empserver/Make.mk
Markus Armbruster d72f9936db Fix remaking of sources.mk with git
Broken since commit 35db407d, v.4.3.12.  v4.3.14 and v4.3.15 were
distributed with a stale sources.mk in the tarball.  The latter does
not build out of the box because of that.
2008-07-25 08:34:35 -04:00

415 lines
12 KiB
Makefile

#
# Empire - A multi-player, client/server Internet based war game.
# Copyright (C) 1986-2008, 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 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: The real Makefile, included by GNUmakefile
#
# Known contributors to this file:
# Markus Armbruster, 2005-2008
#
# This makefile was inspired by `Recursive Make Considered Harmful',
# Peter Miller, 1997.
# http://www.pcug.org.au/~millerp/rmch/recu-make-cons-harm.html
# Recursively expanded variables are occasionally useful, but can be
# 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
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))
man6 := $(filter man/%.6, $(src))
builtins := $(filter src/lib/global/%.config, $(src))
# 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\@/$(EMPIREPORT)/g'
# Generated files
# See `Cleanliness' below
mk := subjects.mk
ifeq ($(revctrl),git)
mk += sources.mk
else
ifneq ($(srcdir),.)
mk += sources.mk
endif
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))
# Dependencies:
deps := $(obj:.o=.d)
# 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))
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 src/lib/empthread/posix.o
empth_lib += lib/liblwp.a
endif
ifeq ($(empthread),POSIX)
empth_obj += src/lib/empthread/pthread.o src/lib/empthread/posix.o
endif
ifeq ($(empthread),Windows)
empth_obj += src/lib/empthread/ntthread.o
endif
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-source from .
bld_distgen := sources.mk
# Distributed by dist-client from $(srcdir)/src/client
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-parameter -Wpointer-arith \
-Wstrict-prototypes -Wmissing-prototypes -Wnested-externs \
-Wredundant-decls
endif
LDLIBS += -lm
$(client): LDLIBS += $(termlibs)
### Advertized goals
.PHONY: all
all: $(util) $(client) $(server) info
.PHONY: info html
info: $(info.nr)
html: $(info.html)
.PHONY: clean
clean:
rm -f $(clean)
.PHONY: distclean
distclean: clean
rm -rf $(distclean)
.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)/, $(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 \
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 $(econfig) doesn't work"; \
src/util/pconfig >$(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)/man6 $(dir $(econfig)) $(gamedir)
.PHONY: install-html
install-html: html
mkdir -p $(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 -f $(addprefix $(mandir)/man6/, $(notdir $(man6)))
@echo "$(dir $(econfig)) and $(gamedir) not removed, you may wish to remove it manually."
.PHONY: dist
dist: dist-source dist-client dist-info
### Implicit rules
# Compile with dependencies as side effect, i.e. create %.d in
# addition to %.o.
ifeq ($(how_to_dep),fast)
%.o: %.c
$(COMPILE.c) -MT $@ -MMD -MP $(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
source='$<' object='$@' depfile='$(@:.o=.d)' $(CCDEPMODE) $(depcomp) \
$(COMPILE.c) $(OUTPUT_OPTION) $<
endif
# Cancel the rule to compile %.c straight to %, it interferes with
# automatic dependency generation
%: %.c
# Work around MinGW Make's broken built-in link rule:
%$(EXEEXT): %.o
$(LINK.o) $^ $(LOADLIBES) $(LDLIBS) -o $@
info.nr/%: info/%.t
$(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
# 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)) 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):
$(AR) rc $@ $?
$(RANLIB) $@
# 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 && LC_ALL=C ls -C $(info)) >>$@
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
info.ps: info/TROFF.MAC info/INFO.MAC $(ttop) $(tsubj) $(tsrc)
groff $^ >$@
# List of source files
# Note: $(srcdir)/sources.mk is only used when the source tree came
# from a tarball rather than git. The following rules create a
# sources.mk to put into the tarball. It is not used otherwise in
# this build.
ifeq ($(revctrl),git)
.PHONY: sources.mk
sources.mk:
echo "src := $(src)" >sources.mk
else
ifneq ($(srcdir),.)
sources.mk: $(srcdir)/sources.mk
cp -f $^ $@
endif
endif
# Distributing
.PHONY: dist-source
dist-source: $(src_distgen) $(bld_distgen)
$(tarball) $(TARNAME)-$(VERSION) $(bld_distgen) -C $(srcdir) $(src_distgen) $(src)
.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)/configure: configure.ac aclocal.m4
cd $(srcdir) && autoconf
# autoheader might not change config.h.in, so touch a stamp file.
$(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 might not change config.h; use the stamp file.
config.h: stamp-h
stamp-h: config.h.in config.status
./config.status config.h stamp-h
GNUmakefile: GNUmakefile.in config.status
./config.status $@
config.status: configure
./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
cp -f $< $@