re PR target/28307 (pthread functions in libgcc not weak any more on Tru64 UNIX)

	PR target/28307
	* gthr-posix.h [SUPPORTS_WEAK && GTHREAD_USE_WEAK]
	(__gthrw_pragma): Provide default definition.
	(__gthrw2): Use it.
	* gthr-posix.c (__gthrw_pragma): Define.

From-SVN: r126255

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 713ae732a8cd5bef5f62b4976bbebd8ce1068784..8cab7064dc7d29cae895c6a83440ec0b9777596f 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,11 @@
+2007-07-03  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+       PR target/28307
+       * gthr-posix.h [SUPPORTS_WEAK && GTHREAD_USE_WEAK]
+       (__gthrw_pragma): Provide default definition.
+       (__gthrw2): Use it.
+       * gthr-posix.c (__gthrw_pragma): Define.
+
 2007-06-30  Alexandre Oliva  <aoliva@redhat.com>
 
        * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of

diff --git a/gcc/gthr-posix.c b/gcc/gthr-posix.c
index a8922c0c16bb7ecac6d6596e511077a6e90ad65c..e2d731ae407761d73479452c497489a7d0835452 100644 (file)
--- a/gcc/gthr-posix.c
+++ b/gcc/gthr-posix.c
@@ -1,6 +1,6 @@
 /* POSIX threads dummy routines for systems without weak definitions.  */
 /* Compile this one with gcc.  */
-/* Copyright (C) 2003, 2004, 2005 Free Software Foundation, Inc.
+/* Copyright (C) 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
 
 This file is part of GCC.
 
@@ -28,6 +28,7 @@ Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
 
 #include "tconfig.h"
 #include "tm.h"
+# define __gthrw_pragma(pragma) _Pragma (#pragma)
 /* Define so we provide weak definitions of functions used by libobjc only.  */
 #define _LIBOBJC_WEAK
 #include "gthr.h"
@@ -75,7 +76,7 @@ pthread_create (pthread_t *thread ATTRIBUTE_UNUSED,
 }
 
 int
-pthread_cancel(pthread_t thread ATTRIBUTE_UNUSED)
+pthread_cancel (pthread_t thread ATTRIBUTE_UNUSED)
 {
   return 0;
 }

diff --git a/gcc/gthr-posix.h b/gcc/gthr-posix.h
index 5b295197c4238acab80fec3d5bb9aa241b1576d3..a092c4b94637fd8356642d560d69435d80dad648 100644 (file)
--- a/gcc/gthr-posix.h
+++ b/gcc/gthr-posix.h
@@ -1,6 +1,6 @@
 /* Threads compatibility routines for libgcc2 and libobjc.  */
 /* Compile this one with gcc.  */
-/* Copyright (C) 1997, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
+/* Copyright (C) 1997, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
    Free Software Foundation, Inc.
 
 This file is part of GCC.
@@ -59,8 +59,12 @@ typedef pthread_mutex_t __gthread_recursive_mutex_t;
 #endif
 
 #if SUPPORTS_WEAK && GTHREAD_USE_WEAK
+# ifndef __gthrw_pragma
+#  define __gthrw_pragma(pragma)
+# endif
 # define __gthrw2(name,name2,type) \
-  extern __typeof(type) name __attribute__ ((__weakref__(#name2)));
+  extern __typeof(type) name __attribute__ ((__weakref__(#name2))); \
+  __gthrw_pragma(weak type)
 # define __gthrw_(name) __gthrw_ ## name
 #else
 # define __gthrw2(name,name2,type)