static builds fail to link with the VLC module

libtool: link: g++  -fPIC -DPIC -shared -nostdlib /usr/lib/gcc/x86_64-linux-gnu/10/../../../x86_64-linux-gnu/crti.o /usr/lib/gcc/x86_64-linux-gnu/10/crtbeginS.o  misc/medialibrary/.libs/libmedialibrary_plugin_la-medialibrary.o misc/medialibrary/.libs/libmedialibrary_plugin_la-MetadataExtractor.o misc/medialibrary/.libs/libmedialibrary_plugin_la-entities.o misc/medialibrary/.libs/libmedialibrary_plugin_la-Thumbnailer.o misc/medialibrary/fs/.libs/libmedialibrary_plugin_la-device.o misc/medialibrary/fs/.libs/libmedialibrary_plugin_la-directory.o misc/medialibrary/fs/.libs/libmedialibrary_plugin_la-file.o misc/medialibrary/fs/.libs/libmedialibrary_plugin_la-fs.o misc/medialibrary/fs/.libs/libmedialibrary_plugin_la-devicelister.o misc/medialibrary/fs/.libs/libmedialibrary_plugin_la-util.o   -Wl,-rpath -Wl,/home/chouquette/dev/vlc/build/src/.libs -Wl,-rpath -Wl,/home/chouquette/dev/prefix/lib ../compat/.libs/libcompat.a ../src/.libs/libvlccore.so -lidn -ldl -ldbus-1 -L/home/chouquette/dev/prefix/lib -lmedialibrary -lsqlite3 -L/usr/lib/gcc/x86_64-linux-gnu/10 -L/usr/lib/gcc/x86_64-linux-gnu/10/../../../x86_64-linux-gnu -L/usr/lib/gcc/x86_64-linux-gnu/10/../../../../lib -L/lib/x86_64-linux-gnu -L/lib/../lib -L/usr/lib/x86_64-linux-gnu -L/usr/lib/../lib -L/usr/lib/gcc/x86_64-linux-gnu/10/../../.. -lstdc++ -lm -lc -lgcc_s /usr/lib/gcc/x86_64-linux-gnu/10/crtendS.o /usr/lib/gcc/x86_64-linux-gnu/10/../../../x86_64-linux-gnu/crtn.o  -pthread -g -O0 -fstack-protector-strong -Wl,-z -Wl,defs -pthread   -pthread -Wl,-soname -Wl,libmedialibrary_plugin.so -Wl,-retain-symbols-file -Wl,.libs/libmedialibrary_plugin.exp -o .libs/libmedialibrary_plugin.so
/usr/bin/ld: /home/chouquette/dev/prefix/lib/libmedialibrary.a(discoverer_DiscovererWorker.cpp.o): in function `std::thread::thread<void (medialibrary::DiscovererWorker::*)(), medialibrary::DiscovererWorker*, void>(void (medialibrary::DiscovererWorker::*&&)(), medialibrary::DiscovererWorker*&&)':
/usr/include/c++/10/thread:142: undefined reference to `pthread_create'
/usr/bin/ld: /home/chouquette/dev/prefix/lib/libmedialibrary.a(thumbnails_ThumbnailerWorker.cpp.o): in function `std::thread::thread<void (medialibrary::ThumbnailerWorker::*)(), medialibrary::ThumbnailerWorker*, void>(void (medialibrary::ThumbnailerWorker::*&&)(), medialibrary::ThumbnailerWorker*&&)':
/usr/include/c++/10/thread:142: undefined reference to `pthread_create'
/usr/bin/ld: /home/chouquette/dev/prefix/lib/libmedialibrary.a(parser_ParserWorker.cpp.o): in function `std::thread::thread<void (medialibrary::parser::Worker::*)(), medialibrary::parser::Worker*, void>(void (medialibrary::parser::Worker::*&&)(), medialibrary::parser::Worker*&&)':
/usr/include/c++/10/thread:142: undefined reference to `pthread_create'
/usr/bin/ld: /home/chouquette/dev/prefix/lib/libmedialibrary.a(utils_ModificationsNotifier.cpp.o): in function `std::thread::thread<void (medialibrary::ModificationNotifier::*)(), medialibrary::ModificationNotifier*, void>(void (medialibrary::ModificationNotifier::*&&)(), medialibrary::ModificationNotifier*&&)':
/usr/include/c++/10/thread:142: undefined reference to `pthread_create'
/usr/bin/ld: /home/chouquette/dev/prefix/lib/libmedialibrary.a(utils_ModificationsNotifier.cpp.o): in function `std::cv_status std::condition_variable::__wait_until_impl<std::chrono::duration<long, std::ratio<1l, 1000000000l> > >(std::unique_lock<std::mutex>&, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > const&)':
/usr/include/c++/10/condition_variable:209: undefined reference to `pthread_cond_clockwait'
collect2: error: ld returned 1 exit status

Can be reproduced with the contrib or with the repo installed manually, as long as the build is static