diff -Nru socat-1.7.3.0.orig/sslcls.c socat-1.7.3.0/sslcls.c
--- socat-1.7.3.0.orig/sslcls.c	2015-01-24 05:15:22.000000000 -0500
+++ socat-1.7.3.0/sslcls.c	2015-11-29 14:14:13.252000000 -0500
@@ -55,6 +55,7 @@
 }
 #endif
 
+#if HAVE_SSLv3_client_method
 const SSL_METHOD *sycSSLv3_client_method(void) {
    const SSL_METHOD *result;
    Debug("SSLv3_client_method()");
@@ -62,7 +63,9 @@
    Debug1("SSLv3_client_method() -> %p", result);
    return result;
 }
+#endif
 
+#if HAVE_SSLv3_server_method
 const SSL_METHOD *sycSSLv3_server_method(void) {
    const SSL_METHOD *result;
    Debug("SSLv3_server_method()");
@@ -70,7 +73,9 @@
    Debug1("SSLv3_server_method() -> %p", result);
    return result;
 }
+#endif
 
+#if HAVE_SSLv23_client_method
 const SSL_METHOD *sycSSLv23_client_method(void) {
    const SSL_METHOD *result;
    Debug("SSLv23_client_method()");
@@ -78,7 +83,9 @@
    Debug1("SSLv23_client_method() -> %p", result);
    return result;
 }
+#endif
 
+#if HAVE_SSLv23_server_method
 const SSL_METHOD *sycSSLv23_server_method(void) {
    const SSL_METHOD *result;
    Debug("SSLv23_server_method()");
@@ -86,7 +93,9 @@
    Debug1("SSLv23_server_method() -> %p", result);
    return result;
 }
+#endif
 
+#if HAVE_TLSv1_client_method
 const SSL_METHOD *sycTLSv1_client_method(void) {
    const SSL_METHOD *result;
    Debug("TLSv1_client_method()");
@@ -94,7 +103,9 @@
    Debug1("TLSv1_client_method() -> %p", result);
    return result;
 }
+#endif
 
+#if HAVE_TLSv1_server_method
 const SSL_METHOD *sycTLSv1_server_method(void) {
    const SSL_METHOD *result;
    Debug("TLSv1_server_method()");
@@ -102,6 +113,7 @@
    Debug1("TLSv1_server_method() -> %p", result);
    return result;
 }
+#endif
 
 #if HAVE_TLSv1_1_client_method
 const SSL_METHOD *sycTLSv1_1_client_method(void) {
@@ -143,6 +155,7 @@
 }
 #endif
 
+#if HAVE_DTLSv1_client_method
 const SSL_METHOD *sycDTLSv1_client_method(void) {
    const SSL_METHOD *result;
    Debug("DTLSv1_client_method()");
@@ -150,7 +163,9 @@
    Debug1("DTLSv1_client_method() -> %p", result);
    return result;
 }
+#endif
 
+#if HAVE_DTLSv1_server_method
 const SSL_METHOD *sycDTLSv1_server_method(void) {
    const SSL_METHOD *result;
    Debug("DTLSv1_server_method()");
@@ -158,6 +173,7 @@
    Debug1("DTLSv1_server_method() -> %p", result);
    return result;
 }
+#endif
 
 SSL_CTX *sycSSL_CTX_new(const SSL_METHOD *method) {
    SSL_CTX *result;