Index: configure
===================================================================
--- configure	(revision 177536)
+++ configure	(working copy)
@@ -1,5 +1,5 @@
 #! /bin/sh
-# From configure.ac Revision: 173130 .
+# From configure.ac Revision: 177162 .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.61 for asterisk 1.6.
 #
@@ -17180,7 +17180,61 @@
 rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
       conftest$ac_exeext conftest.$ac_ext
 
+{ echo "$as_me:$LINENO: checking for POSIX-compliant pthread initialization" >&5
+echo $ECHO_N "checking for POSIX-compliant pthread initialization... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <pthread.h>
+int
+main ()
+{
+pthread_once_t foo = PTHREAD_ONCE_INIT;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
+  { echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
 
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_POSIX_PTHREAD_ONCE_INIT 1
+_ACEOF
+
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	{ echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+
+
 { echo "$as_me:$LINENO: checking for compiler 'attribute pure' support" >&5
 echo $ECHO_N "checking for compiler 'attribute pure' support... $ECHO_C" >&6; }
 saved_CFLAGS="$CFLAGS"
Index: configure.ac
===================================================================
--- configure.ac	(revision 177536)
+++ configure.ac	(working copy)
@@ -476,6 +476,15 @@
 AC_MSG_RESULT(no)
 )
 
+AC_MSG_CHECKING(for POSIX-compliant pthread initialization)
+AC_LINK_IFELSE(
+AC_LANG_PROGRAM([#include <pthread.h>],
+                [pthread_once_t foo = PTHREAD_ONCE_INIT;]),
+AC_MSG_RESULT(yes)
+AC_DEFINE([HAVE_POSIX_PTHREAD_ONCE_INIT], 1, [Define to 1 if your pthread implementation initializes pthread_once_t POSIXly.]),
+AC_MSG_RESULT(no)
+)
+
 AST_GCC_ATTRIBUTE(pure)
 AST_GCC_ATTRIBUTE(malloc)
 AST_GCC_ATTRIBUTE(const)
Index: include/asterisk/autoconfig.h.in
===================================================================
--- include/asterisk/autoconfig.h.in	(revision 177536)
+++ include/asterisk/autoconfig.h.in	(working copy)
@@ -629,6 +629,10 @@
 /* Define to indicate the ${PORTAUDIO_DESCRIP} library version */
 #undef HAVE_PORTAUDIO_VERSION
 
+/* Define to 1 if your pthread implementation initializes pthread_once_t
+   POSIXly. */
+#undef HAVE_POSIX_PTHREAD_ONCE_INIT
+
 /* Define this to indicate the ${POW_DESCRIP} library */
 #undef HAVE_POW