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

# Uncomment this to turn on verbose mode.
export DH_VERBOSE=1

# This has to be exported to make some magic below work.
export DH_OPTIONS

DPKG_EXPORT_BUILDFLAGS = 1
include /usr/share/dpkg/buildflags.mk

export DEB_CXXFLAGS_MAINT_APPEND=$(shell pkg-config --cflags hdf5-serial)
export DEB_LDFLAGS_MAINT_APPEND=$(shell pkg-config --libs hdf5-serial)

# parallel support
#NPROC ?= $(shell dh_assistant which-build-system| jq .parallel)
NPROC ?= $(shell nproc)  # for backport

MODULES         = annlib_adaptbx boost_adaptbx cbflib_adaptbx ccp4io_adaptbx cctbx cma_es crys3d dxtbx fable gltbx iotbx libtbx mmtbx omptbx rstbx scitbx smtbx spotfinder tbxx wxtbx
#MODULES_TODO    = gltbx
MODULES_FAKE    = annlib ccp4io

# avoid FTBFS when cctbx is already install edon the system (Debian specific)
export HIDE_INSTALLED_CCTBX=1

%:
	dh $@ --buildsystem=pybuild

annlib_adaptbx:
	cp -r debian/annlib_adaptbx annlib_adaptbx
	mkdir annlib

ccp4io_adaptbx:
	cp -r debian/ccp4io_adaptbx ccp4io_adaptbx
	mkdir ccp4io

gui_resources:
	cp -r debian/gui_resources gui_resources

setup.py : debian/setup.py
	cp -f $< $@

override_dh_auto_clean: setup.py annlib_adaptbx ccp4io_adaptbx gui_resources
	dh_auto_clean
	find . -name __pycache__ -type d -exec rm -rf {} \;
	rm -f setup.py
	rm -rf annlib annlib_adaptbx
	rm -rf ccp4io ccp4io_adaptbx
	rm -rf gui_resources

override_dh_auto_configure: setup.py annlib_adaptbx ccp4io_adaptbx gui_resources
	# configure the cctbx python modules
	dh_auto_configure

	# configure dxtbx python modules
	dh_auto_configure --sourcedirectory=dxtbx

	# configure the cctbx libtbx build system
	dh_auto_configure -- -s custom --configure-args="mkdir -p {build_dir}_ && cd {build_dir}_ \
		&& {interpreter} $(CURDIR)/libtbx/configure.py --build=debug --use_environment_flags --enable_cxx11 $(MODULES) $(MODULES_FAKE)"

override_dh_auto_build: setup.py annlib_adaptbx ccp4io_adaptbx gui_resources
ifeq ($(shell dpkg-architecture -qDEB_TARGET_ARCH_BITS), 64)
	# build the python modules
	dh_auto_build

	# build the dxtbx python module
	dh_auto_build --sourcedirectory=dxtbx

	# build the cctbx extensions and libraries
	dh_auto_build -- -s custom --build-args="cd {build_dir}_ && ./bin/libtbx.scons -j $(NPROC)"
	iconv -f ISO-8859-1 -t UTF-8 cctbx/eltbx/covalent_radii.h > covalent_radii.h
	mv covalent_radii.h cctbx/eltbx/covalent_radii.h

	# cp all extensions into the python build directory
	# special case for an extension used during test
	dh_auto_build -- -s custom --build-args="cp -f {build_dir}_/lib/*_ext.so {build_dir}_/scitbx/array_family/boost_python/regression_test_ext.so {build_dir}"

	# cp the dxtbx pybind11 extension at the right place.
	dh_auto_build -- -s custom --build-args="cp -f {build_dir}_/lib/dxtbx_flumpy.so {build_dir}"
else
	false
endif

override_dh_auto_install: setup.py annlib_adaptbx ccp4io_adaptbx gui_resources
	# install the cctbx python modules
	dh_auto_install

	# install the dxtbx python modules
	dh_auto_install --sourcedirectory=dxtbx

	# specific installation for the cctbx build directory
	dh_auto_install -- -s custom --install-args="debian/install-cctbx.sh -- --pyver={version} --srcdir=$(CURDIR) --builddir={build_dir}_ --modules='$(MODULES)'"

override_dh_link:
	dh_auto_build -- -s custom --build-args="dh_link -p libcctbx-dev usr/include/cctbx usr/lib/cctbx/python{version}/include"

override_dh_auto_test:
	# DOES NOT WORK, source code must be modified in order to find the expected
	# /usr/share/cctbx libtbx_env file during the build process

# target used to trace the embeded git repository used to build cctbx
# a bunche of modules are missing in the original git repository, so embed them for now
embed:
	# annlib_adaptbx
	-git clone http://github.com/cctbx/annlib_adaptbx annlib_adaptbx
	rm -rf annlib_adaptbx/.git*

	# cpp4io_adaptbx
	-git clone http://github.com/cctbx/ccp4io_adaptbx ccp4io_adaptbx
	rm -rf ccp4io_adaptbx/.git*

	# gui_resources
	-git clone http://github.com/cctbx/gui_resources gui_resources
	rm -rf gui_resources/.git*
	rm -rf gui_resources/icons
	rm -rf gui_resources/gl2ps

.PHONY: embed