Merged revisions 256370 via svnmerge from

https://origsvn.digium.com/svn/asterisk/trunk

........
  r256370 | tilghman | 2010-04-06 14:28:42 -0500 (Tue, 06 Apr 2010) | 2 lines
  
  Mac OS X does not support comparing a mutex to its initializer.  Create a test for this.
........


git-svn-id: http://svn.digium.com/svn/asterisk/branches/1.6.1@256372 f38db490-d61c-443f-a65b-d21fe96a405b

1 files changed, 61 insertions, 1 deletions

diff --git a/configure b/configure
index 4ead1baf1..e2e31f50e 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
 #! /bin/sh
-# From configure.ac Revision: 242887 .
+# From configure.ac Revision: 242973 .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.61 for asterisk 1.6.
 #
@@ -17543,6 +17543,66 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
 
 
+# Can we compare a mutex to its initial value?
+# Generally yes on OpenBSD/FreeBSD and no on Mac OS X.
+{ echo "$as_me:$LINENO: checking whether we can compare a mutex to its initial value" >&5
+echo $ECHO_N "checking whether we can compare a mutex to its initial value... $ECHO_C" >&6; }
+cat >conftest.$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_mutex_t lock;
+	if ((lock) != ((pthread_mutex_t) PTHREAD_MUTEX_INITIALIZER)) {
+		return 0;
+	}
+	return 0
+  ;
+  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 "${ECHO_T}yes" >&6; }
+
+cat >>confdefs.h <<\_ACEOF
+#define CAN_COMPARE_MUTEX_TO_INIT_VALUE 1
+_ACEOF
+
+else
+  echo "$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.$ac_ext
+
 #if test "${cross_compiling}" = "no";
 #then
 #AC_MSG_CHECKING(for working epoll support)