Check if macro SSL_OP_NO_COMPRESSION is defined before trying to use it.

diff --git a/lib/libwebsockets.c b/lib/libwebsockets.c
index 9601113..086ec8f 100644 (file)
--- a/lib/libwebsockets.c
+++ b/lib/libwebsockets.c
@@ -2729,7 +2729,9 @@ libwebsocket_create_context(int port, const char *interf,
                return NULL;
        }
 
+#ifdef SSL_OP_NO_COMPRESSION
        SSL_CTX_set_options(context->ssl_ctx, SSL_OP_NO_COMPRESSION);
+#endif
        SSL_CTX_set_options(context->ssl_ctx, SSL_OP_CIPHER_SERVER_PREFERENCE);
        SSL_CTX_set_cipher_list(context->ssl_ctx, CIPHERS_LIST_STRING);
 
@@ -2750,7 +2752,9 @@ libwebsocket_create_context(int port, const char *interf,
                        return NULL;
                }
 
+#ifdef SSL_OP_NO_COMPRESSION
                SSL_CTX_set_options(context->ssl_client_ctx, SSL_OP_NO_COMPRESSION);
+#endif
                SSL_CTX_set_options(context->ssl_client_ctx, SSL_OP_CIPHER_SERVER_PREFERENCE);
                SSL_CTX_set_cipher_list(context->ssl_client_ctx, CIPHERS_LIST_STRING);