#!/usr/bin/make -f

export DH_VERBOSE=1
export DEB_BUILD_HARDENING=1
export DH_OPTIONS=-v

ifeq ($(WANT_SNMP), 1)
  USE_SNMP=--enable-snmp
  $(warning "DEBIAN: SNMP enabled, sorry for your inconvenience")
else
  $(warning "DEBIAN: SNMP disabled, see README.Debian")
endif

ifneq (,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
  DEBIAN_JOBS := $(subst parallel=,,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
endif

ifdef DEBIAN_JOBS
MAKEFLAGS += -j$(DEBIAN_JOBS)
endif

%:
	dh $@ --with=systemd,autoreconf --parallel --dbg-package=frr-dbg --list-missing

override_dh_auto_configure:
	# Frr needs /proc to check some BSD vs Linux specific stuff.
	# Else it fails with an obscure error message pointing out that
	# IPCTL_FORWARDING is an undefined symbol which is not very helpful.
	@if ! [ -d /proc/1 ]; then \
		echo "./configure needs a mounted /proc"; \
		exit 1; \
	fi

	if ! [ -e config.status ]; then \
	dh_auto_configure -- \
		--enable-exampledir=/usr/share/doc/frr/examples/ \
		--localstatedir=/var/run/frr \
		--sbindir=/usr/lib/frr \
		--sysconfdir=/etc/frr \
		$(USE_SNMP) \
		--enable-ospfapi=yes \
		--enable-vtysh=yes \
		--enable-isisd=yes \
		--enable-multipath=256 \
		--enable-user=frr \
		--enable-group=frr \
		--enable-vty-group=frrvty \
		--enable-configfile-mask=0640 \
		--enable-logfile-mask=0640 \
		--enable-werror \
		--enable-gcc-rdynamic \
		--with-libpam \
		--enable-systemd=yes \
		--enable-poll=yes \
		--enable-cumulus=yes \
		--enable-pimd=yes \
		--enable-dependency-tracking \
		--enable-bgp-vnc=no; \
	fi

override_dh_auto_build:
	#dh_auto_build
	$(MAKE)
	dh_auto_build -- -C doc draft-zebra-00.txt


	# doc/ is a bit crazy
ifeq ($(GENERATE_PDF), 1)
	dh_auto_build -- -C doc frr.pdf || true # pdfetex fails with exit code 1 but still produces a good looking .pdf
endif
	rm -vf doc/frr.info
	dh_auto_build -- -C doc frr.info
	rm -vf doc/frr.info.html*

override_dh_auto_test:

override_dh_auto_install:
	dh_auto_install

	# cleaning up the info dir
	rm -f debian/tmp/usr/share/info/dir*

	# install config files
	mkdir -p debian/tmp/etc/frr/
	perl -pi -e 's#^!log file #!log file /var/log/frr/#' debian/tmp/usr/share/doc/frr/examples/*sample*

	# installing the Frr specific SNMP MIB
ifeq ($(WANT_SNMP), 1)
	install -D -m 644 ./zebra/GNOME-PRODUCT-ZEBRA-MIB debian/tmp/usr/share/snmp/mibs/GNOME-PRODUCT-ZEBRA-MIB
else
	mkdir -p debian/tmp/usr/share/snmp/mibs/
endif

	# cleaning .la files
	sed -i "/dependency_libs/ s/'.*'/''/" debian/tmp/usr/lib/*.la

override_dh_systemd_start:
	dh_systemd_start frr.service

override_dh_systemd_enable:
	dh_systemd_enable frr.service

# backports
SRCPKG = frr
KNOWN_BACKPORTS = ubuntu12.04 ubuntu14.04 ubuntu16.04
ORIG_VERSION := $(shell dh_testdir && grep -E < configure.ac '^AC_INIT\(.*\)' \
		| cut -d, -f2 | xargs echo)
DEBIAN_VERSION := $(shell dh_testdir && \
		dpkg-parsechangelog -c1 < debian/changelog | \
		sed -rn 's/^Version: ?//p')
-include debian/backports/rules

ifneq ($(TARBALLDIR),)
# better error message on missing .orig.tar.gz
$(TARBALLDIR)/$(SRCPKG)_$(ORIG_VERSION).orig.tar.gz:
	@ echo "\`$(TARBALLDIR)/$(SRCPKG)_$(ORIG_VERSION).orig.tar.gz'" not \
		found and not generated by debian/rules. Provided you have the \
		necessary packages installed, you can generate it yourself via \
		"\"./bootstrap.sh && ./configure && make dist\"" \
		and renaming the resulting file.
	exit 1
endif # def TARBALLDIR