std::_GLIBCPP_*

[Kremp, Johannes]

i'm on hp-ux 10.20 and using gcc-3.0.4.

i want to link and got such messages:

/usr/ccs/bin/ld: Unsatisfied symbols:
   std::_GLIBCPP_mutex_address_init() (code)
   pthread_once (code)
   std::_GLIBCPP_mutex_init() (code)
   pthread_mutex_unlock (code)
   std::_GLIBCPP_once  (data)
   std::_GLIBCPP_mutex_address  (data)
   std::_GLIBCPP_mutex  (data)
   pthread_mutex_lock (code)
collect2: ld returned 1 exit status

which library must i linked in?
thanks for help

johannes