Yes there is such an entry in my xbmc.log. Here's what it looks like:
01:13:50 T:892 M:1091379200 DEBUG: Dll pthreadGC2.dll was not found in path
01:13:50 T:892 M:1091375104 DEBUG: Unable to load referenced dll pthreadGC2.dll - Dll: Q:\system\players\dvdplayer\avcodec-51.dll
01:13:50 T:892 M:1091375104 DEBUG: Unable to resolve pthreadGC2.dll pthread_cond_broadcast
01:13:50 T:892 M:1091375104 DEBUG: Unable to resolve pthreadGC2.dll pthread_cond_destroy
01:13:50 T:892 M:1091375104 DEBUG: Unable to resolve pthreadGC2.dll pthread_cond_init
01:13:50 T:892 M:1091375104 DEBUG: Unable to resolve pthreadGC2.dll pthread_cond_signal
01:13:50 T:892 M:1091375104 DEBUG: Unable to resolve pthreadGC2.dll pthread_cond_wait
01:13:50 T:892 M:1091371008 DEBUG: Unable to resolve pthreadGC2.dll pthread_create
01:13:50 T:892 M:1091371008 DEBUG: Unable to resolve pthreadGC2.dll pthread_join
01:13:50 T:892 M:1091371008 DEBUG: Unable to resolve pthreadGC2.dll pthread_mutex_destroy
01:13:50 T:892 M:1091371008 DEBUG: Unable to resolve pthreadGC2.dll pthread_mutex_init
01:13:50 T:892 M:1091371008 DEBUG: Unable to resolve pthreadGC2.dll pthread_mutex_lock
01:13:50 T:892 M:1091371008 DEBUG: Unable to resolve pthreadGC2.dll pthread_mutex_unlock
01:13:50 T:892 M:1089777664 DEBUG: CThread:
taticThread, deleting thread graphic context
01:13:50 T:892 M:1089777664 DEBUG: Thread 892 terminating
I hope that helps.