*** common/vtkJavaUtil.cxx.orig	Wed Jun 30 15:44:05 1999
--- common/vtkJavaUtil.cxx	Mon Feb 21 09:12:32 2000
***************
*** 81,90 ****
--- 81,93 ----
  #define VTK_GET_MUTEX()  vtk_get_mutex()
  #define VTK_RELEASE_MUTEX() vtk_release_mutex()
  #elif defined(__FreeBSD__) || defined(__linux__) || defined(sgi)
+ #define USE_PTHREADS
+ #ifdef USE_PTHREADS
  #include <pthread.h>
  pthread_mutex_t vtkGlobalMutex;
  #define VTK_GET_MUTEX()  pthread_mutex_lock(&vtkGlobalMutex)
  #define VTK_RELEASE_MUTEX() pthread_mutex_unlock(&vtkGlobalMutex)
+ #endif
  #else
  // for solaris
  #include <thread.h>