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

DOPACKAGES = $(shell dh_listpackages)

ifneq (,$(filter python3-libxml2 python3-libxml2-dbg,$(DOPACKAGES)))
# The versions of python3 currently supported
PY3VERS=$(shell py3versions -s)
else
PY3VERS=
endif

export DEB_BUILD_MAINT_OPTIONS=hardening=+all
export DEB_CFLAGS_MAINT_APPEND = -Wall -O3
export DEB_LDFLAGS_MAINT_APPEND = -Wl,--as-needed

include /usr/share/dpkg/architecture.mk

TARGETS := main $(PYVERS) $(PYVERS:%=%-dbg) $(PY3VERS) $(PY3VERS:%=%-dbg)

CONFIGURE_FLAGS := --with-history --cache-file="$(CURDIR)/builddir/config.cache"

override_dh_auto_configure-arch: $(TARGETS:%=doconfigure-%)

override_dh_auto_configure-indep:
	dh_auto_configure -- --enable-rebuild-docs --without-python

doconfigure-%:
	dh_auto_configure --builddirectory=builddir/$(*) -- $(CONFIGURE_FLAGS)
	touch $@

doconfigure-main: CONFIGURE_FLAGS += --without-python --with-icu
doconfigure-python%: CONFIGURE_FLAGS += --with-python=/usr/bin/$(subst -dbg,,$(*)) --with-python-install-dir=/usr/lib/$(subst -dbg,,$(*))/dist-packages

dobuild-%: BUILD_DIR=builddir/$(*)
dobuild-%: doconfigure-%
	$(if $(filter $(BUILD_DIR),builddir/$(*)),,[ -d $(BUILD_DIR) ] || mv builddir/$(*)/python $(BUILD_DIR))
	dh_auto_build --builddirectory=$(BUILD_DIR) -- $(BUILD_FLAGS)

dobuild-python%: BUILD_DIR=builddir/main/$(*)
dobuild-python%: BUILD_FLAGS=libxml2mod_la_LIBADD='$$(mylibs)' \
    PYTHON_INCLUDES='$(shell $(DEB_HOST_GNU_TYPE)-$(*)-config --includes)' \
    PYTHON_LIBS='$(shell $(DEB_HOST_GNU_TYPE)-$(*)-config --ldflags)'
dobuild-python%-dbg: BUILD_FLAGS+=PYTHON_INCLUDES='$(shell $(DEB_HOST_GNU_TYPE)-$(*)-config --includes)' \
    PYTHON_LIBS='$(shell $(DEB_HOST_GNU_TYPE)-$(*)-config --ldflags)' \
    CFLAGS='$(CFLAGS) -Wall -g -O0' CPPFLAGS='$(CPPFLAGS)' LDFLAGS='$(LDFLAGS) \
    -L$(CURDIR)/debian/tmp/usr/lib/$(DEB_HOST_MULTIARCH)'

override_dh_auto_build-arch: $(TARGETS:%=dobuild-%)

override_dh_auto_build-indep:
	dh_auto_build -i

override_dh_auto_test-indep:
	: Skipping tests during indep build

override_dh_auto_clean:
	rm -rf builddir debian/tmp-dbg
	rm -f doconfigure-*
	dh_auto_clean

doinstall-main:
	dh_auto_install --builddirectory=builddir/main
	mv debian/tmp/usr/share/aclocal/libxml.m4 debian/tmp/usr/share/aclocal/libxml2.m4

override_dh_auto_install-arch: $(TARGETS:%=doinstall-%)
	find debian/tmp -name *.la -delete

override_dh_auto_install-indep:
	dh_auto_install -i

doinstall-python%-dbg:
	$(MAKE) -C builddir/main/python$(*)-dbg DESTDIR=$(CURDIR)/debian/tmp-dbg install-pythonLTLIBRARIES
	rename -v -f 's/(?<!_d)\.so$$/_d.so/' debian/tmp-dbg/usr/lib/python$(*)/*-packages/*.so

doinstall-python%:
	dh_auto_install --builddirectory=builddir/main/python$(*)

override_dh_installdocs:
	# Ignore Policy v3.9.7 §12.3 for now
	dh_installdocs --doc-main-package=libxml2-doc -p libxml2-doc
	dh_installdocs --remaining-packages
override_dh_installexamples:
	# Ignore Policy v3.9.7 §12.3 for now
	dh_installexamples --doc-main-package=libxml2-doc -p libxml2-doc
	dh_installexamples --remaining-packages

override_dh_compress:
	dh_compress -Xexamples/ -Xtutorial/ -Xhtml/ -X.html

override_dh_installchangelogs:
	dh_installchangelogs -k NEWS

override_dh_install-arch:
	dh_install -Npython3-libxml2-dbg
ifneq (,$(filter python3-libxml2-dbg,$(DOPACKAGES)))
	dh_install -ppython3-libxml2-dbg --sourcedir=debian/tmp-dbg
endif
	sed -i -e 's,/lib/$(DEB_HOST_MULTIARCH),/lib,' debian/libxml2-dev/usr/bin/xml2-config

override_dh_strip:
ifneq (,$(filter python3-libxml2 python3-libxml2-dbg,$(DOPACKAGES)))
	dh_strip -ppython3-libxml2 --dbg-package=python3-libxml2-dbg
endif
	# Do not strip the python*-*-dbg packages, the python-dbg interpreter likes them
	dh_strip --remaining-packages -Npython3-libxml2-dbg

override_dh_makeshlibs:
	dh_makeshlibs -a -V 'libxml2 (>= 2.9.8)' -- -c4


#  I need to specify all the targets (build, binary, clean, etc) as
#  otherwise dh may invoke them in a order that is not appropriate for the
#  build system (the -indep part is done in-tree because rebuilding the
#  docs out of tree is not supported.  And once an in-tree build is done no
#  out-of-tree builds can't be done, so we wouldn't be able to do the -arch
#  builds after the -indep one).
clean build-arch binary-arch build-indep binary-indep:
	dh $@

build: build-arch build-indep
binary: binary-arch binary-indep