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# Top-level build of packages for Novena PVT-1.
#
# Author: Rob Austein
# Copyright (c) 2015, SUNET
#
# Redistribution and use in source and binary forms, with or
# without modification, are permitted provided that the following
# conditions are met:
#
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in
#    the documentation and/or other materials provided with the
#    distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

# Building source and binary packages separately isn't strictly
# necessary, but simplifies fault isolation.
#
# This code optionally supports automatic generation of
# debian/changelog files.  Whether this is useful or not depends on
# the intended purpose of the resulting packages: if we're doing
# snapshots under cron, automatic changelogs are useful; if we're
# doing real releases, not so much.  Play this one by ear.
#
# We don't sign anything yet.  This will need fixing.

# Version of the software in human terms (major.minor)

export CRYPTECH_VERSION := 1.0

# Version suffix to add to package names.  The extra fields come from
# HEAD of the git superrepository.  The date field is primarily to
# make sure that versions sort into the correct order when fed to
# reprepro; the commit hash uniquely identifies the (base) version of
# the superrepository that generated the packages.  This won't help if
# somebody publishes packages generated with a modified version of the
# superrepository, so don't do that (add check for uncommitted # changes?)

HEAD_TIME := $(shell git show -s --format=%ct HEAD)
HEAD_HASH := $(shell git rev-parse HEAD)

CRYPTECH_PACKAGE_VERSION := ${CRYPTECH_VERSION}~${HEAD_TIME}~${HEAD_HASH}

# Command to generate a new changelog containing one entry.
# Does nothing if the changelog already exists.

DCH =	test -f debian/changelog || \
	EDITOR=true VISUAL=true TZ=UTC DEBEMAIL='APT Builder Robot <aptbot@cryptech.is>' \
	dch --create --package cryptech-novena-$(1) --newversion '${CRYPTECH_PACKAGE_VERSION}' \
	'Version ${CRYPTECH_VERSION} of Cryptech $(2) for the Novena PVT-1 development board.'

# Reprepro repository location and release codename.  The "reprepro"
# target will initialize this if it doesn't exist.
#
# Support for multiple distributions (codenames) not implemented yet.
# Not sure if there's any way to do it without generating separate
# packages for each codename (which would be rather tedious,
# particularly for the RTL package).

REPOSITORY := $(abspath ${HOME}/repository)
CODENAME   := wheezy


all: init sw rtl

init:
	git submodule update --init --recursive

sw:
	cd sw; $(call DCH,sw,software tools)
	cd sw; debuild -S -uc -us
	cd sw; debuild -b -uc -us -aarmhf

rtl:
	cd core; $(call DCH,rtl,RTL bitstream)
	cd core; debuild -S -uc -us
	cd core; debuild -b -uc -us -aarmhf

reprepro: ${REPOSITORY}/conf/distributions ${REPOSITORY}/conf/options
	for f in *.changes; do reprepro -b ${REPOSITORY} --ignore=wrongdistribution include    ${CODENAME} $$f; done

${REPOSITORY}/conf/distributions ${REPOSITORY}/conf/options:
	install -D reprepro-conf/$(notdir $@) ${REPOSITORY}/conf/$(notdir $@)

.PHONY: all init sw rtl reprepro