#!/usr/bin/make -f
# -*- makefile -*-

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

# This has to be exported to make some magic below work.
export DH_OPTIONS

# Enable hardening build flags
export DEB_BUILD_MAINT_OPTIONS=hardening=+all

# Don't fail when d/control doesn't match template
export PG_UPDATECONTROL=yes

# Disable PIE on Ubuntu xenial (causes "undefined reference to symbol 'roundf@@GLIBC_2.2.5'")
VENDOR_DERIVES_FROM_UBUNTU ?= $(shell dpkg-vendor --derives-from Ubuntu && echo yes)
DISTRIBUTION_RELEASE       := $(shell lsb_release -cs)

ifeq ($(VENDOR_DERIVES_FROM_UBUNTU),yes)
  ifneq (,$(filter $(DISTRIBUTION_RELEASE),xenial))
    export DEB_BUILD_MAINT_OPTIONS=hardening=+all,-pie
  endif
endif

include /usr/share/dpkg/architecture.mk
include /usr/share/dpkg/pkg-info.mk
include /usr/share/postgresql-common/pgxs_debian_control.mk

# Upstream version (including ~rcN) for symbols version
UPSTREAM_VERSION := $(shell echo $(DEB_VERSION_UPSTREAM) | sed -e 's/\+.*//')

MAJOR_VERSION = $(shell grep ^POSTGIS_MAJOR_VERSION Version.config | cut -d= -f2)
MINOR_VERSION = $(shell grep ^POSTGIS_MINOR_VERSION Version.config | cut -d= -f2)
MICRO_VERSION = $(shell grep ^POSTGIS_MICRO_VERSION Version.config | cut -d= -f2)
POSTGIS_VERSION = $(MAJOR_VERSION).$(MINOR_VERSION).$(MICRO_VERSION)
ifeq ($(POSTGIS_VERSION),..)
$(error Cannot detect Postgis version, fix debian/rules)
endif

# For the Postgres APT repository, we want to support multiple
# Postgres versions. However, docs and the JDBC jar only need to be
# built once - in the main directory.
NEWEST_POSTGRES_VERSION = $(shell pg_buildext supported-versions $(CURDIR) | tail -1)
ifeq ($(NEWEST_POSTGRES_VERSION),)
$(error Cannot detect Postgres version, check debian/pgversions and pg_buildext)
endif

OTHER_POSTGRES_VERSIONS = $(shell pg_buildext supported-versions $(CURDIR) \
	| grep -v "$(NEWEST_POSTGRES_VERSION)")

COMMON_CONFIGURE_ARGS = --host=$(DEB_HOST_GNU_TYPE) \
	--build=$(DEB_BUILD_GNU_TYPE) \
	--prefix=/usr \
	--exec-prefix=\$${prefix} \
	--docdir=\$${prefix}/share/doc \
	--mandir=\$${prefix}/share/man \
	--infodir=\$${prefix}/share/info \
	--without-interrupt-tests \
	--without-phony-revision

NJOBS := -j1
ifneq (,$(filter parallel=%,$(subst $(COMMA), ,$(DEB_BUILD_OPTIONS))))
NJOBS := -j$(subst parallel=,,$(filter parallel=%,$(subst $(COMMA), ,$(DEB_BUILD_OPTIONS))))
endif

%:
	dh $@

override_dh_autoreconf:
	dh_autoreconf ./autogen.sh

override_dh_auto_clean: debian/control
#	Clean all separate build directories.
	(set -ex; \
	for PGVER in $(OTHER_POSTGRES_VERSIONS); do \
		rm -rf $(CURDIR)/debian/build-$$PGVER; \
	done)

	[ ! -f GNUmakefile ] || $(MAKE) $(NJOBS) distclean || true
	[ ! -f GNUmakefile ] || $(MAKE) $(NJOBS) -C doc images-clean || true

#	Cleanup after the Makefile
	rm -f postgis/postgis_upgrade_20_minor.sql.in \
		raster/rt_pg/rtpostgis_drop.sql \
		raster/rt_pg/rtpostgis_upgrade_cleanup.sql

