#!/usr/bin/make -f

export DH_VERBOSE=1

DEB_HOST_MULTIARCH ?= $(shell dpkg-architecture -qDEB_HOST_MULTIARCH)
VERSION:=$(shell dpkg-parsechangelog --show-field Version)
LIBDIR:=/usr/lib/$(DEB_HOST_MULTIARCH)
DESTDIR:=$(CURDIR)/debian/tmp
AUTOGENERATED:= caf-mpich.pc	caf-openmpi.pc \
	libcoarrays-openmpi-dev.postinst libcoarrays-openmpi-dev.prerm \
	libcoarrays-mpich-dev.postinst libcoarrays-mpich-dev.prerm \
	caf.openmpi caf.mpich

# Set default f95 compiler
F95 ?= /usr/bin/f95

GFORTRAN_VERSION:=$(readlink /usr/bin/gfortran)

# The magic debhelper  rule
%:
	dh $@ --buildsystem=cmake --no-parallel 

DEB_HOST_ARCH ?= $(shell dpkg-architecture -qDEB_HOST_ARCH)
# DISABLED_TESTS:= "powerpc alpha"

MPICH_CFLAGS=$(dpkg-buildpackage --get CFLAGS) $(shell pkg-config mpich --cflags)
MPICH_FCFLAGS=$(dpkg-buildpackage --get FCFLAGS) $(shell pkg-config mpich-fort --cflags)
OPENMPI_CFLAGS=$(dpkg-buildpackage --get CFLAGS) $(shell pkg-config ompi-c --cflags)
OPENMPI_FCFLAGS=$(dpkg-buildpackage --get FCFLAGS) $(shell pkg-config ompi-fort --cflags)

override_dh_auto_configure:
	for f in ${AUTOGENERATED} ; do \
                sed -e 's%@DEB_HOST_MULTIARCH@%${DEB_HOST_MULTIARCH}%g' < debian/$$f.in | \
		sed -e 's%@VERSION@%${VERSION}%g'   | \
		sed -e 's%@GFORTRAN_VERSION@%${GFORTRAN_VERSION}%g' > debian/$$f ; \
                done
	CXX=mpicxx.mpich CC=mpicc.mpich FC=mpif90.mpich  \
		dh_auto_configure --builddirectory=build-mpich -- \
			-DCAF_LIB_NAME=caf_mpich 
	CXX=mpicxx.openmpi CC=mpicc.openmpi FC=mpif90.openmpi  \
		dh_auto_configure --builddirectory=build-openmpi -- 	\
			-DCAF_LIB_NAME=caf_openmpi
	#dh_auto_configure --builddirectory=build-mpich --  \
	#		-DMPI_C_COMPILER=mpicc.mpich -DMPI_Fortran_COMPILER=mpifort.mpich \
	#		-DCMAKE_C_FLAGS="$(MPICH_CFLAGS)" -DCMAKE_Fortran_FLAGS="$(MPICH_FCFLAGS)" \
	#		-DCAF_LIB_NAME=caf_mpich 
	#dh_auto_configure --builddirectory=build-openmpi -- \
	#		-DMPI_C_COMPILER=mpicc.openmpi -DMPI_Fortran_COMPILER=mpifort.openmpi \
	#		-DCMAKE_C_FLAGS="$(OPENMPI_CFLAGS)" -DCMAKE_Fortran_FLAGS="$(OPENMPI_FCFLAGS)" \
	#		-DCAF_LIB_NAME=caf_openmpi 

override_dh_auto_build:
	dh_auto_build --builddirectory=build-mpich
	dh_auto_build --builddirectory=build-openmpi

override_dh_auto_install:
	cp debian/caf.openmpi build-openmpi/bin/caf
	cp debian/caf.mpich build-mpich/bin/caf
	dh_auto_install --builddirectory=build-mpich
	dh_auto_install --builddirectory=build-openmpi
	rm  $(DESTDIR)/$(LIBDIR)/libopencoarrays_mod.a
	mkdir -p $(DESTDIR)/$(LIBDIR)/open-coarrays/mpich/lib $(DESTDIR)/$(LIBDIR)/open-coarrays/openmpi/lib/
	mv build-mpich/lib/$(DEB_HOST_MULTIARCH)/libopencoarrays_mod.a   $(DESTDIR)/$(LIBDIR)/open-coarrays/mpich/lib/libopencoarrays_mod_mpich.a
	mv build-openmpi/lib/$(DEB_HOST_MULTIARCH)/libopencoarrays_mod.a $(DESTDIR)/$(LIBDIR)/open-coarrays/openmpi/lib/libopencoarrays_mod_openmpi.a

override_dh_auto_clean:
	dh_clean
	rm -f $(patsubst %, debian/%, ${AUTOGENERATED})
	rm -rf build-*

override_dh_auto_test:
ifneq (,$(findstring  "$(DEB_HOST_ARCH)",$(DISABLED_TESTS)))
	@echo "Tests disabled on this arch: known failures being investigated"
else
	@echo "Tests may hang/timeout due to lack of processors. "
	-dh_auto_test --timeout 30
endif