text: 
  /*
   * Copyright (c) 2018 Ken Cunningham <kencu@macports.org>
   *
   * Permission to use, copy, modify, and distribute this software for any
   * purpose with or without fee is hereby granted, provided that the above
   * copyright notice and this permission notice appear in all copies.
   *
   * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   */
  
  #ifndef _MACPORTS_PTHREAD_IMPL_H_
  #define _MACPORTS_PTHREAD_IMPL_H_
  
  /* MP support header */
  #include "MacportsLegacySupport.h"
  
  /* Include the primary system pthread_impl.h */
  #include_next <pthread_impl.h>
  
  #if __MP_LEGACY_SUPPORT_PTHREAD_RWLOCK__
  /* PTHREAD_RWLOCK_INITIALIZER is not defined on Tiger */
  #ifndef _PTHREAD_RWLOCK_SIG_init
  #define _PTHREAD_RWLOCK_SIG_init    0x2DA8B3B4
  #endif
  #endif /* __MP_LEGACY_SUPPORT_PTHREAD_RWLOCK__  */
  
  #endif /* _MACPORTS_PTHREAD_IMPL_H_ */
  