#!/usr/bin/make -f
# -*- makefile -*-
#
# Robert Leslie <rob@mars.org>
# modified for Postfix by LaMont Jones <lamont@debian.org>
# rewritten by Michael Tokarev <mjt@tls.msk.ru>

export SHELL = /bin/sh -e

export DEB_BUILD_MAINT_OPTIONS = hardening=+all optimize=+lto future=+lfs
# Extra hardening flags (level 3):
# https://developers.redhat.com/articles/2022/09/17/gccs-new-fortification-level
# https://fedoraproject.org/wiki/Changes/Add_FORTIFY_SOURCE%3D3_to_distribution_build_flags
export DEB_CPPFLAGS_MAINT_APPEND = -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=3
export DEB_LDFLAGS_MAINT_STRIP = -Wl,-Bsymbolic-functions

include /usr/share/dpkg/architecture.mk
include /usr/share/dpkg/buildflags.mk
include /usr/share/dpkg/buildtools.mk  # for ${CC}
include /usr/share/dpkg/pkg-info.mk
include /usr/share/dpkg/vendor.mk

# list of packages we build (cache it to avoid extra execs)
export POSTFIX_PACKAGES_2BUILD ?= $(shell dh_listpackages)

package=postfix
base=debian/${package}
prvlibdir=/usr/lib/postfix
daemondir=/usr/lib/postfix/sbin
docdir=/usr/share/doc/${package}

maps = cdb ldap lmdb mysql pcre pgsql sqlite

# sed ERE for postfix-files to select files for the doc package
docfiles-re = \$$(sample|readme|html)_directory

# common defines
CCARGS = \
	-DDEBIAN \
	-DMYORIGIN_FROM_FILE
CONFARGS = \
	CC="${CC}" \
	DEBUG='' \
	OPT="${CPPFLAGS} ${CFLAGS} ${LDFLAGS}"
AUXLIBS =

# shared libs and dynamic modules
# can add SHLIB_CFLAGS SHLIB_SUFFIX
CONFARGS += \
	PLUGIN_LD="${CC} -shared ${LDFLAGS}" \
	SHLIB_RPATH="-Wl,-rpath,${prvlibdir} ${LDFLAGS}" \
	shlib_directory=${prvlibdir} \
	shared=yes pie=yes dynamicmaps=yes

# optional stuff
CCARGS += \
	-DHAS_PCRE=2 $(shell pcre2-config --cflags) \
	-DHAS_LDAP \
	-DUSE_LDAP_SASL \
	-DHAS_SQLITE \
	-DHAS_CDB \
	-DHAS_LMDB \
	-DHAS_MYSQL -I/usr/include/mysql \
	-DHAS_PGSQL -I$(shell pg_config --includedir) \
	-DHAS_SQLITE \
	-DHAS_SSL -I/usr/include/openssl \
	-DUSE_SASL_AUTH -I/usr/include/sasl \
	-DUSE_CYRUS_SASL \
	-DUSE_TLS \

CONFARGS += \
	AUXLIBS_CDB="-lcdb" \
	AUXLIBS_LDAP="-lldap -llber" \
	AUXLIBS_LMDB="-llmdb" \
	AUXLIBS_MYSQL="-lmysqlclient" \
	AUXLIBS_PCRE="$(shell pcre2-config --libs8)" \
	AUXLIBS_PGSQL="-lpq" \
	AUXLIBS_SQLITE="-lsqlite3" \

AUXLIBS += -lssl -lcrypto -lsasl2 -lpthread

ifneq (,$(filter ${package}-mongodb,${POSTFIX_PACKAGES_2BUILD}))
maps += mongodb
CCARGS += -DHAS_MONGODB \
	-I/usr/include/libmongoc-1.0 -I/usr/include/libbson-1.0
CONFARGS += AUXLIBS_MONGODB="-lmongoc-1.0 -lbson-1.0"
endif

