$NetBSD: patch-ab,v 1.10 2001/07/23 13:14:44 jlam Exp $

--- acinclude.m4.orig	Sun Jun 17 12:42:16 2001
+++ acinclude.m4
@@ -456,6 +456,9 @@
 
 extern void F77_SYMBOL(cftest)(int *a, int *b, double *x, double *y);
 
+int MAIN_ () { return 0; }
+int MAIN__ () { return 0; }
+
 int main () {
   int a[3] = {17, 237, 2000000000}, b[2], res = 0;
   double x[3] = {3.14159265, 123.456789, 2.3e34}, z[3];