$NetBSD: patch-ac,v 1.1 2006/04/28 16:19:08 joerg Exp $

--- configure.orig	2006-04-28 15:48:21.000000000 +0000
+++ configure
@@ -1655,24 +1655,13 @@ else
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
-#include <assert.h>
-/* Override any gcc2 internal prototype to avoid an error.  */
-/* We use char because int might match the return type of a gcc2
-    builtin and then its argument prototype would still apply.  */
-char $ac_func();
+#include <math.h>
 
-int main() {
-
-/* The GNU C library defines this for functions which it implements
-    to always fail with ENOSYS.  Some functions are actually named
-    something starting with __ and the normal name is an alias.  */
-#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-choke me
-#else
-$ac_func();
-#endif
+double foo;
 
-; return 0; }
+int main() {
+	return $ac_func(foo);
+}
 EOF
 if { (eval echo configure:1678: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*