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diff --git a/gcc-4.2.1-5666.3/gcc/gthr-single.h b/gcc-4.2.1-5666.3/gcc/gthr-single.h
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--- a/gcc-4.2.1-5666.3/gcc/gthr-single.h
+++ /dev/null
@@ -1,258 +0,0 @@
-/* Threads compatibility routines for libgcc2 and libobjc. */
-/* Compile this one with gcc. */
-/* Copyright (C) 1997, 1999, 2000, 2004 Free Software Foundation, Inc.
-
-This file is part of GCC.
-
-GCC is free software; you can redistribute it and/or modify it under
-the terms of the GNU General Public License as published by the Free
-Software Foundation; either version 2, or (at your option) any later
-version.
-
-GCC is distributed in the hope that it will be useful, but WITHOUT ANY
-WARRANTY; without even the implied warranty of MERCHANTABILITY or
-FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
-for more details.
-
-You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING. If not, write to the Free
-Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301, USA. */
-
-/* As a special exception, if you link this library with other files,
- some of which are compiled with GCC, to produce an executable,
- this library does not by itself cause the resulting executable
- to be covered by the GNU General Public License.
- This exception does not however invalidate any other reasons why
- the executable file might be covered by the GNU General Public License. */
-
-#ifndef GCC_GTHR_SINGLE_H
-#define GCC_GTHR_SINGLE_H
-
-/* Just provide compatibility for mutex handling. */
-
-typedef int __gthread_mutex_t;
-typedef int __gthread_recursive_mutex_t;
-
-#define __GTHREAD_MUTEX_INIT 0
-
-#ifdef __cplusplus
-#define UNUSED(x)
-#else
-#define UNUSED(x) x __attribute__((unused))
-#endif
-
-#ifdef _LIBOBJC
-
-/* Thread local storage for a single thread */
-static void *thread_local_storage = NULL;
-
-/* Backend initialization functions */
-
-/* Initialize the threads subsystem. */
-static inline int
-__gthread_objc_init_thread_system (void)
-{
- /* No thread support available */
- return -1;
-}
-
-/* Close the threads subsystem. */
-static inline int
-__gthread_objc_close_thread_system (void)
-{
- /* No thread support available */
- return -1;
-}
-
-/* Backend thread functions */
-
-/* Create a new thread of execution. */
-static inline objc_thread_t
-__gthread_objc_thread_detach (void (* func)(void *), void * UNUSED(arg))
-{
- /* No thread support available */
- return NULL;
-}
-
-/* Set the current thread's priority. */
-static inline int
-__gthread_objc_thread_set_priority (int UNUSED(priority))
-{
- /* No thread support available */
- return -1;
-}
-
-/* Return the current thread's priority. */
-static inline int
-__gthread_objc_thread_get_priority (void)
-{
- return OBJC_THREAD_INTERACTIVE_PRIORITY;
-}
-
-/* Yield our process time to another thread. */
-static inline void
-__gthread_objc_thread_yield (void)
-{
- return;
-}
-
-/* Terminate the current thread. */
-static inline int
-__gthread_objc_thread_exit (void)
-{
- /* No thread support available */
- /* Should we really exit the program */
- /* exit (&__objc_thread_exit_status); */
- return -1;
-}
-
-/* Returns an integer value which uniquely describes a thread. */
-static inline objc_thread_t
-__gthread_objc_thread_id (void)
-{
- /* No thread support, use 1. */
- return (objc_thread_t) 1;
-}
-
-/* Sets the thread's local storage pointer. */
-static inline int
-__gthread_objc_thread_set_data (void *value)
-{
- thread_local_storage = value;
- return 0;
-}
-
-/* Returns the thread's local storage pointer. */
-static inline void *
-__gthread_objc_thread_get_data (void)
-{
- return thread_local_storage;
-}
-
-/* Backend mutex functions */
-
-/* Allocate a mutex. */
-static inline int
-__gthread_objc_mutex_allocate (objc_mutex_t UNUSED(mutex))
-{
- return 0;
-}
-
-/* Deallocate a mutex. */
-static inline int
-__gthread_objc_mutex_deallocate (objc_mutex_t UNUSED(mutex))
-{
- return 0;
-}
-
-/* Grab a lock on a mutex. */
-static inline int
-__gthread_objc_mutex_lock (objc_mutex_t UNUSED(mutex))
-{
- /* There can only be one thread, so we always get the lock */
- return 0;
-}
-
-/* Try to grab a lock on a mutex. */
-static inline int
-__gthread_objc_mutex_trylock (objc_mutex_t UNUSED(mutex))
-{
- /* There can only be one thread, so we always get the lock */
- return 0;
-}
-
-/* Unlock the mutex */
-static inline int
-__gthread_objc_mutex_unlock (objc_mutex_t UNUSED(mutex))
-{
- return 0;
-}
-
-/* Backend condition mutex functions */
-
-/* Allocate a condition. */
-static inline int
-__gthread_objc_condition_allocate (objc_condition_t UNUSED(condition))
-{
- return 0;
-}
-
-/* Deallocate a condition. */
-static inline int
-__gthread_objc_condition_deallocate (objc_condition_t UNUSED(condition))
-{
- return 0;
-}
-
-/* Wait on the condition */
-static inline int
-__gthread_objc_condition_wait (objc_condition_t UNUSED(condition),
- objc_mutex_t UNUSED(mutex))
-{
- return 0;
-}
-
-/* Wake up all threads waiting on this condition. */
-static inline int
-__gthread_objc_condition_broadcast (objc_condition_t UNUSED(condition))
-{
- return 0;
-}
-
-/* Wake up one thread waiting on this condition. */
-static inline int
-__gthread_objc_condition_signal (objc_condition_t UNUSED(condition))
-{
- return 0;
-}
-
-#else /* _LIBOBJC */
-
-static inline int
-__gthread_active_p (void)
-{
- return 0;
-}
-
-static inline int
-__gthread_mutex_lock (__gthread_mutex_t * UNUSED(mutex))
-{
- return 0;
-}
-
-static inline int
-__gthread_mutex_trylock (__gthread_mutex_t * UNUSED(mutex))
-{
- return 0;
-}
-
-static inline int
-__gthread_mutex_unlock (__gthread_mutex_t * UNUSED(mutex))
-{
- return 0;
-}
-
-static inline int
-__gthread_recursive_mutex_lock (__gthread_recursive_mutex_t *mutex)
-{
- return __gthread_mutex_lock (mutex);
-}
-
-static inline int
-__gthread_recursive_mutex_trylock (__gthread_recursive_mutex_t *mutex)
-{
- return __gthread_mutex_trylock (mutex);
-}
-
-static inline int
-__gthread_recursive_mutex_unlock (__gthread_recursive_mutex_t *mutex)
-{
- return __gthread_mutex_unlock (mutex);
-}
-
-#endif /* _LIBOBJC */
-
-#undef UNUSED
-
-#endif /* ! GCC_GTHR_SINGLE_H */