#!/usr/bin/make -f
#export DH_VERBOSE=1

export DEB_BUILD_MAINT_OPTIONS = hardening=+all
export DEB_LDFLAGS_MAINT_APPEND = -Wl,--as-needed

DEB_HOST_GNU_TYPE   ?= $(shell dpkg-architecture -qDEB_HOST_GNU_TYPE)
DEB_BUILD_GNU_TYPE  ?= $(shell dpkg-architecture -qDEB_BUILD_GNU_TYPE)
DEB_HOST_MULTIARCH  ?= $(shell dpkg-architecture -qDEB_HOST_MULTIARCH)
DEB_HOST_ARCH       ?= $(shell dpkg-architecture -qDEB_HOST_ARCH)
DEB_HOST_ARCH_OS    ?= $(shell dpkg-architecture -qDEB_HOST_ARCH_OS)

VERSION = $(shell head -n1 debian/changelog | sed -e 's/.*(//;s/-.*).*//;s/\+/\-/')

ifeq ($(DEB_HOST_ARCH_OS),)
  DEB_HOST_ARCH_OS := $(subst -gnu,,$(shell dpkg-architecture -qDEB_HOST_GNU_SYSTEM))
  ifeq ($(DEB_HOST_ARCH_OS),gnu)
      DEB_HOST_ARCH_OS := hurd
  endif
endif

ifneq (,$(findstring debug,$(DEB_BUILD_OPTIONS)))
	CFLAGS += -g
endif
ifeq (,$(findstring nostrip,$(DEB_BUILD_OPTIONS)))
	INSTALL_PROGRAM += -s
	INSTALL_STRIP_FLAG = ""
	STRIP = ""
endif

%:
	dh $@ --parallel --with autotools_dev,systemd

override_dh_auto_configure:
	autoconf
	./configure --host=$(DEB_HOST_GNU_TYPE) --build=$(DEB_BUILD_GNU_TYPE) \
		--prefix=/usr \
		--libdir=\$${prefix}/lib/$(DEB_HOST_MULTIARCH) \
		--sysconfdir=/etc \
		--localstatedir=/var \
		--datadir=\$${prefix}/share \
		--mandir=\$${prefix}/share/man \
		--with-docdir=\$${prefix}/share/doc/libsane \
		--disable-locking \
		--enable-static \
		--enable-pthread \
		--with-gphoto2 \
		--enable-translations \
		--enable-avahi \
		--enable-libusb_1_0 \
		--enable-pnm-backend \
		--without-v4l

override_dh_auto_build-indep:
	# generate POT file for translators
	(cd po && make sane-backends.pot)
	$(MAKE)

override_dh_auto_clean:
	# Autoconf-generated files
	$(RM) include/byteorder.h include/_stdint.h
	# Add here commands to clean up after the build process.
	[ ! -f Makefile ] || $(MAKE) distclean
	$(RM) debian/libsane-common.install
	$(RM) debian/libsane.udev
	dh_auto_clean

override_dh_auto_install-arch:
	$(MAKE) install DESTDIR=$(CURDIR)/debian/tmp
	# remove /usr/lib/sane/libsane.so.1 (libtool side-effect ?)
	$(RM) debian/tmp/usr/lib/$(DEB_HOST_MULTIARCH)/sane/libsane.so.1
	# remove libsane-dll, same as regular libsane
	$(RM) debian/tmp/usr/lib/$(DEB_HOST_MULTIARCH)/sane/libsane-dll.*
	# install only the manpages for the backends which have been built
	cp debian/libsane-common.install.in debian/libsane-common.install
	ls debian/tmp/usr/lib/$(DEB_HOST_MULTIARCH)/sane/*.so | sed -e \
		"s#.*/lib\([^.]\+\)[.]so#usr/share/man/man5/\1.5#" | { while read mp; do \
		test -e debian/tmp/$$mp && echo $$mp >> debian/libsane-common.install; done }

override_dh_install-arch:
	dh_install
	# Install HAL fdi file
	mkdir -p $(CURDIR)/debian/libsane-common/usr/share/hal/fdi/preprobe/10osvendor
	$(CURDIR)/tools/sane-desc -s $(CURDIR)/doc/descriptions -m hal-new > \
	$(CURDIR)/debian/libsane-common/usr/share/hal/fdi/preprobe/10osvendor/20-libsane.fdi
	# Install the pkg-config file
	mkdir -p debian/libsane-dev/usr/lib/$(DEB_HOST_MULTIARCH)/pkgconfig/
	cp tools/sane-backends.pc debian/libsane-dev/usr/lib/$(DEB_HOST_MULTIARCH)/pkgconfig/
	#
	mkdir -p $(CURDIR)/debian//sane-utils/usr/share/man/man5/
	cp $(CURDIR)/doc/sane-umax_pp.man $(CURDIR)/debian/sane-utils/usr/share/man/man5/umax_pp.5

override_dh_installdocs-arch:
	dh_installdocs
	# move files that belong to libsane-dev
	mv debian/tmp/usr/share/doc/libsane/sane.ps debian/libsane-dev/usr/share/doc/libsane-dev/
	mv debian/tmp/usr/share/doc/libsane/backend-writing.txt debian/libsane-dev/usr/share/doc/libsane-dev/

override_dh_installdocs-indep:
	dh_installdocs
	# Platform-specific documentation
	# move the html files into html/
	install -d debian/libsane-common/usr/share/doc/libsane/html
	mv debian/tmp/usr/share/doc/libsane/*.html debian/libsane-common/usr/share/doc/libsane/html/
	# create the /etc/sane.d/dll.d directory in libsane-common
	install -d debian/libsane-common/etc/sane.d/dll.d
	$(RM) debian/libsane-common/etc/sane.d/saned.conf
ifeq (kfreebsd,$(DEB_HOST_ARCH_OS))
	cp README.freebsd debian/libsane-common/usr/share/doc/libsane/
endif
ifeq (linux,$(DEB_HOST_ARCH_OS))
	cp README.linux debian/libsane-common/usr/share/doc/libsane/
endif
	$(RM) $(CURDIR)/debian/libsane-common/usr/share/doc/libsane/*.html
	$(RM) $(CURDIR)/debian/tmp/usr/share/doc/libsane/*.html

override_dh_installudev-arch:
ifeq (linux,$(DEB_HOST_ARCH_OS))
	# udev support
	# Generate the udev rules file
	$(CURDIR)/tools/sane-desc -s $(CURDIR)/doc/descriptions -m udev+acl > $(CURDIR)/debian/libsane.udev
	dh_installudev
endif

	# remove rpath from the binaries (wonderful tool !)
	chrpath -d debian/sane-utils/usr/sbin/saned
	chrpath -d debian/sane-utils/usr/bin/scanimage
	chrpath -d debian/sane-utils/usr/bin/sane-find-scanner

override_dh_installinit-arch:
	dh_installinit -psane-utils --name=saned --error-handler=saned_eh

override_dh_systemd_enable-arch:
	dh_systemd_enable --no-enable saned.socket

override_dh_strip-arch:
	dh_strip --dbg-package=libsane-dbg

override_dh_makeshlibs-arch:
	dh_makeshlibs -- -v$(VERSION) -Pdebian/libsane -plibsane
	# Empty dependency_libs in all .la files
	find debian -name "*.la" -type f -exec sed -i "/dependency_libs/ s/'.*'/''/" -i {} \;