#!/usr/bin/make -f

# FRRouting Configuration options
######################################
#
#    WANT_xxxx   --> Set to 1 for enable, 0 for disable
# The following are the defaults. They can be overridden by setting a
# env variable to a different value

# -Werror - don't enable this unless you're doing a dev package build
WANT_WERROR ?= 0

WANT_OSPFAPI ?= 1
WANT_BGP_VNC ?= 1
WANT_CUMULUS_MODE ?= 0
WANT_MULTIPATH ?= 1

# NOTES:
# If multipath is enabled (WANT_MULTIPATH=1), then set number of multipaths here
#    Please be aware that 0 is NOT disabled, but treated as unlimited

MULTIPATH ?= 256

# Set the following to the value required (or leave alone for the default below)
# WANT_FRR_USER is used for the username and groupname of the FRR user account

WANT_FRR_USER ?= frr
WANT_FRR_VTY_GROUP ?= frrvty

# Don't build PDF docs by default
# add build deps: texlive-latex-base, texlive-generic-recommended
GENERATE_PDF ?= 0

#
####################################

export DEB_BUILD_MAINT_OPTIONS = hardening=+all

ifeq ($(WANT_OSPFAPI), 1)
  USE_OSPFAPI=--enable-ospfapi=yes
else
  USE_OSPFAPI=--enable-ospfapi=no
endif

ifeq ($(WANT_BGP_VNC), 1)
  USE_BGP_VNC=--enable-bgp-vnc=yes
else
  USE_BGP_VNC=--enable-bgp-vnc=no
endif

USE_FRR_USER=--enable-user=$(WANT_FRR_USER)
USE_FRR_GROUP=--enable-group=$(WANT_FRR_USER)
USE_FRR_VTY_GROUP=--enable-vty-group=$(WANT_FRR_VTY_GROUP)

ifeq ($(WANT_MULTIPATH), 1)
  USE_MULTIPATH=--enable-multipath=$(MULTIPATH)
else
  USE_MULTIPATH=--disable-multipath
endif

ifeq ($(WANT_CUMULUS_MODE), 1)
  USE_CUMULUS=--enable-cumulus=yes
else
  USE_CUMULUS=--enable-cumulus=no
endif

ifeq ($(WANT_WERROR), 1)
  USE_WERROR=--enable-werror
else
  USE_WERROR=--disable-werror
endif

#
# generic debian options
#

ifneq (,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
  DEBIAN_JOBS := $(subst parallel=,,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
endif
ifdef DEBIAN_JOBS
MAKEFLAGS += -j$(DEBIAN_JOBS)
endif

ifneq (,$(filter terse,$(DEB_BUILD_OPTIONS)))
MAKE_SILENT="V=0"
export DH_VERBOSE=0
else
MAKE_SILENT="V=1"
export DH_VERBOSE=1
export DH_OPTIONS=-v
endif

#
# build profiles
#

ifeq ($(filter nodoc,$(DEB_BUILD_PROFILES)),)
  USE_DOC=--enable-doc --enable-doc-html
else
  USE_DOC=--disable-doc
endif

ifeq ($(filter pkg.frr.rtrlib,$(DEB_BUILD_PROFILES)),)
  USE_RPKI=--disable-rpki
else
  USE_RPKI=--enable-rpki
endif

ifeq ($(filter pkg.frr.snmp,$(DEB_BUILD_PROFILES)),)
  USE_SNMP=--disable-snmp
else
  USE_SNMP=--enable-snmp
endif

ifeq ($(filter pkg.frr.nosystemd,$(DEB_BUILD_PROFILES)),)
  DH_WITH_SYSTEMD=systemd,
  USE_SYSTEMD=--enable-systemd=yes
else
  DH_WITH_SYSTEMD=
  USE_SYSTEMD=--enable-systemd=no
endif

export PYTHON=python3

%:
	dh $@ --with=$(DH_WITH_SYSTEMD)autoreconf --parallel --dbg-package=frr-dbg

override_dh_auto_configure:
	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 \
		--with-vtysh-pager=/usr/bin/pager \
		$(USE_DOC) \
		$(USE_SNMP) \
		$(USE_OSPFAPI) \
		$(USE_MULTIPATH) \
		--disable-fpm \
		--disable-zeromq \
		$(USE_FRR_USER) $(USE_FRR_GROUP) \
		$(USE_FRR_VTY_GROUP) \
		--enable-configfile-mask=0640 \
		--enable-logfile-mask=0640 \
		$(USE_WERROR) \
		--with-libpam \
		$(USE_SYSTEMD) \
		$(USE_CUMULUS) \
		--disable-dependency-tracking \
		$(USE_BGP_VNC) \
		$(USE_RPKI) \
		$(shell dpkg-buildflags --export=configure); \
	fi

override_dh_auto_install:
	dh_auto_install

	sed -e '1c #!/usr/bin/python3' -i debian/tmp/usr/lib/frr/frr-reload.py

# let dh_systemd_* and dh_installinit do their thing automatically
ifeq ($(filter pkg.frr.nosystemd,$(DEB_BUILD_PROFILES)),)
	cp tools/frr.service debian/frr.service
endif
	cp tools/frr debian/frr.init

# 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*

# drop dev-only files
	find debian/tmp -name '*.la' -o -name '*.a' -o -name 'lib*.so' | xargs rm -f
	rm -rf debian/tmp/usr/include

# use installed js libraries
	-rm -f debian/tmp/usr/share/doc/frr/html/_static/jquery.js
	ln -s /usr/share/javascript/jquery/jquery.js debian/tmp/usr/share/doc/frr/html/_static/jquery.js
	-rm -f debian/tmp/usr/share/doc/frr/html/_static/underscore.js
	ln -s /usr/share/javascript/underscore/underscore.js debian/tmp/usr/share/doc/frr/html/_static/underscore.js

override_dh_auto_build:
	dh_auto_build -- $(MAKE_SILENT)

override_dh_missing:
	dh_missing --fail-missing

override_dh_auto_clean:
# we generally do NOT want a full distclean since that wipes both
# debianpkg/changelog and config.version
	if test -f Makefile; then make redistclean; fi