#!/usr/bin/make -f
# Sample debian/rules that uses debhelper. 
# This file is public domain software, originally written by Joey Hess.
#
# This version is for a hypothetical package that builds an
# architecture-dependant package, as well as an architecture-independent
# package.

# Uncomment this to turn on verbose mode. 
export DH_VERBOSE=1

buildname=$${build:-`$(SHELL) scripts/os-type`-`$(SHELL) scripts/arch-type`}

# Include dpatch stuff.
include /usr/share/dpatch/dpatch.make

DEBIAN:=$(shell pwd)/debian

CFLAGS := -g -Wall $(shell getconf LFS_CFLAGS) -D_LARGEFILE_SOURCE -fno-strict-aliasing

ifneq (,$(findstring noopt,$(DEB_BUILD_OPTIONS)))
CFLAGS += -O0
else
CFLAGS += -O2
endif

export CFLAGS

# Which packages should we build?
buildbasepackages=yes

builddaemonpackages=exim4-daemon-heavy
# If you want to build a daemon with a configuration tailored to YOUR special
# needs, call "fakeroot debian/rules unpack-configs", copy EDITME.exim4-light
# to EDITME.exim4-custom and modify it.
#
# If you want to create multiple custom packages with different names, use
# the script debian/create-custom-package [suffix].
#
# Afterwards EITHER disable the definition of builddaemonpackages 4 lines above
# by adding a hash-mark (#) at the start of the line and enable the one
# below instead by removing the hash-mark OR simply call
# "fakeroot debian/rules buildbasepackages=no builddaemonpackages=exim4-daemon-custom binary"
#builddaemonpackages=exim4-daemon-custom

# If you want to build a source-package that builds the custom daemon call
# "fakeroot debian/rules pack-configs" after customizing EDITME.exim4-custom

# If you remove exim4-daemon-light from buildpackages to prevent
# exim4-daemon-light from being built, you need to modify the build
# process to pull the helper binaries from the daemon package that you
# actually build. If you simply remove exim4-daemon-light here, you will
# end up with exim4-base sans binaries, which is most probably not what
# you intend to have.
ifeq ($(buildbasepackages),yes)
buildpackages=exim4-base exim4-daemon-light eximon4 $(builddaemonpackages)
else
buildpackages=$(builddaemonpackages)
endif

# generate -pexim4-base -peximon4 ... commandline for debhelper
dhbuildpackages=$(addprefix -p,$(buildpackages))
# exim4-daemon-light --> build-exim4-daemon-light/exim
daemonbinaries=$(addprefix build-,$(addsuffix /exim,$(builddaemonpackages)))
debiandaemonbinaries=$(addprefix $(DEBIAN)/,$(addsuffix /usr/sbin/exim4,$(builddaemonpackages)))

# get upstream-version from debian/changelog, i.e. anything until the first -
UPSTREAMVERSION	:=	$(shell dpkg-parsechangelog | sed -n '/^Version: /{s/^Version: \(.\+\)-[^-]\+/\1/;p;}')
MTACONFLICTS := $(shell cat debian/mtalist)

ifeq (,$(wildcard /usr/bin/po2debconf))
PO2DEBCONF := no
else
PO2DEBCONF := yes
endif

unpack-configs: unpack-configs-stamp
unpack-configs-stamp: patch-stamp
	patch -o EDITME.eximon exim_monitor/EDITME debian/EDITME.eximon.diff
	patch -o EDITME.exim4-light src/EDITME debian/EDITME.exim4-light.diff
	-for editme in debian/EDITME.exim4-*.diff; do \
	  if [ "$$editme" != "debian/EDITME.exim4-light.diff" ]; then \
	    TARGETNAME=`basename $$editme .diff`; \
	    echo patch -o $$TARGETNAME EDITME.exim4-light $$editme; \
	    patch -o $$TARGETNAME EDITME.exim4-light $$editme; \
	  fi; \
	done
	touch unpack-configs-stamp

pack-configs: patch
	-diff -u src/EDITME EDITME.exim4-light > debian/EDITME.exim4-light.diff
	-for editme in EDITME.exim4-*; do \
	  if [ "$$editme" != "EDITME.exim4-light" ]; then \
	    echo diff -u EDITME.exim4-light $$editme; \
	    diff -u EDITME.exim4-light $$editme > debian/$${editme}.diff; \
	  fi; \
	done
	-diff -u exim_monitor/EDITME EDITME.eximon > debian/EDITME.eximon.diff

