[Bug gcov-profile/52627] [4.8 Regression] Build of libgcc fails w/o __GTHREAD_MUTEX_INIT: error: 'mx' undeclared

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52627

Richard Guenther <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2012-03-20
         AssignedTo|unassigned at gcc dot       |rguenth at gcc dot gnu.org
                   |gnu.org                     |
   Target Milestone|---                         |4.8.0
     Ever Confirmed|0                           |1

--- Comment #1 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-03-20 09:46:57 UTC ---
Oops.  Can you try

Index: libgcc/libgcov.c
===================================================================
--- libgcc/libgcov.c    (revision 185562)
+++ libgcc/libgcov.c    (working copy)
@@ -713,7 +713,7 @@ __gthread_mutex_t __gcov_flush_mx ATTRIB
 static void
 init_mx (void)
 {
-  __GTHREAD_MUTEX_INIT_FUNCTION (&mx);
+  __GTHREAD_MUTEX_INIT_FUNCTION (&__gcov_flush_mx);
 }
 static void
 init_mx_once (void)

?