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|
#!/bin/bash
set -e
set -o pipefail
die() {
echo "$@"
exit 1
}
# generates the linker version script src/core/NetworkManager.ver
# by looking at the symbols needed by the device and settings
# plugins. Note that this depends on how NetworkManager and
# the plugins are build. For example, compiling without
# --with-more-asserts will yield less symbols.
_sort() {
LANG=C sort -u
}
call_nm() {
if [ -n "$from_meson" ]; then
"${NM:-nm}" "$1" |
sed -n 's/.* \([^ ]\) \([^ ]*\)$/\1 \2/p'
else
libtool=(${LIBTOOL:-libtool})
${libtool[@]} --mode=execute "${NM:-nm}" "$1" |
sed -n 's/.* \([^ ]\) \([^ ]*\)$/\1 \2/p'
fi
}
get_symbols_nm () {
base=./src/core/NetworkManager-all-sym
call_nm "$base" |
sed -n 's/^[tTDGRBS] //p' |
_sort
}
get_symbols_explicit() {
cat <<EOF | _sort
_IO_stdin_used
EOF
}
get_symbols_missing() {
(for f in $(find ./src/core/settings/plugins/*/${libs} \
./src/core/devices/*/${libs} \
./src/core/ppp/${libs} -name '*.so' 2>/dev/null); do
call_nm "$f" |
sed -n 's/^\([U]\) \(\(nm_\|nmp_\|_nm\|NM\|_NM\|nmtst_\|c_siphash_\|c_list_\).*\)$/\2/p'
done) |
_sort |
grep -Fx -f <(get_symbols_explicit) -v |
grep -Fx -f <(get_symbols_nm)
}
pretty() {
sed 's/.*/\t&;/'
}
do_update() {
do_generate > ./src/core/NetworkManager.ver
}
if [ -f "build.ninja" ]; then
from_meson=1
libs=
else
from_meson=
libs=.libs/
fi
SYMBOLS_MISSING="$(get_symbols_missing | pretty)"
SYMBOLS_EXPLICIT="$(get_symbols_explicit | pretty)"
do_generate() {
cat <<EOF
# this file is generated by $0
{
global:
$SYMBOLS_MISSING
$SYMBOLS_EXPLICIT
local:
*;
};
EOF
}
test -f ./src/core/${libs}libNetworkManager.a || die "must be called from NetworkManager top build dir after building the tree"
case "$1" in
--called-from-build)
if test -z "${NM_BUILD_NO_CREATE_EXPORTS+x}"; then
do_update
else
if test -f "./src/core/NetworkManager.ver"; then
touch ./src/core/NetworkManager.ver
fi
fi
;;
update)
do_update
;;
*)
do_generate
;;
esac
|
