#!/usr/bin/make -f

PROLOG_ABI = $(shell swipl --abi_version | sed 's/^swipl-abi-//')

cmd = eye.pvm

# generate manpage with help2man from --help option of executable
_mkman = help2man $(if $3,--name "$(strip $3)") --no-info --no-discard-stderr --output $2 $1 \
 || { $1 --help; false; }

%:
	dh $@

override_dh_auto_build:
	swipl -o eye.pvm --emulator=/usr/bin/swipl -g main -c eye.pl -- --image $(cmd)
	$(call _mkman, ./$(cmd), debian/$(cmd).1, \
		Euler Yet another proof Engine (EYE) semantic web reasoning engine)

override_dh_installchangelogs:
	dh_installchangelogs RELEASE

# fix hashbang
execute_after_dh_installexamples:
	find debian/*/usr/share/doc/*/examples -type f -name test -print0 | \
		xargs -r0 sed -i -e '2s|^eye |eye.pvm |'

override_dh_gencontrol:
	dh_gencontrol -- -V"prolog:ABI=$(PROLOG_ABI)"