#	Cleanup auto-generated packaging control files
	rm -f $(CURDIR)/debian/postgresql-*-postgis-*.install
	rm -f $(CURDIR)/debian/postgresql-*-postgis-*-scripts.install
	rm -f $(CURDIR)/debian/postgresql-*-postgis-*-scripts.postinst
	rm -f $(CURDIR)/debian/postgresql-*-postgis-*-scripts.prerm
	rm -f loader/cunit/cu_tester
	rm -rf liblwgeom/cunit/.libs

override_dh_auto_configure:
#	Copy sources required to build extensions for all but the most
#	recent Postgres version. Unfortunately, Postgis doesn't support
#	vpath builds.
	(set -ex; \
	for PGVER in $(OTHER_POSTGRES_VERSIONS); do \
		mkdir $(CURDIR)/debian/build-$$PGVER; \
		for FILE in `ls $(CURDIR) | grep -v debian`; do \
			cp -a $$FILE $(CURDIR)/debian/build-$$PGVER; \
		done; \
	done)

#	PostGIS for the most recent PostgreSQL version
	@echo " ### configuring $(NEWEST_POSTGRES_VERSION) ###"
	./configure $(COMMON_CONFIGURE_ARGS) \
		--datadir=\$${prefix}/share/postgresql-$(NEWEST_POSTGRES_VERSION)-postgis \
		--with-pgconfig=/usr/lib/postgresql/$(NEWEST_POSTGRES_VERSION)/bin/pg_config

#	PostGIS for all older Postgres versions
	(set -e; \
	for PGVER in $(OTHER_POSTGRES_VERSIONS); do \
		echo " ### configuring $$PGVER ###"; \
		cd $(CURDIR)/debian/build-$$PGVER; \
		./configure $(COMMON_CONFIGURE_ARGS) \
			--datadir=\$${prefix}/share/postgresql-$$PGVER-postgis \
			--with-pgconfig=/usr/lib/postgresql/$$PGVER/bin/pg_config; \
	done)

override_dh_auto_build:
#	Create debhelper files for each Postgres major version
	(set -ex; \
	for PGVER in $(OTHER_POSTGRES_VERSIONS) $(NEWEST_POSTGRES_VERSION); do \
		for SUFFIX in .install -scripts.install -scripts.postinst -scripts.prerm; do \
			cat $(CURDIR)/debian/postgresql-generic-postgis$$SUFFIX.in \
				| sed -e "s/@PGVERSION@/$$PGVER/g" \
				> $(CURDIR)/debian/postgresql-$$PGVER-postgis-$(MAJOR_VERSION)$$SUFFIX; \
		done \
	done)

#	Build against the newest Postgres version
	@echo " ### building $(NEWEST_POSTGRES_VERSION) ###"
	$(MAKE) $(NJOBS)
	$(MAKE) $(NJOBS) -C doc

#	Build against all other Postgres versions
	(set -e; \
	for PGVER in $(OTHER_POSTGRES_VERSIONS); do \
		echo " ### building $$PGVER ###"; \
		$(MAKE) $(NJOBS) -C $(CURDIR)/debian/build-$$PGVER; \
	done)

#	Let PostGIS create a perl script from postgis_restore.pl.in
	$(MAKE) $(NJOBS) -C utils

#	Create a few SQL scripts that the Makefiles are not clever enough
#	to resolve, when building arch-indep only.
	$(MAKE) $(NJOBS) -C postgis postgis.sql postgis_upgrade.sql
	$(MAKE) $(NJOBS) -C raster/rt_pg rtpostgis.sql rtpostgis_upgrade.sql
	$(MAKE) $(NJOBS) -C topology topology.sql topology_upgrade.sql

#	This creates the required SQL scripts. Again, the Makefile is not
#	clever enough to run this before 'install'.
	$(MAKE) $(NJOBS) -C extensions

override_dh_auto_test:
ifeq (,$(filter nocheck,$(DEB_BUILD_OPTIONS)))
#   Run unit tests (against the newest Postgres version, first)
	echo " ### testing $(NEWEST_POSTGRES_VERSION) ###"
# Ignore test failure on problematic architectures
ifneq (,$(filter $(DEB_BUILD_ARCH),mips mips64el mipsel s390x alpha hppa hurd-i386 kfreebsd-i386 powerpc ppc64 sparc64))
	pg_virtualenv -v $(NEWEST_POSTGRES_VERSION) \
		make check RUNTESTFLAGS="-v" || echo "Ignoring test failures"
else
	pg_virtualenv -v $(NEWEST_POSTGRES_VERSION) \
		make check RUNTESTFLAGS="-v"
endif

