+ -C $(srcdir)/src/lib/gen fnameat.c \
-C $(srcdir)/src/lib $(addprefix w32/, $(client/w32)) \
-C $(srcdir)/man empire.6 \
- -C $(srcdir) COPYING INSTALL install-sh
+ -C $(srcdir)/build-aux install-sh \
+ -C $(srcdir) COPYING INSTALL \
+ m4/ax_lib_socket_nsl.m4 m4/my_lib_readline.m4 \
+ m4/my_terminfo.m4 m4/my_windows_api.m4
.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))
+ $(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)
cd $(srcdir) && autoconf
# autoheader might not change config.h.in, so touch a stamp file.
-$(srcdir)/config.h.in: stamp-h.in
+$(srcdir)/config.h.in: stamp-h.in ;
$(srcdir)/stamp-h.in: configure.ac aclocal.m4
cd $(srcdir) && autoheader
touch $@
cd $(srcdir) && aclocal -I m4
# config.status might not change config.h; use the stamp file.
-config.h: stamp-h
+config.h: stamp-h ;
stamp-h: config.h.in config.status
./config.status config.h stamp-h
./config.status --recheck
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 m4/my_terminfo.m4 m4/my_windows_api.m4
- cat $^ >$@
+ $(call quiet-command,$(subst.in) <$< >$@,GEN $@)
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