/usr/pkg/include/pthread.h:285: error: conflicting types for 'pthread_t'
/usr/include/pthread_types.h:71: error: previous declaration of 'pthread_t' was  
here
/usr/pkg/include/pthread.h:286: error: conflicting types for 'pthread_attr_t'
/usr/include/pthread_types.h:72: error: previous declaration of 'pthread_attr_t''
 was here
...
*** Error Code 1
Stop.