#!/usr/bin/make -f

export DH_VERBOSE=1


# The magic debhelper rule:
%:
	dh $@ --buildsystem cmake --with python2,python3

include /usr/share/mpi-default-dev/debian_defaults
MPI:=$(ARCH_DEFAULT_MPI_IMPL)

DEB_HOST_MULTIARCH ?= $(shell dpkg-architecture -qDEB_HOST_MULTIARCH)
TMPDIR=$(CURDIR)/debian/tmp
LIBDIR=/usr/lib/${DEB_HOST_MULTIARCH}
PY2:=$(shell pyversions -d)
PY3:=$(shell py3versions -d)m

CXXFLAGS:=$(shell dpkg-buildflags --get CXXFLAGS) -fPIC

BUILD_DIRS:= debian/build-mpi-py2 debian/build-serial-py2 debian/build-mpi-py3 debian/build-serial-py3

CMAKE_FLAGS:= -DXDMF_SYSTEM_ZLIB=ON -DXDMF_SYSTEM_LIBXML2=ON -DXDMF_USE_BZIP2=ON -DXDMF_USE_GZIP=ON \
		-DXDMF_SYSTEM_HDF5=ON \
		-DXDMF_USE_RPATH=OFF \
		-DXDMF_BUILD_UTILS=ON \
		-DCMAKE_INSTALL_PREFIX=/usr \
		-DXDMF_WRAP_PYTHON=ON \
		-DXDMF_REGENERATE_WRAPPERS=ON \
		-DGZSTREAM_LIBRARY=$(LIBDIR)/libgzstream.so \
		-DBUILD_SHARED_LIBS=TRUE 

override_dh_auto_configure:
	mkdir -p $(BUILD_DIRS)
	(cd debian/build-serial-py2 &&  \
		HDF5_ROOT=$(LIBDIR)/hdf5/serial cmake ../.. \
		$(CMAKE_FLAGS) \
 		-DPYTHON_INCLUDE_PATH=/usr/include/$(PY2) \
		-DPYTHON_LIBRARY=$(LIBDIR)/lib$(PY2).so \
		-DXDMF_BUILD_MPI=OFF -DXDMF_SYSTEM_HDF5_IS_PARALLEL=OFF \
		-DHDF5_ROOT=$(LIBDIR)/hdf5/serial )
	(cd debian/build-serial-py3 &&  \
		HDF5_ROOT=$(LIBDIR)/hdf5/serial cmake ../.. \
		$(CMAKE_FLAGS) \
 		-DPYTHON_INCLUDE_PATH=/usr/include/$(PY3) \
		-DPYTHON_LIBRARY=$(LIBDIR)/lib$(PY3).so \
		-DXDMF_BUILD_MPI=OFF -DXDMF_SYSTEM_HDF5_IS_PARALLEL=OFF \
		-DHDF5_ROOT=$(LIBDIR)/hdf5/serial )
	(cd debian/build-mpi-py2 && \
		HDF5_ROOT=$(LIBDIR)/hdf5/$(MPI) cmake ../.. \
		$(CMAKE_FLAGS) \
 		-DPYTHON_INCLUDE_PATH=/usr/include/$(PY2) \
		-DPYTHON_LIBRARY=$(LIBDIR)/lib$(PY2).so \
		-DXDMF_BUILD_MPI=ON  -DXDMF_SYSTEM_HDF5_IS_PARALLEL=ON \
		-DHDF5_ROOT=$(LIBDIR)/hdf5/$(MPI) )
	(cd debian/build-mpi-py3 && \
		HDF5_ROOT=$(LIBDIR)/hdf5/$(MPI) cmake ../.. \
		$(CMAKE_FLAGS) \
 		-DPYTHON_INCLUDE_PATH=/usr/include/$(PY3) \
		-DPYTHON_LIBRARY=$(LIBDIR)/lib$(PY3).so \
		-DXDMF_BUILD_MPI=ON  -DXDMF_SYSTEM_HDF5_IS_PARALLEL=ON \
		-DHDF5_ROOT=$(LIBDIR)/hdf5/$(MPI) )

