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# Functions for matching architectures and platforms
#
# Copyright (C) 2012 Patrick "P. J." McDermott
#
# This file is part of the ProteanOS Development Kit.
#
# The ProteanOS Development Kit 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.
#
# The ProteanOS Development Kit 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 the ProteanOS Development Kit. If not, see
# <http://www.gnu.org/licenses/>.
[ "x${_ARCHPLAT_SM+set}" = 'xset' ] && return 0
_ARCHPLAT_SM=1
match_arch()
{
local arch="${1}"
local arch_field="${2}"
local a=
local a_ere=
for a in ${arch_field}; do
# "all" == "all"
if [ "${arch}" = 'all' ]; then
if [ "${a}" = 'all' ]; then
return 0
else
continue
fi
fi
# "foo-bar-baz" == "any"
if [ "${a}" = 'any' ]; then
return 0
fi
# Generate an ERE to match hyphenated architectures.
a_ere="$(printf '%s\n' "${a}" | sed \
's/^any-/[^-]+-/;s/-any-/-[^-]+-/g;s/-any$/-[^-]+/g')"
# "foo-bar-baz" == "foo-any-any"
if echo "${arch}" | grep -E "${a_ere}" >/dev/null 2>&1; then
return 0
fi
done
# Nothing matched.
return 1
}
match_plat()
{
local plat="${1}"
local plat_field="${2}"
local p=
for p in ${plat_field}; do
if [ "x${plat}" = 'xall' ]; then
if [ "x${p}" = 'xall' ]; then
return 0
else
continue
fi
fi
if [ "x${p}" = 'xany' ]; then
return 0
fi
if [ "x${p}" = "x${plat}" ]; then
return 0
fi
done
return 1
}
arch_is_concerned()
{
local host_arch="${1}"
local arches="${2}"
local arch=
local not_arch=
local seen_arch=
if [ "x${arches}" = 'x' ]; then
return 0
elif [ "x${host_arch}" = 'xall' ]; then
if [ "x${arches}" = 'xall' ]; then
return 0
else
return 1
fi
else
seen_arch=1
for arch in ${arches}; do
not_arch="${arch#!}"
if [ "x${not_arch}" != "x${arch}" ]; then
if match_arch "${host_arch}" "${not_arch}"
then
seen_arch=1
break
else
seen_arch=0
fi
elif match_arch "${host_arch}" "${arch}"; then
seen_arch=0
break
fi
done
return ${seen_arch}
fi
}
plat_is_concerned()
{
local host_plat="${1}"
local plats="${2}"
local plat=
local not_plat=
local seen_plat=
if [ "x${plats}" = 'x' ]; then
return 0
elif [ "x${host_plat}" = 'xall' ]; then
if [ "x${plats}" = 'xall' ]; then
return 0
else
return 1
fi
else
seen_plat=1
for plat in ${plats}; do
not_plat="${plat#!}"
if [ "x${not_plat}" != "x${plat}" ]; then
if match_plat "${host_plat}" "${not_plat}"
then
seen_plat=1
break
else
seen_plat=0
fi
elif match_plat "${host_plat}" "${plat}"; then
seen_plat=0
break
fi
done
return ${seen_plat}
fi
}
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