# only called manually by maintainer before upload.
update-mtaconflicts:
	which grep-available > /dev/null && \
		grep-available --show-field=Package --field=Provides \
		mail-transport-agent --no-field-names \
		/var/lib/apt/lists/*Packages | grep -v exim | sort -u | \
		tr '\n' ',' | sed -e 's/,/, /g;s/, $$//' > debian/mtalist

configure: configure-stamp

# the patches might change src/EDITME.
configure-stamp: patch-stamp unpack-configs-stamp
	dh_testdir
	# Add here commands to configure the package.
	touch configure-stamp

# Build binaries for the base package, the eximon4 package, and the
# exim4-daemon-light package.
build-exim4-daemon-light/exim: configure-stamp
	echo build-exim4-daemon-light
	dh_testdir

	rm -rf build-$(buildname)
	# Add here command to compile/build the package.
	mkdir -p Local
	cp EDITME.exim4-light Local/Makefile
	cp EDITME.eximon Local/eximon.conf
	$(MAKE)
	mv build-$(buildname) build-exim4-daemon-light

build-exim4-daemon-custom/exim: configure-stamp
	echo build-exim4-daemon-custom
	dh_testdir

	rm -rf build-$(buildname)
	# Add here command to compile/build the package.
	mkdir -p Local
	cp EDITME.exim4-custom Local/Makefile
	$(MAKE) Local/Makefile configure
	# This is a kludge. The upstream Makefile should be fixed, really.
	$(MAKE) -C build-$(buildname) checklocalmake Makefile os.h os.c config.h buildpcre buildlookups buildrouters buildtransports buildauths exim
	mv build-$(buildname) build-exim4-daemon-custom

build-exim4-daemon-heavy/exim: configure-stamp
	echo build-exim4-daemon-heavy
	dh_testdir

	rm -rf build-$(buildname)
	# Add here command to compile/build the package.
	mkdir -p Local
	cp EDITME.exim4-heavy Local/Makefile
	$(MAKE) Local/Makefile configure
	# This is a kludge. The upstream Makefile should be fixed, really.
	$(MAKE) -C build-$(buildname) checklocalmake Makefile os.h os.c config.h buildpcre buildlookups buildrouters buildtransports buildauths exim
	mv build-$(buildname) build-exim4-daemon-heavy

build-indep: build-indep-stamp
build-indep-stamp:
	dh_testdir

	# Add here command to compile/build the arch indep package.
	# It's ok not to do anything here, if you don't need to build
	#  anything for this package.
	#/usr/bin/docbook-to-man debian/exim.sgml > exim.1

	touch build-indep-stamp

build-arch: build-arch-stamp

ifeq ($(buildbasepackages),yes)
build-arch-stamp: build-exim4-daemon-light/exim $(daemonbinaries)
else
build-arch-stamp: $(daemonbinaries)
endif
	dh_testdir
	touch build-arch-stamp

build: build-arch build-indep

clean: cleanfiles unpatch

cleanfiles:
	dh_testdir
	dh_testroot
	rm -f build-stamp configure-stamp installbase-stamp

	# Add here commands to clean up after the build process.
	-$(MAKE) clean
	-rm -rf build-* doc/tmp
	-rm -f EDITME.* Local/Makefile Local/eximon.conf unpack-configs-stamp
	-rm -f debian/debconf/exim4.conf.template debian/files

	#these are identical for all daemon-* and therefore symlinked
	@cd $(DEBIAN) && find . -maxdepth 1 \
		-regex '^\./exim4-daemon-.*\.\(postinst\|prerm\)$$' \
		-and -not -name 'exim4-daemon-light.*' -print0 \
		| xargs -0r rm -v
	
	pwd
	chmod 755 $(DEBIAN)/exim-gencert
ifeq ($(PO2DEBCONF),yes)
		# Compatibility with woody.
		echo 1 > debian/po/output
		for i in debian/*.templates.master ; do \
			po2debconf $$i > debian/`basename $$i .master`; \
		done
		rm -f debian/po/output
endif
	dh_clean podebconfize
	rm -rf Local
	# fix broken (0600) permissions in original tarball
	find OS doc scripts exim_monitor src util -perm -044 -or -print0 |\
		xargs -0r chmod -c og+r

installbase-stamp: build-exim4-daemon-light/exim
	dh_testdir
	dh_testroot
	dh_clean -k
	dh_installdirs

