shadowm@nanacore:~/src/wesnoth% nm -C campaignd | fgrep SDL
                 U SDL_CondBroadcast
                 U SDL_CondSignal
                 U SDL_CondWait
                 U SDL_CondWaitTimeout
                 U SDL_CreateCond
                 U SDL_CreateMutex
                 U SDL_CreateThread
                 U SDL_Delay
                 U SDL_DestroyCond
                 U SDL_DestroyMutex
                 U SDL_GetError
                 U SDL_GetThreadID
                 U SDL_GetTicks
                 U SDL_mutexP
                 U SDL_mutexV
                 U SDLNet_AddSocket
                 U SDLNet_AllocSocketSet
                 U SDLNet_CheckSockets
                 U SDLNet_DelSocket
                 U SDLNet_FreeSocketSet
                 U SDLNet_Init
                 U SDLNet_Quit
                 U SDLNet_ResolveHost
                 U SDLNet_TCP_Accept
                 U SDLNet_TCP_Close
                 U SDLNet_TCP_GetPeerAddress
                 U SDLNet_TCP_Open
                 U SDLNet_TCP_Recv
                 U SDLNet_TCP_Send
                 U SDL_ThreadID
                 U SDL_WaitThread
0000000000440580 W std::vector<SDL_Thread*, std::allocator<SDL_Thread*> >::_M_insert_aux(__gnu_cxx::__normal_iterator<SDL_Thread**, std::vector<SDL_Thread*, std::allocator<SDL_Thread*> > >, SDL_Thread* const&)
00000000004404d0 W std::vector<SDL_Thread*, std::allocator<SDL_Thread*> >::~vector()
00000000004404d0 W std::vector<SDL_Thread*, std::allocator<SDL_Thread*> >::~vector()