Use long doubles only if they are useful.

p4raw-id: //depot/cfgperl@3773

diff --git a/ext/POSIX/POSIX.xs b/ext/POSIX/POSIX.xs
index e4433e0..8f0c3b7 100644 (file)
--- a/ext/POSIX/POSIX.xs
+++ b/ext/POSIX/POSIX.xs
@@ -358,7 +358,7 @@ not_here(char *s)
 }
 
 static
-#ifdef HAS_LONG_DOUBLE
+#if defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE)
 long double
 #else
 double