#	Test against all other Postgres versions
ifneq (,$(filter $(DEB_BUILD_ARCH),mips mips64el mipsel s390x alpha hppa hurd-i386 kfreebsd-i386 powerpc ppc64 sparc64))
	set -e; \
	for PGVER in $(OTHER_POSTGRES_VERSIONS); do \
		echo " ### testing $$PGVER ###"; \
		pg_virtualenv -v $$PGVER \
			make -C $(CURDIR)/debian/build-$$PGVER check RUNTESTFLAGS="-v" || echo "Ignoring test failures"; \
	done
else
	set -e; \
	for PGVER in $(OTHER_POSTGRES_VERSIONS); do \
		echo " ### testing $$PGVER ###"; \
		pg_virtualenv -v $$PGVER \
			make -C $(CURDIR)/debian/build-$$PGVER check RUNTESTFLAGS="-v"; \
	done
endif
endif

override_dh_auto_install:
#	Install the most recent Postgres version. Note that we used to
#	install only utils and extensions. However, there are sql scripts
#	in postgis, raster and topology as well, which need to be
#	installed for the -scripts package(s).
	$(MAKE) $(NJOBS) install DESTDIR=$(CURDIR)/debian/tmp

#	Install all older Postgres versions.
	(set -e; \
	for PGVER in $(OTHER_POSTGRES_VERSIONS); do \
		$(MAKE) $(NJOBS) -C $(CURDIR)/debian/build-$$PGVER \
			install DESTDIR=$(CURDIR)/debian/tmp; \
	done)

#	Remove unversioned and unused files from address standardizer
	rm -fv debian/tmp/usr/share/postgresql/*/extension/address_standardizer.sql
	rm -fv debian/tmp/usr/share/postgresql/*/extension/address_standardizer_data_us.sql

#	Move extension control files to version-specific names
#	(otherwise, the -script packages from different major versions would conflict)
	(set -ex; \
	for PGVER in $(OTHER_POSTGRES_VERSIONS) $(NEWEST_POSTGRES_VERSION); do \
		for control in $(CURDIR)/debian/tmp/usr/share/postgresql/$$PGVER/extension/*.control; do \
			mv $$control $${control%.control}-$(MAJOR_VERSION).control; \
		done \
	done)

#	Compile and install docs
	$(MAKE) -C doc docs-install man-install \
		DESTDIR=$(CURDIR)/debian/tmp \
		PGSQL_DOCDIR=/usr/share/doc \
		PGSQL_MANDIR=/usr/share/man

#	Move binaries from the NEWEST_POSTGRES_VERSION build to the
#	'postgis' binary package.
	mkdir -p $(CURDIR)/debian/postgis/usr/bin
	mv $(CURDIR)/debian/tmp/usr/lib/postgresql/$(NEWEST_POSTGRES_VERSION)/bin/* \
		$(CURDIR)/debian/postgis/usr/bin/

#	Set executable bit for postgis_restore.pl
	chmod 755 $(CURDIR)/debian/*/usr/share/postgresql/*/contrib/postgis-*/postgis_restore.pl

#	De-duplicate upgrade scripts - using hard-links for exactly one
#	directory (so we don't generate cross-directory hard ones).
	(set -e; \
	for PGVER in $(OTHER_POSTGRES_VERSIONS) $(NEWEST_POSTGRES_VERSION); do \
		rdfind -makeresultsfile false -makehardlinks true \
			$(CURDIR)/debian/postgresql-$$PGVER-postgis-*-scripts/usr/share/postgresql/$$PGVER/extension; \
	done)

#	Don't include desktop file & application icons in scripts package
	rm -rf debian/postgresql-*-postgis-*-scripts/usr/share/postgresql/*/applications
	rm -rf debian/postgresql-*-postgis-*-scripts/usr/share/postgresql/*/icons

override_dh_install:
	$(RM) $(CURDIR)/debian/tmp/usr/lib/postgresql/*/bin/*
	$(RM) $(CURDIR)/debian/tmp/usr/share/doc/postgis/README.postgis
	$(RM) $(CURDIR)/debian/tmp/usr/share/doc/postgresql-doc-*/extension/README.address_standardizer

	dh_install --list-missing

override_dh_makeshlibs:
	dh_makeshlibs -Xusr/lib/postgis -- -v$(UPSTREAM_VERSION)

.PHONY: debian/control