%:
	dh $@


override_dh_auto_configure:
	${MAKE} \
		CCARGS="${CCARGS}" \
		${CONFARGS} \
		AUXLIBS="${AUXLIBS}" \
		daemon_directory=${daemondir} \
		manpage_directory=/usr/share/man \
		readme_directory=${docdir} \
		html_directory=${docdir}/html \
	    makefiles

override_dh_auto_build-arch:
	@echo "blhc: ignore-line-regexp: .*for i in single_server\.o multi_server\.o trigger_server\.o master_proto\.o mail_flow\.o event_server\.o dgram_server\.o"

	dh_auto_build -a

	# remove unreproducible paths from makedefs.out
	#  '-ffile-prefix-map=/tmp/reprotest.DMXrtR/const_build_path/const_build_path=.'
	#  'SHLIB_ENV = LD_LIBRARY_PATH=/tmp/reprotest.DMXrtR/const_build_path/const_build_path/lib'
	sed -i 's@\s\+-ffile-prefix-map=\S\+=.\s\+@ @g' conf/makedefs.out
	sed -i 's@SHLIB_ENV = LD_LIBRARY_PATH=\S\+@SHLIB_ENV = /debian-build-path/lib@g' conf/makedefs.out

	sed "s:@DEB_VENDOR@:${DEB_VENDOR}:g" < debian/main.cf.in > meta/main.cf.debian
	sed "s:@DEB_VENDOR@:${DEB_VENDOR}:g" < conf/main.cf > meta/main.cf.dist

override_dh_auto_build-indep:
# man/Makefile.in does not support parallel builds
# on debian we can not create the same contents of the docs,
# since html2text on debian has -nobs forcibly enabled
	${MAKE} -j1 manpages meta/postfix-files

override_dh_auto_install:
# do nothing

override_dh_install-indep:
# note: actual docs goes to postfix package doc dir instead of postix-doc
# (dh_installdocs & dh_installexamples etc does magic on this)
	cp -p AAAREADME meta/README # rename
	dh_installdocs -p ${package}-doc \
		-XULTRIX_README -XMakefile \
		meta/README \
		RELEASE_NOTES-* \
		README_FILES/*_README \
		README_FILES/OVERVIEW \
		COMPATIBILITY \
		PORTING \
		html
	dh_installexamples -p ${package}-doc  examples/smtpd-policy \
		conf/access conf/aliases conf/canonical conf/generic conf/relocated \
		conf/transport conf/virtual conf/header_checks debian/mailqfmt.pl
# instead of grepping postfix-files, we can just create our own listing
# based on what we actually installed, with all renames and other stuff
	sed -nr -e '/ULTRIX|MACOSX|mantools/D' \
	        -e '/${docfiles-re}/p' \
		meta/postfix-files > meta/doc.files
	install -m0644 meta/doc.files -Dt ${base}-doc/etc/postfix/postfix-files.d/

define install-map
	install lib/postfix-$1.so -Dt ${base}-$1${prvlibdir}/
	grep '/postfix-$1\.so' meta/postfix-files > meta/$1.files
	install -m0644 meta/$1.files -Dt ${base}-$1/etc/postfix/postfix-files.d/
	{ echo '. /usr/share/postfix/postinst.functions' ; \
	  echo '[ configure != "$$1" ] || addmap $1' ; \
	} > ${base}-$1.postinst.debhelper
	{ echo '. /usr/share/postfix/postinst.functions' ; \
	  echo '[ remove != "$$1" -a purge != "$$1" ] || delmap $1' ; \
	} > ${base}-$1.prerm.debhelper
	dh_installdocs -p ${package}-$1 --link-doc=${package}
	for s in preinst postinst prerm postrm; do \
	    echo 'dpkg-maintscript-helper dir_to_symlink /usr/share/doc/${package}-$1 ${package} 3.9.1-7~ -- "$$@"' \
		>> ${base}-$1.$$s.debhelper ; \
	done

