Now compiles as a separate source file, so include appropriate

Objective-C headers.

From-SVN: r12217

gcc/objc/thr-decosf1.c

@@ -25,6 +25,8 @@ Boston, MA 02111-1307, USA.  */
    covered by the GNU General Public License.  */
 
 #include <pthread.h>
+#include <objc/thr.h>
+#include "runtime.h"
 
 /********
  *  This structure represents a single mutual exclusion lock.  Lock semantics

gcc/objc/thr-irix.c

@@ -29,6 +29,8 @@ Boston, MA 02111-1307, USA.  */
 #include <sys/sysmp.h>
 #include <sys/prctl.h>
 #include <ulocks.h>
+#include <objc/thr.h>
+#include "runtime.h"
 
 /********
  *  This structure represents a single mutual exclusion lock.  Lock semantics

gcc/objc/thr-mach.c

 /* GNU Objective C Runtime Thread Implementation
    Copyright (C) 1996 Free Software Foundation, Inc.
-
-Author: Galen C. Hunt (gchunt@cs.rochester.edu)
-Modified for Mach threads by: Bill Bumgarner <bbum@friday.com>
+   Contributed by Galen C. Hunt (gchunt@cs.rochester.edu)
+   Modified for Mach threads by Bill Bumgarner <bbum@friday.com>
 
 This file is part of GNU CC.
 
@@ -28,6 +27,8 @@ Boston, MA 02111-1307, USA.  */
 
 #include <mach/mach.h>
 #include <mach/cthreads.h>
+#include <objc/thr.h>
+#include "runtime.h"
 
 /********
  *  This structure represents a single mutual exclusion lock.  Lock semantics

gcc/objc/thr-os2.c

 /* GNU Objective C Runtime Thread Interface - OS/2 emx Implementation
    Copyright (C) 1996 Free Software Foundation, Inc.
-
-Author: Thomas Baier (baier@ci.tuwien.ac.at)
-
-This file is included into thread.c
+   Contributed by Thomas Baier (baier@ci.tuwien.ac.at)
 
 This file is part of GNU CC.
 
@@ -27,6 +24,9 @@ Boston, MA 02111-1307, USA.  */
    however invalidate any other reasons why the executable file might be
    covered by the GNU General Public License.  */
 
+#include <objc/thr.h>
+#include "runtime.h"
+
 #define INCL_DOSSEMAPHORES
 #define INCL_DOSPROCESS
 

gcc/objc/thr-posix.c

 /* GNU Objective C Runtime Thread Interface for POSIX compliant threads
    Copyright (C) 1996 Free Software Foundation, Inc.
-
-Author: Galen C. Hunt (gchunt@cs.rochester.edu)
-Modified for Linux & Pthreads: Kai-Uwe Sattler (kus@iti.cs.uni-magdeburg.de)
+   Contributed by Galen C. Hunt (gchunt@cs.rochester.edu)
+   Modified for Linux/Pthreads by Kai-Uwe Sattler (kus@iti.cs.uni-magdeburg.de)
 
 This file is part of GNU CC.
 
@@ -26,6 +25,8 @@ Boston, MA 02111-1307, USA.  */
    however invalidate any other reasons why the executable file might be
    covered by the GNU General Public License.  */
 
+#include <objc/thr.h>
+#include "runtime.h"
 #include <pthread.h>
 
 /********

gcc/objc/thr-single.c

@@ -24,6 +24,9 @@ Boston, MA 02111-1307, USA.  */
    however invalidate any other reasons why the executable file might be
    covered by the GNU General Public License.  */
 
+#include <objc/thr.h>
+#include "runtime.h"
+
 /********
  *  This structure represents a single mutual exclusion lock.  Lock semantics
  *  are detailed with the subsequent functions.  We use whatever lock is

gcc/objc/thr-solaris.c

 /* GNU Objective C Runtime Thread Interface
    Copyright (C) 1996 Free Software Foundation, Inc.
-   Cobnrtibuted by Galen C. Hunt (gchunt@cs.rochester.edu)
+   Contributed by Galen C. Hunt (gchunt@cs.rochester.edu)
 
 This file is part of GNU CC.
 
@@ -24,6 +24,7 @@ Boston, MA 02111-1307, USA.  */
    however invalidate any other reasons why the executable file might be
    covered by the GNU General Public License.  */
 
+#include <objc/thr.h>
 #include "runtime.h"
 
 #include <thread.h>

gcc/objc/thr-win32.c

@@ -25,6 +25,8 @@ Boston, MA 02111-1307, USA.  */
    covered by the GNU General Public License.  */
 
 #include <windows.h>
+#include <objc/thr.h>
+#include "runtime.h"
 
 /********
  *  This structure represents a single mutual exclusion lock.  Lock semantics