diff -urN curl-7.12.1.org/configure.ac curl-7.12.1/configure.ac
--- curl-7.12.1.org/configure.ac	2004-08-13 02:20:37.003335512 +0200
+++ curl-7.12.1/configure.ac	2004-08-13 02:21:07.172749064 +0200
@@ -392,7 +392,7 @@
 main()
 {
  if (socket(AF_INET6, SOCK_STREAM, 0) < 0)
-   exit(1);
+   exit(0);
  else
    exit(0);
 }