diff -Naur stunnel-5.30.orig/src/ctx.c stunnel-5.30/src/ctx.c
--- stunnel-5.30.orig/src/ctx.c	2016-01-15 16:45:23.000000000 +0000
+++ stunnel-5.30/src/ctx.c	2016-05-14 15:16:47.392859450 +0000
@@ -359,7 +359,7 @@
 /**************************************** initialize OpenSSL CONF */
 
 NOEXPORT int conf_init(SERVICE_OPTIONS *section) {
-#if OPENSSL_VERSION_NUMBER>=0x10002000L
+#if OPENSSL_VERSION_NUMBER>=0x10002000L && !defined(LIBRESSL_VERSION_NUMBER)
     SSL_CONF_CTX *cctx;
     NAME_LIST *curr;
     char *cmd, *param;
diff -Naur stunnel-5.30.orig/src/verify.c stunnel-5.30/src/verify.c
--- stunnel-5.30.orig/src/verify.c	2016-01-15 16:45:23.000000000 +0000
+++ stunnel-5.30/src/verify.c	2016-05-14 15:16:10.369860180 +0000
@@ -51,7 +51,7 @@
 NOEXPORT int verify_callback(int, X509_STORE_CTX *);
 NOEXPORT int verify_checks(CLI *, int, X509_STORE_CTX *);
 NOEXPORT int cert_check(CLI *, X509_STORE_CTX *, int);
-#if OPENSSL_VERSION_NUMBER>=0x10002000L
+#if OPENSSL_VERSION_NUMBER>=0x10002000L && !defined(LIBRESSL_VERSION_NUMBER)
 NOEXPORT int cert_check_subject(CLI *, X509_STORE_CTX *);
 #endif /* OPENSSL_VERSION_NUMBER>=0x10002000L */
 NOEXPORT int cert_check_local(X509_STORE_CTX *);
@@ -280,7 +280,7 @@
     }
 
     if(depth==0) { /* additional peer certificate checks */
-#if OPENSSL_VERSION_NUMBER>=0x10002000L
+#if OPENSSL_VERSION_NUMBER>=0x10002000L && !defined(LIBRESSL_VERSION_NUMBER)
         if(!cert_check_subject(c, callback_ctx))
             return 0; /* reject */
 #endif /* OPENSSL_VERSION_NUMBER>=0x10002000L */
@@ -291,7 +291,7 @@
     return 1; /* accept */
 }
 
-#if OPENSSL_VERSION_NUMBER>=0x10002000L
+#if OPENSSL_VERSION_NUMBER>=0x10002000L && !defined(LIBRESSL_VERSION_NUMBER)
 NOEXPORT int cert_check_subject(CLI *c, X509_STORE_CTX *callback_ctx) {
     X509 *cert=X509_STORE_CTX_get_current_cert(callback_ctx);
     NAME_LIST *ptr;