pa-hpux10.h (THREAD_MODEL_SPEC): Define.

	* pa-hpux10.h (THREAD_MODEL_SPEC): Define.

	* gthr-dce.h (UNUSED): Attribute unused macro.
	(__gthread_key_dtor): Make arguments UNUSED.
	(__gthread_key_delete): Revise for compatibility with DRAFT4
	implementation.

From-SVN: r42157

gcc/ChangeLog

+2001-05-16  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+	* pa-hpux10.h (THREAD_MODEL_SPEC): Define.
+
+	* gthr-dce.h (UNUSED): Attribute unused macro.
+	(__gthread_key_dtor): Make arguments UNUSED.
+	(__gthread_key_delete): Revise for compatibility with DRAFT4
+	implementation.
+
 2001-05-16  David Edelsohn  <edelsohn@gnu.org>
 
 	* doc/install.texi: Update AIX information.

gcc/config/pa/pa-hpux10.h

 /* Definitions of target machine for GNU compiler, for HP PA-RISC 1.1
-   Copyright (C) 1995, 1996, 1997, 2000 Free Software Foundation, Inc.
+   Copyright (C) 1995, 1996, 1997, 2000, 2001 Free Software Foundation, Inc.
    Contributed by Tim Moore (moore@defmacro.cs.utah.edu)
 
 This file is part of GNU CC.
@@ -40,6 +40,9 @@ Boston, MA 02111-1307, USA.  */
      %{p: -L/lib/libp/ -lc}\
      %{pg: -L/lib/libp/ -lc}}"
 
+#undef THREAD_MODEL_SPEC
+#define THREAD_MODEL_SPEC "%{!threads:single}%{threads:dce}"
+
 /* Under hpux10, the normal location of the `ld' and `as' programs is the
    /usr/ccs/bin directory.  */
 

gcc/gthr-dce.h

 
 /* Compile this one with gcc.  */
-/* Copyright (C) 1997, 1999, 2000 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1999, 2000, 2001 Free Software Foundation, Inc.
 
 This file is part of GNU CC.
 
@@ -37,6 +37,12 @@ Boston, MA 02111-1307, USA.  */
 
 #include <pthread.h>
 
+#ifdef __cplusplus
+#define UNUSED(x) x
+#else
+#define UNUSED(x) x __attribute__((unused))
+#endif
+
 typedef pthread_key_t __gthread_key_t;
 typedef pthread_once_t __gthread_once_t;
 typedef pthread_mutex_t __gthread_mutex_t;
@@ -412,17 +418,26 @@ __gthread_key_create (__gthread_key_t *key, void (*dtor) (void *))
 }
 
 static inline int
-__gthread_key_dtor (__gthread_key_t key, void *ptr)
+__gthread_key_dtor (UNUSED (__gthread_key_t key), UNUSED (void *ptr))
 {
   /* Nothing needed. */
   return 0;
 }
 
+#if defined (__PTHREAD_LIBRARY_VERSION_1) && __PTHREAD_LIBRARY_VERSION_1 >= 1
 static inline int
 __gthread_key_delete (__gthread_key_t key)
 {
   return pthread_key_delete (key);
 }
+#else
+static inline int
+__gthread_key_delete (UNUSED (__gthread_key_t key))
+{
+  /* Operation is not supported.  */
+  return -1;
+}
+#endif
 
 static inline void *
 __gthread_getspecific (__gthread_key_t key)
@@ -469,4 +484,6 @@ __gthread_mutex_unlock (__gthread_mutex_t *mutex)
 
 #endif /* _LIBOBJC */
 
+#undef UNUSED
+
 #endif /* not __gthr_dce_h */