Note: ldd can't handle dlopen'ed dependent libraries and these unresolved symbols
might be resolved by those. But this needs to be checked.
Reproducer: rpm -ql <packagename>| grep lib.*so | xargs ldd -r


tog-pegasus-2.5.1-10.FC6
undefined symbol: pthread_yield (/usr/lib/libpegclient.so.1)
undefined symbol: pthread_yield (/usr/lib/libpegexportclient.so.1)
undefined symbol: pthread_yield (/usr/lib/libpegcommon.so.1)
undefined symbol: pthread_create        (/usr/lib/libpegcommon.so.1)
undefined symbol: pthread_getspecific   (/usr/lib/libpegcommon.so.1)
undefined symbol: pthread_mutexattr_destroy     (/usr/lib/libpegcommon.so.1)
undefined symbol: pthread_key_create    (/usr/lib/libpegcommon.so.1)
undefined symbol: pthread_mutexattr_settype     (/usr/lib/libpegcommon.so.1)
undefined symbol: pthread_mutexattr_init        (/usr/lib/libpegcommon.so.1)
undefined symbol: pthread_mutex_trylock (/usr/lib/libpegcommon.so.1)
undefined symbol: pthread_join  (/usr/lib/libpegcommon.so.1)
undefined symbol: pthread_setspecific   (/usr/lib/libpegcommon.so.1)