484d666485
When building with -flto, we need to use linker plugins.
In case of binutils' nm, it means to prefer gcc-nm if
available.
Like for ranlib and ar, prefer gcc-nm.
- replace AC_PATH_TOOL() by AC_CHECK_TOOLS(). That is consistent
with what we do for ar,ranlib and suggested on bgo#783311.
- instead of using the variable $BINUTILS_NM, replace it by
$NM, which is more common according to bgo#783311.
- Keep recognizing $BINUTILS_NM environment, which was introduced
by commit 8bc88bcc7c. This is purely to keep previous build
scripts working. Originally I named it "$BINUTILS_NM" because
using $NM in NetworkManager seemed confusing. But well...
https://bugs.gentoo.org/show_bug.cgi?id=620052
https://bugzilla.gnome.org/show_bug.cgi?id=782525
https://bugzilla.gnome.org/show_bug.cgi?id=783311
119 lines
2.3 KiB
Bash
Executable File
119 lines
2.3 KiB
Bash
Executable File
#!/bin/bash
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set -e
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set -o pipefail
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die() {
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echo "$@"
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exit 1
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}
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# generates the linker version script src/NetworkManager.ver
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# by looking at the symbols needed by the device and settings
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# plugins. Note that this depends on how NetworkManager and
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# the plugins are build. For example, compiling without
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# --with-more-asserts will yield less symbols.
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#
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# _build re-builds NetworkManager with relevant compile time
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# options to yield the most symbols.
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_build() {
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git clean -fdx
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./autogen.sh --enable-ld-gc --enable-ifcfg-rh --enable-ifupdown \
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--enable-ifnet --enable-ibft --enable-teamdctl --enable-wifi \
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--with-modem-manager-1 --with-ofono --with-more-asserts \
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--with-more-logging
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make -j20
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}
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_sort() {
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LANG=C sort -u
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}
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call_nm() {
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"${NM:-nm}" "$1" |
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sed -n 's/.* \([^ ]\) \([^ ]*\)$/\1 \2/p'
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}
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get_symbols_nm () {
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call_nm ./src/.libs/libNetworkManager.a |
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sed -n 's/^[tTDRB] //p' |
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_sort
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}
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get_symbols_explict() {
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cat <<EOF | _sort
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_IO_stdin_used
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EOF
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}
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get_symbols_missing() {
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(for f in $(find ./src/settings/plugins/*/.libs/ \
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./src/devices/*/.libs/ \
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./src/ppp/.libs/ -name '*.so'); do
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call_nm "$f" |
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sed -n 's/^\([U]\) \(\(nm_\|nmp_\|_nm\|NM\|_NM\).*\)$/\2/p'
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done) |
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_sort |
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grep -Fx -f <(get_symbols_explict) -v |
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grep -Fx -f <(get_symbols_nm)
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}
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pretty() {
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sed 's/.*/\t\0;/'
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}
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do_build() {
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do_update
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make
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}
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do_rebuild() {
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_build
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do_build
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}
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do_update() {
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do_generate > ./src/NetworkManager.ver
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}
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do_generate() {
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cat <<EOF
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# this file is generated by $0
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{
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global:
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$(get_symbols_missing | pretty)
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$(get_symbols_explict | pretty)
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local:
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*;
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};
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EOF
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}
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test -f ./src/.libs/libNetworkManager.a || die "must be called from NetworkManager \$(top_builddir) after building the tree"
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case "$1" in
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rebuild)
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do_rebuild
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;;
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build)
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do_build
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;;
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'--called-from-make')
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if test -z "${NM_BUILD_NO_CREATE_EXPORTS+x}"; then
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do_update
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else
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if test -f "./src/NetworkManager.ver"; then
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touch ./src/NetworkManager.ver
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fi
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fi
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;;
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update)
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do_update
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;;
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*)
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do_generate
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;;
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esac
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