$NetBSD: patch-configure,v 1.1 2013/01/15 02:02:54 makoto Exp $
Avoid following problem on NetBSD/amd64 6.99.16 with clang
+-----------------
| conftest.c:38:3: error: non-void function 'main' should return a value [-Wreturn-type]
|   return;
|   ^
+-----------------

--- configure.orig	2013-01-15 09:54:13.000000000 +0900
+++ configure	2013-01-15 10:04:58.000000000 +0900
@@ -6492,7 +6492,7 @@ int i; static j; int *p; char *c;
   switch (*p = p = *c) { case 0: printf("%Q", c, p); }
   *c = &i; c = p;
   while (1 || (unsigned int)3 >= 0 || ((int)-1) == ((unsigned int)1));
-  return;
+  return -1;
   ;
   return 0;
 }
