-# serial 9 -*- Autoconf -*-
+# serial 10 -*- Autoconf -*-
# Enable extensions on systems that normally disable them.
# Copyright (C) 2003, 2006-2011 Free Software Foundation, Inc.
#ifndef _ALL_SOURCE
# undef _ALL_SOURCE
#endif
+/* Enable general extensions on MacOS X. */
+#ifndef _DARWIN_C_SOURCE
+# undef _DARWIN_C_SOURCE
+#endif
/* Enable GNU extensions on systems that have them. */
#ifndef _GNU_SOURCE
# undef _GNU_SOURCE
test $ac_cv_safe_to_define___extensions__ = yes &&
AC_DEFINE([__EXTENSIONS__])
AC_DEFINE([_ALL_SOURCE])
+ AC_DEFINE([_DARWIN_C_SOURCE])
AC_DEFINE([_GNU_SOURCE])
AC_DEFINE([_POSIX_PTHREAD_SEMANTICS])
AC_DEFINE([_TANDEM_SOURCE])