PR c/43381

[pf3gnuchains/gcc-fork.git] / gcc / gthr-dce.h

diff --git a/gcc/gthr-dce.h b/gcc/gthr-dce.h
index 50b6fdb..4226359 100644 (file)
--- a/gcc/gthr-dce.h
+++ b/gcc/gthr-dce.h
@@ -7,7 +7,7 @@ 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
+Software Foundation; either version 3, or (at your option) any later
 version.
 
 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
@@ -15,17 +15,14 @@ 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.  */
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
 
-/* 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.  */
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+<http://www.gnu.org/licenses/>.  */
 
 #ifndef GCC_GTHR_DCE_H
 #define GCC_GTHR_DCE_H
@@ -40,6 +37,15 @@ Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
    DCE threads are based on POSIX threads draft 4, and many things
    have changed since then.  */
 
+/* Make sure CONST_CAST2 (original in system.h) is defined.  */
+#ifndef CONST_CAST2
+#ifdef __cplusplus
+#define CONST_CAST2(TOTYPE,FROMTYPE,X) (const_cast<TOTYPE> (X))
+#else
+#define CONST_CAST2(TOTYPE,FROMTYPE,X) ((__extension__(union {FROMTYPE _q; TOTYPE _nq;})(X))._nq)
+#endif
+#endif
+
 #define __GTHREADS 1
 
 #include <pthread.h>
@@ -465,7 +471,8 @@ __gthread_getspecific (__gthread_key_t __key)
 static inline int
 __gthread_setspecific (__gthread_key_t __key, const void *__ptr)
 {
-  return __gthrw_(pthread_setspecific) (__key, (void *) __ptr);
+  return __gthrw_(pthread_setspecific)
+    (__key, CONST_CAST2(void *, const void *, __ptr));
 }
 
 static inline void