#!/usr/bin/make -f
#
# $Id: rules,v 1.3 1998/11/26 09:24:05 kooij Exp $
# Makefile for Debian package xbat.
#
# Copyright (C) 1998 by Joost Kooij.
# 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.


default: 
	@echo "no default target.  exiting (error)." >&2
	@echo "usage: debian/rules <target>" >&2
	@echo "possible targets are: clean build binary" >&2
	@false


checkdir := $(shell \
		if ! [ -f xev.c -a -f debian/rules ]; then \
			printf "Error: Not in correct source directory!\n" >&2 ;\
			printf "Start only from within top-level source directory.\n" >&2 ;\
			printf "Killing make: " >&2 ;\
			kill $$PPID ;\
		fi ;\
	)
	

RULES_DEBUG := 1

ifdef RULES_DEBUG
    define debugtarget
	@echo "making $@ (updated $? from $^)"
    endef
endif


	#########################
	#			#
	#      Definitions.	#
	#			#
	#########################

#
# Convenient defines for targets and rules.
#

# Filesystem definitions: 
debian_doc_dir	:= /usr/share/doc/xbat
debian_bin_dir	:= /usr/games
debian_lib_dir	:= /usr/share/games/xbat
debian_man_dir	:= /usr/share/man
debian_var_dir	:= /var/games/xbat
debian_menu_dir	:= /usr/lib/menu
debian_image_dir:= $(debian_lib_dir)/Image
debian_map_dir	:= $(debian_lib_dir)/Map
debian_domo_dir	:= $(debian_lib_dir)/Domo
debian_score_dir:= $(debian_var_dir)

# Package build-area defines:
tmp		:= debian/tmp
bindir		:= $(tmp)$(debian_bin_dir)
docdir		:= $(tmp)$(debian_doc_dir)
mandir		:= $(tmp)$(debian_man_dir)
menudir		:= $(tmp)$(debian_menu_dir)
scorevardir	:= $(tmp)$(debian_var_dir)
scorelibdir	:= $(tmp)$(debian_lib_dir)/Score
controldir	:= $(tmp)/DEBIAN

# Target files:
xbat_build	:= xbat
xbat_binary	:= $(bindir)/xbat

# Dependency files:
xbat_docs	:= README README.jp 
pkg_docs	:= debian/README debian/changelog debian/copyright 
manpage		:= debian/xbat.6
menufile	:= debian/menufile
controlfiles	:= debian/postinst debian/postrm


#
# Variable overrides for use with the xbat Makefile.
#

# Use FHS-compliant locations instead of /usr/local from Imakefile
FHS_DEFINES :=     \
  SCORE_DIR=$(debian_score_dir) \
  IMAGE_DIR=$(debian_image_dir) \
  MAP_DIR=$(debian_map_dir)     \
  DOMO_DIR=$(debian_domo_dir)   \
  BINDIR=$(debian_bin_dir) 

# UNION is a compile flag.  It cannot be evaluated in the Imakefile,
# because imake doesn't give cpp a nice $ARCH flag to evaluate.  
architecture:=$(shell dpkg --print-architecture)
ifeq ($(architecture),i386)
  UNION=1
else
  UNION=0
endif


#
# Utility defines
#

install_file	:= install -p -o root -g root -m 644
install_program	:= install -p -o root -g root -m 755
make_directory	:= install -d -o root -g root -m 755



	#################################
	#				#
	#	Targets and rules	#
	#				#
	#################################


#
# Rules for mandated debian package build targets.
#

clean: sourceclean
	$(debugtarget)

build: $(xbat_build)
	$(debugtarget)

binary:	binary-indep binary-arch
	$(debugtarget)

binary-indep:	$(docdir) $(mandir) $(menudir) $(controldir)
	$(debugtarget)

binary-arch:	debian/files
	$(debugtarget)

.PHONY: clean build binary binary-arch binary-indep



#
# Rules for this package.
#

debian/files:	$(docdir) $(mandir) $(menudir) $(controldir) $(xbat_binary)

$(docdir):	$(xbat_docs) $(pkg_docs)

$(mandir):	$(manpage)

$(menudir):	$(menufile)

$(controldir):	$(controlfiles)

$(xbat_binary):	$(xbat_build)