	rm -rf build-$(buildname)
	ln -s build-exim4-daemon-light build-$(buildname)
	$(MAKE) install \
		INSTALL_ARG=-no_symlink \
		inst_conf=$(DEBIAN)/exim4-base/usr/share/doc/exim4-base/examples/example.conf \
		inst_aliases=$(DEBIAN)/exim4-base/usr/share/doc/exim4-base/examples/aliases \
                inst_dest=$(DEBIAN)/exim4-base/usr/sbin
	sed -e 's,/[a-zA-Z/0-9.-]*exim4-base/examples/,/etc/,' \
		< $(DEBIAN)/exim4-base/usr/share/doc/exim4-base/examples/example.conf \
		> $(DEBIAN)/exim4-base/usr/share/doc/exim4-base/examples/example.conf.tmp
	mv $(DEBIAN)/exim4-base/usr/share/doc/exim4-base/examples/example.conf.tmp \
		$(DEBIAN)/exim4-base/usr/share/doc/exim4-base/examples/example.conf
	sed -e 's,PERL_COMMAND,/usr/bin/perl,' < src/convert4r4.src \
		> $(DEBIAN)/exim4-base/usr/sbin/exim_convert4r4
	chmod 755 $(DEBIAN)/exim4-base/usr/sbin/exim_convert4r4
	mv $(DEBIAN)/exim4-base/usr/sbin/exim \
		$(DEBIAN)/exim4-daemon-light/usr/sbin/exim4
	# fix permssions of /usr/sbin/exim4 if running with restrictive umask,
	# dh_fixperms sanitizes anything else
	chmod 4755 $(DEBIAN)/exim4-daemon-light/usr/sbin/exim4
	mv $(DEBIAN)/exim4-base/usr/sbin/eximon \
		$(DEBIAN)/eximon4/usr/sbin
	mv $(DEBIAN)/exim4-base/usr/sbin/eximon.bin \
		$(DEBIAN)/eximon4/usr/lib/exim4
	pod2man --center=EXIM4 --section=8 \
		$(DEBIAN)/exim4-base/usr/sbin/exipick \
		$(DEBIAN)/exim4-base/usr/share/man/man8/exipick.8
	pod2man --center=EXIM4 --section=8 \
		$(DEBIAN)/exim4-base/usr/sbin/eximstats \
		$(DEBIAN)/exim4-base/usr/share/man/man8/eximstats.8
	install -m755 $(DEBIAN)/syslog2eximlog $(DEBIAN)/exim4-base/usr/sbin/
	pod2man --center=EXIM4 --section=8 \
		$(DEBIAN)/syslog2eximlog \
		$(DEBIAN)/exim4-base/usr/share/man/man8/syslog2eximlog.8
	# if you change anything here, you will have to change
	# config-custom/debian/rules as well
	sed -e \
	"s/^UPEX4C_version=\"\"/UPEX4C_version=\"`dpkg-parsechangelog | sed -n '/^Version: /s/^Version: //p'`\"/" \
	< $(DEBIAN)/debconf/update-exim4.conf \
	> $(DEBIAN)/exim4-config/usr/sbin/update-exim4.conf
	chmod 755 $(DEBIAN)/exim4-config/usr/sbin/update-exim4.conf
	install -m 755 $(DEBIAN)/update-exim4defaults $(DEBIAN)/exim4-config/usr/sbin

	cd $(DEBIAN)/debconf/conf.d && \
		tar cf - `find \( -path '*/.svn/*' -prune \) -or \( -type f -print \)` | \
		{ cd $(DEBIAN)/exim4-config/etc/exim4/conf.d/ && \
		tar xf - ; }

	# ship a copy in examples
	# install -m644 debian/debconf/exim4.conf.template debian/exim4-config/usr/share/doc/exim4-config/examples/exim4.conf.template.debconf
	install -m644 debian/email-addresses debian/exim4-config/etc/
	install -m755 debian/ip-up.d debian/exim4-config/etc/ppp/ip-up.d/exim4
	install -m640 -oroot -groot debian/passwd.client $(DEBIAN)/exim4-config/etc/exim4/
	chmod 755 debian/debconf/update-exim4.conf.template
	CONFDIR=$(DEBIAN)/debconf debian/debconf/update-exim4.conf.template --nobackup --run
	# escape dashes in manpages
	cd $(DEBIAN)/exim4-base/usr/share/man/man8/ &&\
		perl -pi -e 's/(?<!\\)-/\\-/g' \
		syslog2eximlog.8 eximstats.8 exipick.8
#	dh_movefiles
	touch installbase-stamp


