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|
#!@SH@
#
# opkhelper
# src/oh-shlibdeps.sh
# Find shared library dependencies.
#
# Copyright (C) 2019 Patrick "P. J." McDermott
#
# This program 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 2 of the License, or
# (at your option) any later version.
#
# This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
. '@pkgdatadir@/load.sm'
find_needed()
{
local elf="${1}"
shift 1
while IFS='' read -r lib; do
pkg="$('@OPKG@' search "${lib}" | sed 's/ - .*$//')"
if [ -z "${pkg}" ]; then
oh_warn "$(oh_msg 'shlib_no_pkg')" "${lib}"
else
printf '%s,\n' "${pkg}"
fi
done <<-EOF
$('@LDD@' "${elf}" | sed -n 's/^\t.* => \(.*\) (.*)$/\1/p' \
2>/dev/null)
EOF
# The above ldd's stderr is redirected to /dev/null to hide glibc ldd's
# "you do not have execution permission" warning.
}
find_elves()
{
local d="${1}"
shift 1
local file=
while IFS='' read -r file; do
if file "${file}" | grep -E 'ELF.*(executable|shared)' \
>/dev/null 2>&1; then
find_needed "${file}"
fi
done <<-EOF
$(find "${d}" -type f -a ! -path '*/debug/*' \
-a \( -name '*.so*' -o -perm '-a+x' \))
EOF
return 0
}
main()
{
local d=
oh_init
for d in *.data/; do
exec 3>"${d%.data/}.substvars"
printf 'Shlib-Depends:' >&3
printf ' %s' $(find_elves "${d}" | sort -u) >&3
exec 3>&-
done
return 0
}
main "${@}"
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