endef

override_dh_install-arch:
# base dirs
	dh_installdirs -p ${package} \
		etc/postfix \
		var/lib/postfix \
		var/spool/postfix \
		usr/sbin usr/bin \
		usr/share/postfix \
		${prvlibdir} \
		${daemondir} \
		etc/postfix/dynamicmaps.cf.d \
		etc/postfix/postfix-files.d \
		etc/postfix/sasl
# main binaries and libs:
	install -m0755 libexec/[a-z]* -t ${base}${daemondir}/
#   these 2 are hard links (see conf/postfix-files):
	ln ${base}${daemondir}/smtp ${base}${daemondir}/lmtp
	ln ${base}${daemondir}/qmgr ${base}${daemondir}/nqmgr
	install -m0755 bin/[a-z]* -t ${base}/usr/sbin/
	install -m0755 lib/libpostfix-*.so -t ${base}${prvlibdir}/
# additional links
	dh_link -p ${package} \
		usr/sbin/sendmail usr/bin/newaliases \
		usr/sbin/sendmail usr/bin/mailq \
		usr/sbin/sendmail usr/lib/sendmail \
		usr/sbin/rmail usr/bin/rmail
# configs etc
	install -m0644 \
		conf/makedefs.out \
		meta/main.cf.dist \
		meta/main.cf.debian \
		debian/main.cf.tls \
		meta/dynamicmaps.cf \
		-t ${base}/usr/share/postfix/
	install -m0644 conf/master.cf \
		-T ${base}/usr/share/postfix/master.cf.dist
	install -m0644 meta/main.cf.debian \
		-T ${base}/etc/postfix/main.cf.proto
	install -m0644 conf/master.cf \
		-T ${base}/etc/postfix/master.cf.proto
# postfix-files initial: omit docs, dynamic maps and LICENSE
	grep -E -v '(${docfiles-re})|/postfix-[a-z]*\.so:|LICENSE' \
		meta/postfix-files > debian/postfix-files
	sed -i '/makedefs\.out:/D' debian/postfix-files
# manpages
	dh_installman -p ${package} \
		man/man1/*.1 man/man5/*.5 rmail/rmail.8
	for f in man/man8/*.8; do \
	  sed '/^\.TH/s/ 8 / 8postfix /' $$f > ${base}/usr/share/$${f}postfix; \
	done
	sed -i 's|^\.so man8/smtp.8$$|&postfix|' \
		${base}/usr/share/man/man8/lmtp.8postfix
	sed -i s'|^\.so man8/bounce.8$$|&postfix|' \
		${base}/usr/share/man/man8/trace.8postfix \
		${base}/usr/share/man/man8/defer.8postfix
# fix manpage names in postfix-files
	sed -r -i \
		-e 's|(manpage_directory/man[15]/[^:]+\.[15]):|\1.gz:|' \
		-e 's|(manpage_directory/man8/[^:]+\.8):|\1postfix.gz:|' \
		debian/postfix-files
# list of files
	install -m0644 debian/postfix-files -Dt ${base}/etc/postfix/
# docs
	dh_installdocs -p ${package} RELEASE_NOTES
	dh_installchangelogs -p ${package} HISTORY
# dynamic maps
	$(foreach m, ${maps}, $(call install-map,$m))
# postfix-files final
	install -m0644 debian/postfix-files -Dt ${base}/etc/postfix/
	rm -f debian/postfix-files
# debian-specific and extra addons
	install -m0644 debian/functions -T ${base}/usr/share/postfix/postinst.functions
	sed 's/@MULTIARCH@/${DEB_HOST_MULTIARCH}/' debian/configure-instance.in > \
		${base}${prvlibdir}/configure-instance.sh
	chmod 0755 ${base}${prvlibdir}/configure-instance.sh
	echo ${package}:Provides=$(if $(filter ${DEB_VENDOR},Ubuntu),default-mta) \
		>> debian/${package}.substvars
	install -m0644 debian/postfix.ufw.profile -DT ${base}/etc/ufw/applications.d/postfix
	install -m0644 debian/rsyslog.conf -DT ${base}/etc/rsyslog.d/postfix.conf
	install -m0644 debian/postfix.insserv.conf -DT ${base}/etc/insserv.conf.d/postfix
	for file in \
		/etc/ppp/ip-up.d/postfix /etc/ppp/ip-down.d/postfix \
		/etc/network/if-up.d/postfix /etc/network/if-down.d/postfix \
		/etc/resolvconf/update-libc.d/postfix \
		/usr/lib/networkd-dispatcher/routable.d/postfix \
		/usr/lib/networkd-dispatcher/off.d/postfix \
		/usr/lib/NetworkManager/dispatcher.d/postfix \
	    ; do \
		install -m0755 debian/update-resolvconf -DT ${base}$$file; \
	done
	$(if $(filter ${DEB_VENDOR},Ubuntu),\
		install -m0644 debian/postfix.apport -DT ${base}/usr/share/apport/package-hooks/postfix.py)
	install -m0755 auxiliary/collate/collate.pl -T ${base}/usr/sbin/postfix-collate
	txt2man -t postfix-collate -r postfix-$(DEB_VERSION_UPSTREAM) \
		-d '$(shell date -d @$(SOURCE_DATE_EPOCH))' -s 1 \
		auxiliary/collate/README \
		> ${base}/usr/share/man/man1/postfix-collate.1
	install -m0755 auxiliary/qshape/qshape.pl -T ${base}/usr/sbin/qshape
	install -m0755 debian/postfix-add-filter debian/postfix-add-policy -t ${base}/usr/sbin/
	dh_installman -p ${package} debian/postfix-add-filter.8 debian/postfix-add-policy.8