$(xbat_build):	Makefile


#
# Commands for targets that build Debian-added parts of the package.
#

$(docdir):
	#
	# Install the documentation.
	#
	$(debugtarget)
	rm -rf $(docdir)
	$(make_directory) $(docdir)
	$(install_file) README $(docdir)/README
	$(install_file) README.jp $(docdir)/README.jp
	$(install_file) debian/README $(docdir)/README.Debian
	$(install_file) debian/changelog $(docdir)/changelog.Debian
	# Compress all docs,
	gzip -9rfq $(docdir)
	# except for the copyright file
	$(install_file) debian/copyright $(docdir)/copyright

$(mandir):
	#
	# Install the manpage.
	#
	$(debugtarget)
	rm -rf $(mandir)
	$(make_directory) $(mandir)/man6
	$(install_file) debian/xbat.6 $(mandir)/man6/xbat.6
	# Compress manpage
	gzip -9rfq $(mandir)/man6

$(menudir):
	#
	# Install the menufile for the debian menu system
	#
	$(debugtarget)
	rm -rf $(menudir)
	$(make_directory) $(menudir)
	$(install_file) debian/menufile $(menudir)/xbat

$(controldir):
	#
	# Install the package (de)installation scripts.
	#
	$(debugtarget)
	rm -rf $(controldir)
	$(make_directory) $(controldir)
	$(install_program) debian/postinst $(controldir)/postinst
	$(install_program) debian/postrm $(controldir)/postrm


#
# Commands for targets that build the program and install it.
#

Makefile:
	#
	# Generate Makefile from Imakefile template
	#
	$(debugtarget)
	rm -f Makefile
	xmkmf

$(xbat_build):
	#
	# Build the program from sources.
	#
	$(debugtarget)
	# With the right hints, make does all our work:
	$(MAKE) UNION=$(UNION) $(FHS_DEFINES) depend
	$(MAKE) UNION=$(UNION) $(FHS_DEFINES) xbat

$(xbat_binary):
	#
	# Install the actual program and data files.
	#
	$(debugtarget)
	# Make install with prefix DESTDIR.
	$(MAKE) $(FHS_DEFINES) DESTDIR=$(tmp) install
	# It is important that the user's saved highscore data is
	# replaced during package upgrades.  A template location
	# is created for the default highscore data.  Live data 
	# will be initialised with proper permissions and ownership 
	# by the postinst script at initial installation time.
	$(make_directory) $(scorelibdir)
	mv $(scorevardir)/* $(scorelibdir)


#
# Commands that create the Debian package binary.
#

debian/files: 
	#
	# Complete the Debian binary package from all the parts.
	#
	$(debugtarget)
	# Need root (or at least fakeroot):
	test root = "`whoami`" || (echo need root privileges; exit 1)
	# Fix some permissions set by the xbat Makefile: 
	chown -R root.root $(tmp)
	find $(tmp) -type d | xargs chmod 755 
	# (careful not touch the postinst etc.)
	find $(tmp) -type f | grep -v $(controldir) | xargs chmod 644 
	# Strip the compiled binaries:
	strip --strip-unneeded -R .comment $(xbat_binary)
	chmod 755 $(xbat_binary)
	# Have dpkg finish the package.
	dpkg-shlibdeps $(xbat_binary)
	dpkg-gencontrol -isp
	dpkg --build $(tmp) ..


#
# Commands for some cleanup targets. 
#

buildclean:
	#
	# Clean up the effects of compiling (building).
	#
	$(debugtarget)
	@# The Makefile may not even be there yet, catch error with "-"
	-$(MAKE) -i clean
	rm -f Makefile
	rm -f xbat *.o

binaryclean: 
	#
	# Clean up the effects of assembling a package.
	#
	$(debugtarget)
	rm -f debian/files* debian/substvars
	rm -rf $(tmp)

sourceclean: buildclean binaryclean
	#
	# Clean up everything, leaving pristine source.
	#
	$(debugtarget)
	rm -rf *~ .[^.]* debian/*~ debian/.[^.]*

.PHONY: sourceclean buildclean binaryclean



#
# Convenient target aliases.
#

configure config: Makefile
	$(debugtarget)

distclean pristine: sourceclean
	$(debugtarget)

.PHONY: distclean pristine configure config


# End of debian/rules.