override_dh_auto_build:
	for p in $(BUILD_DIRS) ; do \
		$(MAKE) -C $$p ; done

override_dh_auto_test:
	@echo "Ignore; no tests present"

override_dh_auto_install:
	# should not be necessary; USE_RPATH=OFF not working ?
	for p in $(BUILD_DIRS) ; do \
		find $$p -name '*.so' -exec chrpath -d {} \; ; done
	# Assemble something workable from the 4 install dirs.
	$(MAKE) -C debian/build-mpi-py3 install DESTDIR=$(TMPDIR)
	# Add the (non-default) serial cases into a NoMpi subdirectory
	mkdir -p $(TMPDIR)/usr/lib/$(PY3)/xdmf/NoMpi $(TMPDIR)/usr/lib/$(PY2)/xdmf/NoMpi
	# standard shared libs into {serial,$MPI} directories as elswehere
	mkdir -p $(TMPDIR)/$(LIBDIR)/xdmf/serial $(TMPDIR)/$(LIBDIR)/xdmf/$(MPI)
	mv $(TMPDIR)/usr/lib/lib*	$(TMPDIR)/$(LIBDIR)/xdmf/$(MPI)
	cp debian/build-serial-py3/lib*.so debian/build-serial-py3/lib*.a $(TMPDIR)/$(LIBDIR)/xdmf/serial
	mv $(TMPDIR)/usr/lib/python/* $(TMPDIR)/usr/lib/$(PY3)/xdmf
	cp $(TMPDIR)/usr/lib/$(PY3)/xdmf/*.py $(TMPDIR)/usr/lib/$(PY2)/xdmf
	cp debian/build-mpi-py2/_*.so    $(TMPDIR)/usr/lib/$(PY2)/xdmf
	cp debian/build-serial-py2/_*.so $(TMPDIR)/usr/lib/$(PY2)/xdmf/NoMpi
	cp debian/build-serial-py3/_*.so $(TMPDIR)/usr/lib/$(PY3)/xdmf/NoMpi
	#mv $(TMPDIR)/usr/lib/libXdmf.so.3	      $(TMPDIR)/$(LIBDIR)/libXdmf.so.3.0
	#mkdir -p $(TMPDIR)/$(LIBDIR)/cmake
	#mv $(TMPDIR)/usr/lib/XdmfCMake	$(TMPDIR)/$(LIBDIR)/cmake
	#dh_link -p libxdmf-dev $(LIBDIR)/libXdmf.so.3.0	 $(LIBDIR)/libXdmf.so
	#dh_link -p libxdmf2 $(LIBDIR)/libXdmf.so.3.0	 $(LIBDIR)/libXdmf.so.3
	## https://bugs.launchpad.net/ubuntu/+source/xdmf/+bug/1154071
	#sed -e 's%@ARCH@%$(DEB_HOST_MULTIARCH)%' < debian/cmake.patch.in > debian/cmake.patch
	#(cd $(TMPDIR)/$(LIBDIR)/cmake/XdmfCMake && patch < ../../../../../../cmake.patch )
	mkdir -p $(TMPDIR)/usr/lib/$(PY2)/dist-packages $(TMPDIR)/usr/lib/$(PY3)/dist-packages
	mv $(TMPDIR)/usr/lib/$(PY2)/xdmf $(TMPDIR)/usr/lib/$(PY2)/dist-packages/xdmf
	mv $(TMPDIR)/usr/lib/$(PY3)/xdmf $(TMPDIR)/usr/lib/$(PY3)/dist-packages/xdmf
	touch $(TMPDIR)/usr/lib/$(PY2)/dist-packages/xdmf/__init__.py
	touch $(TMPDIR)/usr/lib/$(PY3)/dist-packages/xdmf/__init__.py

override_dh_auto_fixperms:
	dh_auto_fixperms
	find debian/libxdmf-dev -type f -exec chmod 644 {} \;

override_dh_auto_clean:
	dh_auto_clean
	rm -f debian/cmake.patch libsrc/gzstream
	-find $(CURDIR) -name CVS -exec rm -rf {} \;
	rm -rf $(BUILD_DIRS)