override_dh_installsystemd-arch:
# postfix is (re)started by a dpkg trigger, so --no-start
# (but needs manual stop in preinst & prerm due to dh_installsystemd limitation)
	patch -i debian/postfix@.service.diff -o debian/postfix@.service debian/postfix.service
	dh_installsystemd -p ${package} --no-start postfix.service
	rm debian/postfix@.service
	{ echo '[ -z "$${DPKG_ROOT:-}" ] && [ upgrade = "$$1" ] && [ -d /run/systemd/system ] &&' ; \
	  echo '  deb-systemd-invoke stop postfix.service >/dev/null || :' ; } >> ${base}.preinst.debhelper
	{ echo '[ -z "$${DPKG_ROOT:-}" ] && [ remove = "$$1" ] && [ -d /run/systemd/system ] &&' ; \
	  echo '  deb-systemd-invoke stop postfix.service >/dev/null || :'; } >> ${base}.prerm.debhelper
	dh_installinit    -p ${package} --no-start
	{ echo '[ -z "$${DPKG_ROOT:-}" ] && [ upgrade = "$$1" ] && [ -x /etc/init.d/postfix ] &&' ; \
	  echo '  invoke-rc.d --skip-systemd-native postfix stop || :' ; } >> ${base}.preinst.debhelper
	{ echo '[ -z "$${DPKG_ROOT:-}" ] && [ remove = "$$1" ] && [ -x /etc/init.d/postfix ] &&' ; \
	  echo '  invoke-rc.d --skip-systemd-native postfix stop || :' ; } >> ${base}.prerm.debhelper
	dh_installsystemd -p ${package} --no-enable --no-start --name postfix-resolvconf

override_dh_installinit: # done in installsystemd

clean:
	[ ! -f conf/makedefs.out ] || ${MAKE} tidy
	dh_clean

# Below here is fairly generic really

newtemplate:
	debconf-updatepo

msgstats:
	@cd debian/po && for i in *.po; do x=$$(msgfmt --statistics $$i 2>&1); echo $$i $$x; done; rm -f messages.mo *.po~

msg-email:
	@podebconf-report-po