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

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

# Utility to get a literal space in GNU Make
space :=
space +=

# Ignore spurious editor backup files in orig tarball
export DH_ALWAYS_EXCLUDE
override DH_ALWAYS_EXCLUDE := $(subst $(space),:,$(strip $(DH_ALWAYS_EXCLUDE) \
	auxiliary/nmf/align1/el_wise_mul_div.cl~                              \
	auxiliary/nmf/align1/sub_wise.cl~                                     \
	examples/tutorial/iterative-ublas.cpp~                                \
	viennacl/linalg/lanczos.hpp~                                          \
	))

BUILDDIR := obj-$(shell dpkg-architecture -qDEB_BUILD_GNU_TYPE)

# Catch-all rule
%:
	dh $@ --without python-support --parallel

override_dh_auto_test: $(BUILDDIR)/test_compute_capability
	if $(BUILDDIR)/test_compute_capability; then                          \
	  dh_auto_test;                                                       \
	else                                                                  \
	  echo '== SKIPPING TESTS BECAUSE NO OPENCL CAPABILITY FOUND ==' >&2; \
	fi

# Utility program to determine compute-capability of the build host
$(BUILDDIR)/test_compute_capability: debian/test_compute_capability.c
	gcc -o $@ `dpkg-buildflags --get CFLAGS`                              \
	  `dpkg-buildflags --get LDFLAGS` $^ -lOpenCL