Index: src/ec_sslwrap.c
--- src/ec_sslwrap.c.orig
+++ src/ec_sslwrap.c
@@ -72,6 +72,7 @@
 #endif
 
 #if (OPENSSL_VERSION_NUMBER >= 0x10100000L) && !defined(LIBRESSL_VERSION_NUMBER)
+/* wants at least SSL_CONF_CTX */
 #define HAVE_OPENSSL_1_1_0
 #endif
 
