--- third_party/serf/serf.diff.orig	2017-06-08 22:22:39 UTC
+++ third_party/serf/serf.diff
@@ -324,7 +324,7 @@
  apr_status_t serf_ssl_load_cert_file(
      serf_ssl_certificate_t **cert,
      const char *file_path,
-@@ -1652,6 +1688,21 @@
+@@ -1652,6 +1688,25 @@
      return cert->depth;
  }
  
@@ -337,11 +337,15 @@
 +int serf_ssl_check_host(const serf_ssl_certificate_t *cert,
 +                        const char* hostname)
 +{
++#if TSI_OPENSSL_ALPN_SUPPORT == 0
++  return (-1);
++#else
 +  return X509_check_host(cert->ssl_cert,
 +                         hostname,
 +                         strlen(hostname),
 +                         0 /* we don't need to set any flags */,
 +                         NULL /* we don't need the SAN or CN extracted*/);
++#endif
 +}
  
  apr_hash_t *serf_ssl_cert_issuer(