While the nan() todo remains, at least warn not.

diff --git a/ext/POSIX/POSIX.xs b/ext/POSIX/POSIX.xs
index 4ed3855..1485d3d 100644 (file)
--- a/ext/POSIX/POSIX.xs
+++ b/ext/POSIX/POSIX.xs
@@ -2626,6 +2626,7 @@ nan(s = 0)
 #ifdef c99_nan
        RETVAL = c99_nan(s ? s : "");
 #elif defined(NV_NAN)
+       PERL_UNUSED_VAR(s);
        /* XXX if s != NULL, warn about unused argument,
          * or implement the nan payload setting. */
        RETVAL = NV_NAN;