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

PY3 = $(shell py3versions -vd)
PY3VERS = $(shell py3versions -vr)

LAST_CHANGE = $(shell dpkg-parsechangelog -S Date)
BUILD_DATE  = $(shell LC_ALL=C date -u "+%B %d, %Y" -d "$(LAST_CHANGE)")

# build-time tests should be more reliable with these settings
# see https://github.com/mpi4py/setup-mpi/blob/master/setup-mpi.sh#L65
export OMPI_MCA_plm=isolated
export OMPI_MCA_rmaps_base_oversubscribe=true
export OMPI_MCA_btl_base_warn_component_unused=false
export OMPI_MCA_btl_vader_single_copy_mechanism=none

# Specify a specific version of MPI to use in the build, otherwise
# just use the default.
# MPI=.openmpi

export  http_proxy=http://127.0.0.1:9/
export  https_proxy=http://127.0.0.1:9/


# disable build tests for these arches:
# x32 consistently times out on tests
NO_TEST_ARCH_LIST = x32

empty :=
space := $(empty)$(empty)

# run tests, or not
RUNTEST=yes
ifneq (,$(findstring $(space)$(DEB_HOST_ARCH)$(space), $(space)$(NO_TEST_ARCH_LIST)$(space)))
  RUNTEST=no
endif
ifneq (,$(filter nocheck,$(DEB_BUILD_OPTIONS)))
  RUNTEST=no
endif

# hurd fails a couple of tests
# but hell, hurd needs all the help it can get, so let it pass
ARCH_IGNORE_FAILED_TESTS = hurd-i386

# normally, do not ignore test failures
IGNORE_FAILED_TESTS=/bin/false
ifneq (,$(findstring $(space)$(DEB_HOST_ARCH)$(space), $(space)$(ARCH_IGNORE_FAILED_TESTS)$(space)))
  IGNORE_FAILED_TESTS=/bin/true
endif

%:
	dh $@ --with python3,sphinxdoc --buildsystem pybuild

cythonize:
	@echo "D: removing previously generated by Cython sources"
	find -iname *.c | xargs grep -l 'Generated by Cython' | xargs -r rm
	python3 setup.py build_src

override_dh_autoreconf:
	dh_autoreconf debian/rules -- cythonize

override_dh_auto_build-arch:
	dh_auto_build $@ -- \
		--build-args "--mpicc=/usr/bin/mpicc$(MPI) --mpicxx=/usr/bin/mpicxx$(MPI)"

override_dh_auto_build-indep: override_dh_auto_build-arch
	PYTHONPATH=`pybuild --print "{build_dir}"` \
	 make -C docs/source/usrman/ html man info latexpdf SPHINXOPTS="-D today=\"$(BUILD_DATE)\""

override_dh_auto_install:
	dh_auto_install

	: # Remove python-mpi binaries
	find $(CURDIR)/debian/tmp -name python-mpi -delete
	find $(CURDIR)/debian/tmp -type d -empty -delete

override_dh_install-arch:
	dh_install
	: # create symlinks for .h files
	: # Can have python$$v symlink pointing to python3.?m or python3.?mu
	: # see #700995 for more details.  So first look where it points to
	: # and use that directory
	set -e; for v in $(PY3VERS); do \
	ABITAG=`python$$v -c "import sys; print(sys.abiflags)"`; \
	[ -d $(CURDIR)/debian/python3-mpi4py/usr/include/python$$v$$ABITAG ] || \
		mkdir -p $(CURDIR)/debian/python3-mpi4py/usr/include/python$$v$$ABITAG; \
		dh_link -ppython3-mpi4py usr/lib/python3/dist-packages/mpi4py/include/mpi4py usr/include/python$$v$$ABITAG/mpi4py; \
	done

override_dh_auto_test:
	set -e; \
	if [ "$(RUNTEST)" = "no" ]; then \
	  echo Build tests have been disabled; \
	else \
	  for vv in $(PY3VERS); do \
	  echo "I: testing using python$$vv"; \
	   echo "I: running tests with single process"; \
	   PYTHONPATH=`pybuild -p $$vv --print "{build_dir}"` \
	    /usr/bin/python$$vv $(CURDIR)/test/runtests.py -v || $(IGNORE_FAILED_TESTS); \
	   echo "I: running tests with MPI (5 processes)"; \
	   PYTHONPATH=`pybuild -p $$vv --print "{build_dir}"` \
	    mpirun -n 5 /usr/bin/python$$vv $(CURDIR)/test/runtests.py -fv || $(IGNORE_FAILED_TESTS); \
	  done; \
	fi

override_dh_sphinxdoc:
ifeq (,$(findstring nodoc,$(DEB_BUILD_OPTIONS)))
	dh_sphinxdoc -ppython-mpi4py-doc
endif

override_dh_installchangelogs:
	dh_installchangelogs CHANGES.rst

## Immediately useable documentation
override_dh_compress:
	dh_compress -X.py -X.html -X.css -X.jpg -X.txt -X.js -X.json -X.rtc -X.par -X.bin -Xobjects.inv -X.pdf

override_dh_dwz:
	echo "dh_dwz is currently deactivated since it generates an error: \".debug_line reference above end of section\""

override_dh_auto_clean:
	dh_auto_clean $@
	rm -rf `find -name build -type d`
	rm -rf `find -name _build -type d`
	rm -rf docs/source/usrman/reference

	: # Remove Cython generated files
	rm -f src/mpi4py.MPE.c src/mpi4py.MPI.c src/include/mpi4py/mpi4py.MPI_api.h

get-orig-dev-source:
	cd ../mpi4py-hg/; \
	uver=`sed -ne "/__version__/s,.*= *'\(.*\)' *$$,\1,gp" src/__init__.py`; \
	tarball=../tarballs/mpi4py_$$uver+hg`date +"20%y%m%d"`.orig.tar.gz; \
	echo "I: Generating $$tarball"; \
	hg archive --exclude 'misc' -t tgz $$tarball;