# This dependency expands to
#   debian/exim4-daemon-heavy/usr/sbin/exim4: build-exim4-daemon-heavy/exim
$(debiandaemonbinaries): $(DEBIAN)/%/usr/sbin/exim4: build-%/exim
	dh_testdir
	dh_testroot
	dh_installdirs
	install -m4755 -oroot -groot $< $@


podebconfize:
ifeq ($(PO2DEBCONF),yes)
	# let debhelper do po2debconf if it is new enough.
	if dh_testversion 4.1.16 >/dev/null 2>&1 ; then \
		for i in debian/*.templates.master ; do \
			cat $$i > debian/`basename $$i .master`; \
			touch --reference=$$i debian/`basename $$i .master` ; \
		done \
	fi
endif
	touch $@

# Build architecture-independent files here.
# this is just exim4-config and exim4.
binary-indep: build $(install) podebconfize
ifeq ($(buildbasepackages),yes)
	dh_testdir -i
	dh_testroot -i
	# upstream changelog is only in exim4-base
	dh_link -i
	dh_installchangelogs -i
	dh_installdocs -i
	dh_installexamples -i
	#dh_installmenu -i
	dh_installdebconf -i
	dh_installlogrotate -i
#	dh_installemacsen -i
	#dh_installpam -i
	#dh_installmime -i
#	dh_installinit -i
	dh_installcron -i
#	dh_installinfo -i
#	dh_undocumented -i
	dh_installman -i
	dh_install -i
	dh_strip -i
	dh_compress -i
	dh_fixperms -i -X/etc/exim4/passwd.client
#	dh_makeshlibs -i
	dh_installdeb -i
#	dh_perl -i
	dh_shlibdeps -i
	dh_gencontrol -i -- -VUpstream-Version=$(UPSTREAMVERSION) -VMTA-Conflicts="$(MTACONFLICTS)"
	dh_md5sums -i
	dh_builddeb -i
endif

# Build architecture-dependent files here.
ifeq ($(buildbasepackages),yes)
install=installbase-stamp $(debiandaemonbinaries)
else
install=$(debiandaemonbinaries)
endif

binary-arch: build $(install) podebconfize
	dh_testdir $(dhbuildpackages)
	dh_testroot $(dhbuildpackages)
	# symlink identical maintainerscripts
	@for i in $(builddaemonpackages) ; do \
		ln -sfv exim4-daemon-light.prerm \
			"$(DEBIAN)/$$i.prerm" ; \
		ln -sfv exim4-daemon-light.postinst \
			"$(DEBIAN)/$$i.postinst" ; \
	done
	# upstream changelog is only in exim4-base, the other packages include
	# a symlink
	dh_installchangelogs -pexim4-base doc/ChangeLog
	# remove "-pexim4-base" from "-pexim4-base -pexim4-daemon-light ..."
	dh_installchangelogs $(subst -pexim4-base,,$(dhbuildpackages))
	dh_installdocs $(dhbuildpackages)
	dh_installexamples $(dhbuildpackages)
	dh_installmenu $(dhbuildpackages)
	dh_installdebconf $(dhbuildpackages)
	dh_installlogrotate $(dhbuildpackages)
#	dh_installemacsen $(dhbuildpackages)
	dh_installpam $(dhbuildpackages)
	dh_installmime $(dhbuildpackages)
	dh_installinit $(dhbuildpackages) --noscripts --init-script=exim4
	dh_installcron $(dhbuildpackages)
#	dh_installinfo $(dhbuildpackages)
#	dh_undocumented $(dhbuildpackages)
	dh_installman $(dhbuildpackages)
	dh_install $(dhbuildpackages)
	dh_strip $(dhbuildpackages)
	dh_link $(dhbuildpackages)
	dh_compress $(dhbuildpackages)
	dh_fixperms $(dhbuildpackages) -Xusr/sbin/exim4
#	dh_makeshlibs $(dhbuildpackages)
	dh_installdeb $(dhbuildpackages)
#	dh_perl $(dhbuildpackages)
	dh_shlibdeps $(dhbuildpackages)
	dh_gencontrol $(dhbuildpackages) -- -VUpstream-Version=$(UPSTREAMVERSION) -VMTA-Conflicts="$(MTACONFLICTS)"
	dh_md5sums $(dhbuildpackages)
	dh_builddeb $(dhbuildpackages)

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