$NetBSD: patch-ab,v 1.4 2009/12/17 22:08:09 abs Exp $

--- configure.orig	1994-11-08 13:32:08.000000000 +0000
+++ configure
@@ -1329,9 +1329,10 @@ cat > conftest.$ac_ext <<EOF
 #line 1330 "configure"
 #include "confdefs.h"
 
+double val;
 int main() { return 0; }
 int t() {
-atan()
+atan(val)
 ; return 0; }
 EOF
 if eval $ac_link; then
@@ -1368,9 +1369,10 @@ cat > conftest.$ac_ext <<EOF
 #line 1369 "configure"
 #include "confdefs.h"
 
+double val;
 int main() { return 0; }
 int t() {
-atan()
+atan(val)
 ; return 0; }
 EOF
 if eval $ac_link; then