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# Make sure that package build dependencies are installed
#
# Copyright (C) 2012, 2014, 2019 Patrick McDermott
#
# This file is part of opkbuild.
#
# opkbuild is free software: you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# opkbuild is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with opkbuild. If not, see <http://www.gnu.org/licenses/>.
set -eu
opkg_compare_versions_reference_status=
compare_versions()
{
local pkg_ver="${1}"
local dep_rel="${2}"
local dep_ver="${3}"
shift 3
# Older versions of opkg return 1 on a true comparison and 0 on a false
# comparison. "Classic"/Yocto opkg commit d55020a (opkg-lede commit
# 93de62b) reversed this. Compare the compare-versions exit status with
# a reference exit status from a true statement (1 << 2).
! "${OPKG}" compare-versions "${pkg_ver}" "${dep_rel}" "${dep_ver}"
# The "-e" setting is ignored while executing anything, including
# commands in a function, within the context of the condition of an "if"
# statement.
[ ${?} -eq ${opkg_compare_versions_reference_status} ]
}
check_dep()
{
local dep="${1}"
local dep_pkg=
local dep_rel=
local dep_ver=
local status=
local pkg_ver=
# Leave stdout for caller to collect.
ob_parse_dep -P dep_pkg -r dep_rel -v dep_ver -- "${dep}"
status="$("${OPKG}" status "${dep_pkg}")"
if ! printf '%s\n' "${status}" | grep '^Status: .* .* installed$' \
>/dev/null 2>&1; then
return 1
fi
if [ "x${dep_rel}" != 'x' ]; then
pkg_ver="$(printf '%s\n' "${status}" | \
sed -n 's/^Version: //p')"
if ! compare_versions "${pkg_ver}" "${dep_rel}" "${dep_ver}"
then
return 1
fi
fi
return 0
}
check_build_deps()
{
local deps=
local missing=
local dep=
ob_info "$(ob_get_msg 'checking_build_deps')"
deps="$(ob_get_source_parameter 'Build-Depends')"
deps="$(ob_reduce_deps -a "${OPK_HOST_ARCH}" \
-p "${OPK_HOST_PLAT}" -- "${deps}")"
deps="$(ob_substvars "${deps}")"
missing=''
IFS=','
for dep in ${deps}; do
unset IFS
if ! dep="$(check_dep "${dep}")"; then
missing="${missing}, ${dep}"
fi
done
unset IFS
missing="${missing#, }"
if [ "x${missing}" != 'x' ]; then
ob_error "$(ob_get_msg 'missing_build_deps')" "${missing}"
return 1
fi
return 0
}
main()
{
if ! ob_set_text_domain 'opkbuild'; then
printf '%s: Error: Failed to load locale messages\n' \
"${0##*/}" >&2
return 1
fi
ob_init_package '..' || return 1
ob_set_package_substvars ''
# See compare_versions() above.
# The "-e" setting is ignored for pipelines beginning with "!".
! "${OPKG}" compare-versions 1 '<<' 2
opkg_compare_versions_reference_status=${?}
check_build_deps || return ${?}
return 0
}
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